mathias-it.dk is a .dk domain served by 2 nameservers (dell.ns.cloudflare.com, ned.ns.cloudflare.com). It was registered on 25 December 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.62.98.10 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mail.mathias-it.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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 87.62.98.10 | 300s | 0x573e620a.static.cust.fastspeed.dk | AS3292 | TDC Holding A/S | 87.62.0.0/15 | 🇩🇰 Denmark | Fredericia |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mail.mathias-it.dk | 87.62.98.10 | 0x573e620a.static.cust.fastspeed.dk | AS3292 TDC Holding A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | mathias-it.dk → 87.62.98.10 |
| 🔶 Autoconfig | mathias-it.dk → 87.62.98.10 |
| TXT Record |
|---|
| v=spf1 a mx ip4:87.62.98.10 ~all |
| Policy | Record (mathias-it.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx ip4:87.62.98.10 ~all |
| Policy | Record (_dmarc.mathias-it.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:mvi@mathias-it.dk; ruf=mailto:mvi@mathias-it.dk; pct=50 |
| www CNAME | mathias-it.dk (all on mathias-it.dk) → 87.62.98.10 (AS3292) |
| www vs bare domain | Same network |
| 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 |
DNS lookups: 2/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.mathias-it.dk | c6e6472d-42c7-4c71-b033-9e8be4367fea.auth.acme-dns.io |
| TXT | c6e6472d-42c7-4c71-b033-9e8be4367fea.auth.acme-dns.io | GlO02E-WLIDKWC-X3L6xFqon_13piD6pBXK5PDMbbhQ |
| TXT | c6e6472d-42c7-4c71-b033-9e8be4367fea.auth.acme-dns.io | Nhq6qvYNbcHCTRHq-vV5qsLK2cckNSRLkEu-WXfNrsg |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2409346585 |
| Primary NS (MNAME) | dell.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 | 2020-12-25 |
| Expires | 2026-12-31 (67d) |
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).
| Domain | Registrar |
|---|---|
| bylineolsen.dk | Punktum dk A/S (direct) |
| gedvedgoats.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-17 17:06:32 | 920ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 05:02:53 | 1760ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 03:23:43 | 588ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 11:51:34 | 815ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-18 22:19:16 | 1152ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-11 20:19:59 | 1844ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-30 01:27:52 | 1230ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 08:27:31 | 1018ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-11 19:31:48 | 1279ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-10 02:49:54 | 2513ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-19 10:46:16 | 1312ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-16 16:17:43 | 9886ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-14 06:24:13 shown | 947ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 11:04:04 | 954ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 11:40:10 | 1183ms | 2 NS 1 A 1 MX | 🔒 Secure |