| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.c-system.dk | 49.12.60.90 | ns1.c-system.dk | AS24940 Hetzner Online GmbH |
| ns2.c-system.dk | 49.12.60.94 | ns2.c-system.dk | AS24940 Hetzner Online GmbH |
| ns3.c-system.dk | 130.162.220.97 | — | AS31898 Oracle Corporation |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 13.48.34.152 | 38400s | ec2-13-48-34-152.eu-north-1.compute.amazonaws.com | AS16509 | Amazon.com, Inc. | 13.32.0.0/11 | 🇸🇪 Sweden | Stockholm |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 38400s | easycard-online.dk.mail.protection.outlook.com | — | — | — |
| 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 |
|---|
| v=spf1 a:mailgw1.c-system.dk a:mailgw2.c-system.dk include:spf.protection.outlook.com -all |
| Policy | Record (easycard-online.dk) |
|---|---|
| -all (hard fail) | v=spf1 a:mailgw1.c-system.dk a:mailgw2.c-system.dk include:spf.protection.outlook.com -all |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2017082305 |
| Primary NS (MNAME) | ns1.c-system.dk |
| Responsible (RNAME) | admin@c-system.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 1309600s |
| Minimum (neg-cache TTL) | 38400s |