aarhusnet.dk is a .dk domain served by 2 nameservers (leif.ns.cloudflare.com, michelle.ns.cloudflare.com). It was registered on 27 March 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.38.196 is hosted by Cloudflare, Inc. (AS13335). 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 |
|---|---|---|---|---|---|---|---|
| 104.21.38.196 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.138.31 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.38.196 |
| 🔶 Autoconfig | 172.67.138.31 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3034::6815:26c4 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::ac43:8a1f | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.38.196,172.67.138.31 ech=AEX+DQBBJgAgACBS20qKQr2J9ago8oYiexT1lzyRIbfVKwCw+cFB+9/GOQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:26c4,2606:4700:3036::ac43:8a1f |
| www | 104.21.38.196 172.67.138.31 2606:4700:3034::6815:26c4 2606:4700:3036::ac43:8a1f (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network aarhusnet.dk: 104.21.38.196 172.67.138.31 2606:4700:3034::6815:26c4 2606:4700:3036::ac43:8a1f (AS13335) www.aarhusnet.dk: 104.21.38.196 172.67.138.31 2606:4700:3034::6815:26c4 2606:4700:3036::ac43:8a1f (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| 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 | 2414138419 |
| Primary NS (MNAME) | leif.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | CURANET A/S |
| Registered | 2020-03-27 |
| Expires | 2028-03-31 (530d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-04 05:36:05 shown | 506ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-24 00:44:45 | 739ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-13 23:50:56 | 9954ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-12 19:51:39 | 1373ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-05 18:46:33 | 836ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-28 01:51:11 | 633ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-26 18:15:17 | 609ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-06 21:03:17 | 914ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-04 15:12:21 | 2200ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-03 12:04:32 | 700ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-01 22:53:58 | 495ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-28 22:02:37 | 667ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-21 00:37:19 | 593ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 12:36:19 | 887ms | 2 NS 1 A 4 MX | 🔒 Secure |