| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.25.209 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.134.173 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::6815:19d1 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::ac43:86ad | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.25.209,172.67.134.173 ech=AEX+DQBBqgAgACDoLtW1D936N1IOECuxYRRPe7h8MJBej8DNLfjBq/ZvQwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:19d1,2606:4700:3033::ac43:86ad |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.filter10.antispamcloud.com | DANE-EE · SPKI · SHA-256 | A10EC56F992E0E0C5B5A3860F281ADAF… |
| SMTP _25._tcp.filter20.antispamcloud.com | DANE-EE · SPKI · SHA-256 | A10EC56F992E0E0C5B5A3860F281ADAF… |
| 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 | 2413256651 |
| Primary NS (MNAME) | guss.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-27 14:19:08 | 2165ms | 2 NS 2 A 2 MX | 🔓 Insecure | View |
| 2026-08-25 09:11:47 | 24781ms | 2 NS 2 A 2 MX | 🔓 Insecure | View |
| 2026-08-20 22:46:41 | 17160ms | 2 NS 2 A 2 MX | 🔓 Insecure | View |
| 2026-08-02 14:12:51 | 1385ms | 2 NS 2 A 2 MX | 🔓 Insecure | View |
| 2026-06-17 11:46:46 | 886ms | 2 NS 2 A 2 MX | 🔓 Insecure | View |