companydating.dk is a .dk domain served by 2 nameservers (ns3.supportcenter.dk, ns4.supportcenter.dk). It was registered on 13 February 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.54.32.11 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by ., slet. 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 |
|---|---|---|---|
| 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 |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (companydating.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.companydating.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject;rua=mailto:dmarc@via.dk; ruf=mailto:dmarc@via.dk |
| www | 87.54.32.11 (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 |
| Selector | CNAME | Key |
|---|---|---|
| default | — | Revoked (empty key) |
| dkim | — | Revoked (empty key) |
| k1 | — | Revoked (empty key) |
| — | Revoked (empty key) | |
| s1 | — | Revoked (empty key) |
| s2 | — | Revoked (empty key) |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
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 | delv transient; dig AD confirmed |
| Field | Value |
|---|---|
| Serial | 712 |
| 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 | 2008-02-13 |
| Expires | 2027-02-28 (123d) |
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).
Showing 100 of 148.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-27 19:06:09 | 514ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-26 05:15:50 | 1283ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-21 11:45:28 | 403ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-20 04:35:33 | 1308ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-17 01:59:59 | 1109ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-16 01:03:47 shown | 3232ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-13 21:21:50 | 406ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-12 18:02:25 | 1322ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-08 01:23:26 | 659ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-04 20:32:41 | 441ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-02 20:23:48 | 2634ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-02 03:41:28 | 521ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-01 03:37:22 | 853ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 08:15:26 | 473ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-27 00:31:50 | 2813ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-26 13:34:17 | 633ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-25 13:18:53 | 652ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-24 13:14:52 | 695ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-23 13:01:20 | 3193ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-16 11:39:17 | 3261ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-14 14:54:08 | 3744ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-07 13:44:10 | 925ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-31 10:05:40 | 2057ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-30 02:49:17 | 1545ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-26 11:59:47 | 675ms | 2 NS 1 A 2 MX | 🔒 Secure |