academyaarhus.dk is a .dk domain served by 3 nameservers (ns.efif.dk, ns2.efif.dk, ns3.efif.dk). It was registered on 15 December 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 52.232.87.92 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by academyaarhus-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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns.efif.dk | 195.254.168.23 | ns.efif.dk | AS51073 Aarhus Business College |
| ns2.efif.dk | 195.254.168.12 | ns2.efif.dk | AS51073 Aarhus Business College |
| ns3.efif.dk | 20.23.170.35 | — | AS8075 Microsoft Corporation |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 52.232.87.92 | 300s | — | AS8075 | Microsoft Corporation | 52.224.0.0/11 | 🇳🇱 The Netherlands | Amsterdam |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | webmail.efif.dk |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | webmail.efif.dk |
| TXT Record |
|---|
| 4cyM1qDUxtxsi80TElbywxm0awFqaEvFGFPfnbpP4Pbdnyqyjwr7eXJfAuqEe9Xnci6ufWbi/ydrmmoyKyCv0A== |
| Erhvervsakademi Århus |
| MS=ms35850532 |
| v=spf1 include:spf.protection.outlook.com include:spf.ymem.net include:sharepointonline.com include:_spf2.efif.dk -all |
| Policy | Record (academyaarhus.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:spf.ymem.net include:sharepointonline.com include:_spf2.efif.dk -all |
| Policy | Record (_dmarc.academyaarhus.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100; ruf=mailto:analyze@efif.dk; rua=mailto:64e88d13a948b@dmarc.centerasecurity.com |
| www CNAME | academyaarhus.dk (all on academyaarhus.dk) → 52.232.87.92 (AS8075) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 50 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-academyaarhus-dk._domainkey.efif.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-academyaarhus-dk._domainkey.efif.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: 10/10 · policy: -all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2014092656 |
| Primary NS (MNAME) | ns.efif.dk |
| Responsible (RNAME) | dns-zc@efif.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2008-12-15 |
| Expires | 2026-12-31 (75d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 19:41:12 shown | 7152ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-10 11:55:33 | 4029ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-10 10:49:51 | 1486ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 09:00:18 | 1167ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 00:47:39 | 1466ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 00:45:42 | 1029ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 10:53:49 | 1377ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 10:52:04 | 3217ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 10:05:16 | 1357ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 09:54:13 | 9626ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 19:07:01 | 2414ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-17 00:10:18 | 2722ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-09 22:53:56 | 3154ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-07 20:16:53 | 1346ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-30 18:54:41 | 1192ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-29 13:15:38 | 634ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 10:02:37 | 1377ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 21:49:31 | 1056ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-25 00:13:05 | 1768ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-21 17:19:43 | 3517ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-19 06:56:00 | 10729ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-13 01:59:19 | 1307ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-07 08:56:29 | 3222ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-05 22:47:33 | 3275ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-26 16:22:11 | 3765ms | 3 NS 1 A 1 MX | 🔒 Secure |