| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 51.20.195.86 | 43200s | ec2-51-20-195-86.eu-north-1.compute.amazonaws.com | AS16509 | Amazon.com, Inc. | 51.20.0.0/14 | 🇸🇪 Sweden | Stockholm |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mail.xn--rred-fra.dk | 51.20.195.86 | ec2-51-20-195-86.eu-north-1.compute.amazonaws.com | AS16509 Amazon.com, Inc. |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 51.20.195.86 |
| 🔶 Autoconfig | 51.20.195.86 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081901 |
| 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 | |
|---|---|---|---|---|
| 2026-09-05 08:12:08 | 652ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-20 04:08:14 | 5176ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-15 00:46:13 | 1924ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-14 10:17:35 | 6624ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-03 07:24:18 | 632ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-26 23:59:51 | 1718ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-25 18:29:46 | 636ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-25 00:27:33 | 2330ms | 2 NS 1 A 1 MX | ⚠️ Bogus | View |
| 2026-06-20 20:52:34 | 1149ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-18 04:40:17 | 607ms | 2 NS 1 A 1 MX | 🔒 Secure | View |