3ac.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 1 December 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.213.67 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod5-cph3.one.com, mx2.pub.mailpod5-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 |
|---|---|---|---|---|---|---|---|
| 46.30.213.67 | 3600s | webcluster1.webpod13-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod5-cph3.one.com | 185.164.14.54 | mx1.pub.mailpod5-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod5-cph3.one.com | 185.164.14.55 | mx2.pub.mailpod5-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod5-cph3.one.com | 185.164.14.56 | mx3.pub.mailpod5-cph3.one.com | AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:10b:18:328:abbe:b18f | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 46.30.213.67 2a02:2350:5:10b:18:328:abbe:b18f (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network 3ac.dk: 46.30.213.67 2a02:2350:5:10b:18:328:abbe:b18f (AS51468) www.3ac.dk: 46.30.213.67 2a02:2350:5:10b:18:328:abbe:b18f (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.mailpod5-cph3.one.com | DANE-EE · SPKI · SHA-256 | D8DFA3FF2BFC8029FC54CAE58297D988… |
| SMTP _25._tcp.mx2.pub.mailpod5-cph3.one.com | DANE-EE · SPKI · SHA-256 | D8DFA3FF2BFC8029FC54CAE58297D988… |
| SMTP _25._tcp.mx3.pub.mailpod5-cph3.one.com | DANE-EE · SPKI · SHA-256 | D8DFA3FF2BFC8029FC54CAE58297D988… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026072001 |
| 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 | ONE.COM A/S |
| Registered | 2006-12-01 |
| Expires | 2026-12-31 (74d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 10:49:49 | 1511ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-01 06:26:09 | 602ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-23 23:32:24 | 2476ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-20 01:12:06 | 4595ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-10 14:15:43 | 1187ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-27 22:05:40 | 758ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-26 10:17:09 | 1100ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-22 05:07:31 | 6587ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-21 05:05:36 | 1077ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-17 23:23:03 | 5048ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-08 03:36:07 | 989ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-06 02:59:46 | 1958ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-20 23:50:52 shown | 817ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-07 19:12:09 | 3768ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-23 05:58:29 | 722ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-19 17:23:47 | 2949ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-16 12:41:30 | 2776ms | 2 NS 1 A 3 MX | 🔒 Secure |