ska.dk is a .dk domain served by 2 nameservers (henry.ns.cloudflare.com, olga.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.49.149 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.ska.dk. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.49.149 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.164.108 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mail.ska.dk | 91.216.14.226 | mail.empdata.se | AS42638 Netvaerkssmeden |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::6815:3195 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::ac43:a46c | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.49.149,172.67.164.108 ech=AEX+DQBBmwAgACCHYwbzOvfOL1fh//PNHQwEJibN7vFsqwq7v91z8BpBRQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:3195,2606:4700:3033::ac43:a46c |
| TXT Record |
|---|
| v=spf1 ip4:91.216.14.226 include:ska.dk -all |
| Policy | Record (ska.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:91.216.14.226 include:ska.dk -all |
| Policy | Record (_dmarc.ska.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:ce7ccf54546c491cabbdd3e938083c52@dmarc-reports.cloudflare.net |
| www | 169.58.230.87 (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: 3/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.ska.dk | HdKuEz8CZrpD11TfUf7X3ZqIECzXpFqILa_L2O2qP28 |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2411258555 |
| Primary NS (MNAME) | henry.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 13:46:50 | 1980ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-23 15:59:40 | 753ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-06 11:57:52 | 868ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-30 18:28:37 | 1687ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-28 13:31:27 | 1357ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 12:00:09 | 835ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-25 05:04:24 | 9895ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-04 15:46:28 shown | 2900ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-11 04:59:53 | 1103ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-07 01:50:39 | 1102ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-02 21:44:01 | 962ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-26 16:23:36 | 894ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-20 04:02:48 | 4450ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-18 03:23:46 | 744ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-18 02:56:32 | 909ms | 2 NS 2 A 1 MX | 🔓 Insecure |