| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.151.30.221 | 3600s | 185-151-30-221.ptr4.stackcp.net | AS48254 | 20i Limited | 185.151.28.0/22 | 🇬🇧 United Kingdom | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx.stackmail.com | 185.151.28.67 | mx.stackmail.com | AS48254 20i Limited |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.stackmail.com → 45.8.227.100 |
| 🔶 Autoconfig | 185.151.30.221 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a07:7800::221 | 3600s | — | AS48254 | 20i Limited | 2a07:7800:0:0:0:0:0:0/46 | 🇬🇧 United Kingdom | — |
| TXT Record |
|---|
| v=spf1 include:spf.stackmail.com a mx -all |
| Policy | Record (mogensfeldballe.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.stackmail.com a mx -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 | 1731327966 |
| Primary NS (MNAME) | ns1.stackdns.com |
| Responsible (RNAME) | hostmaster@stackdns.com |
| Refresh | 1800s |
| Retry | 900s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |