| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 89.239.230.74 | 600s | 89.239.230.74.dhcp.fibianet.dk | AS44869 | FIBIA P/S | 89.239.192.0/18 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com ip4:77.221.255.10 ip4:87.116.2.222 ip4:188.176.1.43 ip4:81.201.223.0/24 ip4:184.107.113.0/24 include:carmamail.com include:spf.comendosystems.com include:servers.mcsv.net a:relay.systemhosting.dk -all |
| Policy | Record (oliering.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com ip4:77.221.255.10 ip4:87.116.2.222 ip4:188.176.1.43 ip4:81.201.223.0/24 ip4:184.107.113.0/24 include:carmamail.com include:spf.comendosystems.com include:servers.mcsv.net a:relay.systemhosting.dk -all |
| 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 | |
|---|---|---|---|---|
| 2026-08-25 23:23:48 | 616ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-11 15:02:52 | 578ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-17 16:12:14 | 641ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-13 05:34:16 | 628ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-21 06:48:36 | 435ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-19 05:20:00 | 482ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-18 05:21:44 | 639ms | 2 NS 1 A 0 MX | 🔒 Secure | View |