cossi.dk is a .dk domain served by 2 nameservers (alex.ns.cloudflare.com, aryanna.ns.cloudflare.com). It was registered on 22 January 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.74.237 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. The zone is DNSSEC-signed but currently fails validation, has no 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| alex.ns.cloudflare.com | — | — | — |
| aryanna.ns.cloudflare.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.74.237 | — | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.164.162 | — | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::6815:4aed | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3031::ac43:a4a2 | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.74.237,172.67.164.162 ech=AEX+DQBBAgAgACDurI0kjS+pgI4tREFXZNZReDzCEtZ7GTrS4X0Uec/8AwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:4aed,2606:4700:3031::ac43:a4a2 |
| www | 104.21.74.237 172.67.164.162 2606:4700:3031::ac43:a4a2 2606:4700:3032::6815:4aed (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | broken trust chain resolving 'cossi.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2405899768 |
| Primary NS (MNAME) | alex.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 | 2007-01-22 |
| Expires | 2027-01-31 (104d) |
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 |
|---|---|
| agdrupskoven.dk | Punktum dk A/S (direct) |
| sommerhuslan.dk | Punktum dk A/S (direct) |
| wankerpapir.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 00:49:46 | 1545ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-10-01 06:25:11 | 1077ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-09-24 22:40:51 | 968ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-09-23 09:07:18 | 828ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-09-13 15:53:28 | 1793ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-09-05 06:25:21 | 3520ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-08-29 05:56:38 | 2129ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-08-25 20:18:34 | 1062ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-08-05 00:02:56 | 1989ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-07-12 18:08:23 | 1552ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-07-04 15:58:37 | 9396ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-06-27 06:23:16 | 1180ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-06-19 06:42:26 | 1435ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-06-16 22:42:30 shown | 2751ms | 2 NS 2 A 7 MX | ⚠️ Bogus |
| 2026-06-16 22:31:14 | 820ms | 2 NS 2 A 7 MX | 🔒 Secure |