| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.199.108.153 | 3600s | cdn-185-199-108-153.github.com | AS54113 | Fastly, Inc. | 185.199.108.0/22 | 🇺🇸 United States | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026082201 |
| 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 | |
|---|---|---|---|---|
| 2026-08-23 02:47:15 | 568ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-11 12:15:25 | 4621ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-22 23:57:54 | 515ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-27 16:00:05 | 1262ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-26 13:09:46 | 527ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-16 13:20:31 | 659ms | 2 NS 1 A 0 MX | 🔒 Secure | View |