mars-gym.dk is a .dk domain served by 2 nameservers (ns3.supportcenter.dk, ns4.supportcenter.dk). It was registered on 9 February 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.88.99.149 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by .. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns3.supportcenter.dk | 87.54.32.150 | — | AS3292 TDC Holding A/S |
| ns4.supportcenter.dk | 2.106.7.200 | ns4.supportcenter.dk | AS3292 TDC Holding A/S |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 193.88.99.149 | 3600s | — | AS3292 | TDC Holding A/S | 193.88.0.0/15 | 🇩🇰 Denmark | Esbjerg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 3600s | . Null MX — domain accepts no email (RFC 7505) | |||
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (mars-gym.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.mars-gym.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject;rua=mailto:dmarc@via.dk; ruf=mailto:dmarc@via.dk |
| www | 193.88.99.149 (AS3292) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 50 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 0/10 · 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 | 697 |
| Primary NS (MNAME) | ns3.supportcenter.dk |
| Responsible (RNAME) | hostmaster@supportcenter.dk |
| Refresh | 900s |
| Retry | 600s |
| Expire | 86400s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2009-02-09 |
| Expires | 2027-02-28 (133d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 12:58:42 shown | 1251ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-12 09:56:39 | 510ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-07 03:51:09 | 3445ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-05 02:45:45 | 1622ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 02:10:56 | 1692ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 01:18:10 | 1620ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 01:06:14 | 536ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 00:40:26 | 1632ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-15 22:55:41 | 829ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-08 20:01:34 | 559ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-07 13:52:41 | 3926ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-04 08:49:27 | 417ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 17:51:45 | 1629ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-23 07:13:38 | 529ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-22 06:41:54 | 7891ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-17 03:33:47 | 778ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-14 16:05:50 | 4471ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-10 14:25:38 | 819ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-09 02:40:54 | 3077ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-29 04:14:32 | 462ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-24 02:26:29 | 2403ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-20 13:19:12 | 926ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-18 07:10:00 | 8763ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-12 11:37:46 | 16525ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-06 11:58:31 | 2482ms | 2 NS 1 A 1 MX | 🔒 Secure |