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82
Total
85
DNS
90
Email
77
Security
35
Network
100
Availability
Domaincex.io
IPv42
IPv60
MX records6
StatusActive
Domain technical report

Bitcoin & Cryptocurrency Exchange - Buy & Sell Crypto | CEX.IO

cex.io

The leading cryptocurrency exchange platform in USA offers different trading options, provides 24/7 customer support, high level of security, and stable deposits and withdrawals. Buy & sell crypto and bitcoin online with CEX.IO

Generated: 2026-08-11T06:28:42-05:00 · Cached result

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IPv42
IPv60
MX6
NS2

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

2 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 policy0 / 5 pts · Dns

Certificate authority restriction.

✓
DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓
MX records20 / 20 pts · Mail

6 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

22 day(s) remaining.

i
Certificate lifetime6 / 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.

✓
IPv4 diversity35 / 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

2 record(s)
104.20.25.69
172.66.166.209

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

6 record(s)
10 alt3.aspmx.l.google.com.
5 alt1.aspmx.l.google.com.
1 aspmx.l.google.com.
10 alt4.aspmx.l.google.com.
5 alt2.aspmx.l.google.com.
15 i73mbjcamvdy6n7kzizhdklkvd44ppmult3tg7lrqsahvzl52ifq.mx-verification.google.com.

TXT

19 record(s)
"google-site-verification=VS0MYXa_7waCc90USjZ8SyT2xf88e4iRsgGnYnD8cz0"
"google-site-verification=n9dk3cxWyASM39xUcShmmQSjWzZ-LOeeCjewu7cnzdk"
"google-site-verification=KOhV9M0eOSG8zusfv_8t0yy55zl8jN1ySkC6z9nb0xU"
"av8i77hdsiabse75a4e1asm5bs"
"google-site-verification=yrCB75vCsR2xxab8pslGYzxOGaHwX2iHfDeiZwr3TEs"
"google-site-verification=Q-LdwLCbLjA2gGIzGWIvk5GDtBVqKu1Hjg1rATMXKJQ"
"google-site-verification=5BEPAAXAYeIqdmhBlKdxtfRmd__eQTLxW4s-HgLe3XM"
"epay-site-verification=4AD6C092EC6090778CE9616166CFE13B"
"google-site-verification=whp7hKfsExXvbDBoWqS-HpRNtHCzES_RQV4mM4fQPeo"
"google-site-verification=EdgXyNYFA9OTCeLaN8Dg6STiPFfSySZKtlCPzQtXFTg"
"F7E491A3DC"
"google-site-verification=74E5oAh001wxvTnqGC2y_e2QcY84auHaNqBH6Lmff-0"
"knowbe4-site-verification=13b4f9f7052078f9ae08e9227ddcc226"
"google-gws-recovery-domain-verification=45896615"
"atlassian-domain-verification=NSd96vam2YJMQiS4CS2MoLhVKrdX6bSNE8i3Baak7jJBSyPlkclNAj/zGtO5XX6/"
"google-site-verification=lnhxcpTMD9ePtf-iHDvPUG50uywwOXsJ2-ToYckyqLM"
"miro-verification=dae02d67b00c3f00d031af11b6df5d5be7f48d12"
"7m58grw9ds8xf9khybf2gg2q2kgp9kh5"
"v=spf1 include:sendgrid.net include:_spf.google.com ip4:168.245.109.129 a:o2.mail2.cex.io ip4:168.245.24.103 a:o1.mail2.cex.io -all"

NS

2 record(s)
dawn.ns.cloudflare.com.
duke.ns.cloudflare.com.

SOA

1 record(s)
dawn.ns.cloudflare.com. dns.cloudflare.com. 2411843425 10000 2400 604800 1800

CAA

0 record(s)
—

Not configured

DS

1 record(s)
2371 13 2 2D9EBACF7D431334F256B897E61663DF00E8CEC614CCDE22ED5C08CA 46F8C12E

DNSKEY

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

RRSIG

5 record(s)
DNSKEY 13 2 3600 20261002073835 20260802073835 2371 cex.io. dpaaVJpR2xRyHV6sfmgdhqcQ3xGsDsLhNgR6ypE3zXMEFGfiJB4ReGyd hIn11IQMAcv0p/ncJLbI+UCURol7gQ==
SOA 13 2 1800 20260812122832 20260810102832 34505 cex.io. V1JQGB3Up7shQogxL6BatsqpuznZYLg2fmZwPq3/K/YWGABx7Cfhmkkt ZKxjh74meUZ4lihNBm+bALeYEZjOSw==
NS 13 2 86400 20260812122832 20260810102832 34505 cex.io. dcOCWxBFaYWOTFWY05ixEBUEbG5jZaYTFukZfvk1TSoYGMX9DoGh0/pH RXFtfU7aD8YNwGehjb5XP3Wc/dW/kA==
A 13 2 300 20260812122831 20260810102831 34505 cex.io. 3Vr40IQip2M9iDs35sSUbUN+g7QjA9WQNXc8pRsqLusbJ7oV1+Yk+bc/ uD5RYcsabf7JeW9LiANOHm90p6hPjQ==
DS 8 2 3600 20260830160952 20260809150952 46863 io. MBununCeuw9jf2yU0mlRReBnk0LgFgMHx76kgHvpSjx8yvihWZ3GrtIS BmGhtqVmoaxX6FMCAjCankkRodjXq1GJtYa1AiTt+2SD9AlpjYuY3H9A W2dibxZTRVNnpuf7eYjKLPf9XxGrnpdVs9e6i8AP3UcbaNh5W+VN2qH6 fDY=

NSEC

1 record(s)
\000.cex.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:sendgrid.net include:_spf.google.com ip4:168.245.109.129 a:o2.mail2.cex.io ip4:168.245.24.103 a:o1.mail2.cex.io -all

DMARC

Configured
v=DMARC1; p=reject; ruf=mailto:dmarc-feedback@cex.io

DKIM

Selector google
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArCjgOOd7bXaD2Up3o/O6sQ1GzBTsAGz7gwa5X8LnxU2QFkoXSZ7JBdIot/wEXcDvRyfuqXRRecxykPDQq5DyyNW7jv6lkxGBC/HAHFEDqYYyJ+j3UvHrmWBnY9zMuE0YvDJmZ49IX8I3oxPeWBqqvejSmMHTZxew/jnKdEze/suZMEW0N6q7gSMwvA8a8Amc/ AQkA/Owt2v+2MpUWFPBDeWzf3A4tFCo7P1isorP4zY2BeZAZxO5UAr+0hx2Z2wef4tKFw+HVkgG6lRJLPbXNqUcqb0JU3e+q0wu2Fv2xpL1t3EOnSeGAI9QvCcTvrLzL6VodCfFoOWVDDZapiUSWwIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Bitcoin & Cryptocurrency Exchange - Buy & Sell Crypto | CEX.IO
Description
The leading cryptocurrency exchange platform in USA offers different trading options, provides 24/7 customer support, high level of security, and stable deposits and withdrawals. Buy & sell crypto and bitcoin online with CEX.IO
Final URL
https://cex.io/
HTTP status
200

HTTP

Status
HTTP/2 200
Final URL
https://cex.io/
Version
3
Server
cloudflare
X-Powered-By
Next.js

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Sectigo Limited
CN
cex.io
Valid from
2025-08-03T19:00:00-05:00
Valid until
2026-09-02T18:59:59-05:00
Days remaining
22
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
104.20.25.69, 172.66.166.209
47,89 ms
Cloudflare
1.1.1.1
104.20.25.69, 172.66.166.209
28,73 ms
Quad9
9.9.9.9
104.20.25.69, 172.66.166.209
25,50 ms
OpenDNS
208.67.222.222
104.20.25.69, 172.66.166.209
64,76 ms
AdGuard
94.140.14.14
104.20.25.69, 172.66.166.209
43,87 ms

IP, geolocation and ASNAssociated network information

104.20.25.69

No data
success
No
country
region
city
asn
organization
isp

172.66.166.209

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

alt3.aspmx.l.google.com

Port 25: Closed/unreachable - 0.8 ms - 
Port 465: Closed/unreachable - 4017.1 ms - 
Port 587: Closed/unreachable - 4020.6 ms -

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