rfc1925.dk is a .dk domain served by 2 nameservers (adi.ns.cloudflare.com, dimitris.ns.cloudflare.com). It was registered on 7 August 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 152.53.182.91 is hosted by netcup GmbH (AS197540) in Germany. Mail is handled by mail.rfc1925.dk. The zone is of unknown DNSSEC status, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 152.53.182.91 | 300s | v2202604352849452589.supersrv.de | AS197540 | netcup GmbH | 152.53.176.0/20 | 🇩🇪 Germany | Nuremberg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mail.rfc1925.dk | — | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a0a:4cc0:c0:e343:e8e5:17ff:fe54:94ec | 300s | — | AS197540 | netcup GmbH | 2a0a:4cc0:c0:0:0:0:0:0/43 | 🇩🇪 Germany | Nuremberg |
| TXT Record |
|---|
| v=spf1 a mx ip4:195.201.225.131 ip4:78.47.44.61 ~all |
| Policy | Record (rfc1925.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx ip4:195.201.225.131 ip4:78.47.44.61 ~all |
| Policy | Record (_dmarc.rfc1925.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none |
| www CNAME | rfc1925.dk (all on rfc1925.dk) |
| www vs bare domain | Same network rfc1925.dk: 152.53.182.91 2a0a:4cc0:c0:e343:e8e5:17ff:fe54:94ec (AS197540) www.rfc1925.dk: 152.53.182.91 2a0a:4cc0:c0:e343:e8e5:17ff:fe54:94ec (AS197540) |
| Wildcard | No |
DNS lookups: 2/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | broken trust chain resolving 'rfc1925.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2410965343 |
| Primary NS (MNAME) | adi.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2014-08-07 |
| Expires | 2029-08-31 (1048d) |
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).
| Domain | Registrar |
|---|---|
| newi.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 12:27:56 | 653ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-08 07:10:32 | 978ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-29 08:56:17 | 735ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-06 04:42:36 | 2555ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-25 12:53:15 | 2534ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-14 14:06:51 | 4847ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-01 05:27:53 shown | 1061ms | 2 NS 1 A 1 MX | ❓ Unknown |
| 2026-07-01 02:00:26 | 948ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 02:55:13 | 922ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 23:00:05 | 655ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 20:27:03 | 959ms | 2 NS 1 A 1 MX | 🔓 Insecure |