thirtyeight.dk is a .dk domain served by 2 nameservers (kia.ns.cloudflare.com, malcolm.ns.cloudflare.com). It was registered on 15 April 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.88.231 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 and validates, has no 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 |
|---|---|---|---|---|---|---|---|
| 104.21.88.231 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.153.162 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.67.153.162 |
| 🔶 Autoconfig | 172.67.153.162 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3035::6815:58e7 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::ac43:99a2 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.88.231,172.67.153.162 ech=AEX+DQBBfAAgACBkVpA/zTSZWKKXbIWzMIbvY3HhrHjbKrAOeMNn2n3VGwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:58e7,2606:4700:3035::ac43:99a2 |
| TXT Record |
|---|
| v=spf1 include:_spf.google.com ~all |
| Policy | Record (thirtyeight.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.google.com ~all |
| www | 104.21.88.231 172.67.153.162 2606:4700:3035::6815:58e7 2606:4700:3035::ac43:99a2 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network thirtyeight.dk: 104.21.88.231 172.67.153.162 2606:4700:3035::6815:58e7 2606:4700:3035::ac43:99a2 (AS13335) www.thirtyeight.dk: 104.21.88.231 172.67.153.162 2606:4700:3035::6815:58e7 2606:4700:3035::ac43:99a2 (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: 1/10 · 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 | 2417648898 |
| Primary NS (MNAME) | kia.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 | 2010-04-15 |
| Expires | 2027-04-30 (194d) |
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 |
|---|---|
| activeart.dk | Punktum dk A/S (direct) |
| kimconsult.dk | Punktum dk A/S (direct) |
| negative.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-17 08:14:46 shown | 2773ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-10-16 07:52:19 | 1521ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-09-29 18:06:28 | 770ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-09-24 20:14:58 | 1017ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-09-07 05:30:51 | 2997ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-08-19 07:41:56 | 37461ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-08-18 06:24:41 | 6499ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-08-10 00:37:04 | 2361ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-07-15 00:44:49 | 1934ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-06-23 06:00:16 | 1217ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-06-21 09:05:27 | 1634ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-06-17 15:17:58 | 1453ms | 2 NS 2 A 7 MX | 🔓 Insecure |