Reports / proton.me

proton.me

Generated Refresh data

We found 78 subdomains of proton.me in certificate transparency logs, passive DNS and DNS brute force; 52 resolve right now, including account.proton.me, status.proton.me and cdn.proton.me. proton.me is registered with MarkMonitor Inc. since 2010-10-10 and expires 2028-10-10. Its SSL certificate from Let's Encrypt expires in 54 days. For email it has an SPF record, DMARC set to quarantine and no DKIM key on the common selectors we check.

Registration
MarkMonitor Inc.Since 2010-10-10 · expires 2028-10-10
SSL certificate
54 days leftLet's Encrypt
Subdomains
52 live78 discovered in total
Email authentication
SPF + DMARC onlyDMARC policy: quarantine

DNS records

6 of 7 types
A1
  • 185.70.42.45
AAAA No AAAA records
MX2
  • 20 mailsec.protonmail.ch.
  • 10 mail.protonmail.ch.
TXT10
  • "zoom-domain-verification=ZOOM_verify_5990c1fbb09d4c6aba062cded6cbdf06"
  • "google-site-verification=QviHfE1VQ57-tDmDLxM6BQH1mdgvdQ_0QsIvCht2IaU"
  • "google-site-verification=MUjtKY-4uQAjE92Z2-s1nm9m4mvdqY2z6HCvi_Bj4so"
  • "google-site-verification=4UIZgETX8lGnv0WwpeJJbszo9daKOdXXYBKCA2XLf94"
  • "protonmail-verification=5262a92f988e64f1be1362138befdf1e19d6a4c1"
  • "v=spf1 include:_spf.protonmail.ch ~all"
Show all 10
  • "linkedin-site-verification=01e79150-bf68-4e0c-ad04-822dc1015b3b"
  • "yandex-verification: 95a7888a0f987e6a"
  • "google-site-verification=2FGIDo-Gf-lWE6t_gWd9gpPTehHD85hbNiEujPVgysc"
  • "google-site-verification=_ayl1WqWIag2WkIbK4sNg_x3NCT5nYOl_DgtFPTYKeg"
NS3
  • ns2.proton.me.
  • ns3.proton.me.
  • ns1.proton.me.
CAA2
  • 0 issue "letsencrypt.org"
  • 0 issue "sectigo.com"
SOA1
  • ns1.proton.me. support.proton.me. 2026073602 1200 144 1814400 7200

Live lookup, cached up to 5 min.

WHOIS / RDAP

via port43:whois.nic.me
Registrar
MarkMonitor Inc.
Registered
2010-10-10
Expires
2028-10-10
Last updated
2026-09-13
Registry handle
REDACTED
Nameservers
ns1.proton.mens2.proton.mens3.proton.me
Status
clientDeleteProhibitedserverDeleteProhibitedclientTransferProhibitedserverTransferProhibitedclientUpdateProhibitedserverUpdateProhibited

RDAP with port-43 WHOIS fallback, cached up to 1 h.

SSL certificate

Valid, 54 days left
Issuer
Let's EncryptCN=YR2,O=Let's Encrypt,C=US
Subject
proton.me
Valid from
2026-09-02 13:13 UTC
Valid until
2026-12-01 13:13 UTC
Serial number
541647849722819850903608082500830654292450
Names covered (5)
*.pr.tn*.proton.me*.storage.proton.mepr.tnproton.me

Live TLS handshake on port 443, cached up to 6 h.

Subdomains

52 live · 78 discovered
  • account-api.proton.me185.70.42.20
  • account.proton.me185.70.42.36
  • ap.proton.me185.70.42.61
  • authenticator-api.proton.me185.70.42.22
  • authenticator.proton.me185.70.42.72
  • autoconfig.proton.me185.70.42.15
  • autofill.reports.proton.me54.73.19.57
  • calendar-api.proton.me185.70.42.41
  • calendar.proton.me185.70.42.39
  • careers.proton.me185.70.42.45
  • cdn.proton.me185.70.42.45
  • docs-editor.proton.me185.70.42.70
  • docs-rts.proton.me185.70.42.71
  • drive-api.proton.me185.70.42.43
  • drive.proton.me185.70.42.40
  • fra-storage.proton.me185.205.70.10
  • get.proton.me185.70.42.17
  • growth.proton.me185.70.42.159
  • localize.proton.me184.104.178.43
  • loki-tpe.proton.me185.70.42.65
  • lumo-api.proton.me185.70.42.54
  • lumo.proton.me185.70.42.51
  • meet-api.proton.me185.70.42.119
  • meet-mls.proton.me185.70.42.112
  • mmp-api.proton.me185.70.42.41
  • mt.proton.me185.70.42.173
  • mta-sts.proton.me185.70.42.41
  • new-calendar.proton.me185.70.42.39
  • ns1.proton.me185.70.42.150
  • ns2.proton.me176.119.200.150
  • ns3.proton.me205.132.47.1
  • openpgpkey.proton.me185.70.42.41
  • partners-api.proton.me185.70.42.171
  • partners.proton.me100.62.247.244
  • pass.proton.me185.70.42.63
  • proton.me185.70.42.45
  • rust-registry.proton.meprotonprivacy.github.io
  • scim.proton.me185.70.42.20
  • sheets.proton.me185.70.42.69
  • shop.proton.me23.227.38.74
  • spaces.proton.me185.70.42.116
  • status.proton.me3.167.37.100
  • telemetry.proton.me185.70.42.172
  • verify-api.proton.me185.70.42.20
  • verify.proton.me185.70.42.52
  • vip-fr3-storage.proton.me185.205.70.10
  • vpn-api.proton.me185.159.159.148
  • vpn.proton.me185.70.42.45
  • wallet-api.proton.me194.0.147.11
  • wallet.proton.me194.0.147.12
  • www.proton.me185.70.42.45
  • zrh-storage.proton.me176.119.200.8
26 more seen in CT logs and passive DNS that don't resolve now
  • 45.77.142.30.proton.me
  • alias.proton.me
  • api.proton.me
  • app.proton.me
  • contacts.proton.me
  • docs.proton.me
  • drivo.proton.me
  • dummy.proton.me
  • kryvex.proton.me
  • livekit.proton.me
  • m.proton.me
  • mail-api.proton.me
  • mail.proton.me
  • meet.proton.me
  • neutron-api.proton.me
  • neutron.proton.me
  • orders.proton.me
  • pass-api.proton.me
  • repo.proton.me
  • reports.proton.me
  • sso.proton.me
  • storage.proton.me
  • test-storage.proton.me
  • vip-zh5-storage.proton.me
  • www.careers.proton.me
  • zentimings.proton.me
Sources: rapiddns 14 · dns-brute 2 · certspotter 9 · crt.sh 2 · virustotal 73 · subfinder 3

From CT logs, passive DNS (25+ sources) and brute-force. Live means it resolves now.

SPF Present
v=spf1 include:_spf.protonmail.ch ~all
DMARC Present
p=quarantine
v=DMARC1; p=quarantine; fo=1; aspf=s; adkim=s;
DKIM None found
No key on the common selectors.

DKIM checked on 29 common selectors; custom ones can't be discovered. Cached up to 1 h.

Got an email from proton.me asking you to change bank details? Check it before you pay

Get this report as JSON

One call returns everything on this page. Each section is also its own endpoint.

curl "https://domain-intelligence-api.p.rapidapi.com/lookup/proton.me" \
  -H "X-RapidAPI-Host: domain-intelligence-api.p.rapidapi.com" \
  -H "X-RapidAPI-Key: YOUR_RAPIDAPI_KEY"
1,000 requests a month free, no card Paid plans up to 5M a month ?wait=1 waits for every subdomain source to finish

More reports