seismologi.dk is a .dk domain served by 2 nameservers (fatima.ns.cloudflare.com, ryan.ns.cloudflare.com). It was registered on 19 February 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.76.8 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.76.8 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.184.203 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.76.8 |
| 🔶 Autoconfig | 172.67.184.203 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::6815:4c08 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3034::ac43:b8cb | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.76.8,172.67.184.203 ech=AEX+DQBB4wAgACDOMrvjC+ovzAA4Uu6BnXNZQVogBnl5uFfZoIoazg1nEAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:4c08,2606:4700:3034::ac43:b8cb |
| www | 104.21.76.8 172.67.184.203 2606:4700:3032::6815:4c08 2606:4700:3034::ac43:b8cb (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network seismologi.dk: 104.21.76.8 172.67.184.203 2606:4700:3032::6815:4c08 2606:4700:3034::ac43:b8cb (AS13335) www.seismologi.dk: 104.21.76.8 172.67.184.203 2606:4700:3032::6815:4c08 2606:4700:3034::ac43:b8cb (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 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2415999447 |
| Primary NS (MNAME) | fatima.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2001-02-19 |
| Expires | 2027-03-31 (164d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-28 04:34:17 shown | 2994ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-15 03:50:18 | 894ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-11 23:49:49 | 1083ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-10 12:57:05 | 3366ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-06 19:18:27 | 949ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-08-27 17:56:13 | 669ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-08-27 08:52:54 | 867ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-08-11 16:39:17 | 858ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-07-18 09:21:38 | 945ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-07-16 04:29:05 | 1051ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-07-13 11:06:56 | 9757ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-06-26 15:00:58 | 960ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-06-20 00:14:21 | 837ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-06-18 05:11:08 | 1086ms | 2 NS 2 A 0 MX | 🔒 Secure |