skim.dk is a .dk domain served by 2 nameservers (ns1-auth.csc.dk, ns2-auth.csc.dk). It was registered on 15 June 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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.
| TXT Record |
|---|
| Sundheds-, Kirke- og Indenrigsminsteriet |
| v=spf1 -all |
| Policy | Record (skim.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.skim.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; rua=mailto:tcod1eh2@ag.eu.dmarcadvisor.com; |
| www CNAME | www.skim.dk.edgekey.net (all on edgekey.net) |
| www vs bare domain | Different networks skim.dk: 172.232.147.252 172.233.57.17 2600:3c09::f03c:94ff:fed1:f1bb 2600:3c0e::f03c:94ff:fed1:4ea (AS63949) (all like this)www.skim.dk: 95.100.155.193 95.100.155.218 2a02:26f0:3b::5f64:9bc1 2a02:26f0:3b::5f64:9bda (AS20940) |
| Wildcard | No |
| Denial of existence | NSEC3 · 10 iterations · 4-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 | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026061515 |
| Primary NS (MNAME) | ns-master.csc.dk |
| Responsible (RNAME) | hostmaster@csc.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2026-06-15 |
| Expires | 2027-06-14 (236d) |
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 |
|---|---|---|---|
| 2026-10-20 11:13:34 | 1117ms | 2 NS 2 A 8 MX | 🔒 Secure |
| 2026-10-19 08:51:33 | 11667ms | 2 NS 2 A 8 MX | 🔒 Secure |
| 2026-10-18 08:08:50 | 1832ms | 2 NS 2 A 8 MX | 🔒 Secure |
| 2026-10-17 07:36:18 | 2329ms | 2 NS 2 A 8 MX | 🔒 Secure |
| 2026-10-16 06:13:49 | 20585ms | 2 NS 2 A 8 MX | 🔒 Secure |
| 2026-10-15 04:17:37 | 1094ms | 2 NS 2 A 8 MX | 🔒 Secure |
| 2026-10-14 03:58:36 | 11474ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-10-13 00:46:18 | 6765ms | 2 NS 1 A 8 MX | 🔓 Insecure |
| 2026-10-11 22:04:40 | 5113ms | 2 NS 1 A 8 MX | 🔓 Insecure |
| 2026-10-10 21:45:57 | 18993ms | 2 NS 1 A 8 MX | 🔓 Insecure |
| 2026-10-09 20:14:41 | 9723ms | 2 NS 1 A 8 MX | 🔓 Insecure |
| 2026-10-08 14:48:28 | 17788ms | 2 NS 1 A 8 MX | 🔓 Insecure |
| 2026-10-07 14:40:08 | 589ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-10-05 04:02:19 | 1123ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-10-02 03:27:51 | 481ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-10-01 03:26:18 | 391ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-30 03:44:42 | 816ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-25 02:14:04 | 454ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-24 22:09:24 | 593ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-20 05:16:56 | 1080ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-17 04:49:46 | 940ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-10 03:33:10 | 1797ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-03 16:56:44 | 1407ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-27 12:02:06 | 338ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-22 09:35:03 | 2194ms | 2 NS 0 A 1 MX | 🔒 Secure |