bioguiden.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 7 November 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 172.245.14.138 is hosted by HostPapa (AS36352) in United States. Mail is handled by mx1.pub.mailpod14-cph3.one.com, mx2.pub.mailpod14-cph3.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 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 |
|---|---|---|---|---|---|---|---|
| 172.245.14.138 | 3600s | 172-245-14-138-host.colocrossing.com | AS36352 | HostPapa | 172.245.8.0/21 | 🇺🇸 United States | Buffalo |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod14-cph3.one.com | 185.10.9.212 | mx1.pub.mailpod14-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod14-cph3.one.com | 185.10.9.213 | mx2.pub.mailpod14-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod14-cph3.one.com | 185.10.9.214 | mx3.pub.mailpod14-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod14-cph3.one.com | 185.10.9.215 | mx4.pub.mailpod14-cph3.one.com | AS51468 One.com A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | bioguiden.dk → 172.245.14.138 |
| 🔶 Autoconfig | bioguiden.dk → 172.245.14.138 |
| TXT Record |
|---|
| v=spf1 +a +mx -all |
| Policy | Record (bioguiden.dk) |
|---|---|
| -all (hard fail) | v=spf1 +a +mx -all |
| www CNAME | bioguiden.dk (all on bioguiden.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| k1 | dkim.mcsv.net | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 2/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.bioguiden.dk | InTKutgnKqjTftkKCYjySAc4zAsJ8qjP7c3EdndtO74 |
| TXT | _acme-challenge.bioguiden.dk | asZ5JIhr5Gg6hHFmJdTzPUNoemtdHE_Rfw-IzmHLu0Y |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod14-cph3.one.com | DANE-EE · SPKI · SHA-256 | 42A27444ECBF3C0485409E27E2A6AB15… |
| SMTP _25._tcp.mx2.pub.mailpod14-cph3.one.com | DANE-EE · SPKI · SHA-256 | 42A27444ECBF3C0485409E27E2A6AB15… |
| SMTP _25._tcp.mx3.pub.mailpod14-cph3.one.com | DANE-EE · SPKI · SHA-256 | 42A27444ECBF3C0485409E27E2A6AB15… |
| SMTP _25._tcp.mx4.pub.mailpod14-cph3.one.com | DANE-EE · SPKI · SHA-256 | 42A27444ECBF3C0485409E27E2A6AB15… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101101 |
| 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 | Punktum dk A/S (direct) |
| Registered | 2016-11-07 |
| Expires | 2027-04-30 (194d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-11 17:34:57 shown | 681ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-06 08:53:43 | 627ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-01 07:13:53 | 852ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-28 04:49:26 | 877ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-27 04:03:16 | 1211ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-13 22:08:06 | 5190ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-04 09:43:25 | 4514ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-03 00:28:25 | 1095ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-28 00:51:52 | 982ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-26 05:14:11 | 1436ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-23 20:08:51 | 1181ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 03:25:51 | 1044ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-18 20:16:51 | 1031ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 14:38:29 | 713ms | 2 NS 1 A 4 MX | 🔒 Secure |