janfrost.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 6 February 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.144 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.mailpod16-cph3.g1i.one.com, mx2.mailpod16-cph3.g1i.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 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 |
|---|---|---|---|---|---|---|---|
| 77.111.240.144 | 3600s | webcluster17.webpod11-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.mailpod16-cph3.g1i.one.com | 5.249.232.33 | mx1.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.mailpod16-cph3.g1i.one.com | 5.249.232.34 | mx2.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.mailpod16-cph3.g1i.one.com | 5.249.232.35 | mx3.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.mailpod16-cph3.g1i.one.com | 5.249.232.36 | mx4.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:102:82:9878:f69c:7cd8 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 77.111.240.144 2a02:2350:5:102:82:9878:f69c:7cd8 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network janfrost.dk: 77.111.240.144 2a02:2350:5:102:82:9878:f69c:7cd8 (AS51468) www.janfrost.dk: 77.111.240.144 2a02:2350:5:102:82:9878:f69c:7cd8 (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.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 2362DFAC1BB9F66402E0636BDEF478E5… |
| SMTP _25._tcp.mx2.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 2362DFAC1BB9F66402E0636BDEF478E5… |
| SMTP _25._tcp.mx3.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 2362DFAC1BB9F66402E0636BDEF478E5… |
| SMTP _25._tcp.mx4.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 2362DFAC1BB9F66402E0636BDEF478E5… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100801 |
| 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 | 2023-02-06 |
| Expires | 2027-02-05 (110d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 19:58:37 shown | 481ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-30 10:18:58 | 930ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-30 02:14:27 | 557ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-10 03:33:27 | 1551ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-03 03:29:16 | 8753ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-26 16:46:39 | 1348ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-19 11:24:42 | 931ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-10 19:35:53 | 4961ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-12 11:26:49 | 830ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-29 23:55:51 | 732ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-27 15:29:12 | 667ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-25 19:01:45 | 793ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-21 23:41:43 | 1365ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-17 19:18:36 | 895ms | 2 NS 1 A 4 MX | 🔓 Insecure |