Results for proton.me

TLD+1 (Organisation Level)
SPF MX
DMARC
BIMI MTA-STS
DNSSEC
Nameservers Tech Partners
2 Self Hosted
(p=quarantine)



Umbrella Rank: 25,533

DNSTwister | Comments | SPF Guru

SPF record for proton.me
SPF Lookups = 2

"v=spf1 include:_spf.protonmail.ch ~all"

✔️ SPF Record appears to be valid, within the limit of 10 [RFC7208] - currently at 2

1
include:_spf.protonmail.ch
Lookup
2
include:_spf2.protonmail.ch
Lookup


DMARC record for proton.me


Vendor(s):
Policy: quarantine (100%)

🔍🔓 You're on your way to reject - keep going!
Mail sent from your domain "should" be held by the receiving gateway. Moving to p=reject is still very important!
Failure Reporting Options(Recommended fo=1):
Generate a DMARC failure report if any underlying authentication mechanism (SPF or DKIM) produced something other than an aligned “pass” result. (fo=1)

"v=DMARC1; p=quarantine; fo=1; aspf=s; adkim=s;"

BIMI record for proton.me


"v=BIMI1; l=; a=;"


MX record for proton.me

VendorPreferenceMX Record

Self Hosted
10mail.protonmail.ch.

Self Hosted
20mailsec.protonmail.ch.


MTA-STS record for proton.me

MTA-STS Present?✔️
MTA-STS URLhttps://mta-sts.proton.me/.well-known/mta-sts.txt
MTA-STS Policy
enforce
MTA-STS Domains
mail.protonmail.ch, mailsec.protonmail.ch
MTA-STS Max Age
604800
SMTP TLS Reporting RUA
https://reports.proton.me/reports/smtptls
SMTP TLS Reporting
"v=TLSRPTv1; rua=https://reports.proton.me/reports/smtptls"
MTA-STS DNS Record
"v=STSv1; id=190906205100Z;"


Name servers for proton.me

ns3.proton.me.
ns2.proton.me.
ns1.proton.me.


Technology Partners for proton.me


Google
Alphabet Inc. is an American multinational technology conglomerate holding company headquartered in Mountain View, California. It was created through a restructuring of Google on October 2, 2015, and became the parent company of Google and several former Google subsidiaries. Lookup
"google-site-verification=QviHfE1VQ57-tDmDLxM6BQH1mdgvdQ_0QsIvCht2IaU"

Proton Mail
Proton Mail is an end-to-end encrypted email service founded in 2013 in Geneva, Switzerland. It uses client-side encryption to protect email content and user data before they are sent to Proton Mail servers, unlike other common email providers such as Gmail and Outlook.com. Lookup
"protonmail-verification=5262a92f988e64f1be1362138befdf1e19d6a4c1"

Zoom
Zoom Video Communications, Inc. is an American communications technology company headquartered in San Jose, California Lookup
"zoom-domain-verification=ZOOM_verify_5990c1fbb09d4c6aba062cded6cbdf06"

Yandex
Yandex is a search engine and web portal. Yandex offers internet search and other services like maps, navigator, public transport, taxi, weather, news Lookup
"yandex-verification: 95a7888a0f987e6a"
Matched 4 vendors, out of 246 in lookup library.

Force refresh on proton.me


your ip: 216.73.216.170


Public Suffix List version: 2025-06-02_07-53-42_UTC