| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 18.116.171.3 | 3600s | ec2-18-116-171-3.us-east-2.compute.amazonaws.com | AS16509 | Amazon.com, Inc. | 18.112.0.0/12 | 🇺🇸 United States | Columbus |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx-dfw.smtp.directrouter.com | 3.23.202.173 | mx1-ohi.smtp.directrouter.com | AS16509 Amazon.com, Inc. |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026071202 |
| 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 | |
|---|---|---|---|---|
| 2026-08-25 21:59:58 | 2512ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-24 18:05:01 | 947ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-17 22:33:27 | 1200ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-02 00:19:37 | 865ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-16 14:08:11 | 484ms | 2 NS 1 A 1 MX | 🔒 Secure | View |