| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 72.2.60.5 | 600s | h72-2-60-5.columbiawireless.ca | AS6327 | Shaw Communications | 72.2.32.0/19 | 🇨🇦 Canada | Calgary |
| 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 | 2026090201 |
| 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 | |
|---|---|---|---|---|
| 2026-09-03 16:46:26 | 877ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-28 02:51:10 | 745ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-14 19:10:30 | 4801ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-09 09:38:11 | 4947ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-02 17:11:18 | 8940ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-03 10:12:47 | 1125ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-24 12:28:17 | 1563ms | 2 NS 1 A 1 MX | ⚠️ Bogus | View |
| 2026-06-23 10:30:56 | 296ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-20 05:58:11 | 604ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-18 07:53:37 | 1254ms | 2 NS 1 A 0 MX | 🔒 Secure | View |