| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 192.30.252.153 | 43200s | lb-192-30-252-153-iad.github.com | AS36459 | GitHub, Inc. | 192.30.252.0/22 | 🇺🇸 United States | — |
| 192.30.252.154 | 43200s | lb-192-30-252-154-iad.github.com | AS36459 | GitHub, Inc. | 192.30.252.0/22 | 🇺🇸 United States | — |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081201 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-28 03:10:47 | 858ms | 2 NS 2 A 5 MX | 🔒 Secure | View |
| 2026-08-14 01:41:04 | 3940ms | 2 NS 2 A 5 MX | 🔒 Secure | View |
| 2026-07-18 20:36:48 | 1085ms | 2 NS 2 A 5 MX | 🔒 Secure | View |
| 2026-07-14 21:00:04 | 14317ms | 2 NS 2 A 5 MX | 🔒 Secure | View |
| 2026-07-13 06:47:23 | 1400ms | 2 NS 2 A 5 MX | 🔒 Secure | View |
| 2026-06-29 21:18:00 | 1049ms | 2 NS 2 A 5 MX | 🔒 Secure | View |
| 2026-06-25 15:37:58 | 711ms | 2 NS 2 A 5 MX | 🔒 Secure | View |
| 2026-06-18 12:37:11 | 836ms | 2 NS 2 A 5 MX | 🔒 Secure | View |
| 2026-06-17 12:48:39 | 301ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-17 12:43:18 | 1256ms | 2 NS 2 A 5 MX | 🔒 Secure | View |