aav.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 17 September 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 20.126.78.209 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by aav-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 20.126.78.209 | 3104s | — | AS8075 | Microsoft Corporation | 20.64.0.0/10 | 🇳🇱 The Netherlands | Amsterdam |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.152 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| v=spf1 ip4:194.255.110.29 include:_spf.centerasecurity.dk include:spf.protection.outlook.com -all |
| Policy | Record (aav.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:194.255.110.29 include:_spf.centerasecurity.dk include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.aav.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:65291fca9f6b4@dmarc.centerasecurity.com; |
| www CNAME | aav.dk (all on aav.dk) → 20.126.78.209 (AS8075) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-aav-dk._domainkey.danskhv.onmicrosoft.com | RSA · ~1024 bit below 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: 2/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026093000 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 1999-09-17 |
| Expires | 2027-09-30 (347d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 07:26:48 | 1067ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 22:48:05 shown | 3860ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-14 16:26:37 | 634ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-09 00:59:55 | 1378ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-01 13:29:19 | 7515ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 06:06:02 | 1106ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-01 01:20:30 | 1091ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 00:43:43 | 3094ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 13:10:39 | 690ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 12:44:26 | 631ms | 4 NS 1 A 1 MX | 🔒 Secure |