| 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=dc01f4dc3f986c9c4cb66456afb412bc807abcd5 |
| v=spf1 include:_spf.protonmail.ch include:_custspf.one.com ~all |
| Policy | Record (markedsgade.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch include:_custspf.one.com ~all |
| Policy | Record (_dmarc.markedsgade.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 | 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 | 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 | |
|---|---|---|---|---|
| 2026-08-27 10:48:56 | 1092ms | 2 NS 4 A 2 MX | 🔒 Secure | View |
| 2026-08-26 16:46:53 | 1057ms | 2 NS 4 A 2 MX | 🔒 Secure | View |
| 2026-08-20 07:18:38 | 5423ms | 2 NS 4 A 2 MX | 🔒 Secure | View |
| 2026-08-10 20:04:51 | 5187ms | 2 NS 4 A 2 MX | 🔒 Secure | View |
| 2026-07-11 23:59:25 | 1497ms | 2 NS 4 A 2 MX | 🔒 Secure | View |
| 2026-06-26 13:15:18 | 838ms | 2 NS 4 A 2 MX | 🔒 Secure | View |
| 2026-06-17 13:33:18 | 4412ms | 2 NS 4 A 2 MX | 🔒 Secure | View |