fatfur.dk is a .dk domain served by 2 nameservers (crystal.ns.cloudflare.com, felicity.ns.cloudflare.com). It was registered on 4 March 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.3.151 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.fatfur.dk. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.3.151 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.130.227 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 60s | mail.fatfur.dk | 217.12.150.9 | — | AS31027 GlobalConnect A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | mail.fatfur.dk → 217.12.150.9 |
| 🔶 Autoconfig | mail.fatfur.dk → 217.12.150.9 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:82e3 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::6815:397 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.3.151,172.67.130.227 ech=AEX+DQBBJgAgACBLqW6dHS0WNGRPgllF7G7nzY8QUnW4XzMNwtXaA+YFBQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:82e3,2606:4700:3036::6815:397 |
| TXT Record |
|---|
| v=spf1 a mx -all |
| Policy | Record (fatfur.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx -all |
| Policy | Record (_dmarc.fatfur.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:dmarc@fatfur.dk |
| www | 104.21.3.151 172.67.130.227 2606:4700:3031::ac43:82e3 2606:4700:3036::6815:397 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | Delete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| dkim | — | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 2/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2417381371 |
| Primary NS (MNAME) | crystal.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 | 2007-03-04 |
| Expires | 2027-03-31 (165d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 18:58:39 shown | 1294ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-10 16:48:42 | 2536ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-09 09:48:22 | 1271ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-05 04:51:14 | 1047ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-24 01:53:42 | 638ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-18 15:29:24 | 1399ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-02 09:27:19 | 1142ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-26 18:46:56 | 819ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-20 07:08:16 | 9891ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-11 08:04:51 | 4845ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-07 09:32:54 | 1175ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-23 09:55:49 | 1530ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-21 02:51:04 | 9070ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-19 06:21:44 | 1129ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-16 10:16:23 | 1021ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-10 17:26:12 | 1397ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-21 21:43:07 | 622ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-21 05:53:20 | 1065ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-21 01:52:54 | 3063ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 09:26:25 | 529ms | 2 NS 2 A 1 MX | 🔓 Insecure |