crpsupport.dk is a .dk domain served by 2 nameservers (lex.ns.cloudflare.com, mona.ns.cloudflare.com). It was registered on 21 January 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.11.248 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| lex.ns.cloudflare.com | — | — | — |
| mona.ns.cloudflare.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.11.248 | — | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.150.205 | — | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:bf8 | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3031::ac43:96cd | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.11.248,172.67.150.205 ech=AEX+DQBBAgAgACDurI0kjS+pgI4tREFXZNZReDzCEtZ7GTrS4X0Uec/8AwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:bf8,2606:4700:3031::ac43:96cd |
| TXT Record |
|---|
| protonmail-verification=0aba01e41755cbee1957edafac65465800c6c493 |
| v=spf1 include:_spf.protonmail.ch mx ~all |
| Policy | Record (crpsupport.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch mx ~all |
| www | 104.21.11.248 172.67.150.205 2606:4700:3031::6815:bf8 2606:4700:3032::ac43:96cd (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network crpsupport.dk: 104.21.11.248 172.67.150.205 2606:4700:3031::6815:bf8 2606:4700:3032::ac43:96cd (AS13335) www.crpsupport.dk: 104.21.11.248 172.67.150.205 2606:4700:3031::6815:bf8 2606:4700:3032::ac43:96cd (AS13335) |
| Wildcard | No |
DNS lookups: 3/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| 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 | 2403997245 |
| Primary NS (MNAME) | lex.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 | 2008-01-21 |
| Expires | 2027-01-31 (105d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-27 22:36:40 | 940ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-17 07:13:05 | 1582ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-07 17:44:43 | 2582ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-07 13:14:31 | 1151ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-18 02:51:18 | 9135ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-10 18:27:27 | 3556ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-03 01:12:40 | 1291ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-25 12:27:24 | 3687ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-16 23:23:33 | 2531ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-16 23:00:28 shown | 1263ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-16 23:00:04 | 1110ms | 2 NS 2 A 2 MX | ❓ Unknown |