auff.dk is a .dk domain served by 2 nameservers (ns3.au.dk, ns4.au.dk). It was registered on 8 September 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.45.20.48 is hosted by Aarhus Universitet (AS62138) in Denmark. Mail is handled by auff-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 185.45.20.48 | — | — | AS62138 | Aarhus Universitet | 185.45.20.0/22 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| _globalsign-domain-verification=8JjpEX-f4WqiYBNn9dhdP7jaU6-UAkPY8Cc7TaIJtu |
| _globalsign-domain-verification=f04HcVS_YqkE8EFoPdbZA0WanzaBzDCnDnyaMEBazm |
| MS=ms41072763 |
| n+HJ+G5k5RfClrilu5vynC1l/aEAFw0fhXzN7A2P6qetSLA11a/O7Gs46wzz6KHyQo2A4SlN1YO3jG/WTQTaFQ== |
| v=spf1 ip4:185.150.74.145 ip4:93.180.81.59 ip4:93.180.82.211 ip4:93.180.86.113 include:spf.comendosystems.com include:mail.techosting.dk include:spf.protection.outlook.com -all |
| Policy | Record (auff.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:185.150.74.145 ip4:93.180.81.59 ip4:93.180.82.211 ip4:93.180.86.113 include:spf.comendosystems.com include:mail.techosting.dk include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.auff.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:61dd4c279c4c7@dmarc.centerasecurity.com; |
| www | 185.45.20.48 (AS62138) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-auff-dk._domainkey.auff.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-auff-dk._domainkey.auff.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: 5/10 · 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 | 32 |
| Primary NS (MNAME) | infobloxgm3.au.dk |
| Responsible (RNAME) | auit-dns@au.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 900s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2009-09-08 |
| Expires | 2027-09-30 (348d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-27 20:16:24 | 3083ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-19 14:03:42 | 1191ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-10 13:30:43 | 1307ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 11:35:15 | 1980ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 23:57:08 | 852ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 20:39:57 | 917ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 14:01:20 | 702ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 02:21:50 | 2109ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-19 12:26:00 | 1098ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-19 02:14:03 | 2182ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 13:50:24 shown | 627ms | 2 NS 1 A 1 MX | 🔓 Insecure |