bibliotekssystem.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 5 December 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.213.95 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.mailpod15-cph3.g1i.one.com, mx2.mailpod15-cph3.g1i.one.com and 2 more. 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 |
|---|---|---|---|---|---|---|---|
| 46.30.213.95 | 3600s | webcluster1.webpod13-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | mx1.mailpod15-cph3.g1i.one.com | 104.37.35.36 | mx1.mailpod15-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 600s | mx2.mailpod15-cph3.g1i.one.com | 104.37.35.37 | mx2.mailpod15-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 600s | mx3.mailpod15-cph3.g1i.one.com | 104.37.35.38 | mx3.mailpod15-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 600s | mx4.mailpod15-cph3.g1i.one.com | 104.37.35.39 | mx4.mailpod15-cph3.g1i.one.com | AS51468 One.com A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 46.30.213.95 |
| 🔶 Autoconfig | 46.30.213.95 |
| www | Exists, no address |
| www vs bare domain | Same network bibliotekssystem.dk: 195.47.247.18 (AS51468) www.bibliotekssystem.dk: 2a02:2350:5:10b:58:2e43:9141:d4f9 (AS51468) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | DB00CDA1DB82CC93CBF96D7D5806F329… |
| SMTP _25._tcp.mx2.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | DB00CDA1DB82CC93CBF96D7D5806F329… |
| SMTP _25._tcp.mx3.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | DB00CDA1DB82CC93CBF96D7D5806F329… |
| SMTP _25._tcp.mx4.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | DB00CDA1DB82CC93CBF96D7D5806F329… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026052704 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2018-12-05 |
| Expires | 2026-12-31 (69d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 10:16:49 | 463ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-21 06:33:12 | 754ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-17 10:29:12 | 1367ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-13 05:03:40 | 473ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-07 23:16:43 | 1620ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-03 20:01:40 | 2533ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-25 01:00:25 | 742ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-03 12:13:00 | 620ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-26 18:15:38 | 1249ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-24 01:18:20 | 2865ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-21 17:07:25 | 932ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 22:05:05 shown | 575ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 14:28:34 | 767ms | 2 NS 1 A 4 MX | 🔒 Secure |