| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| protonmail.ch | SOA | 1200 | ns1.protonmail.ch support@protonmail.ch 2503031331 1200 144 1814400 7200 | |
| protonmail.ch | NS | 1200 | ns2.protonmail.ch | |
| protonmail.ch | NS | 1200 | ns3.protonmail.ch | |
| protonmail.ch | NS | 1200 | ns1.protonmail.ch | |
| protonmail.ch | A | 125 | 185.70.42.21 | |
| protonmail.ch | MX | 43 | 5 | mail.protonmail.ch |
| protonmail.ch | MX | 43 | 10 | mailsec.protonmail.ch |
| www.protonmail.ch | A | 6 | 185.70.42.31 |