x3n.dk is a .dk domain served by 2 nameservers (daphne.ns.cloudflare.com, julio.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.76.97 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.krystal.co.uk, mx2.krystal.co.uk. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.76.97 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.192.171 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx1.krystal.co.uk | 185.53.56.44 185.53.56.46 |
mx1.strikemail.co.uk mx1.strikemail.co.uk |
AS12488 Krystal Hosting Ltd AS12488 Krystal Hosting Ltd |
| 20 | 300s | mx2.krystal.co.uk | 185.53.56.45 185.53.56.47 |
mx2.strikemail.co.uk mx2.strikemail.co.uk |
AS12488 Krystal Hosting Ltd AS12488 Krystal Hosting Ltd |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.67.192.171 |
| 🔶 Autoconfig | 104.21.76.97 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:4c61 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::ac43:c0ab | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.76.97,172.67.192.171 ech=AEX+DQBB+AAgACDdKTlRNGZ6DdpOSYBPmrCjIdkQlJwxfeZmI1Ge4dksLAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:4c61,2606:4700:3037::ac43:c0ab |
| TXT Record |
|---|
| v=spf1 include:krystal.co.uk ~all |
| Policy | Record (x3n.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:krystal.co.uk ~all |
| www | 104.21.76.97 172.67.192.171 2606:4700:3031::6815:4c61 2606:4700:3037::ac43:c0ab (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 6/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.x3n.dk | 4YQbjIDDBtO4nHX09Z2qiuHJX7sBjg9whu4b_HOJxKQ |
| TXT | _acme-challenge.x3n.dk | BqBkof_yaG_dDzi7qizde8wc5v8kJiX1AggKasorryY |
| 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 | 2413604104 |
| Primary NS (MNAME) | daphne.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 21:26:19 | 1182ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-16 23:56:06 | 2585ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-08 04:53:17 | 2215ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-31 22:15:14 shown | 1169ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-28 05:50:47 | 1308ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-21 05:59:58 | 10583ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-30 12:31:22 | 26037ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-26 18:48:25 | 2480ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-25 13:40:48 | 1578ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-17 13:40:35 | 2302ms | 2 NS 2 A 2 MX | 🔓 Insecure |