Domain Intelligence Report
extra.cz
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
31d aheadyou see what's coming
Outline
WHOIS
WEDOS Internet, a.s. · registered 28 years ago · expires Oct 23, 2030
DNS
1 A · 1 MX · 2 NS · 1 PTR · 1 SOA · 4 TXT
SSL/TLS
Let's Encrypt · TLSv1.3 · expires in 31d · 2 SANs
Email Auth
SPF ✓ · DKIM ✓ · DMARC ✗
DNSSEC
not signed
Tech Stack
CDN: Cloudflare · Host: Fortion Networks, s.r.o. · Email: Microsoft 365 · Cloudflare
HTTP
2 redirect → 200 · HSTS ✓ · CSP ✓ · X-Frame ✗ · Nosniff ✗
Security
C (145/215) · 1 critical · 2 high
Threats
risk: none
Deliverability
A (86/100) · 1 MX · 8 IPs · 2 issue(s)
Subdomains
wildcard DNS — every guessed name resolves
Web Archive
DNS Recordschecked 2.2d ago
Details1 A · 1 MX · 2 NS · 1 PTR · 1 SOA · 4 TXT
WHOISchecked 2.2d ago
DetailsThen vs Nownew
DetailsSame organisation as in 2014.
“Reklama Reklama eXtra Agáta Myšlenka dne matky Agáty Výborně ty svátky letos vyšly Tři tejdny dlouhej víkend Takhle by to mohlo jet klidně dál Nejčt...}}” — AboutUs, 2014
Now: News or media · actively maintained
AI-judged Sep 30, 2026: likely, not verified
SSL/TLSchecked 2.2d ago
DetailsValid certificate
Issuer: Let's Encrypt
Protocol: TLSv1.3
Expires in 31 days
2 SAN(s)
Securitychecked 2.2d ago
DetailsC
145/215
1 critical2 high1 medium
Weakest: Basic Security, Record Security
Email Authchecked 2.2d ago
DetailsSPFDKIMDMARC
DNSSECchecked 2.2d ago
DetailsNot DNSSEC-signed
Tech Stackchecked 2.2d ago
DetailsCloudflareFortion Networks, s.r.o.CloudflareEmail: Microsoft 365Google Search Console
HTTP / Headerschecked 2.2d ago
Details2 redirect(s) → 200
HSTSCSPX-FrameNosniff
Threatschecked 2.2d ago
DetailsRisk: none · score 0
Zone census
Subdomainschecked 2.2d ago
Detailswildcard DNS — every name resolves, so a guessed-name inventory isn't meaningful
Click a subdomain for its full report
Web Archivechecked 2.2d ago
DetailsFirst archived: unknown
Deliverabilitychecked 2.2d ago
DetailsA
86/100 · 2 issue(s)
1 MX · 8 IP(s)
Top fix: No DMARC record
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Registered in 1998 — the same year as sharepoint.com, mozilla.org and medium.com.