marsvin.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 4 February 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 81.161.153.130 is hosted by DKTV A/S (AS15516) in Denmark. Mail is handled by marsvin.dk, mxbackup1.junkemailfilter.com and 1 more. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 81.161.153.130 | 600s | ip1.c234.frb50.cust.comxnet.dk | AS15516 | DKTV A/S | 81.161.128.0/18 | 🇩🇰 Denmark | Søborg |
| TXT Record |
|---|
| v=spf1 a mx:marsvin.dk mx:dkchat.dk ip4:81.161.153.130 -all |
| Policy | Record (marsvin.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx:marsvin.dk mx:dkchat.dk ip4:81.161.153.130 -all |
| Policy | Record (_dmarc.marsvin.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc@marsvin.dk; |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | letsencrypt.org |
| www | 81.161.153.130 (AS15516) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 3/10 · 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 | 2026092001 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1999-02-04 |
| Expires | 2027-03-31 (165d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-05 16:18:50 | 978ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-29 15:46:52 | 1171ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-25 14:54:02 | 894ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-22 09:27:04 shown | 2850ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-15 19:18:54 | 1035ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-27 07:31:33 | 1079ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-23 22:40:26 | 1817ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-23 04:17:03 | 1502ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-19 23:17:48 | 1036ms | 2 NS 1 A 3 MX | ⚠️ Bogus |
| 2026-06-18 05:22:46 | 708ms | 2 NS 1 A 3 MX | 🔒 Secure |