813.dk is a .dk domain served by 2 nameservers (simone.ns.cloudflare.com, skip.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.43.102 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.gigahost.dk, mx2.gigahost.dk and 1 more. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.43.102 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.178.6 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx1.gigahost.dk | 46.183.139.11 | mx1.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 300s | mx2.gigahost.dk | 46.183.139.12 | mx2.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 300s | mx3.gigahost.dk | 46.183.139.13 | mx3.gigahost.dk | AS47292 Sentia Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.67.178.6 |
| 🔶 Autoconfig | 104.21.43.102 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::ac43:b206 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::6815:2b66 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.43.102,172.67.178.6 ech=AEX+DQBB9AAgACABlv8poVg8MmrMxzu74xziBT3YmSa6WqVcq7Zg+llkKAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:b206,2606:4700:3037::6815:2b66 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | autodiscover.gigahost.dk |
| TXT Record |
|---|
| v=spf1 include:_spf.google.com include:spf.gigahost.dk ~all |
| Policy | Record (813.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.google.com include:spf.gigahost.dk ~all |
| Policy | Record (_dmarc.813.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:re+c1e0f2c4a52f@inbound.dmarcdigests.com; aspf=s; fo=1 |
| www | 104.21.43.102 172.67.178.6 2606:4700:3030::ac43:b206 2606:4700:3037::6815:2b66 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
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 | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2417485005 |
| Primary NS (MNAME) | simone.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 13:18:39 shown | 468ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-29 19:33:27 | 870ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-28 19:22:40 | 1506ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-28 00:43:36 | 2762ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-18 21:29:31 | 3712ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-17 14:11:41 | 5944ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-04 03:14:03 | 1229ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-28 08:05:28 | 1547ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-26 01:30:50 | 916ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-19 03:53:36 | 4875ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-16 12:52:17 | 1547ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-16 12:49:47 | 1679ms | 2 NS 2 A 3 MX | 🔓 Insecure |