| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.39.244 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.172.43 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx.stackmail.com | 185.151.28.67 | mx.stackmail.com | AS48254 20i Limited |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::ac43:ac2b | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::6815:27f4 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.39.244,172.67.172.43 ech=AEX+DQBB0AAgACCqzfsQMSF/cK0VBvxaKENKJ9evJ5TBMuhZHfR/oW0JdwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:ac2b,2606:4700:3036::6815:27f4 |
| TXT Record |
|---|
| v=spf 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 | 2410404176 |
| Primary NS (MNAME) | ruth.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-07-24 21:56:15 | 10023ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-07-22 19:48:59 | 952ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-30 03:23:58 | 905ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-28 18:33:29 | 7680ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-22 14:52:18 | 1179ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-17 12:12:56 | 971ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |