| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 3600s | 300isnit-dk.mail.protection.outlook.com | — | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.8 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 0 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| aa-verify=46eaaceba202873d31ff3f75692cd71c22233d53 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (300isnit.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026082401 |
| 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 | |
|---|---|---|---|---|
| 2026-08-26 17:59:49 | 1071ms | 2 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-07-25 10:27:51 | 8652ms | 2 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-07-11 01:43:01 | 5060ms | 2 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-06-28 13:40:05 | 623ms | 2 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-06-27 05:13:09 | 709ms | 2 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-06-25 09:34:59 | 2037ms | 2 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-06-19 13:57:04 | 5436ms | 2 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-06-16 13:11:33 | 6886ms | 2 NS 0 A 1 MX | 🔒 Secure | View |