| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns.xtracon.dk | 178.72.16.21 | — | AS3342 Cibicom A/S |
| ns2.xtracon.dk | 178.72.22.92 | — | AS3342 Cibicom A/S |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 900s | mx.xtracon.dk | 178.72.16.13 | mx.xtracon.dk | AS3342 Cibicom A/S |
| TXT Record |
|---|
| v=spf1 a mx include:_spf.xtracon.dk -all |
| Policy | Record (ex2019.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx include:_spf.xtracon.dk -all |
| Policy | Record (_dmarc.ex2019.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; pct=100; |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026010703 |
| Primary NS (MNAME) | ns.xtracon.dk |
| Responsible (RNAME) | hostmaster@xtracon.dk |
| Refresh | 7200s |
| Retry | 540s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |