ar2.dk is a .dk domain served by 2 nameservers (arely.ns.cloudflare.com, seth.ns.cloudflare.com). It was registered on 3 February 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.28.161 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by amir.mx.cloudflare.net, linda.mx.cloudflare.net 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 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 |
|---|---|---|---|---|---|---|---|
| 104.21.28.161 | 600s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.170.237 | 600s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3034::6815:1ca1 | 600s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::ac43:aaed | 600s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.28.161,172.67.170.237 ech=AEX+DQBBWgAgACBCtGFXclW1WWH8bDwySW9jXlRRohQgqqS/xFjcN5wOBgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:1ca1,2606:4700:3035::ac43:aaed |
| TXT Record |
|---|
| google-site-verification=93XGvNO9x8U7bbbwEtHa6F4vpsGfT2m8agj0INh7rpg |
| report abuse to l@ar2.dk |
| v=spf1 include:_spf.mx.cloudflare.net ~all |
| Policy | Record (ar2.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.mx.cloudflare.net ~all |
| Policy | Record (_dmarc.ar2.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:f86296c0a699448386e2da3a07f83ba1@dmarc-reports.cloudflare.net |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve ar2.dk: 104.21.28.161 172.67.170.237 2606:4700:3031::6815:1ca1 2606:4700:3035::ac43:aaed (AS13335) (all like this)www.ar2.dk: no address |
| Wildcard | No |
DNS lookups: 1/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.amir.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.amir.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| SMTP _25._tcp.amir.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.isaac.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.isaac.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.isaac.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| SMTP _25._tcp.linda.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| SMTP _25._tcp.linda.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.linda.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| 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 | 2405798483 |
| Primary NS (MNAME) | arely.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 | 2003-02-03 |
| Expires | 2027-02-28 (134d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-28 02:57:53 | 1044ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-16 15:27:37 | 4003ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-08 01:33:31 | 842ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-02 09:06:50 | 1518ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-25 01:54:23 shown | 1177ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-16 13:38:24 | 1175ms | 2 NS 2 A 3 MX | 🔓 Insecure |