kølstrup.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 77.111.240.166 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod10-cph3.one.com, mx2.pub.mailpod10-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 this 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 |
|---|---|---|---|---|---|---|---|
| 77.111.240.166 | 3600s | webcluster39.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.mailpod10-cph3.one.com | 104.37.34.70 | mx1.pub.mailpod10-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod10-cph3.one.com | 104.37.34.71 | mx2.pub.mailpod10-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod10-cph3.one.com | 104.37.34.72 | mx3.pub.mailpod10-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod10-cph3.one.com | 104.37.34.73 | mx4.pub.mailpod10-cph3.one.com | AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:102:8036:630b:2c6b:a61d | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 77.111.240.166 2a02:2350:5:102:8036:630b:2c6b:a61d (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network kølstrup.dk: 77.111.240.166 2a02:2350:5:102:8036:630b:2c6b:a61d (AS51468) www.kølstrup.dk: 77.111.240.166 2a02:2350:5:102:8036:630b:2c6b:a61d (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.mailpod10-cph3.one.com | DANE-EE · SPKI · SHA-256 | 6F2F6668E559087AD0C5D55F223128E2… |
| SMTP _25._tcp.mx2.pub.mailpod10-cph3.one.com | DANE-EE · SPKI · SHA-256 | 6F2F6668E559087AD0C5D55F223128E2… |
| SMTP _25._tcp.mx3.pub.mailpod10-cph3.one.com | DANE-EE · SPKI · SHA-256 | 6F2F6668E559087AD0C5D55F223128E2… |
| SMTP _25._tcp.mx4.pub.mailpod10-cph3.one.com | DANE-EE · SPKI · SHA-256 | 6F2F6668E559087AD0C5D55F223128E2… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026092901 |
| 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 |
|---|---|---|---|
| 2026-10-21 17:06:38 | 1477ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-30 16:10:13 | 629ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-30 00:18:00 | 649ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-29 15:15:27 shown | 1490ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-25 21:55:34 | 638ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-30 13:42:07 | 580ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-22 19:19:56 | 1760ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-29 14:54:19 | 894ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-29 18:43:30 | 795ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-26 10:14:32 | 735ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-23 10:49:07 | 923ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 13:01:32 | 537ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 14:36:32 | 2009ms | 2 NS 1 A 4 MX | 🔒 Secure |