rg-as.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 15 August 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.237 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1-dk.centerasecurity.dk, mx2-dk.centerasecurity.dk and 1 more. The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 46.30.215.237 | 3600s | webcluster2.webpod18-cph3.g1i.one | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.136 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:108:806a:d943:87dd:f55f | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com include:_spf.centerasecurity.dk -all |
| Policy | Record (rg-as.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:_spf.centerasecurity.dk -all |
| Policy | Record (_dmarc.rg-as.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:dmarc@rg-as.dk; ruf=mailto:dmarc@rg-as.dk; fo=1 |
| www | 46.30.215.237 2a02:2350:5:108:806a:d943:87dd:f55f (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network rg-as.dk: 46.30.215.237 2a02:2350:5:108:806a:d943:87dd:f55f (AS51468) www.rg-as.dk: 46.30.215.237 2a02:2350:5:108:806a:d943:87dd:f55f (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 2/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100501 |
| 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 | 2015-08-15 |
| Expires | 2027-08-31 (316d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-06 13:24:06 shown | 575ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-30 10:53:54 | 891ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-27 08:21:25 | 785ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-07 14:41:25 | 872ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-06 19:33:07 | 1193ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-25 05:07:57 | 4814ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-08 02:45:19 | 1262ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-07 02:52:36 | 1657ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-03 16:24:42 | 828ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-22 05:43:55 | 1083ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-21 07:13:56 | 1083ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 23:36:43 | 1166ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 07:10:23 | 936ms | 2 NS 1 A 3 MX | 🔒 Secure |