| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.42.17 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.155.27 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::ac43:9b1b | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3034::6815:2a11 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.42.17,172.67.155.27 ech=AEX+DQBBJQAgACBICK7h0rMIouc/HzScB0c6+6qlcejBgzELObuLPlL7NQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:9b1b,2606:4700:3034::6815:2a11 |
| TXT Record |
|---|
| protonmail-verification=8c0578af232a91c0a6bf6234cc057d09ff550968 |
| v=spf1 include:_spf.protonmail.ch include:amazonses.com ~all |
| Policy | Record (shadowbytes.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch include:amazonses.com ~all |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2413239282 |
| Primary NS (MNAME) | hope.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-28 00:21:02 | 1276ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-08-27 17:25:13 | 629ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-08-05 03:10:00 | 1336ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-07-10 08:08:27 | 3876ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-07-06 02:06:41 | 1348ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-06-25 21:32:14 | 4852ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-06-25 19:29:57 | 1377ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-06-22 12:46:00 | 1176ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-20 23:52:31 | 707ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-06-19 18:10:37 | 4937ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-06-18 06:34:55 | 3058ms | 2 NS 2 A 2 MX | 🔒 Secure | View |