| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 20.50.64.13 | 600s | — | AS8075 | Microsoft Corporation | 20.48.0.0/12 | 🇮🇪 Ireland | Dublin |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms42991248 |
| v=spf1 include:spf.protection.outlook.com include:_custspf.one.com ip4:94.231.106.100 ip4:89.249.10.235 ip4:212.10.10.78 ip4:212.10.10.79 ip4:87.51.2.0/26 ip4:89.249.10.236 include:spf.incom-it.dk include:spf.comendosystems.com include:_spf-hosting.eg.dk -all |
| Policy | Record (cama-kollegierne.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:_custspf.one.com ip4:94.231.106.100 ip4:89.249.10.235 ip4:212.10.10.78 ip4:212.10.10.79 ip4:87.51.2.0/26 ip4:89.249.10.236 include:spf.incom-it.dk include:spf.comendosystems.com include:_spf-hosting.eg.dk -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 | |
|---|---|---|---|---|
| 2026-08-27 22:27:23 | 1072ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-26 17:59:54 | 977ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-14 12:22:47 | 3932ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-20 22:53:51 | 1602ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-14 21:51:12 | 1480ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-19 13:35:40 | 2642ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-16 18:55:19 | 874ms | 2 NS 1 A 2 MX | 🔒 Secure | View |