kug.dk is a .dk domain served by 2 nameservers (damiete.ns.cloudflare.com, ligia.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.38.190 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.kug.dk. The zone is DNSSEC-signed but currently fails validation, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.38.190 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.137.199 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 20 | 300s | mail.kug.dk | 176.9.98.16 | satrap.eu | AS24940 Hetzner Online GmbH |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.67.137.199 |
| 🔶 Autoconfig | 172.67.137.199 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::6815:26be | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3031::ac43:89c7 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.38.190,172.67.137.199 ech=AEX+DQBByAAgACBPF0m9T8Sj8yd73y9ytnkUxzjCT+nkzQj1abdfYTqFJQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:26be,2606:4700:3031::ac43:89c7 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _imaps._tcp | 0 | 0 | 993 | _dc-srv.1b64ecc604c3._imaps._tcp.kug.dk |
| TXT Record |
|---|
| v=spf1 +a +mx +a:satrap.eu -all |
| Policy | Record (kug.dk) |
|---|---|
| -all (hard fail) | v=spf1 +a +mx +a:satrap.eu -all |
| Policy | Record (_dmarc.kug.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www | 104.21.38.190 172.67.137.199 2606:4700:3030::6815:26be 2606:4700:3034::ac43:89c7 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 3/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | broken trust chain resolving 'kug.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2404787818 |
| Primary NS (MNAME) | damiete.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 16:15:28 | 8959ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-03 06:19:37 | 33492ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-01 06:06:21 | 33010ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-28 05:30:07 | 32818ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-24 04:12:04 | 33008ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-14 05:07:27 | 9200ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-07 19:07:59 | 9423ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-31 10:27:16 | 33072ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-29 21:48:09 | 34155ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-27 17:55:35 | 8734ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-24 22:32:03 | 6851ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-24 15:39:11 | 3657ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-23 23:37:13 | 936ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 13:23:09 shown | 9062ms | 2 NS 2 A 1 MX | ⚠️ Bogus |
| 2026-06-18 02:37:53 | 5065ms | 2 NS 2 A 1 MX | 🔓 Insecure |