siff.org
SPF only
Proton Mail
DNS, hosting, email and name analysis are live. Registration data, the home-page probe, the archive lookup and the other-TLD check are being fetched in the background; this page refreshes itself in a few seconds.
Registration
Fetching the registry record…
DNS
| Type | Value |
|---|---|
| NS | nrdns1.solnet.ch · nrdns2.solnet.ch · ns.solnet.nl |
| MX | 10 mail.protonmail.ch |
| TXT | v=spf1 include:_spf.protonmail.ch mx ~all |
| TXT | protonmail-verification=83b3a43ab4a2555351e3c511398c06a777f76815 |
| SOA | nrdns2.solnet.ch hostmaster.solnet.ch serial 2026021642 |
Certificates
- First certificate seen
- 2026-10-13 22:55 UTC since dot.bi started watching
- Last certificate seen
- 2026-10-13 22:56 UTC
- Certificates observed
- 4
- Issuers
- Let's Encrypt
Hosting
No address record, so there is nothing to locate.
Web
Probing the home page…
SPF only SPF is published but there is no DMARC policy.
- Provider
- Proton Mail
- SPF
- present all: softfail
- DMARC
- missing
- DKIM
- not found common selectors only
Age
- First capture
- looking up…
- Years archived
- —
- Registry created
- —
- In dot.bi since
- 2026-10-13 · Certificate Transparency
Name analysis
Same name, other TLDs
Checking the same name on other TLDs…
History observed by dot.bi
First observed by dot.bi · source: ct