Website reputation report

blackbook.co.in

Last checked 3 weeks ago · Point-in-time assessment

73/100Technical Safety ScoreIndependent technical assessment, not a visitor rating
Would you recommend this page? No community votes yet 0/0 Your vote is for this page in this report only—not the entire website. No account required · One vote per browser.
Captured homepage of blackbook.co.in in the current scan
Website screenshot from the current report

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● Evidence is limited

What is this website?

Master English vocabulary for SSC, Bank & Defence with Blackbook: 21,000+ PYQ-tested words, Hindi meanings, practice MCQs and a free 30-day boot camp.

No listed local patterns observedHomepage-only analysis is not a malware clearance. Read the scope and findings below.

73/100Safety Score
75%Evidence Confidence
Trust Radar evidence profile Eight evidence dimensions from zero to one hundred. Exact values surround the chart. Threat Intelligence55 Domain History43 Infrastructure91 Website Security95 Security Hygiene80 Transparency53 Reputation50 Operational Stability96
Trust RadarEight observed factors. Select one to inspect its evidence.

How to read this report

Safety Score evaluates observed signals. Evidence Confidence measures how complete, direct, fresh, and consistent those signals are.

No automated scan can guarantee that a website is safe.

Current report context

What changed since the last scan

  • No earlier report to compare
What this scan could verify · 6 observed, 0 unavailable
DNS observed
Registration lookup observed
Network observed
TLS observed
Website response observed
Website content observed

Unavailable and unperformed checks are not clean results. The detailed evidence below remains the source for each conclusion.

Report an inaccuracy in this report →

Independent evidence brief

What we observed about blackbook.co.in

Updated Oct 11, 2026

The latest scan examined 10 public pages on blackbook.co.in. Website descriptions below come from the site itself. Registration, connection and threat findings were checked separately.

Purpose and visible content

On its homepage, the site says: Master English vocabulary for SSC, Bank & Defence with Blackbook: 21,000+ PYQ-tested words, Hindi meanings, practice MCQs and a free 30-day boot camp.

Registrar and domain history

Registered on Jun 22, 2026. Registrar: GoDaddy.

Recorded expiry date: Jun 22, 2029. Registry data can change.

Connection and hosting evidence

The checked homepage returned HTTP 200.

A valid TLS certificate was observed, expiring Nov 20, 2026.

Threat checks and score context

External malware-provider coverage was unavailable. The report does not treat this missing check as a clean result.

Safety Score: 73/100. Evidence Confidence: 75%. These measure different things.

Community reviews of blackbook.co.in

No approved reviews yet ☆☆☆☆☆

Visitor experiences are separate from the independent technical Safety Score.

Visitor opinions remain separate from the technical Safety Score.

Public content profile

Pages reviewed on blackbook.co.in

10 of up to 10 pages

We sampled public pages from this website to understand its subject and contact paths. The titles and short descriptions below come from the website itself. They are not endorsements or independent safety findings.

Blackbook App, Official English Vocabulary for SSC, DSSSB, Bank and DefenceMaster English vocabulary for SSC, Bank & Defence with Blackbook: 21,000+ PYQ-tested words, Hindi meanings, practice MCQs and a free 30-day boot camp. Contact Blackbook – Support & Help (QMaths) — BlackbookContact Blackbook (QMaths) for help with login, payments, coupons, account deletion or privacy. Email [email protected] or use the form. Help & Support - BlackbookBlackbook help & support: login, payment, coupon, offline and account-deletion help for the Blackbook of English Vocabulary app. Blackbook Pro – Pricing & Plans — BlackbookBlackbook Pro pricing & plans — ₹299/year or ₹79/month. Unlimited access + ad-free for the English Vocabulary app for SSC, Bank & all competitive exams. Scan your Blackbook to earn Editorial Room - Blackbook | Daily SSC English editorialOne daily editorial, turned into a full SSC English session: real PYQ intelligence on every word, a 25-question mock, bilingual audio and printable notes. 30-Day Vocabulary Boot Camp – Free SSC CGL & CHSL Plan | BlackbookA free, guided 30-day revision of the whole Blackbook: a daily reading target, a 9 PM live test, All-India leaderboard and detailed analytics. 8,694 words. Sign up — BlackbookBlackbook – the English Vocabulary app for SSC, Bank & all competitive exams. 21,000+ PYQ-tested words with Hindi meanings, 45,000+ practice MCQs and a free 30-day boot camp. Blackbook Printed Books - English Vocabulary & Railway GK (Amazon & Flipkart) — BlackbookBuy official Blackbook printed books - Blackbook of English Vocabulary (2026, English-Hindi & English Medium) and Blackbook of Railway GK & General Science. Recommended by SSC CGL Blackbook App: Official Blackbook of English Vocabulary by Nikhil Gupta SirDownload the official Blackbook of English Vocabulary app by Nikhil Gupta Sir: 21,000+ PYQ-tested words, Hindi meanings, MCQs and a free 30-day boot camp. Refund & Cancellation Policy - BlackbookBlackbook refund & cancellation policy: digital-service terms, one-time Pro payment and how cancellations and refunds are handled.

Public page evidence

Topics and keywords observed on blackbook.co.in

12 phrases

These phrases were extracted locally from sampled public page metadata. They are observations, not search-volume or ranking estimates.

englishTitle, H1, Meta description7 sampled pages
english vocabularyTitle, H1, Meta description6 sampled pages
of englishTitle, H1, Meta description4 sampled pages
boot campTitle, H1, Meta description4 sampled pages
vocabulary appH1, Meta description4 sampled pages
freeTitle, Meta description5 sampled pages
bankTitle, H1, Meta description4 sampled pages
helpTitle, H1, Meta description2 sampled pages
free day bootMeta description3 sampled pages
pyq tested wordsMeta description3 sampled pages
hindiMeta description4 sampled pages
hindi meaningsMeta description3 sampled pages

At a glance

Key findings

✓

Report is current

The displayed evidence comes from the published immutable scan.

i

Confidence is separate

Unavailable evidence is shown as missing and never counted as clean.

!

Verify before sensitive actions

Check the exact URL and context before payments, credentials, or downloads.

Fully explainable

Why this score?

Versioned weights
Threat IntelligenceWeight 25%
55/100

Threat providers were unavailable. The neutral uncertainty baseline is not a clean verdict.

Domain HistoryWeight 10%
43/100

Domain registration age and expiry were checked.

InfrastructureWeight 10%
91/100

Observed DNS records and network address were checked.

Website SecurityWeight 15%
95/100

Observed certificate validity and TLS protocol were checked.

Security HygieneWeight 15%
80/100

Observed security header values were checked for basic protective settings. Empty values, disabled HSTS and unrecognized values receive no credit. This is not a complete browser-policy validation.

TransparencyWeight 5%
53/100

Observed site metadata and About page were checked. Publisher-supplied details are not independently verified.

ReputationWeight 5%
50/100

Popularity is weak context, not proof of safety. Unranked sites use a neutral baseline.

Operational StabilityWeight 15%
96/100

Observed HTTP status and final connection scheme were checked.

Server-side analysis

Automated security checks

Local antivirus and phishing checks

ClamAV · homepage HTMLNo signature match in the sampled HTML
Engine version1.5.4
Signature database date (UTC)2026-10-11T06:26:01+00:00
HTML bytes submitted55,080
Phishing.Database · exact hostnameNot listed in this snapshot
Feed downloaded (UTC)2026-10-11T06:00:17+00:00
Hosts in local snapshot386,082

Sampled scripts and pages

Resource analysis incomplete

3 resources checked · 1 script links observed on the homepage. Partial resource coverage.

ClamAV inspects the fetched homepage HTML on our server. New scans also sample up to four linked scripts and two collected internal pages, with size and time limits. Scripts are not executed. Other downloads, private server files and logged-in pages remain outside this check. A signature match needs investigation and can be a false positive. No match is not a whole-site safety guarantee.

Exact hostname lookup uses a downloaded Phishing.Database snapshot. It does not send this domain to an external lookup API or mark sibling subdomains as harmful. Not listed does not mean safe. Snapshot age is download age, not proof that every entry was recently revalidated.

Homepage HTML only · Eight local rule families · local-security-v2

Checks use the fetched page and redirect chain. Scripts are not executed, forms are not submitted, and linked files are not downloaded. This is not a malware clearance.

Page resource inventory

Linked scripts1
Inline scripts5
Embedded frames0
External script hosts1

Counts describe the sampled HTML, not every resource loaded by the browser. External resources are common and are not automatically harmful.

No listed local patterns observed. The limited rule set cannot detect every threat or behavior.

External threat intelligence

Provider coverageNot checked

Local checks do not query external reputation databases. An unavailable check is never a clean result.

Registration

Domain information

Public RDAP observation
Canonical domainblackbook.co.in
RegistrarGoDaddy
RegisteredJun 22, 2026
Domain age4 months
ExpiresJun 22, 2029
Registry statusesclient delete prohibited · client renew prohibited · client transfer prohibited · client update prohibited
Report statePublished

Infrastructure

Network & hosting

Observed endpoint, not legal location
IP address104.21.83.242
Autonomous systemUnavailable
Network organizationUnavailable
Observed countryUnavailable
CDNCloudflare
Web application firewallNot detected

At a glance

Infrastructure summary

Observed during this scan

A compact view of the connection, DNS and security surface. These observations describe what the scanner could verify at scan time and do not prove ownership or ongoing availability.

HTTP response200 · https://blackbook.co.in/
Endpoint104.21.83.242
NetworkUnavailable
CDN and WAFCloudflare · Not detected
DNS surface9 records · 2 nameservers · 1 mail exchangers
Protection signals5 security headers · 3 technologies · DNSSEC unknown

Page telemetry

Observed page statistics

Safe metadata only

These counters describe the fetched response and sampled HTML. Script counts describe references in the markup, not a complete browser network log. Cookie counts cover observed response headers.

Response size55,080 bytes
HTTP check duration0 ms
Cookies observedUnavailable
Script resources1 · 1 external hosts
Frames and sampled checks0 frames · 3 resources checked

Encrypted transport

TLS certificate

Valid when observed
StatusValid when observed
ProtocolTLSv1.3
IssuercountryName=US, organizationName=Google Trust Services, commonName=WE1
Valid fromAug 22, 2026
Valid untilNov 20, 2026
Certificate names*.blackbook.co.in · blackbook.co.in

Resolution

DNS footprint

DNSKEY status unknown

DNSKEY presence does not verify the DNSSEC signature chain. Missing records can mean no record was returned or the lookup was unavailable.

A104.21.83.242TTL —
A172.67.183.120TTL —
AAAA2606:4700:3034::ac43:b778TTL —
AAAA2606:4700:3035::6815:53f2TTL —
NSelmo.ns.cloudflare.comTTL —
NSjill.ns.cloudflare.comTTL —
MX1 smtp.google.comTTL —
TXTgoogle-site-verification=EAAuF9OdoWkWZ_SKeA7ddgPvBnOGHEQ4oPKZfCBvcagTTL —
TXTgoogle-site-verification=GUgALgCFn_QH8aXPk2SpsaRfbpXV1G-qWDWItraxAXMTTL —

DNS observations · no external lookup API

Domain email protection

Exact-host SPF and DMARC observations help the owner investigate email impersonation risks. They are separate from website malware checks and do not change the Safety Score.

SPFNo matching record returned for this exact hostname
DMARCNo matching record returned for this exact hostname

What to do next

Review the records with your mail administrator. Inventory legitimate senders and test SPF and DKIM alignment before enforcing a stricter DMARC policy. Fix duplicate records and investigate overly permissive SPF rules.

This bounded check does not send email, probe SMTP, evaluate recursive SPF includes, verify DKIM signatures or apply organizational-domain DMARC inheritance. A missing subdomain record does not prove that no inherited protection exists. A DNS timeout is unknown, not an absent record. A policy record is not proof that messages authenticate successfully.

Responsible disclosure

security.txt

RFC 9116 observation
StatusPublished and readable
Security contacts1
Policy linkNot observed
ExpiryValid when observed

This is a public vulnerability-reporting contact file. Its presence does not prove that the website is safe and does not change the independent Safety Score.

Browser protections

Security headers

5 observed
permissions-policypresent geolocation=(self), microphone=(self), camera=(self), payment=*
referrer-policypresent strict-origin-when-cross-origin
strict-transport-securitypresent max-age=31536000; includeSubDomains
x-content-type-optionspresent nosniff
x-frame-optionspresent DENY

Response headers

Cookie protections

Passive observation

No Set-Cookie header was observed on the sampled homepage response. Other pages may set cookies separately.

Detected stack

Technologies

Cloudflare 98% Google Analytics 94% Tailwind CSS 72%

Versions are shown only when publicly exposed by the page or response headers. An observed version is not, by itself, proof of a vulnerability.

JavaScript library advisories

1 sampled JavaScript files checked locally with Retire.js. Database snapshot: 2026-10-11T02:40:11.666Z.

No supported library version was identified in the sampled files. This does not establish that the scripts are safe.

A version match is not proof that the website is infected or that an issue is exploitable here. Owners should review the advisory, check whether their code is affected and test an update. Up to four external script files are sampled, not every dependency, inline script or dynamically loaded resource.

Structured facts

Website identity & response

Public page metadata
Page titleBlackbook App, Official English Vocabulary for SSC, DSSSB, Bank and Defence
First headingMaster EnglishVocabulary
DescriptionMaster English vocabulary for SSC, Bank & Defence with Blackbook: 21,000+ PYQ-tested words, Hindi meanings, practice MCQs and a free 30-day boot camp.
Canonical URLhttps://blackbook.co.in/
Final URLhttps://blackbook.co.in/
HTTP response200 · text/html · duration unavailable
Languageen
Structured typesMobileApplication · Organization · WebSite
Page page detectedhttps://blackbook.co.in/pricingContact page detectedhttps://blackbook.co.in/contactSupport page detectedhttps://blackbook.co.in/support
1100% evidence confidence
present100% evidence confidence
Security txt.has policy100% evidence confidence
1100% evidence confidence
1100% evidence confidence
1100% evidence confidence
1100% evidence confidence
1100% evidence confidence
en100% evidence confidence
Local headers.cors credentials with wildcard100% evidence confidence
Local headers.cors present100% evidence confidence
9100% evidence confidence
2100% evidence confidence
1100% evidence confidence
unavailable100% evidence confidence
Dns consistency.cname present100% evidence confidence
Local headers.permissions microphone restricted100% evidence confidence
Local headers.permissions usb restricted100% evidence confidence
1100% evidence confidence
Local headers.permissions payment restricted100% evidence confidence
4100% evidence confidence
Local headers.permissions geolocation restricted100% evidence confidence
Local headers.permissions camera restricted100% evidence confidence
1100% evidence confidence
Local headers.hsts preload100% evidence confidence
31536000100% evidence confidence
1100% evidence confidence
Local headers.csp present100% evidence confidence
Local headers.cors wildcard origin100% evidence confidence

Connection path

Redirect chain

0 recorded hops

No redirect hop was recorded for the sampled homepage.

Premium monitoring

Catch downtime and security changes automatically

Regular checks, availability history, and alert emails are reserved for Premium websites. Free reports remain point-in-time scans and do not create recurring server work.

Enable monitoring for this website

Compared with the previous scan

What changed

A comparison will appear after the next completed scan.

Explainable matching

Digital fingerprint

fingerprint-v1
calm-vector-trace-683

Comparable components help find technically related websites. A match does not prove common ownership.

DnsHashed private comparison value
TechnologiesHashed private comparison value

Material changes only

Change history

Show change history

No meaningful changes recorded yet.

Website icon for blackbook.co.in

Visual evidence

Website screenshot

Screenshot of blackbook.co.in
Captured once in an isolated browser during this scan. Visual tint is an interface overlay. The original evidence is not duplicated.

For site owners

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Use the current report link so visitors can verify the evidence. A badge is a transparency signal, not a paid ranking boost.

Questions about blackbook.co.in

FAQ

Still have questions? Contact us →
Is blackbook.co.in safe to visit?

The latest Safety Score is 73/100 with 75% Evidence Confidence. This is a point-in-time assessment of observed technical signals, not a guarantee. Check the exact address and avoid entering payment details if anything looks unusual.

Did the scan detect malware on blackbook.co.in?

ClamAV found no signature match in the sampled homepage HTML. External scripts, downloads and private server files were not checked. This is not a whole-site malware clearance.

When was blackbook.co.in registered?

The public registry record shows Jun 22, 2026. Registration details may be privacy-protected or updated later.

Did blackbook.co.in have a valid TLS certificate?

The scanner observed a valid TLS certificate using TLSv1.3. A valid certificate alone does not establish that the site is safe.

Can a paid listing change this website's score?

No. Premium placement and owner-supplied pages are labelled separately. Technical evidence, the Safety Score and moderation decisions remain independent.

Share your experience with blackbook.co.in

Community reviews are moderated and remain separate from the technical Safety Score.

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