btjohansson.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 77.111.240.187 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod14-cph3.one.com, mx2.pub.mailpod14-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 |
|---|---|---|---|---|---|---|---|
| 77.111.240.187 | 3600s | webcluster60.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.mailpod14-cph3.one.com | 185.10.9.212 | mx1.pub.mailpod14-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod14-cph3.one.com | 185.10.9.213 | mx2.pub.mailpod14-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod14-cph3.one.com | 185.10.9.214 | mx3.pub.mailpod14-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod14-cph3.one.com | 185.10.9.215 | mx4.pub.mailpod14-cph3.one.com | AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:102:80d8:ff55:4e4:ff43 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 77.111.240.187 2a02:2350:5:102:80d8:ff55:4e4:ff43 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network btjohansson.dk: 77.111.240.187 2a02:2350:5:102:80d8:ff55:4e4:ff43 (AS51468) www.btjohansson.dk: 77.111.240.187 2a02:2350:5:102:80d8:ff55:4e4:ff43 (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.mailpod14-cph3.one.com | DANE-EE · SPKI · SHA-256 | 42A27444ECBF3C0485409E27E2A6AB15… |
| SMTP _25._tcp.mx2.pub.mailpod14-cph3.one.com | DANE-EE · SPKI · SHA-256 | 42A27444ECBF3C0485409E27E2A6AB15… |
| SMTP _25._tcp.mx3.pub.mailpod14-cph3.one.com | DANE-EE · SPKI · SHA-256 | 42A27444ECBF3C0485409E27E2A6AB15… |
| SMTP _25._tcp.mx4.pub.mailpod14-cph3.one.com | DANE-EE · SPKI · SHA-256 | 42A27444ECBF3C0485409E27E2A6AB15… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100101 |
| 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 19:39:18 shown | 1699ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-30 19:23:35 | 654ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-30 09:36:20 | 676ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-27 17:19:50 | 711ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-26 17:07:13 | 620ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-15 10:38:42 | 691ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-01 04:27:18 | 566ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-27 19:43:54 | 679ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-01 02:08:57 | 870ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-24 09:24:43 | 8977ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-30 03:54:58 | 5812ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-28 21:00:20 | 813ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-25 03:17:54 | 751ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-23 19:40:01 | 809ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-23 10:06:13 | 965ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 17:45:29 | 2222ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 17:32:57 | 3263ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 17:30:28 | 4579ms | 2 NS 1 A 4 MX | 🔒 Secure |