spilnudk.dk is a .dk domain served by 2 nameservers (joel.ns.cloudflare.com, jule.ns.cloudflare.com). It first appeared in the .dk zone on 17 June 2026. Its website address 104.21.79.33 is hosted by Cloudflare, Inc. (AS13335). The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 104.21.79.33 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.141.134 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.67.141.134 |
| 🔶 Autoconfig | 172.67.141.134 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::6815:4f21 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3030::ac43:8d86 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.79.33,172.67.141.134 ech=AEX+DQBBNAAgACDDE7vvsEGiLkfEtCjzs2dGyJs627jcF/KPm3RoWE9SLAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:4f21,2606:4700:3030::ac43:8d86 |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (spilnudk.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.spilnudk.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject |
| www | 104.21.79.33 172.67.141.134 2606:4700:3030::6815:4f21 2606:4700:3030::ac43:8d86 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network spilnudk.dk: 104.21.79.33 172.67.141.134 2606:4700:3030::6815:4f21 2606:4700:3030::ac43:8d86 (AS13335) www.spilnudk.dk: 104.21.79.33 172.67.141.134 2606:4700:3030::6815:4f21 2606:4700:3030::ac43:8d86 (AS13335) |
| 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 |
DNS lookups: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2415814432 |
| Primary NS (MNAME) | joel.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 21:15:11 shown | 547ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-26 03:44:49 | 671ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-13 15:34:59 | 1754ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-08 17:40:00 | 1998ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-08-21 05:36:39 | 742ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-30 23:33:45 | 896ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-22 05:51:22 | 2921ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 09:10:12 | 684ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 07:41:42 | 2549ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 17:54:51 | 1775ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 19:41:13 | 1774ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 08:36:35 | 338ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 20:55:21 | 1831ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 20:34:24 | 1721ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 20:11:21 | 1604ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 19:54:30 | 1434ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 19:37:10 | 1476ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 19:14:24 | 1603ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 18:58:53 | 1687ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 18:34:05 | 1883ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 18:16:14 | 1712ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 17:52:54 | 1763ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 17:35:26 | 1624ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 17:11:04 | 1686ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 16:39:57 | 2189ms | 0 NS 0 A 0 MX | ❓ Unknown |