opal-group.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 3 February 2020 (WHOIS) and 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.mailpod9-cph3.one.com, mx2.pub.mailpod9-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.mailpod9-cph3.one.com | 185.164.14.118 | mx1.pub.mailpod9-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod9-cph3.one.com | 185.164.14.119 | mx2.pub.mailpod9-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod9-cph3.one.com | 185.164.14.120 | mx3.pub.mailpod9-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod9-cph3.one.com | 185.164.14.124 | mx4.pub.mailpod9-cph3.one.com | AS51468 One.com A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 77.111.240.166 |
| 🔶 Autoconfig | 77.111.240.166 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:102:8030:d9de:7b28:c2d7 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 77.111.240.180 2a02:2350:5:102:80a3:a7c2:bce:a282 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network opal-group.dk: 77.111.240.180 2a02:2350:5:102:80a3:a7c2:bce:a282 (AS51468) www.opal-group.dk: 77.111.240.180 2a02:2350:5:102:80a3:a7c2:bce:a282 (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.mailpod9-cph3.one.com | DANE-EE · SPKI · SHA-256 | 45270A69B37BD0C454F2B3E54CC89AD7… |
| SMTP _25._tcp.mx2.pub.mailpod9-cph3.one.com | DANE-EE · SPKI · SHA-256 | 45270A69B37BD0C454F2B3E54CC89AD7… |
| SMTP _25._tcp.mx3.pub.mailpod9-cph3.one.com | DANE-EE · SPKI · SHA-256 | 45270A69B37BD0C454F2B3E54CC89AD7… |
| SMTP _25._tcp.mx4.pub.mailpod9-cph3.one.com | DANE-EE · SPKI · SHA-256 | 45270A69B37BD0C454F2B3E54CC89AD7… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026062205 |
| 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 | 2020-02-03 |
| Expires | 2027-02-28 (133d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-04 16:49:50 | 815ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-26 16:04:41 | 649ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-05 08:54:29 | 4360ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-29 07:17:06 | 616ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-28 02:12:24 | 760ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-26 22:24:17 | 648ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-22 18:28:18 | 6695ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-14 02:45:43 shown | 6410ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-28 15:46:38 | 702ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-28 04:47:47 | 721ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-27 19:20:36 | 780ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-26 05:09:25 | 689ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-23 05:06:43 | 940ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 03:55:46 | 871ms | 2 NS 1 A 4 MX | 🔒 Secure |