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Total

DNS

Email

Security

Network

100

Availability

Domaincardano.org

IPv41

IPv60

MX records6

StatusActive

Domain technical report

Cardano, Secure Decentralized Blockchain Platform | Cardano

cardano.org

Cardano is a decentralized blockchain platform built through peer-reviewed research. Explore ada, staking, governance, DApps, and a global open-source community.

Generated: 2026-08-10T23:48:56-05:00 · Cached result

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IPv41

IPv60

MX6

NS4

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

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

✓

SOA record10 / 10 pts · Dns

Authoritative zone record.

DNSSEC chain0 / 15 pts · Dns

Both DS and DNSKEY are required.

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

31 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 DNS30 / 30 pts · Network

PTR: acd89244c803f7181.awsglobalaccelerator.com

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)

75.2.60.5

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

6 record(s)

5 alt2.aspmx.l.google.com.
10 alt4.aspmx.l.google.com.
10 alt3.aspmx.l.google.com.
15 rkz6s4pvr76mqsxkcjun7hxpo52y5v4cuxpxj4fxahazjnsl4e2q.mx-verification.google.com.
5 alt1.aspmx.l.google.com.
1 aspmx.l.google.com.

TXT

4 record(s)

"v=spf1 include:4268286.spf04.hubspotemail.net include:_spf.google.com include:servers.mcsv.net include:amazonses.com ~all"
"google-site-verification=irPpcfWP_MhK6hJo357vd3WO14Kl33TwtwHBlLZL4TU"
"google-site-verification=oxDOpGeoTc-h4muKvrrV8a-_U5YMiD0pTLWb_UTUoxc"
"google-site-verification=owmO34r25WEVCALmVziA3pWzalURsRjPyPyUDxSdkdw"

NS

4 record(s)

ns-627.awsdns-14.net.
ns-1662.awsdns-15.co.uk.
ns-1438.awsdns-51.org.
ns-152.awsdns-19.com.

SOA

1 record(s)

ns-1438.awsdns-51.org. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400

SPF

Configured

v=spf1 include:4268286.spf04.hubspotemail.net include:_spf.google.com include:servers.mcsv.net include:amazonses.com ~all

DMARC

Configured

v=DMARC1; p=reject; rua=mailto:postmaster@cardano.org, mailto:dmarc@cardano.org

DKIM

Selector google

v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArUuSz/6XVrMunz+mwEwiB5ohpK9CrexijEVseLU+dVKGe/laZzpZ0YY+W0SljQ3A3vYHdUAOhJdFC56O0gG+sA57vT+JrBdWf5i7F7gNzsyUHdmIp2d0sDIOP3ZoZyVkzKTVuARnD4Rnt3HPhabeWi2WU6S54lgBKhbxm3xjI/0A2AyWE/YjQAi30T0lcZpdGeqG+D1z/5bSS4UTVv7FVAmo5okkNSy7EIqnsfcYxnBkY3a13KSSX0iaGIcjU3moB4njiGBixVxP2rWOlHRwwzpYOeGOqNAl6WWC+UHw57NC1ojlUPWEikZ1b1nTmx3G3qrkxoJxz27N0sqLJ0/EuwIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Cardano, Secure Decentralized Blockchain Platform | Cardano

Description

Cardano is a decentralized blockchain platform built through peer-reviewed research. Explore ada, staking, governance, DApps, and a global open-source community.

Final URL

https://cardano.org/

HTTP status

206

HTTP

Status

HTTP/2 200

Final URL

https://cardano.org/

Version

Server

Netlify

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Let's Encrypt

cardano.org

Valid from

2026-06-13T04:03:55-05:00

Valid until

2026-09-11T04:03:54-05:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_128_GCM_SHA256

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

75.2.60.5

54,90 ms

Cloudflare

1.1.1.1

75.2.60.5

63,92 ms

Quad9

9.9.9.9

75.2.60.5

63,52 ms

OpenDNS

208.67.222.222

75.2.60.5

50,20 ms

AdGuard

94.140.14.14

75.2.60.5

253,59 ms

IP, geolocation and ASNAssociated network information

75.2.60.5

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

alt2.aspmx.l.google.com

Port 25: Closed/unreachable - 0.9 ms - 
Port 465: Closed/unreachable - 4000.6 ms - 
Port 587: Closed/unreachable - 4019.3 ms -

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