| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.messagingengine.com | 162.159.24.178 | ns1.messagingengine.com | AS13335 Cloudflare, Inc. |
| ns2.messagingengine.com | 162.159.25.191 | ns2.messagingengine.com | AS13335 Cloudflare, Inc. |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 103.168.172.37 | 3600s | www.messagingengine.com | AS151847 | Fastmail Pty Ltd | 103.168.172.0/24 | 🇺🇸 United States | Philadelphia |
| 103.168.172.52 | 3600s | www.messagingengine.com | AS151847 | Fastmail Pty Ltd | 103.168.172.0/24 | 🇺🇸 United States | Philadelphia |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 103.168.172.52 |
| 🔶 Autoconfig | 103.168.172.52 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 1 | 443 | autodiscover.fastmail.com |
| _imaps._tcp | 0 | 1 | 993 | imap.fastmail.com |
| TXT Record |
|---|
| v=spf1 include:spf.messagingengine.com ?all |
| Policy | Record (nygaard-email.dk) |
|---|---|
| ?all (neutral) | v=spf1 include:spf.messagingengine.com ?all |
| Policy | Record (_dmarc.nygaard-email.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| 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 | 2026082205 |
| Primary NS (MNAME) | ns1.messagingengine.com |
| Responsible (RNAME) | postmaster@messagingengine.com |
| Refresh | 86397s |
| Retry | 600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |