| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 76.76.21.21 | 86400s | — | AS16509 | Amazon.com, Inc. | 76.76.21.0/24 | 🇺🇸 United States | Walnut |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 60s | mail.wihlborg.dk | 83.91.247.218 | — | AS3292 TDC Holding A/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 | 2026061504 |
| Primary NS (MNAME) | ns1.markydot.com |
| Responsible (RNAME) | do-not-reply@wihlborg.dk |
| Refresh | 43200s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-09-02 11:58:41 | 809ms | 4 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-28 11:09:17 | 9557ms | 4 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-25 16:07:16 | 2572ms | 4 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-10 19:06:07 | 3508ms | 4 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-17 17:37:41 | 974ms | 4 NS 1 A 1 MX | 🔓 Insecure | View |