dev.run
Protected
Cloudflare 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 | austin.ns.cloudflare.com · wren.ns.cloudflare.com |
| A | 104.21.81.123 |
| A | 172.67.161.27 |
| AAAA | 2606:4700:3034::ac43:a11b |
| AAAA | 2606:4700:3036::6815:517b |
| MX | 10 mail.protonmail.ch |
| MX | 20 mailsec.protonmail.ch |
| TXT | v=spf1 include:_spf.protonmail.ch include:_spf.porkbun.com include:_spf.mailersend.net ~all |
| TXT | protonmail-verification=c55a232cdfa16461c54fe2b3aae985dfa4fbb73e |
| SOA | austin.ns.cloudflare.com dns.cloudflare.com serial 2417408596 |
Certificates
- First certificate seen
- 2026-10-13 20:29 UTC since dot.bi started watching
- Last certificate seen
- 2026-10-13 20:29 UTC
- Certificates observed
- 8
- Issuers
- Google Trust Services
Hosting
- IP
- 104.21.81.123
- Network
- AS13335 · CLOUDFLARENET - Cloudflare, Inc., US
- Provider
- Cloudflare
- Country
- US (network registration, not server location)
- CDN
- none detected
- IPv6
- yes
Web
Probing the home page…
Protected Mail is authenticated and spoofed mail is quarantined.
- Provider
- Proton Mail
- SPF
- present all: softfail
- DMARC
- p=quarantine no reports
- DKIM
- found selector: protonmail
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