| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 151.101.128.119 | 3600s | — | AS54113 | Fastly, Inc. | 151.101.0.0/16 | 🇺🇸 United States | — |
| 151.101.192.119 | 3600s | — | AS54113 | Fastly, Inc. | 151.101.0.0/16 | 🇺🇸 United States | — |
| TXT Record |
|---|
| protonmail-verification=09a5061db256366d8a9f398f308d6fbea41178fb |
| v=spf1 include:_spf.protonmail.ch mx ~all |
| Policy | Record (skielboe.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch mx ~all |
| Policy | Record (_dmarc.skielboe.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none |
| 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 | 2026081101 |
| 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 | |
|---|---|---|---|---|
| 2026-08-25 13:51:10 | 999ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-08-11 07:32:51 | 2853ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-07-18 10:52:12 | 2604ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-07-12 05:37:04 | 9567ms | 2 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-06-21 06:18:53 | 576ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-06-17 15:24:57 | 724ms | 2 NS 2 A 2 MX | 🔒 Secure | View |