| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:50c0:8000::153 | 3600s | — | AS54113 | Fastly, Inc. | 2606:50c0:8000:0:0:0:0:0/46 | 🇺🇸 United States | — |
| 2606:50c0:8001::153 | 3600s | — | AS54113 | Fastly, Inc. | 2606:50c0:8000:0:0:0:0:0/46 | 🇺🇸 United States | — |
| 2606:50c0:8002::153 | 3600s | — | AS54113 | Fastly, Inc. | 2606:50c0:8000:0:0:0:0:0/46 | 🇺🇸 United States | — |
| 2606:50c0:8003::153 | 3600s | — | AS54113 | Fastly, Inc. | 2606:50c0:8000:0:0:0:0:0/46 | 🇺🇸 United States | — |
| TXT Record |
|---|
| protonmail-verification=ebf7cae1e4a2899bfaaae6f5c98860ac5fcae4c5 |
| v=spf1 include:_spf.protonmail.ch include:_custspf.one.com ~all |
| Policy | Record (dynateck.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch include:_custspf.one.com ~all |
| Policy | Record (_dmarc.dynateck.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine |
| 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 | 2026080901 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-28 01:15:59 | 1080ms | 2 NS 4 A 2 MX | 🔒 Secure | View |
| 2026-08-21 00:19:11 | 5367ms | 2 NS 4 A 2 MX | 🔒 Secure | View |
| 2026-08-10 07:01:02 | 1507ms | 2 NS 4 A 2 MX | 🔒 Secure | View |
| 2026-07-12 17:34:44 | 9116ms | 2 NS 4 A 2 MX | 🔒 Secure | View |
| 2026-06-26 20:13:30 | 960ms | 2 NS 4 A 2 MX | 🔒 Secure | View |
| 2026-06-23 03:37:35 | 942ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-20 03:32:48 | 703ms | 2 NS 4 A 2 MX | 🔒 Secure | View |
| 2026-06-17 05:10:09 | 807ms | 2 NS 4 A 2 MX | 🔒 Secure | View |