usco.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 77.111.240.182 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 |
|---|---|---|---|---|---|---|---|
| 77.111.240.182 | 3600s | webcluster55.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 | 77.111.240.182 |
| 🔶 Autoconfig | 77.111.240.182 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:102:80b6:d7e6:b692:5a23 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 77.111.240.135 2a02:2350:5:102:39:cfec:6f4d:810f (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network usco.dk: 77.111.240.135 2a02:2350:5:102:39:cfec:6f4d:810f (AS51468) www.usco.dk: 77.111.240.135 2a02:2350:5:102:39:cfec:6f4d:810f (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 | 2026062804 |
| 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 |
|---|---|---|---|
| 2026-10-07 22:08:00 | 450ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-25 23:06:15 | 635ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-19 17:09:22 | 739ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-15 05:25:23 | 25205ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-28 08:08:24 | 1040ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-27 23:42:40 | 628ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-17 08:43:19 | 4458ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-12 22:08:00 | 4878ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-10 20:12:12 shown | 4967ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-01 22:18:44 | 599ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-23 08:15:10 | 1034ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-21 20:25:47 | 942ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 07:20:57 | 688ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-20 05:25:24 | 970ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-20 01:29:28 | 1117ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-20 00:07:53 | 4606ms | 0 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-18 00:32:58 | 889ms | 2 NS 1 A 4 MX | 🔒 Secure |