Domain Intelligence Report
blog.com
Gathering intelligence... (12/12)
DNS
WHOIS
Security
Email
DNSSEC
Threats
Deliverability
SSL/TLS
HTTP
Tech Stack
Subdomains
Archive
Safe
DNSSEC unsignedno attacks or spoofing
Up
HTTP 200reachable and responding
Right
Set up Page Watchit is what it is
Ready
36d aheadyou see what's coming
Outline
WHOIS
Realtime Register B.V. · registered 28 years ago · expires Apr 13, 2033
DNS
1 A · 2 MX · 4 NS · 1 PTR · 1 SOA · 2 TXT
SSL/TLS
Let's Encrypt · TLSv1.3 · expires in 36d · 2 SANs
Email Auth
SPF ✓ · DKIM ✗ · DMARC ✓ (p=reject)
DNSSEC
not signed
Tech Stack
Host: NOS COMUNICACOES, S.A. · Email: Self-hosted · nginx
HTTP
1 redirect → 200 · HSTS ✗ · CSP ✗ · X-Frame ✗ · Nosniff ✗
Security
C (135/215) · 1 critical · 2 high
Threats
risk: none
Deliverability
A+ (90/90) · 2 MX · 2 IPs · 1 issue(s)
Subdomains
wildcard DNS — every guessed name resolves
Web Archive
DNS Recordschecked 3.9h ago
Details1 A · 2 MX · 4 NS · 1 PTR · 1 SOA · 2 TXT
WHOISchecked 3.9h ago
DetailsThen vs Nownew
DetailsNot enough evidence to say whether this is still the same organisation.
Now: Software or technology
AI-judged Sep 30, 2026: likely, not verified
SSL/TLSchecked 3.9h ago
DetailsValid certificate
Issuer: Let's Encrypt
Protocol: TLSv1.3
Expires in 36 days
2 SAN(s)
Securitychecked 3.9h ago
DetailsC
135/215
1 critical2 high1 medium
Weakest: Basic Security, Record Security
Email Authchecked 3.9h ago
DetailsSPFDKIM?DMARC
Policy: reject
DNSSECchecked 3.9h ago
DetailsNot DNSSEC-signed
Tech Stackchecked 3.9h ago
DetailsNOS COMUNICACOES, S.A.nginxEmail: Self-hosted
HTTP / Headerschecked 3.9h ago
Details1 redirect(s) → 200
HSTSCSPX-FrameNosniff
Threatschecked 3.9h ago
DetailsRisk: none · score 0
Zone census
Subdomainschecked 3.9h ago
Detailswildcard DNS — every name resolves, so a guessed-name inventory isn't meaningful
Click a subdomain for its full report
Web Archivechecked 3.9h ago
DetailsFirst archived: unknown
Deliverabilitychecked 3.9h ago
DetailsA+
90/90 · 1 issue(s)
2 MX · 2 IP(s)
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Registered in 1998 — the same year as sharepoint.com, mozilla.org and medium.com.