c.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was registered on 31 January 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 18.192.246.145 is hosted by Amazon.com, Inc. (AS16509) in Germany. Mail is handled by fpo9.mail.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.eurodns.com | — | — | — |
| ns2.eurodns.com | — | — | — |
| ns3.eurodns.com | — | — | — |
| ns4.eurodns.com | — | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | fpo9.mail.dk | 193.201.76.57 | smtp-in-yousee.gl-mut-gbl.as8677.net | AS8677 Worldline SA |
| TXT Record |
|---|
| v=spf1 include:mail.dk ~all |
| Policy | Record (c.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:mail.dk ~all |
| Policy | Record (_dmarc.c.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; fo=1; rua=mailto:cv1zdpyr@ag.eu.dmarcian.com; ruf=mailto:cv1zdpyr@fr.eu.dmarcian.com; |
| www | Exists, no address |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 2/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026011627 |
| Primary NS (MNAME) | ns1.eurodns.com |
| Responsible (RNAME) | hostmaster@eurodns.com |
| Refresh | 43200s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Eurodns S.A |
| Registered | 1997-01-31 |
| Expires | 2027-03-31 (164d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 05:35:30 | 977ms | 4 NS 3 A 1 MX | 🔒 Secure |
| 2026-10-12 02:32:46 | 1028ms | 4 NS 3 A 1 MX | 🔒 Secure |
| 2026-09-25 20:09:15 | 723ms | 4 NS 3 A 1 MX | 🔒 Secure |
| 2026-09-24 19:58:20 | 757ms | 4 NS 3 A 1 MX | 🔒 Secure |
| 2026-09-23 19:34:43 | 817ms | 4 NS 3 A 1 MX | 🔒 Secure |
| 2026-09-06 16:48:59 | 1059ms | 4 NS 3 A 1 MX | 🔒 Secure |
| 2026-08-25 23:45:27 | 2418ms | 4 NS 3 A 1 MX | 🔒 Secure |
| 2026-08-19 06:48:21 | 5405ms | 4 NS 3 A 1 MX | 🔒 Secure |
| 2026-08-17 13:40:41 | 3030ms | 4 NS 3 A 1 MX | 🔒 Secure |
| 2026-07-30 20:50:26 | 1313ms | 4 NS 3 A 1 MX | 🔒 Secure |
| 2026-07-29 09:34:41 | 1129ms | 4 NS 3 A 1 MX | 🔒 Secure |
| 2026-07-12 07:11:42 | 927ms | 4 NS 3 A 1 MX | 🔒 Secure |
| 2026-07-11 00:15:31 | 8832ms | 4 NS 3 A 1 MX | 🔒 Secure |
| 2026-06-24 15:28:18 | 2849ms | 4 NS 3 A 1 MX | 🔒 Secure |
| 2026-06-21 21:53:12 | 532ms | 4 NS 3 A 1 MX | 🔒 Secure |
| 2026-06-16 18:50:22 shown | 586ms | 4 NS 3 A 1 MX | 🔒 Secure |
| 2026-06-16 18:40:44 | 2837ms | 4 NS 3 A 1 MX | 🔒 Secure |