google-optimering.dk is a .dk domain served by 2 nameservers (everton.ns.cloudflare.com, linda.ns.cloudflare.com). It was registered on 5 March 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.48.210 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by .. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 104.21.48.210 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.137.118 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::ac43:8976 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::6815:30d2 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.48.210,172.67.137.118 ech=AEX+DQBBLwAgACDlmVUwD8Cq+WE29nBlLYRha2RDsR2VrAziDRdPTa9jUAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8976,2606:4700:3037::6815:30d2 |
| www | 104.21.48.210 172.67.137.118 2606:4700:3030::ac43:8976 2606:4700:3037::6815:30d2 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network google-optimering.dk: 104.21.48.210 172.67.137.118 2606:4700:3030::ac43:8976 2606:4700:3037::6815:30d2 (AS13335) www.google-optimering.dk: 104.21.48.210 172.67.137.118 2606:4700:3030::ac43:8976 2606:4700:3037::6815:30d2 (AS13335) |
| Wildcard | No |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.google-optimering.dk | 5f1MZzBVk_jWmK9huh_nysLcinPzyKiCCa3KX4naHYw |
| TXT | _acme-challenge.google-optimering.dk | 9IBlkp-H5hJDIsj5ie-EJbqWHH7hTcjXKQycSFGsgDU |
| 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 | 2413398479 |
| Primary NS (MNAME) | everton.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2025-03-05 |
| Expires | 2027-03-04 (135d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 02:18:45 | 2781ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-27 12:20:58 | 578ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-18 21:38:43 | 1391ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-09 22:13:21 | 1211ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-04 00:53:28 shown | 580ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-28 22:32:54 | 1061ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-27 20:30:51 | 541ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-26 20:16:36 | 2816ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-24 16:07:11 | 1035ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-20 13:24:34 | 6396ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-18 13:14:11 | 1134ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-15 15:49:41 | 9721ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-25 09:18:09 | 747ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-22 17:52:07 | 1121ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 10:27:20 | 1256ms | 2 NS 2 A 0 MX | 🔓 Insecure |