| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| pdns1.ultradns.net | — | — | — |
| pdns2.ultradns.net | — | — | — |
| pdns3.ultradns.org | — | — | — |
| pdns4.ultradns.org | — | — | — |
| pdns5.ultradns.info | — | — | — |
| pdns6.ultradns.co.uk | — | — | — |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2023030601 |
| Primary NS (MNAME) | pdns1.ultradns.net |
| Responsible (RNAME) | purvesh@adua.thermofisher.com |
| Refresh | 86400s |
| Retry | 86400s |
| Expire | 86400s |
| Minimum (neg-cache TTL) | 86400s |