sereal.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 29 June 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.228.79.26 is hosted by Lyse Tele (AS29695) in Denmark. Mail is handled by mail.sereal.dk. The zone is DNSSEC-signed but currently fails validation, has no DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 188.228.79.26 | 600s | gw.takeonestudios.dk | AS29695 | Lyse Tele | 188.228.79.0/24 | 🇩🇰 Denmark | Thisted |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 21600s | mail.sereal.dk | 188.228.79.26 | gw.takeonestudios.dk | AS214875 Altibox Danmark AS |
| www | 188.228.79.26 (AS29695) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | broken trust chain resolving 'sereal.dk/DNSKEY/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2026040401 |
| 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 | 2009-06-29 |
| Expires | 2027-06-30 (255d) |
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 |
|---|---|---|---|
| 2026-10-01 20:32:34 | 1925ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 20:18:54 | 519ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 08:26:56 | 1219ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 07:56:26 | 540ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 02:45:22 | 865ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-04 15:15:52 | 4175ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 22:56:43 shown | 612ms | 2 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-17 11:36:56 | 1259ms | 2 NS 1 A 1 MX | 🔒 Secure |