studietrøje.dk is a .dk domain served by 2 nameservers (michelle.ns.cloudflare.com, trey.ns.cloudflare.com). It was registered on 10 July 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.26.5 | 300s | — | AS13335 | — | — | — | — |
| 172.67.135.14 | 300s | — | AS13335 | — | — | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3035::ac43:870e | 300s | — | AS13335 | — | — | — | — |
| 2606:4700:3036::6815:1a05 | 300s | — | AS13335 | — | — | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.26.5,172.67.135.14 ech=AEX+DQBBaQAgACA4S2JBj0mL5l26whte19zVei9pUBiTi4rsFsEinzwAXwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:870e,2606:4700:3036::6815:1a05 |
| www | 104.21.26.5 172.67.135.14 2606:4700:3031::ac43:870e 2606:4700:3037::6815:1a05 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network studietrøje.dk: 104.21.26.5 172.67.135.14 2606:4700:3031::ac43:870e 2606:4700:3037::6815:1a05 (AS13335) www.studietrøje.dk: 104.21.26.5 172.67.135.14 2606:4700:3031::ac43:870e 2606:4700:3037::6815:1a05 (AS13335) |
| Wildcard | No |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxdomain |
| Field | Value |
|---|---|
| Serial | 2404180729 |
| Primary NS (MNAME) | michelle.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 | 2012-07-10 |
| Expires | 2027-08-31 (307d) |
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 |
|---|---|---|---|
| 2026-10-03 16:40:32 | 1229ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-28 16:14:18 | 592ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-26 15:52:11 | 583ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-25 15:45:49 | 1278ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-24 05:34:23 | 1127ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-15 23:59:36 | 1272ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-09 14:12:36 | 1408ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-01 23:57:23 | 2990ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-24 18:20:28 | 8621ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-16 04:15:33 | 950ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-21 18:16:05 shown | 749ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-06-19 13:00:13 | 978ms | 0 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-17 12:09:00 | 1013ms | 2 NS 2 A 0 MX | 🔒 Secure |