| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.aau.dk | 130.225.52.5 2001:878:300:1::5 |
ns1.aau.dk ns1.aau.dk |
AS1835 IDDQD-AS AS1835 IDDQD-AS |
| ns2.aau.dk | 130.225.54.5 2001:878:300:100::5 |
ns2.aau.dk ns2.aau.dk |
AS1835 IDDQD-AS AS1835 IDDQD-AS |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 130.225.57.55 | 3600s | — | AS1835 | IDDQD-AS | 130.225.0.0/16 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 3600s | . Null MX — domain accepts no email (RFC 7505) | |||
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (gbl21.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.gbl21.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.gbl21.dk | 410161f6-5038-4bcf-a6ce-4a4f19464b37.acme.aau.dk |
| TXT | 410161f6-5038-4bcf-a6ce-4a4f19464b37.acme.aau.dk | 7eI8g72uWwSyzJGE1Nn3-yohbbr4xNK3gc1Vk8WZWH4 |
| TXT | 410161f6-5038-4bcf-a6ce-4a4f19464b37.acme.aau.dk | BZytUVfhGL2ty1rkeBxcwlUPJWeYI8miahlSta-3G5g |
| 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 | 2023091901 |
| Primary NS (MNAME) | ns1.aau.dk |
| Responsible (RNAME) | hostmaster@its.aau.dk |
| Refresh | 3600s |
| Retry | 900s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |