administrationsogservicestyrelsen.dk is a .dk domain served by 6 nameservers (df-ns01.skat.dk, df-ns02.skat.dk, df-ns03.skat.dk and 3 more). It was registered on 19 June 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 147.29.150.90 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 147.29.150.90 | 1800s | — | AS3292 | TDC Holding A/S | 147.29.150.0/23 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 1800s | . Null MX — domain accepts no email (RFC 7505) | |||
| TXT Record |
|---|
| SKAT |
| skatteforvaltningen.azurewebsites.net |
| v=spf1 -all |
| Policy | Record (administrationsogservicestyrelsen.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.administrationsogservicestyrelsen.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:fd0c97ad@in.mailhardener.com; ruf=mailto:fd0c97ad@in.mailhardener.com |
| www | 147.29.150.90 (AS3292) (address records, no CNAME) |
| www vs bare domain | Same network administrationsogservicestyrelsen.dk: 147.29.150.90 (AS3292) www.administrationsogservicestyrelsen.dk: 147.29.150.90 (AS3292) |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| 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 | 2025091810 |
| Primary NS (MNAME) | df-ns01.skat.dk |
| Responsible (RNAME) | hostmaster@csc.dk |
| Refresh | 14400s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2017-06-19 |
| Expires | 2027-07-31 (285d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-18 01:35:13 shown | 5254ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-15 21:06:15 | 495ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 16:18:16 | 661ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 15:31:19 | 444ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 22:44:51 | 512ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-14 07:19:52 | 629ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-14 06:21:16 | 4868ms | 6 NS 1 A 1 MX | ❓ Unknown |
| 2026-09-12 01:41:40 | 4053ms | 6 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-09-05 01:24:22 | 471ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-01 12:16:01 | 6682ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 21:53:00 | 1533ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-17 16:46:57 | 1195ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-12 23:32:44 | 8677ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-10 22:21:34 | 769ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-07 14:06:05 | 2706ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-26 09:18:15 | 832ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-20 23:19:34 | 694ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-19 19:55:09 | 3851ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-16 10:58:58 | 9625ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 13:07:54 | 658ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-30 06:57:56 | 1026ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 05:54:07 | 723ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 12:46:15 | 2063ms | 6 NS 1 A 0 MX | 🔒 Secure |