blue-field.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx1.pub.mailpod12-cph3.one.com, mx2.pub.mailpod12-cph3.one.com and 2 more. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.30.215.174 | — | webcluster2.webpod17-cph3.one.com | AS51468 | — | — | — | Copenhagen |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:106:8073:1d7:fb2b:863b | — | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 46.30.215.174 2a02:2350:5:106:8073:1d7:fb2b:863b (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network blue-field.dk: 46.30.215.174 2a02:2350:5:106:8073:1d7:fb2b:863b (AS51468) www.blue-field.dk: 46.30.215.174 2a02:2350:5:106:8073:1d7:fb2b:863b (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | D91CB8AC124CB360F986182813BDF3FD… |
| SMTP _25._tcp.mx2.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | D91CB8AC124CB360F986182813BDF3FD… |
| SMTP _25._tcp.mx3.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | D91CB8AC124CB360F986182813BDF3FD… |
| SMTP _25._tcp.mx4.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | D91CB8AC124CB360F986182813BDF3FD… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026060401 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-04 10:55:12 | 574ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-03 02:15:49 | 958ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-01 01:59:22 | 627ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-24 00:15:28 | 607ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-12 22:17:45 | 718ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-06 16:08:16 | 2623ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-03 18:01:27 | 591ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-27 16:33:19 | 907ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-07 02:37:23 | 1445ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-12 14:27:19 | 2809ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-03 11:47:20 | 2599ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-20 16:11:57 | 1112ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-19 14:49:28 | 821ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 15:14:01 | 2798ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 15:13:01 shown | 2317ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 15:00:58 | 2670ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 15:00:48 | 525ms | 2 NS 1 A 4 MX | 🔒 Secure |