rd-support.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 5 September 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.133 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 our latest 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 |
|---|---|---|---|---|---|---|---|
| 77.111.240.133 | 3600s | webcluster6.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 |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:102:28:2e60:8eaf:edaa | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 77.111.240.133 2a02:2350:5:102:28:2e60:8eaf:edaa (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network rd-support.dk: 77.111.240.133 2a02:2350:5:102:28:2e60:8eaf:edaa (AS51468) www.rd-support.dk: 77.111.240.133 2a02:2350:5:102:28:2e60:8eaf:edaa (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.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 | 2026092801 |
| 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 | 2007-09-05 |
| Expires | 2027-09-30 (347d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 08:26:39 shown | 486ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-29 08:38:07 | 766ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-25 07:36:41 | 667ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-07 06:52:46 | 660ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-03 10:28:13 | 817ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-28 21:36:29 | 2017ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-22 23:35:38 | 5652ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-29 20:34:17 | 980ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-28 18:38:11 | 1212ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-25 19:45:29 | 612ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 19:34:41 | 1057ms | 2 NS 1 A 4 MX | 🔒 Secure |