certick.dk is a .dk domain served by 2 nameservers (karina.ns.cloudflare.com, mike.ns.cloudflare.com). It first appeared in the .dk zone on 17 September 2026. Its website address 104.21.9.191 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 |
|---|---|---|---|---|---|---|---|
| 104.21.9.191 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.189.134 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3036::6815:9bf | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::ac43:bd86 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.9.191,172.67.189.134 ech=AEX+DQBBIgAgACC/Rw66RcIlQ8mL65L/llbeOlyupDY1c7fpboEc4ABIeAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::6815:9bf,2606:4700:3037::ac43:bd86 |
| www | 104.21.9.191 172.67.189.134 2606:4700:3036::6815:9bf 2606:4700:3037::ac43:bd86 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| 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 | 2415739159 |
| Primary NS (MNAME) | karina.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 13:21:47 | 918ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-01 00:33:07 | 610ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-26 00:30:15 | 9491ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-24 17:10:08 shown | 1232ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-23 16:28:21 | 609ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-19 12:54:34 | 653ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-17 09:27:06 | 690ms | 2 NS 0 A 0 MX | 🔓 Insecure |