| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| elsa.ns.cloudflare.com | — | — | — |
| matt.ns.cloudflare.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.4.162 | — | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.132.64 | — | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::6815:4a2 | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000::/42 | — | — |
| 2606:4700:3033::ac43:8440 | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000::/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.4.162,172.67.132.64 ech=AEX+DQBBlwAgACARtnhQ7LTw1FhCMpClda8WTnV4Yh2JhRcKaIGJtucSdAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:4a2,2606:4700:3033::ac43:8440 |
| TXT Record |
|---|
| protonmail-verification=08f93f2ddad85d0bc3a25e42a8862ce22baca325 |
| v=spf1 include:_spf.protonmail.ch include:mailgun.org relay.mailchannels.net ~all |
| Policy | Record (codecreations.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch include:mailgun.org relay.mailchannels.net ~all |
| Policy | Record (_dmarc.codecreations.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; sp=none |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | comodoca.com |
| 0 | issue | digicert.com; cansignhttpexchanges=yes |
| 0 | issue | letsencrypt.org |
| 0 | issue | pki.goog; cansignhttpexchanges=yes |
| 0 | issue | ssl.com |
| 0 | issuewild | comodoca.com |
| 0 | issuewild | digicert.com; cansignhttpexchanges=yes |
| 0 | issuewild | letsencrypt.org |
| 0 | issuewild | pki.goog; cansignhttpexchanges=yes |
| 0 | issuewild | ssl.com |
| 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 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2406905414 |
| Primary NS (MNAME) | elsa.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 03:51:11 | 1022ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-08-25 01:21:28 | 9657ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-08-18 14:24:48 | 5545ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-08-11 02:12:40 | 9619ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-07-27 05:08:41 | 4066ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-07-24 03:44:07 | 1447ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-07-15 21:51:13 | 1520ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-07-14 21:09:56 | 1495ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-07-03 15:14:27 | 893ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-07-01 13:12:08 | 1093ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-06-29 21:06:54 | 1146ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-06-29 06:14:39 | 1664ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-06-27 20:00:35 | 1213ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-06-23 17:07:23 | 1243ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-06-23 00:11:03 | 2401ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-06-21 12:28:23 | 872ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-06-16 21:43:25 | 713ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-06-16 21:40:51 | 915ms | 2 NS 2 A 2 MX | 🔒 Secure | View |