cbrainf2.dk is a .dk domain served by 2 nameservers (johnny.ns.cloudflare.com, novalee.ns.cloudflare.com). It was registered on 20 May 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.45.112 is hosted by Cloudflare, Inc. (AS13335). 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 |
|---|---|---|---|---|---|---|---|
| 104.21.45.112 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.213.145 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:2d70 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3031::ac43:d591 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.45.112,172.67.213.145 ech=AEX+DQBBGQAgACBrJ96InNwWTYSATlTsB1MQFF1GV214wknOgnJRMG9JLgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:2d70,2606:4700:3031::ac43:d591 |
| www | 104.21.45.112 172.67.213.145 2606:4700:3031::6815:2d70 2606:4700:3031::ac43:d591 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network cbrainf2.dk: 104.21.45.112 172.67.213.145 2606:4700:3031::6815:2d70 2606:4700:3031::ac43:d591 (AS13335) www.cbrainf2.dk: 104.21.45.112 172.67.213.145 2606:4700:3031::6815:2d70 2606:4700:3031::ac43:d591 (AS13335) |
| Wildcard | No |
| 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 | 2415417563 |
| Primary NS (MNAME) | johnny.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Domeneshop AS |
| Registered | 2015-05-20 |
| Expires | 2030-05-31 (1322d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-11 05:48:47 | 1529ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-29 22:56:27 | 466ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-26 21:46:32 shown | 2462ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-23 14:17:03 | 2312ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-15 21:15:42 | 538ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-13 16:12:58 | 1769ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-22 10:15:02 | 9622ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-06-28 04:51:41 | 1895ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-25 10:49:18 | 783ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-25 09:19:14 | 962ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-19 15:11:04 | 773ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-16 19:50:14 | 442ms | 2 NS 2 A 0 MX | 🔓 Insecure |