due-kjaer.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 9 September 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.138 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod8-cph3.one.com, mx2.pub.mailpod8-cph3.one.com and 1 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 |
|---|---|---|---|---|---|---|---|
| 77.111.240.138 | 3600s | webcluster11.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.mailpod8-cph3.one.com | 185.164.14.102 | mx1.pub.mailpod8-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod8-cph3.one.com | 185.164.14.103 | mx2.pub.mailpod8-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod8-cph3.one.com | 185.164.14.104 | mx3.pub.mailpod8-cph3.one.com | AS51468 One.com A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 77.111.240.138 |
| 🔶 Autoconfig | 77.111.240.138 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:102:53:469a:2926:c51a | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 77.111.240.138 2a02:2350:5:102:53:469a:2926:c51a (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network due-kjaer.dk: 77.111.240.138 2a02:2350:5:102:53:469a:2926:c51a (AS51468) www.due-kjaer.dk: 77.111.240.138 2a02:2350:5:102:53:469a:2926:c51a (AS51468) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod8-cph3.one.com | DANE-EE · SPKI · SHA-256 | BF2BAC81D64CD548F2920A7E0ADF7907… |
| SMTP _25._tcp.mx2.pub.mailpod8-cph3.one.com | DANE-EE · SPKI · SHA-256 | BF2BAC81D64CD548F2920A7E0ADF7907… |
| SMTP _25._tcp.mx3.pub.mailpod8-cph3.one.com | DANE-EE · SPKI · SHA-256 | BF2BAC81D64CD548F2920A7E0ADF7907… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026091202 |
| 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 | 2011-09-09 |
| Expires | 2027-09-30 (346d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-29 18:20:43 | 702ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-29 08:39:58 | 642ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-15 22:27:48 shown | 1177ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-29 11:38:50 | 540ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-27 01:54:10 | 698ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-13 05:51:55 | 2867ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-14 19:13:14 | 8744ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-25 11:24:41 | 748ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-25 10:19:32 | 2374ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-17 04:56:01 | 605ms | 2 NS 1 A 3 MX | 🔒 Secure |