| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.21.40.26 | 3600s | mail.csnt.dk | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| 🔶 Autoconfig | 185.21.40.26 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| v=spf1 include:_spf.mlsend.com include:spf.hostingconnection.eu include:spectra-systems.eu include:spf.protection.outlook.com ip4:185.21.40.26 ip4:2.109.56.18 ip4:93.167.197.93 -all |
| Policy | Record (sonderborgstrand.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.mlsend.com include:spf.hostingconnection.eu include:spectra-systems.eu include:spf.protection.outlook.com ip4:185.21.40.26 ip4:2.109.56.18 ip4:93.167.197.93 -all |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026052101 |
| Primary NS (MNAME) | ns1.curanet.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |