cetek.dk is a .dk domain served by 2 nameservers (dimitris.ns.cloudflare.com, ursula.ns.cloudflare.com). It was registered on 11 June 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.70.89 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by cetek-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.70.89 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.222.43 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.67.222.43 |
| 🔶 Autoconfig | 172.67.222.43 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::ac43:de2b | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3032::6815:4659 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBBBQAgACARlf/16mqF0fEj+29zvnsA9lmak431rBaHqOmKvWW0aAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1 |
| TXT Record |
|---|
| MS=ms28536399 |
| v=spf1 ip4:178.157.255.161 include:spf.protection.outlook.com -all |
| Policy | Record (cetek.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:178.157.255.161 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.cetek.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; sp=none; adkim=r; aspf=r; rua=mailto:abuse@cetek.dk; ruf=mailto:abuse@cetek.dk; fo=0; pct=100; ri=86400 |
| www | 104.21.70.89 172.67.222.43 2606:4700:3030::ac43:de2b 2606:4700:3032::6815:4659 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 1/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.cetek.dk | b1Xwrsj3W03ClIB20BKjAzUqxJbPXPdWI3nP6xrQLdU |
| TXT | _acme-challenge.cetek.dk | l7lT7sCp4kP1lu0GXXrN5uD6WK895R_QkXgUdQkHuhM |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2417152918 |
| Primary NS (MNAME) | dimitris.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 | 2020-06-11 |
| Expires | 2027-06-30 (256d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 02:09:19 | 2258ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-10 23:52:37 shown | 1570ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 14:18:55 | 1198ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-24 13:21:53 | 1111ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-09 17:20:39 | 1456ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-01 06:34:36 | 987ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-14 09:49:28 | 2418ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-06 18:17:07 | 1668ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-09 03:29:10 | 2488ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-05 05:35:41 | 711ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-04 05:34:56 | 2492ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-03 11:00:08 | 417ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-26 00:39:56 | 6946ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-24 09:42:49 | 1140ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 20:10:32 | 800ms | 2 NS 2 A 1 MX | 🔓 Insecure |