Domain Intelligence Report
testbook.com
Gathering intelligence... (12/12)
DNS
WHOIS
Security
Email
DNSSEC
Threats
Deliverability
SSL/TLS
HTTP
Tech Stack
Subdomains
Archive
Safe
2 concernsno attacks or spoofing
Up
HTTP 200reachable and responding
Right
Set up Page Watchit is what it is
Ready
111d aheadyou see what's coming
Outline
WHOIS
Name.com, Inc. · registered 22 years ago · expires Jan 8, 2029
DNS
2 A · 5 MX · 2 NS · 11 CAA · 1 SOA · 16 TXT · 2 AAAA
SSL/TLS
Sectigo Limited · TLSv1.3 · expires in 111d · 2 SANs
Email Auth
SPF ✓ · DKIM ✓ · DMARC ✗ (p=quarantine)
DNSSEC
not signed
Tech Stack
CDN: Cloudflare · Email: Google Workspace · Cloudflare · Express.js
HTTP
1 redirect → 200 · HSTS ✗ · CSP ✗ · X-Frame ✓ · Nosniff ✗
Security
B (170/215) · 1 critical · 1 high
Threats
risk: medium
Deliverability
A (94/100) · 5 MX · 10 IPs · 2 issue(s)
Subdomains
17 found · 94 answered (18 timed out) — admin, alpha, api, apps, beta, build +11 more
Web Archive
first snapshot 2004-03-23 · 22y archived
DNS Recordschecked 19.8d ago
Details2 A · 5 MX · 2 NS · 11 CAA · 1 SOA · 16 TXT · 2 AAAA
WHOISchecked 19.8d ago
DetailsThen vs Nownew
Live check, not a pre-computed card: then from the Internet Archive, now from today’s site.
Same organisation, in a different line of business since 2012. (vs the Internet Archive’s copy from Jun 2012)
Now: Education or reference (live check, Oct 14, 2026; AI-judged, likely, not verified)
Check what it is now →SSL/TLSchecked 19.8d ago
DetailsValid certificate
Issuer: Sectigo Limited
Protocol: TLSv1.3
Expires in 111 days
2 SAN(s)
Securitychecked 19.8d ago
DetailsB
170/215
1 critical1 high
Weakest: Basic Security, Record Security
Email Authchecked 19.8d ago
DetailsSPFDKIMDMARC
Policy: quarantine
DNSSECchecked 19.8d ago
DetailsNot DNSSEC-signed
Tech Stackchecked 19.8d ago
DetailsCloudflareCloudflareExpress.jsEmail: Google WorkspaceGoogle Search ConsoleFacebook Domain Verification
HTTP / Headerschecked 19.8d ago
Details1 redirect(s) → 200
HSTSCSPX-FrameNosniff
Threatschecked 19.8d ago
DetailsRisk: medium · score 0.6999999999999998
Zone census
Subdomainschecked 19.8d ago
DetailsWeb Archivechecked 19.8d ago
DetailsFirst archived: 2004-03-23
~22 years of history
Deliverabilitychecked 19.8d ago
DetailsA
94/100 · 2 issue(s)
5 MX · 10 IP(s)
Top fix: MX IP 2800:3f0:4003:c14::1b has no PTR (reverse DNS)
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Explore related
Registered in 2004 — the same year as instagram.com, vimeo.com and roblox.com.