geocenter.dk

📜 Historical scan 2026-07-17 23:24:41 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

geocenter.dk is a .dk domain served by 2 nameservers (fatima.ns.cloudflare.com, ryan.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.5.87 is hosted by Cloudflare, Inc. (AS13335). The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 241ms

Nameserver	IP addresses	PTR	ASN / ISP
fatima.ns.cloudflare.com	108.162.194.188 162.159.38.188 172.64.34.188 2606:4700:50::a29f:26bc 2803:f800:50::6ca2:c2bc 2a06:98c1:50::ac40:22bc	fatima.ns.cloudflare.com fatima.ns.cloudflare.com fatima.ns.cloudflare.com fatima.ns.cloudflare.com fatima.ns.cloudflare.com fatima.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ryan.ns.cloudflare.com	108.162.195.229 162.159.44.229 172.64.35.229 2606:4700:58::a29f:2ce5 2803:f800:50::6ca2:c3e5 2a06:98c1:50::ac40:23e5	ryan.ns.cloudflare.com ryan.ns.cloudflare.com ryan.ns.cloudflare.com ryan.ns.cloudflare.com ryan.ns.cloudflare.com ryan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 240ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.5.87	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.133.57	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.5.87
🔶 Autoconfig	104.21.5.87

🔷 AAAA Records (IPv6)#

2 records 221ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:557	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:8539	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 162ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.5.87,172.67.133.57 ech=AEX+DQBBvwAgACASJMm8HDONiC+qrjQIdP2/lLtNhBx7LYi/Y6X2oMu+ewAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:557,2606:4700:3037::ac43:8539

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-13 19:32:25

www	104.21.5.87 172.67.133.57 2606:4700:3033::6815:557 2606:4700:3037::ac43:8539 (AS13335) (address records, no CNAME)
www vs bare domain	Same network geocenter.dk: 104.21.5.87 172.67.133.57 2606:4700:3033::6815:557 2606:4700:3037::ac43:8539 (AS13335) www.geocenter.dk: 104.21.5.87 172.67.133.57 2606:4700:3033::6815:557 2606:4700:3037::ac43:8539 (AS13335)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

537ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2409762007
Primary NS (MNAME)	fatima.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

241ms

240ms

230ms

AAAA

221ms

TXT

691ms

CAA

218ms

HTTPS

162ms

TLSA

194ms

SOA

0ms

MTA-STS

464ms

DNSSEC

537ms

SRV

363ms

Total

2952ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-26 22:08:05	653ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-23 20:44:24	666ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-19 08:14:45	1389ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-12 05:50:54	630ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-06 06:08:06	682ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-01 14:14:18	598ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-25 10:19:36	541ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-09 07:40:29	909ms	2 NS 2 A 0 MX	🔒 Secure
2026-07-24 21:13:45	1844ms	2 NS 2 A 0 MX	🔒 Secure
2026-07-17 23:24:41 shown	2952ms	2 NS 2 A 0 MX	🔒 Secure
2026-07-16 20:45:03	9648ms	2 NS 2 A 0 MX	🔒 Secure
2026-07-14 04:32:06	8645ms	2 NS 2 A 0 MX	🔒 Secure
2026-06-25 04:23:07	1303ms	2 NS 2 A 0 MX	🔒 Secure
2026-06-17 10:31:22	692ms	2 NS 2 A 0 MX	🔒 Secure
2026-06-17 10:29:17	904ms	2 NS 2 A 0 MX	🔒 Secure