rabit.dk is a .dk domain served by 2 nameservers (davina.ns.cloudflare.com, ken.ns.cloudflare.com). It was registered on 24 April 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.31.21 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by rabit-dk.mail.protection.outlook.com. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.31.21 | 600s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.174.168 | 600s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.152 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::ac43:aea8 | 600s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::6815:1f15 | 600s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.31.21,172.67.174.168 ech=AEX+DQBBoQAgACB/+vLS9k6Bir4o3pXU7PtIV1RhZw+ymD3RGGd4uFcpZgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:aea8,2606:4700:3037::6815:1f15 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms78135644 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (rabit.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve rabit.dk: 104.21.31.21 172.67.174.168 2606:4700:3033::ac43:aea8 2606:4700:3035::6815:1f15 (AS13335) (all like this)www.rabit.dk: no address |
| Wildcard | No |
DNS lookups: 1/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.rabit.dk | X0ZKGoTkLlRRkrySomvrNLZHnN2LJnJeFrm58fYRNus |
| TXT | _acme-challenge.rabit.dk | vr9hSxWzZJtfy0nCu-fJaDJUelRjHIW2nCh3Xs4rV6Y |
| 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 | 2407240910 |
| Primary NS (MNAME) | davina.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2003-04-24 |
| Expires | 2027-04-30 (193d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 04:03:47 | 978ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-01 03:55:32 | 821ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 19:07:19 | 3383ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-24 17:53:40 | 1317ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-23 16:33:05 | 1516ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-22 12:04:49 | 1032ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-17 00:54:14 | 1823ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-13 06:08:37 | 1405ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-12 01:41:58 | 1946ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-01 06:43:51 | 2155ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-28 11:23:01 | 9971ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-06 12:30:50 | 2246ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-23 20:07:56 | 25556ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-27 09:26:37 | 1272ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-25 15:31:34 | 895ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-20 15:16:09 | 1328ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-19 17:41:28 shown | 2332ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 12:04:09 | 1724ms | 2 NS 2 A 1 MX | 🔓 Insecure |