| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| dns21.register.com | 162.159.27.248 | — | AS13335 Cloudflare, Inc. |
| dns22.register.com | 162.159.26.197 | — | AS13335 Cloudflare, Inc. |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 216.21.239.197 | 21599s | — | — | — | — | 🇺🇸 United States | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 216.21.239.197 |
| 🔶 Autoconfig | 216.21.239.197 |
| 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 | 200502064 |
| Primary NS (MNAME) | dns21.register.com |
| Responsible (RNAME) | root@register.com |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 21600s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-06-26 18:21:55 | 3300ms | 2 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-06-23 12:44:26 | 5484ms | 2 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-06-22 05:58:33 | 2141ms | 2 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-06-22 00:07:52 | 937ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-21 11:51:13 | 6418ms | 2 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-06-20 02:42:11 | 7628ms | 2 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-06-17 04:37:59 | 5989ms | 2 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-06-17 04:30:31 | 1521ms | 2 NS 1 A 0 MX | 🔓 Insecure | View |