crush-it.dk is a .dk domain served by 2 nameservers (joel.ns.cloudflare.com, jule.ns.cloudflare.com). It was registered on 17 June 2026 (WHOIS) and first appeared in the .dk zone on 19 June 2026. Its website address 104.21.91.17 is hosted by Cloudflare, Inc. (AS13335). The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 104.21.91.17 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.207.234 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.67.207.234 |
| 🔶 Autoconfig | 172.67.207.234 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3035::ac43:cfea | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::6815:5b11 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.91.17,172.67.207.234 ech=AEX+DQBBBAAgACASL9cWwm8usnQJYTI8SMnx4M7BtZGkp2f/KxVN+iBJAAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:cfea,2606:4700:3037::6815:5b11 |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (crush-it.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.crush-it.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject |
| www | 104.21.91.17 172.67.207.234 2606:4700:3035::ac43:cfea 2606:4700:3037::6815:5b11 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network crush-it.dk: 104.21.91.17 172.67.207.234 2606:4700:3035::ac43:cfea 2606:4700:3037::6815:5b11 (AS13335) www.crush-it.dk: 104.21.91.17 172.67.207.234 2606:4700:3035::ac43:cfea 2606:4700:3037::6815:5b11 (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2417795608 |
| Primary NS (MNAME) | joel.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Eurodns S.A |
| Registered | 2026-06-17 |
| Expires | 2027-06-16 (239d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-18 19:49:48 shown | 637ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-24 17:46:18 | 2441ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-01 09:41:37 | 1082ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-08-30 18:03:23 | 1991ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-28 12:45:27 | 1037ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-18 21:14:24 | 2154ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-03 22:12:36 | 5208ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-02 21:56:57 | 454ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 02:13:55 | 323ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 14:35:11 | 1327ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 13:25:55 | 1888ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 23:38:53 | 952ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 08:43:19 | 2318ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 08:49:36 | 277ms | 0 NS 0 A 0 MX | ❓ Unknown |