holst-larsen.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.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 |
|---|---|---|---|---|---|---|---|
| 77.111.240.187 | 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.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 | 195.249.40.32 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:102:80d8:7b93:2c37:8346 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 77.111.240.187 2a02:2350:5:102:80d8:7b93:2c37:8346 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network holst-larsen.dk: 77.111.240.187 2a02:2350:5:102:80d8:7b93:2c37:8346 (AS51468) www.holst-larsen.dk: 77.111.240.187 2a02:2350:5:102:80d8:7b93:2c37:8346 (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 | 2026092801 |
| 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 |
|---|---|---|---|
| 2026-10-09 09:43:43 shown | 1470ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-01 04:31:35 | 654ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-29 10:34:11 | 711ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-26 10:06:47 | 731ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-08 19:50:24 | 611ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-29 08:24:17 | 1645ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-27 00:34:08 | 565ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-23 04:31:21 | 7364ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-29 15:14:57 | 919ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-02 00:19:28 | 2072ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-29 05:36:18 | 576ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-25 19:52:36 | 567ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-23 17:15:00 | 1126ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 11:41:35 | 1203ms | 2 NS 1 A 4 MX | 🔒 Secure |