byrjalsen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 8 August 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.149 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod13-cph3.one.com, mx2.pub.mailpod13-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 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 |
|---|---|---|---|---|---|---|---|
| 77.111.240.149 | 3600s | webcluster22.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.pub.mailpod13-cph3.one.com | 185.10.9.42 | mx1.pub.mailpod13-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod13-cph3.one.com | 185.10.9.43 | mx2.pub.mailpod13-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod13-cph3.one.com | 185.10.9.44 | mx3.pub.mailpod13-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod13-cph3.one.com | 185.10.9.45 | mx4.pub.mailpod13-cph3.one.com | AS51468 One.com A/S |
| Service | CNAME / IP |
|---|---|
| 🔶 Autoconfig | 195.249.40.163 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:102:aa:ddd2:e93a:f67a | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 77.111.240.149 2a02:2350:5:102:aa:ddd2:e93a:f67a (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network byrjalsen.dk: 77.111.240.149 2a02:2350:5:102:aa:ddd2:e93a:f67a (AS51468) www.byrjalsen.dk: 77.111.240.149 2a02:2350:5:102:aa:ddd2:e93a:f67a (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.mailpod13-cph3.one.com | DANE-EE · SPKI · SHA-256 | BE8C554E6A2A9BFE9F87080F0AE71BAD… |
| SMTP _25._tcp.mx2.pub.mailpod13-cph3.one.com | DANE-EE · SPKI · SHA-256 | BE8C554E6A2A9BFE9F87080F0AE71BAD… |
| SMTP _25._tcp.mx3.pub.mailpod13-cph3.one.com | DANE-EE · SPKI · SHA-256 | BE8C554E6A2A9BFE9F87080F0AE71BAD… |
| SMTP _25._tcp.mx4.pub.mailpod13-cph3.one.com | DANE-EE · SPKI · SHA-256 | BE8C554E6A2A9BFE9F87080F0AE71BAD… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100401 |
| 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 | 2002-08-08 |
| Expires | 2027-09-30 (347d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 09:07:26 shown | 498ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-05 11:54:55 | 841ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-30 11:34:49 | 542ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-26 05:45:24 | 627ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-17 01:13:39 | 638ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-11 01:27:18 | 586ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-05 18:45:29 | 787ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-26 14:14:07 | 744ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-26 04:35:29 | 1385ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-21 21:01:41 | 9016ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-06 02:22:22 | 1793ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-04 16:51:14 | 4887ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-29 16:08:57 | 660ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-27 18:05:53 | 687ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-20 07:47:55 | 2743ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 18:25:11 | 606ms | 2 NS 1 A 4 MX | 🔒 Secure |