| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 172.104.241.123 | 600s | li1817-123.members.linode.com | AS63949 | Akamai Connected Cloud | 172.104.224.0/19 | 🇩🇪 Germany | Frankfurt am Main |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.8 |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com include:spf.system-team.net -all |
| Policy | Record (tandkvalitet.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:spf.system-team.net -all |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081201 |
| 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 16:22:33 | 1211ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-19 08:18:43 | 1257ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-13 16:07:08 | 10385ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-19 22:08:03 | 795ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 13:33:15 | 1312ms | 2 NS 1 A 1 MX | 🔒 Secure | View |