frost-simonsen.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. Its website address 46.30.215.18 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod5-cph3.one.com, mx2.pub.mailpod5-cph3.one.com and 1 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.30.215.18 | 3600s | webcluster1.webpod15-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod5-cph3.one.com | 185.164.14.54 | mx1.pub.mailpod5-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod5-cph3.one.com | 185.164.14.55 | mx2.pub.mailpod5-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod5-cph3.one.com | 185.164.14.56 | mx3.pub.mailpod5-cph3.one.com | AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:10e:93:5d3c:927:5a7d | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 46.30.215.18 2a02:2350:5:10e:93:5d3c:927:5a7d (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network frost-simonsen.dk: 46.30.215.18 2a02:2350:5:10e:93:5d3c:927:5a7d (AS51468) www.frost-simonsen.dk: 46.30.215.18 2a02:2350:5:10e:93:5d3c:927:5a7d (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.mailpod5-cph3.one.com | DANE-EE · SPKI · SHA-256 | D8DFA3FF2BFC8029FC54CAE58297D988… |
| SMTP _25._tcp.mx2.pub.mailpod5-cph3.one.com | DANE-EE · SPKI · SHA-256 | D8DFA3FF2BFC8029FC54CAE58297D988… |
| SMTP _25._tcp.mx3.pub.mailpod5-cph3.one.com | DANE-EE · SPKI · SHA-256 | D8DFA3FF2BFC8029FC54CAE58297D988… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026062604 |
| 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 |
|---|---|---|---|
| 2026-10-01 04:40:18 | 943ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-23 21:51:14 | 618ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-27 21:01:41 | 835ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-27 17:14:05 | 678ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-26 15:10:15 | 572ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-24 09:02:35 | 945ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-24 15:31:26 | 838ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-02 16:44:09 shown | 692ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-27 16:01:06 | 684ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-24 11:38:24 | 685ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-17 10:11:50 | 4185ms | 2 NS 1 A 3 MX | 🔒 Secure |