rødcertificering.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 8 November 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). Mail is handled by .. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 195.47.247.18 | 600s | one.com.webforward.g1i.one | AS51468 | One.com A/S | 195.47.247.0/24 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 195.47.247.18 |
| 🔶 Autoconfig | 195.47.247.18 |
| TXT Record |
|---|
| v=spf1 include:spf.mailanyone.net -all |
| Policy | Record (rødcertificering.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.mailanyone.net -all |
| www | 195.47.247.18 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | ncache nxdomain overridden by dig AD |
| Field | Value |
|---|---|
| Serial | 2026101301 |
| 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 | 2013-11-08 |
| Expires | 2026-11-30 (38d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 22:36:37 shown | 947ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 17:13:53 | 583ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 14:35:11 | 4633ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-21 09:20:24 | 741ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-20 06:07:11 | 8936ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-07 21:05:03 | 5111ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-04 13:41:25 | 4486ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-25 10:32:19 | 904ms | 2 NS 1 A 4 MX | ⚠️ Bogus |
| 2026-06-21 19:11:17 | 304ms | 0 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-21 17:58:23 | 1123ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 17:16:32 | 607ms | 2 NS 1 A 4 MX | 🔒 Secure |