| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 83.89.250.74 | 600s | 0x5359fa4a.static.cust.fastspeed.dk | AS3292 | TDC Holding A/S | 83.89.0.0/16 | 🇩🇰 Denmark | Skovlunde |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 83.89.250.74 |
| 🔶 Autoconfig | 83.89.250.74 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081101 |
| 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 | |
|---|---|---|---|---|
| 2026-08-12 15:05:32 | 646ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-18 05:27:33 | 8513ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-17 05:11:31 | 6475ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-12 20:59:55 | 676ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-24 09:57:07 | 2794ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-24 05:05:10 | 913ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-16 14:12:45 | 566ms | 2 NS 1 A 0 MX | 🔒 Secure | View |