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83
Total
90
DNS
90
Email
81
Security
20
Network
100
Availability
Domainprotonvpn.com
IPv41
IPv60
MX records2
StatusActive
Domain technical report

The best VPN for speed and security

protonvpn.com

Get fast, secure VPN service in 140+ countries. Download our free VPN now — or check out Proton VPN Plus for even more premium features.

Generated: 2026-08-09T15:53:35-05:00 · Cached result

JSONCSVPDFVisit site
IPv41
IPv60
MX2
NS2

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

1 IPv4 address(es) detected.

!
IPv6 (AAAA)0 / 10 pts · Dns

0 IPv6 address(es) detected.

✓
Name server redundancy20 / 20 pts · Dns

2 NS record(s); 2 or more required.

✓
SOA record10 / 10 pts · Dns

Authoritative zone record.

✓
DNSSEC chain15 / 15 pts · Dns

DS and DNSKEY detected.

✓
CAA policy5 / 5 pts · Dns

Certificate authority restriction.

✓
DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓
MX records20 / 20 pts · Mail

2 MX record(s).

✓
SPF25 / 25 pts · Mail

SPF policy published.

✓
DMARC25 / 25 pts · Mail

DMARC policy published.

✓
DKIM20 / 20 pts · Mail

A DKIM selector was verified.

!
MTA-STS0 / 5 pts · Mail

Mail transport policy.

!
TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓
Valid TLS certificate55 / 55 pts · Security

50 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers16 / 35 pts · Security

4 of 9 evaluated headers detected.

!
PTR reverse DNS0 / 30 pts · Network

PTR not detected.

i
IPv4 diversity20 / 35 pts · Network

Two or more IPv4 addresses receive full points.

!
IPv6 connectivity0 / 35 pts · Network

AAAA availability.

✓
DNS resolution40 / 40 pts · Availability

At least one address family must resolve.

✓
HTTP response40 / 40 pts · Availability

HTTP/2 200

✓
HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)
185.159.159.140

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

2 record(s)
20 mail.proton.ch.
10 mail.protonmail.ch.

TXT

11 record(s)
"google-site-verification=vqdgC8NAfSFpymayhvW2aoDF5u9Lz-hhuCgpYuLyEdM"
"v=spf1 include:_spf.protonmail.ch ip4:107.23.2.46 ip4:107.23.2.50 ip4:107.21.28.235 ip4:107.21.36.214 mx ~all"
"protonmail-verification=580df9ddb223b67a7aaacbe0ede4b3a0eed69cfe"
"ahrefs-site-verification_4bdac6bbaa81e0d591d7c0f3ef238905c0521b69bf3d74e64d3775bcb2743afd"
"yandex-verification: 831cafb939d648de"
"google-site-verification=wc6wJiOETCLtTPf9TllNHJsAY_B6PMDilWI4qln0r88"
"SNAPCRAFT_IO_VERIFICATION=3c251dac89467a427e6505b905e39fd77ccc3e3c4d53caa52cc8b20952468242"
"swisssign-check=CF0JHMTlTDNoES3rrknIRggocffSwqmzMb9X8YbjzK"
"google-site-verification=zJeaU04Nk7FDmje2PXvmbjaMR8eXtqCgRkfFi0vZcdY"
"brave-ledger-verification=3d2cb691b481b81ea72084c319e2636751f8f551f45e1c2548c5975bd0a745a2"
"google-site-verification=JSBw6W2q261qOokl2iU4gWwrTifTldZMOrA-L-0xYJA"

NS

2 record(s)
nora.ns.cloudflare.com.
mitch.ns.cloudflare.com.

SOA

1 record(s)
mitch.ns.cloudflare.com. dns.cloudflare.com. 2411360125 10000 2400 604800 1800

CAA

15 record(s)
0 iodef "mailto:security@protonmail.com"
0 issue "digicert.com; cansignhttpexchanges=yes"
0 issue "letsencrypt.org"
0 issuewild "swisssign.com"
0 issue "ssl.com"
0 issue "swisssign.com"
0 issuewild "comodoca.com"
0 issuewild "ssl.com"
0 issue "comodoca.com"
0 issuewild "letsencrypt.org"
0 issuewild "digicert.com; cansignhttpexchanges=yes"
0 issue "sectigo.com"
0 issue "globalsign.com"
0 issuewild "pki.goog; cansignhttpexchanges=yes"
0 issue "pki.goog; cansignhttpexchanges=yes"

DS

1 record(s)
2371 13 2 8A329AF5087DCC24924611E9B084DBDF48E5E85FA75B1AAB17F33529 902F8CEE

DNSKEY

2 record(s)
256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8 KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==
257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+ KkxLbxILfDLUT0rAK9iUzy1L53eKGQ==

RRSIG

6 record(s)
DNSKEY 13 2 3600 20261003201340 20260803201340 2371 protonvpn.com. 4Yp2760Oway66sxs52XpJqc8XFQkjsMIFlNlaRGLYhHT+QFTJVk1vul9 bsOfNqaf195mL45F+fKqHIwSKGAZvA==
NS 13 2 86400 20260810215328 20260808195328 34505 protonvpn.com. /VE/0Os9iJkjSC2tB4Ygek3/j8rwUCYr/CqpS0J8q6c633SiH+TWHeF+ tzJvY8FOdBS6Q1i3tiPX9wEKr+Dm/A==
TXT 13 2 300 20260810215328 20260808195328 34505 protonvpn.com. JyFPo1par0pOS35gokrYplDx5DTIUojsBV9hR1Nqf4psF0EfYUZpRo7A 7hiFVKYCwSUanyx5Lrz7TJriFiahCA==
MX 13 2 300 20260810215328 20260808195328 34505 protonvpn.com. G3AGMj2Dtw7A6zagdoSwG8Z9KjS+rlZCNPJfTHL+orNFaoXcRXnI8tdY mHNmUqay+2BCsFVmHQcCCHnApgBo2Q==
DS 13 2 86400 20260815005018 20260807234018 41446 com. HyKMlumz4fD6UEx1FQolyRYopwbWD/BICuylJZT53booRWTkQVmrlcBl Ry+h8IZk1yrRRMXCw9MkxOWxZNV3Zg==
CAA 13 2 300 20260810215328 20260808195328 34505 protonvpn.com. elJjFKHShS5o4PaHKg68PJoimVGLhxfCdTuBJ/BFZaB/0+vfcxZXhdFq GeBKk9ujgKR8bR3i5Vb3A4CqBvbyTw==

NSEC

1 record(s)
\000.protonvpn.com. A NS SOA PTR HINFO MX TXT AAAA LOC SRV NAPTR CERT SSHFP RRSIG NSEC DNSKEY TLSA SMIMEA HIP CDS CDNSKEY OPENPGPKEY SVCB HTTPS URI CAA

NSEC3

0 record(s)
—

Not configured

SRV

0 record(s)
—

Not configured

NAPTR

0 record(s)
—

Not configured

TLSA

0 record(s)
—

Not configured

SSHFP

0 record(s)
—

Not configured

SPF

Configured
v=spf1 include:_spf.protonmail.ch ip4:107.23.2.46 ip4:107.23.2.50 ip4:107.21.28.235 ip4:107.21.36.214 mx ~all

DMARC

Configured
v=DMARC1; p=quarantine; rua=mailto:vpn@protonmail.com

DKIM

Selector m1
k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDNst6onPpOhFfnDwF9Rb9HZcpSPJSEQBF3aZndH9SnnAiSbQ0q4s1zjIF0n4UTxBWTXYbFFTAScWW3kPFSCBIvGwQz/E3snhxDf6d3uvhm4dwTCMvGQzD/NODP9LknZwNjYQeyILdRqX4dRNlgHfi4qqDGIXB02rUPqefc6dvAIQIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
The best VPN for speed and security
Description
Get fast, secure VPN service in 140+ countries. Download our free VPN now — or check out Proton VPN Plus for even more premium features.
Final URL
https://protonvpn.com/
HTTP status
206

HTTP

Status
HTTP/2 200
Final URL
https://protonvpn.com/
Version
3
Server
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Let's Encrypt
CN
protonmail.com
Valid from
2026-07-01T08:13:17-05:00
Valid until
2026-09-29T08:13:16-05:00
Days remaining
50
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384

Security headers

4 active
✓
HSTSImplemented
—
Content Security PolicyNot detected
✓
X-Content-Type-OptionsImplemented
✓
X-Frame-OptionsImplemented
✓
Referrer PolicyImplemented
—
Permissions PolicyNot detected
—
Cross-Origin-Opener-PolicyNot detected
—
Cross-Origin-Embedder-PolicyNot detected
—
Cross-Origin-Resource-PolicyNot detected

DNS propagationComparison across public resolvers

Public resolver comparison

Consistent
✓
Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency
Google
8.8.8.8
185.159.159.140
58,90 ms
Cloudflare
1.1.1.1
185.159.159.140
44,56 ms
Quad9
9.9.9.9
185.159.159.140
39,97 ms
OpenDNS
208.67.222.222
185.159.159.140
35,15 ms
AdGuard
94.140.14.14
185.159.159.140
53,16 ms

IP, geolocation and ASNAssociated network information

185.159.159.140

No data
success
No
country
region
city
asn
organization
isp

Visitor information

Visitor
ip
216.73.217.62
reverse
country
country_code
region
city
latitude
longitude
isp
organization
asn
timezone
browser
Other
os
Other
language
user_agent
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
is_bot
Yes
cloudflare
No

SMTPEmail port connectivity

mail.proton.ch

Port 25: Closed/unreachable - 46.4 ms - 
Port 465: Closed/unreachable - 4020.8 ms - 
Port 587: Closed/unreachable - 221.7 ms - 220 mailsubzur1001.protonmail.ch ESMTP Postfix

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