| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 76.76.21.21 | 3599s | — | AS16509 | Amazon.com, Inc. | 76.76.21.0/24 | 🇺🇸 United States | Walnut |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 86400s | mail03.portsit.se | 193.14.90.173 | mail03.portsit.se | AS1257 Tele2 SWIPnet |
| 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 | 2025111700 |
| Primary NS (MNAME) | a.portsdns.se |
| Responsible (RNAME) | registry@ports.net |
| Refresh | 3600s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-28 18:20:31 | 2271ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-27 16:22:35 | 1088ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-23 01:05:53 | 869ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-20 04:04:26 | 2503ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-17 11:48:46 | 675ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |