erkælderbarenåben.dk is a .dk domain served by 2 nameservers (brett.ns.cloudflare.com, gwen.ns.cloudflare.com). It was registered on 7 October 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 192.38.77.104 is hosted by FSKNET-DK Forskningsnettet - Danish network for Research and Education (AS1835) in Denmark. The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 192.38.77.104 | 300s | pf.dtu.dk | AS1835 | FSKNET-DK Forskningsnettet - Danish network for Research and Education | 192.38.0.0/17 | 🇩🇰 Denmark | Brønshøj |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (erkælderbarenåben.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.erkælderbarenåben.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100; |
| Flags | Tag | Value |
|---|---|---|
| 0 | iodef | mailto:abuse@pf.dk |
| 0 | issue | letsencrypt.org |
| www | 192.38.77.104 (AS1835) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2417410966 |
| Primary NS (MNAME) | brett.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 | 2013-10-07 |
| Expires | 2027-01-31 (96d) |
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 |
|---|---|---|---|
| 2026-10-25 06:02:36 shown | 577ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-23 08:28:08 | 457ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-14 22:19:00 | 2693ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-01 07:19:12 | 733ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-29 17:55:50 | 628ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-21 15:13:16 | 1212ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-27 00:00:56 | 433ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-06 01:05:32 | 1179ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-10 14:12:55 | 1262ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-25 20:49:17 | 808ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-25 16:18:14 | 716ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-25 08:23:24 | 288ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 14:37:39 | 1018ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 16:41:22 | 473ms | 2 NS 1 A 0 MX | ⚠️ Bogus |
| 2026-06-17 08:10:56 | 385ms | 2 NS 1 A 0 MX | 🔒 Secure |