aarhusdans.dk is a .dk domain served by 2 nameservers (duke.ns.cloudflare.com, kiki.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.31.227 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aarhusdans-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 |
|---|---|---|---|---|---|---|---|
| 104.21.31.227 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.180.94 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.67.180.94 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3034::6815:1fe3 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::ac43:b45e | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.31.227,172.67.180.94 ech=AEX+DQBBewAgACDjsCJ3IKSEetdMywKMAYbD1aZxQ8p+Gu7WpG+cZxsQfAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:1fe3,2606:4700:3035::ac43:b45e |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| v=spf1 ip4:84.19.174.8 include:_spf.hostonline.dk include:spf.protection.outlook.com include:_custspf.one.com -all |
| Policy | Record (aarhusdans.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:84.19.174.8 include:_spf.hostonline.dk include:spf.protection.outlook.com include:_custspf.one.com -all |
| www | 104.21.31.227 172.67.180.94 2606:4700:3034::6815:1fe3 2606:4700:3035::ac43:b45e (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network aarhusdans.dk: 104.21.31.227 172.67.180.94 2606:4700:3034::6815:1fe3 2606:4700:3035::ac43:b45e (AS13335) www.aarhusdans.dk: 104.21.31.227 172.67.180.94 2606:4700:3034::6815:1fe3 2606:4700:3035::ac43:b45e (AS13335) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-aarhusdans-dk._domainkey.aarhusdans.a-v1.dkim.mail.microsoft | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 6/10 · 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 | 2410101039 |
| Primary NS (MNAME) | duke.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 03:38:17 | 696ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-20 18:40:53 | 1170ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-19 03:16:50 | 1527ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-20 03:02:59 | 10731ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-21 22:58:12 shown | 1446ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-24 16:04:33 | 2751ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-22 01:33:02 | 747ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-16 12:50:40 | 1630ms | 2 NS 2 A 1 MX | 🔓 Insecure |