| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx3.it-hotellet.dk | 91.189.203.249 | — | AS42638 Netvaerkssmeden |
| 10 | 3600s | mx4.it-hotellet.dk | 91.189.203.248 | — | AS42638 Netvaerkssmeden |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 10 | 443 | mail5.it-hotellet.dk |
| TXT Record |
|---|
| v=spf1 include:_spf.it-hotellet.dk -all |
| Policy | Record (ctlleasing.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.it-hotellet.dk -all |
| Policy | Record (_dmarc.ctlleasing.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject ; rua=mailto:abuse@it-hotellet.dk; ruf=mailto:abuse@it-hotellet.dk; aspf=r; |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026073101 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |