vaccinationstjek.dk is a .dk domain served by 2 nameservers (alaric.ns.cloudflare.com, kira.ns.cloudflare.com). It was registered on 17 March 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.26.192 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 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 |
|---|---|---|---|---|---|---|---|
| 104.21.26.192 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.138.150 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:8a96 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::6815:1ac0 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.26.192,172.67.138.150 ech=AEX+DQBBEAAgACCXGxdQTSe94cpHhbLtpwWbCkVGSKQ5XRJJ/nLxjKWXHQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:8a96,2606:4700:3037::6815:1ac0 |
| www | 104.21.26.192 172.67.138.150 2606:4700:3031::ac43:8a96 2606:4700:3037::6815:1ac0 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network vaccinationstjek.dk: 104.21.26.192 172.67.138.150 2606:4700:3031::ac43:8a96 2606:4700:3037::6815:1ac0 (AS13335) www.vaccinationstjek.dk: 104.21.26.192 172.67.138.150 2606:4700:3031::ac43:8a96 2606:4700:3037::6815:1ac0 (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 | 2417583326 |
| Primary NS (MNAME) | alaric.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2026-03-17 |
| Expires | 2027-03-16 (149d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 17:14:43 shown | 378ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-15 14:59:03 | 1545ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-14 10:23:37 | 1560ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-12 00:36:04 | 452ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-10 20:41:20 | 492ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-09 18:32:45 | 1851ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-25 14:19:00 | 518ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-19 00:39:51 | 586ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-13 09:14:28 | 9883ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-21 21:30:50 | 8716ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-29 21:13:52 | 795ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-19 02:30:02 | 1136ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-17 23:02:20 | 2604ms | 2 NS 2 A 0 MX | 🔓 Insecure |