cathrineertmann.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 77.111.240.171 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 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 |
|---|---|---|---|---|---|---|---|
| 77.111.240.171 | 3600s | webcluster44.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 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:102:8058:fd8b:28ed:22ab | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| google-site-verification=UHKjYc0CysGyeinK75rMIpNTQjiSEg3cQUdJQPOyIP0 |
| www | 195.47.247.18 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network |
| 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 | 2026090401 |
| 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 |
|---|---|---|---|
| 2026-10-13 04:17:54 | 568ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-01 16:11:59 | 2430ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-30 15:57:26 shown | 691ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-05 18:47:15 | 966ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-04 07:02:18 | 630ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-27 19:23:35 | 835ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-27 13:34:37 | 645ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-26 13:08:28 | 751ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-22 01:03:39 | 5010ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-12 17:47:16 | 4868ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-02 16:17:12 | 911ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-01 06:22:04 | 1950ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-26 19:07:14 | 729ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-25 22:29:37 | 540ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-23 16:51:25 | 979ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 11:45:12 | 1143ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 19:45:13 | 736ms | 2 NS 1 A 4 MX | 🔒 Secure |