| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns3.gullestrupnet.dk | 176.223.244.50 | server8.gullestrupnet.dk | AS39756 Easyhost Srl |
| ns4.gullestrupnet.dk | 176.223.244.74 | server8.gullestrupnet.dk | AS39756 Easyhost Srl |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 79.125.22.245 | 86400s | ec2-79-125-22-245.eu-west-1.compute.amazonaws.com | AS16509 | Amazon.com, Inc. | 79.125.0.0/17 | 🇮🇪 Ireland | Dublin |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 86400s | mail.gudmann.dk | 79.125.22.245 | ec2-79-125-22-245.eu-west-1.compute.amazonaws.com | AS16509 Amazon.com, Inc. |
| 20 | 86400s | backupmail.gullestrupnet.dk | 82.165.203.134 | mail51.gullestrupnet.dk | AS8560 IONOS SE |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _imaps._tcp | 0 | 0 | 993 | gudmann.dk |
| TXT Record |
|---|
| v=spf1 include:_spf.dotserv.com ip4:78.156.121.170 ip4:5.103.29.112 ~all |
| Policy | Record (gudmann.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.dotserv.com ip4:78.156.121.170 ip4:5.103.29.112 ~all |
| Policy | Record (_dmarc.gudmann.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; adkim=s; aspf=s |
| 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 | 2025012707 |
| Primary NS (MNAME) | ns3.gullestrupnet.dk |
| Responsible (RNAME) | hostmaster@gullestrupnet.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 10800s |