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Total

100

DNS

Email

Security

Network

100

Availability

Domaintrezor.io

IPv42

IPv62

MX records5

StatusActive

Domain technical report

Trezor Hardware Wallet (Official) | Bitcoin & Crypto Security | Trezor

trezor.io

The safest cold storage wallets for crypto security and financial independence. Easily use, store, and protect Bitcoins.

Generated: 2026-08-09T02:52:43-05:00 · Cached result

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IPv42

IPv62

MX5

NS2

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

2 IPv4 address(es) detected.

✓

IPv6 (AAAA)10 / 10 pts · Dns

2 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

5 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

51 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers23 / 35 pts · Security

6 of 9 evaluated headers detected.

PTR reverse DNS0 / 30 pts · Network

PTR not detected.

✓

IPv4 diversity35 / 35 pts · Network

Two or more IPv4 addresses receive full points.

✓

IPv6 connectivity35 / 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

2 record(s)

172.66.137.111
172.66.134.245

AAAA

2 record(s)

2606:4700:10::ac42:896f
2606:4700:10::ac42:86f5

CNAME

0 record(s)

—

Not configured

MX

5 record(s)

1 aspmx.l.google.com.
10 aspmx3.googlemail.com.
5 alt1.aspmx.l.google.com.
10 aspmx2.googlemail.com.
5 alt2.aspmx.l.google.com.

TXT

7 record(s)

"sendinblue-site-verification=4794744"
"brevo-code:1af3e8bb9f0b4211d6e27bb86d4e73c0"
"proxy-ssl.webflow.com"
"Sendinblue-code:34d700f1b575b8a982e48df7fdaae9a8"
"google-site-verification=Fb8TEfSkdtdBs6GDgeJYPyKQRGJAvS9smdhLR9GHQTc"
"v=spf1 include:_spf.google.com include:spf.sendinblue.com include:amazonses.com include:mail.zendesk.com ~all"
"facebook-domain-verification=jbzhsmqwdxjzdp1xcu5aq6msw9hx1d"

NS

2 record(s)

lucy.ns.cloudflare.com.
jeff.ns.cloudflare.com.

SOA

1 record(s)

jeff.ns.cloudflare.com. dns.cloudflare.com. 2411237880 10000 2400 604800 1800

CAA

13 record(s)

0 issuewild "digicert.com; cansignhttpexchanges=yes"
0 issuewild "comodoca.com"
0 issue "ssl.com"
0 issue "pki.goog; cansignhttpexchanges=yes"
0 issuewild "ssl.com"
0 issue "letsencrypt.org"
0 issue "amazon.com"
0 iodef "mailto:it+security@satoshilabs.com"
0 issuewild "amazon.com"
0 issue "comodoca.com"
0 issuewild "letsencrypt.org"
0 issue "digicert.com; cansignhttpexchanges=yes"
0 issuewild "pki.goog; cansignhttpexchanges=yes"

DS

1 record(s)

2371 13 2 0342695D3B8C5B526103DB06FB4251BF1D1F97969D0383C7EBE874B2 4AA75E1D

DNSKEY

2 record(s)

257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+ KkxLbxILfDLUT0rAK9iUzy1L53eKGQ==
256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8 KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==

RRSIG

5 record(s)

NS 13 2 86400 20260810085233 20260808065233 34505 trezor.io. +Qr9KuZxQ1A0bQVt+aw3HUZkkivv8+LVHqYU7eliYlHum1hwlBxlLKSz Lv4mUEkVcwHPhzWstAru3c3GVRTXNQ==
TXT 13 2 300 20260810085233 20260808065233 34505 trezor.io. OzTw244Kyygk8dm6NERzakm/0Uiz7DwNVdSWKx7Ih6cDV3gCVSrAtuh+ rfSP13x7lFiEAiIQiUdes0DvJqa7zg==
AAAA 13 2 300 20260810085233 20260808065233 34505 trezor.io. 5MmDlezBuodTvLE4Tvkdk6/U28RyPDRV2AK+74qltBFaxV6CLTFrZSOb MYAF+eU8pD8Z5LE45d6QkXUD1/85Tw==
DS 8 2 3600 20260822160612 20260801150612 46863 io. NYR39lN92VjywXQOvmI1aQYhGlfq5lYUbB646J+LRtg64VjOBzbSvoY6 iDzpKpT0VF3vPLAYJ1ZFv2Vt3p8ZQml/FjvxiUWiezoePiHFOyMXBn/x UQ2DAzPOaMonn/GnDKcDK2JawUMmLKVfip9q4aNajbPDA+6YQMlUdShq wQY=
CAA 13 2 300 20260810085233 20260808065233 34505 trezor.io. ZdigNRrR7EICBKfOWGS1VLE7/DI19Eo/CWIyiPPaw+wJ7Xw3/wfbO0C3 5IaPKe7ePaxEwFNUmdQWtm8QF+pKaQ==

NSEC

1 record(s)

\000.trezor.io. 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.google.com include:spf.sendinblue.com include:amazonses.com include:mail.zendesk.com ~all

DMARC

Configured

v=DMARC1; p=reject; rua=mailto:06b6370b8ec49e557257d38fd38e03-d@dmarc.report-uri.com

DKIM

Selector google

v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAh51WXiMeiOUrav1/8wGSUsK6narX25o0B/4rMgs/HijZ2lV9P/O41A9UbaBpxaSH3bvyoMM84g1NS/lph9vZkWzsE1Zl1apaumjsvdWDw37jegLK6WgeeqHHGXSo9LwbEzd2fyLWV8L2xPxj4SNPkLeoMgOiaPXQqk2knvRqLx9tzGbtioyJQ4rTP+Ex6qvi/LldkIoYdN4O8h8xIQDUDdx8s2HSG4hb/2Wtk0p2g2NdUi/9m3CZQO/hJiPH9Cjr56a7Kbv0Z/E/vanJk9Y/1WB8SoEgDdauqUHdqoyY9MAGRwvJhIvtcRf2eoKo8/dOdsgzcOcts6rh3cezPj2inwIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Trezor Hardware Wallet (Official) | Bitcoin & Crypto Security | Trezor

Description

The safest cold storage wallets for crypto security and financial independence. Easily use, store, and protect Bitcoins.

Final URL

https://trezor.io/

HTTP status

200

HTTP

Status

HTTP/2 200

Final URL

https://trezor.io/

Version

Server

cloudflare

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Let's Encrypt

trezor.io

Valid from

2026-07-01T08:41:52-05:00

Valid until

2026-09-29T08:41:51-05:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_256_GCM_SHA384

Security headers

6 active

✓

HSTSImplemented

✓

Content Security PolicyImplemented

✓

X-Content-Type-OptionsImplemented

✓

X-Frame-OptionsImplemented

✓

Referrer PolicyImplemented

✓

Permissions PolicyImplemented

—

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

172.66.134.245, 172.66.137.111

70,53 ms

Cloudflare

1.1.1.1

172.66.134.245, 172.66.137.111

25,27 ms

Quad9

9.9.9.9

172.66.134.245, 172.66.137.111

26,36 ms

OpenDNS

208.67.222.222

172.66.134.245, 172.66.137.111

46,43 ms

AdGuard

94.140.14.14

172.66.134.245, 172.66.137.111

70,45 ms

IP, geolocation and ASNAssociated network information

172.66.137.111

No data

success

country

region

city

asn

organization

isp

172.66.134.245

No data

success

country

region

city

asn

organization

isp

Visitor information

Visitor

216.73.217.62

reverse

country

country_code

region

city

latitude

longitude

isp

organization

asn

timezone

browser

Other

language

user_agent

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

is_bot

Yes

cloudflare

SMTPEmail port connectivity

aspmx.l.google.com

Port 25: Closed/unreachable - 21.7 ms - 220 mx.google.com ESMTP 586e51a60fabf-459f19f5db7si5674678fac.47 - gsmtp
Port 465: Closed/unreachable - 4020.7 ms - 
Port 587: Closed/unreachable - 4003.6 ms -

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