tredjenummerplade.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 4 April 2019 (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 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 |
|---|---|---|---|---|---|---|---|
| 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 |
| v=spf1 -all |
| Policy | Record (tredjenummerplade.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.tredjenummerplade.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 |
| 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 | 2025091856 |
| 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 | 2019-04-04 |
| Expires | 2027-07-31 (285d) |
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 |
|---|---|---|---|
| 2026-10-17 22:24:42 | 3751ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-15 20:04:41 | 504ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-07 08:32:30 | 5399ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 00:40:17 | 590ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 21:59:51 | 1570ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 21:23:15 | 512ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 08:29:03 | 2985ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-16 07:09:53 | 2822ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-10 02:34:53 | 2912ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-30 23:19:19 shown | 1530ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-29 05:19:02 | 2690ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 00:22:42 | 11323ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-18 16:16:50 | 4308ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-12 22:30:10 | 2390ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-07 13:47:20 | 5984ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-06 09:59:19 | 719ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-25 18:51:21 | 19672ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-20 19:54:37 | 8785ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-17 13:16:56 | 2616ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-14 13:39:21 | 16657ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 20:07:22 | 690ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-02 14:30:58 | 3578ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 00:44:03 | 606ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 23:40:54 | 559ms | 6 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 00:13:57 | 643ms | 6 NS 1 A 0 MX | 🔒 Secure |