| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 3600s | . Null MX — domain accepts no email (RFC 7505) | |||
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (arelion.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.arelion.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;adkim=r;aspf=r;fo=1;pct=100;ri=3600;rua=mailto:6dbfc582@inbox.eu.redsift.cloud;ruf=mailto:6dbfc582@inbox.eu.redsift.cloud;sp=reject |
| 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 | 2026042201 |
| Primary NS (MNAME) | nsp.dnsnode.net |
| Responsible (RNAME) | hostmaster@arelion.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |