arrs.dk is a .dk domain served by 2 nameservers (sara.ns.cloudflare.com, todd.ns.cloudflare.com). It was registered on 14 September 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.5.64 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by smtp.danhost.dk. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 104.21.5.64 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.133.11 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | smtp.danhost.dk | 185.20.207.117 212.237.249.50 |
— mx1.dandomain.dk |
AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::ac43:850b | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3034::6815:540 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.5.64,172.67.133.11 ech=AEX+DQBBcwAgACAjXk6AULzQsLdPZCRy4/5oLpw1oLicPNrRbU8NQ9YaZwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:850b,2606:4700:3034::6815:540 |
| www | 104.21.5.64 172.67.133.11 2606:4700:3033::ac43:850b 2606:4700:3034::6815:540 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| 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 | 2417124754 |
| Primary NS (MNAME) | sara.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 | 2011-09-14 |
| Expires | 2027-09-30 (348d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-10 19:24:51 shown | 415ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-09 11:47:38 | 555ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-25 01:07:09 | 1355ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-17 04:12:51 | 689ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-06 07:58:09 | 759ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-07 14:46:10 | 1268ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-19 20:05:38 | 2094ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-27 19:28:18 | 1983ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-23 19:09:46 | 884ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-23 13:41:33 | 1131ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 13:41:31 | 748ms | 2 NS 2 A 1 MX | 🔓 Insecure |