7f.dk is a .dk domain served by 3 nameservers (ns2.pd-house.com, ns5.pd-house.com, ns8.pd-house.com). It was registered on 28 November 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 130.225.231.43 is hosted by IDDQD-AS (AS1835) in Denmark. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 130.225.231.43 | 43200s | amd.x11.fsknet.dk | AS1835 | IDDQD-AS | 130.225.0.0/16 | 🇩🇰 Denmark | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2001:878:0:ff00::231:43 | 43200s | irc.7f.dk | AS1835 | IDDQD-AS | 2001:878:0:0:0:0:0:0/30 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| protonmail-verification=686ce31de51b1c4a38a821b7ac5073164f94ca41 |
| the cake is a lie |
| v=spf1 include:_spf.protonmail.ch a:mail1.pd-house.eu a:irc.7f.dk ~all |
| Policy | Record (7f.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch a:mail1.pd-house.eu a:irc.7f.dk ~all |
| Policy | Record (_dmarc.7f.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine |
| Flags | Tag | Value |
|---|---|---|
| 128 | issue | harica.gr |
| 128 | issue | letsencrypt.org |
| www | 130.225.231.43 (AS1835) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 4/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026052223 |
| Primary NS (MNAME) | ns2.pd-house.com |
| Responsible (RNAME) | amd@pd-house.info |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 3600000s |
| Minimum (neg-cache TTL) | 43200s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2004-11-28 |
| Expires | 2026-11-30 (44d) |
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 |
|---|---|
| pd-house.dk | Punktum dk A/S (direct) |
| uni-noc.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 14:55:53 | 10831ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-13 02:44:19 | 13210ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-09 00:29:51 | 9441ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-06 19:41:45 | 11021ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-05 14:52:01 | 9180ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-29 14:01:11 | 6976ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-15 10:46:45 | 10191ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-31 17:01:34 | 10384ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-24 16:55:10 | 3241ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-23 08:25:37 | 25146ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-22 08:11:58 | 24618ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-20 02:05:23 | 19302ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-18 23:18:11 | 34858ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-15 18:36:03 | 22133ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-13 21:38:37 | 10132ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-10 09:47:53 | 14662ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-08 23:01:16 | 10260ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-27 15:11:20 | 19875ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-26 14:27:22 | 24204ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-24 10:29:34 | 23655ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-23 05:09:36 | 24347ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-21 19:54:19 shown | 22849ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-20 18:21:38 | 13595ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-18 23:24:23 | 10891ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-17 23:19:52 | 12996ms | 3 NS 1 A 2 MX | 🔒 Secure |