frostenberg.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 2 April 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.241.125 is hosted by One.com A/S (AS51468) in Denmark. 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, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 77.111.241.125 | 3600s | webcluster2.wordpresspod2-cph3.one.com | AS51468 | One.com A/S | 77.111.240.0/22 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod12-cph3.one.com | 104.37.34.246 | mx1.pub.mailpod12-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod12-cph3.one.com | 104.37.34.247 | mx2.pub.mailpod12-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod12-cph3.one.com | 104.37.34.248 | mx3.pub.mailpod12-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod12-cph3.one.com | 104.37.34.249 | mx4.pub.mailpod12-cph3.one.com | AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:104:80ee:c9b4:4542:a6a5 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| brevo-code:0c0f07aff9eeb49ce5807539f2f19ea6 |
| Policy | Record (_dmarc.frostenberg.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com |
| www | 77.111.241.125 2a02:2350:5:104:80ee:c9b4:4542:a6a5 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network frostenberg.dk: 77.111.241.125 2a02:2350:5:104:80ee:c9b4:4542:a6a5 (AS51468) www.frostenberg.dk: 77.111.241.125 2a02:2350:5:104:80ee:c9b4:4542:a6a5 (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 | 3E81C76D10E1A717F28178710EADCAA8… |
| SMTP _25._tcp.mx2.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | 3E81C76D10E1A717F28178710EADCAA8… |
| SMTP _25._tcp.mx3.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | 3E81C76D10E1A717F28178710EADCAA8… |
| SMTP _25._tcp.mx4.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | 3E81C76D10E1A717F28178710EADCAA8… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026073001 |
| 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 | 2025-04-02 |
| Expires | 2027-04-01 (165d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 07:21:57 | 544ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-27 10:16:11 | 806ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-25 10:06:44 | 609ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-17 14:00:52 | 851ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-15 10:38:12 | 1575ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-05 19:31:39 | 599ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-02 21:41:26 | 653ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-25 22:48:22 | 672ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-13 21:51:18 | 980ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-07 13:53:12 | 3732ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-30 22:09:55 shown | 1109ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-28 23:52:40 | 1952ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-27 22:49:24 | 1058ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-26 22:34:06 | 1179ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-25 22:26:33 | 8910ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-24 21:59:48 | 982ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-23 19:09:08 | 1239ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-22 18:25:14 | 2793ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-21 15:52:01 | 827ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-19 18:57:05 | 872ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-18 16:54:51 | 6433ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-17 14:35:24 | 1098ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-16 07:56:17 | 866ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-10 20:33:14 | 1024ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-09 01:03:42 | 2457ms | 2 NS 1 A 4 MX | 🔒 Secure |