rdfa.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 9 October 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.237.249.12 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-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 |
|---|---|---|---|---|---|---|---|
| 212.237.249.12 | 3600s | lb1.builder.nu | AS48854 | team.blue Denmark A/S | 212.237.248.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod11-cph3.one.com | 104.37.34.230 | mx1.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod11-cph3.one.com | 104.37.34.231 | mx2.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod11-cph3.one.com | 104.37.34.232 | mx3.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod11-cph3.one.com | 104.37.34.233 | mx4.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 212.237.249.12 |
| 🔶 Autoconfig | 212.237.249.12 |
| www | 212.237.249.12 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 24F573980561755185B794745411B05D… |
| SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 24F573980561755185B794745411B05D… |
| SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 24F573980561755185B794745411B05D… |
| SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 24F573980561755185B794745411B05D… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101501 |
| 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 | 2023-10-09 |
| Expires | 2027-10-08 (355d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 23:33:04 shown | 1816ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-01 07:41:12 | 683ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-21 02:05:48 | 1080ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-14 05:50:15 | 869ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-11 09:22:19 | 781ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-27 22:47:18 | 920ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-10 10:00:57 | 4110ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-08 17:01:32 | 4913ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-02 11:41:21 | 1263ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-27 02:55:28 | 682ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-23 03:09:38 | 1177ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-18 00:08:48 | 718ms | 2 NS 1 A 4 MX | 🔒 Secure |