britjensen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 14 February 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.199.108.153 is hosted by Fastly, Inc. (AS54113) in United States. 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| 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 |
|---|---|---|---|---|---|---|---|
| 2606:50c0:8000::153 | 3600s | — | AS54113 | Fastly, Inc. | 2606:50c0:8000:0:0:0:0:0/46 | 🇺🇸 United States | — |
| 2606:50c0:8001::153 | 3600s | — | AS54113 | Fastly, Inc. | 2606:50c0:8000:0:0:0:0:0/46 | 🇺🇸 United States | — |
| 2606:50c0:8002::153 | 3600s | — | AS54113 | Fastly, Inc. | 2606:50c0:8000:0:0:0:0:0/46 | 🇺🇸 United States | — |
| 2606:50c0:8003::153 | 3600s | — | AS54113 | Fastly, Inc. | 2606:50c0:8000:0:0:0:0:0/46 | 🇺🇸 United States | — |
| www CNAME | tadeastolver.github.io (all on github.io) |
| www vs bare domain | Same network britjensen.dk: 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 (AS54113) www.britjensen.dk: 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 (AS54113) |
| 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 | 2CDDC5D748A3C02AC19FF7BC33AA01A5… |
| SMTP _25._tcp.mx2.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | 2CDDC5D748A3C02AC19FF7BC33AA01A5… |
| SMTP _25._tcp.mx3.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | 2CDDC5D748A3C02AC19FF7BC33AA01A5… |
| SMTP _25._tcp.mx4.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | 2CDDC5D748A3C02AC19FF7BC33AA01A5… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100301 |
| 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 | 2015-02-14 |
| Expires | 2027-02-28 (133d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 18:41:27 shown | 2872ms | 2 NS 4 A 4 MX | 🔒 Secure |
| 2026-09-30 18:23:31 | 880ms | 2 NS 4 A 4 MX | 🔒 Secure |
| 2026-09-30 01:27:00 | 632ms | 2 NS 4 A 4 MX | 🔒 Secure |
| 2026-09-29 14:51:41 | 1861ms | 2 NS 4 A 4 MX | 🔒 Secure |
| 2026-09-19 16:43:28 | 2734ms | 2 NS 4 A 4 MX | 🔒 Secure |
| 2026-09-04 13:58:07 | 802ms | 2 NS 4 A 4 MX | 🔒 Secure |
| 2026-08-26 11:02:38 | 1662ms | 2 NS 4 A 4 MX | 🔒 Secure |
| 2026-08-03 05:27:47 | 3274ms | 2 NS 4 A 4 MX | 🔒 Secure |
| 2026-07-03 12:52:54 | 4460ms | 2 NS 4 A 4 MX | 🔒 Secure |
| 2026-06-27 02:55:58 | 653ms | 2 NS 4 A 4 MX | 🔒 Secure |
| 2026-06-16 17:16:54 | 3579ms | 2 NS 4 A 4 MX | 🔒 Secure |
| 2026-06-16 17:11:18 | 3000ms | 2 NS 4 A 4 MX | ⚠️ Bogus |
| 2026-06-16 17:04:32 | 716ms | 2 NS 4 A 4 MX | ⚠️ Bogus |
| 2026-06-16 17:00:57 | 875ms | 2 NS 4 A 4 MX | 🔒 Secure |