bibliotekgpt.dk is a .dk domain served by 2 nameservers (sec1.rcode0.net, sec2.rcode0.net). It was registered on 30 August 2023 (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 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 |
|---|---|---|---|---|---|---|---|
| 193.111.162.19 | 3600s | misc-proxy.dbc.dk | AS24853 | — | — | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | misc-proxy.dbc.dk → 193.111.162.19 |
| 🔶 Autoconfig | misc-proxy.dbc.dk → 193.111.162.19 |
| Flags | Tag | Value |
|---|---|---|
| 0 | iodef | mailto:domains@dbc.dk |
| 0 | issue | letsencrypt.org |
| www CNAME | misc-proxy.dbc.dk (all on dbc.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.bibliotekgpt.dk | _acme-challenge.bibliotekgpt.dk.acme.dbc.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2023091390 |
| Primary NS (MNAME) | ns.dbc.dk |
| Responsible (RNAME) | domains@dbc.dk |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | DBC DIGITAL A/S |
| Registered | 2023-08-30 |
| Expires | 2027-08-29 (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 |
|---|---|---|---|
| 2026-10-26 00:53:11 | 481ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-22 14:49:43 | 632ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-18 19:01:57 | 1950ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-17 18:43:10 | 1649ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-16 18:15:41 | 1761ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-13 12:17:44 | 970ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-09 03:27:24 | 2663ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-08 03:23:46 | 1312ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-05 01:50:27 | 777ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-04 01:42:37 | 755ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-01 01:54:00 | 700ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-30 18:03:59 | 975ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-29 17:57:21 | 915ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-28 17:47:32 | 831ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-25 17:15:35 | 1037ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-23 16:09:05 | 836ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-23 01:48:42 | 862ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-20 22:39:00 | 982ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-16 13:47:55 | 1029ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-14 03:21:56 | 2469ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-11 01:12:26 | 1267ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-08 04:08:30 | 1182ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-04 11:24:47 | 906ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-30 16:00:52 | 725ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-25 21:21:26 | 742ms | 2 NS 1 A 0 MX | 🔒 Secure |