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Total

DNS

Email

Security

Network

100

Availability

Domaincisecurity.org

IPv42

IPv62

MX records2

StatusActive

Domain technical report

CIS Center for Internet Security

cisecurity.org

CIS is a forward-thinking nonprofit that harnesses the power of a global IT community to safeguard public and private organizations against cyber threats.

Generated: 2026-08-09T16:24:35-05:00 · Cached result

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IPv42

IPv62

MX2

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 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

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

105 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers27 / 35 pts · Security

7 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)

104.18.28.89
104.18.29.89

AAAA

2 record(s)

2606:4700::6812:1c59
2606:4700::6812:1d59

CNAME

0 record(s)

—

Not configured

MX

2 record(s)

10 us-smtp-inbound-1.mimecast.com.
10 us-smtp-inbound-2.mimecast.com.

TXT

32 record(s)

"ms-domain-verification=7d6567a1-efd5-46c0-bfb7-2872e1ed13e6"
"A1E8FB3487DB2E7061EE824EF0F7393D746F24D78456EABA5661AAA3CF5F4D42"
"google-gws-recovery-domain-verification=38512313"
"ZOOM_verify_DCva0dP70DCJtRqV2g1fBc"
"apple-domain-verification=bch5fibJxjgtCkxf"
"canva-site-verification=6K4A0inya5hLzgK9UQ1hnw"
"D49E48BC2A028C3639ECD964B902812566E040FB764FCF10CB2D3E7886CBD4C0"
"google-site-verification=HrVU3c8DP9qk_cidAPB3sAIuKoC5x7oAfWQ-AgZs7eE"
"stripe-verification=0EDA57BE26846089B4AF8006A9928B35A4F915B1FFE85FCEF1A4D8A6F5CF30A1"
"have-i-been-pwned-verification=330ab8f3e1fd30f32455ae0005c6f9d3"
"MS=ms51281823"
"mindmanager-verification=a939968e549c9a0ed1dbb4b26602f61a0a760fc043f748d90813f25485b364a5"
"jamf-site-verification=yzDVJbzcFyAAk4e2pk8OSw"
"MS=ms92580780"
"zoho-verification=zb08523227.zmverify.zoho.com"
"amazonses:dC40FZ+4dUSlpnBQ3UT5hQdViX669Mk80gL6hO8o7V0="
"docusign=3e38717c-b647-466b-b0e2-de028b434b43"
"google-site-verification=mXuhdtGnhUuHDA6p-avOBB3XZcMfOx7IqDsIIw0LFtI"
"google-gws-recovery-domain-verification=38550109"
"anthropic-domain-verification-16h2mj=dWdUkYgEqSFOyFB3jhuMeo8HK"
"0ed1fe018a62f28aed66fc4de7bf0c223c9898ea83"
"pardot799323=0b2afc943e45f8ccdb221c5a80d6bccf74944167884134ea3766a26116770546"
"v=spf1 redirect=500fl2w5._spf._d.mim.ec"
"atlassian-domain-verification=KWz1nhkpi11E3nPB4M8SCrCEhzaP4cUO4bFgX/aX7e6AYDxjMoygWPj4X8YSoxKt"
"cisco-ci-domain-verification=19a3cd0f104ca8c83096b4585909aace1f8056dc81090b90f13eef419db074b7"
"MS=6D1B0A476DD6040F29C96FCA5F8FAFDBCB698E50"
"google-site-verification=Q1s309tGk0Q6xZlmCPberQfXO7c6JWAOyYhy7EiZxOo"
"hcp-domain-verification=842174d406de2001d6a5c2f074fde842a716edfa2f53f1f31d2dad0a15d34bb9"
"C02F6D3BA669BDBDB48DB02108C170C9F6FD36034D6A325B2E7A34CA6D966606"
"onetrust-domain-verification=99f0d6e3f6be4a1c91c30b7e01981f85"
"google-site-verification=d6JUsfLQG2XmfXAiMB8gsKaEugG5pEQXSHhMb5AahJI"
"pardot799323=8b6e6327e03af01e3aa056b4e66162f405dbd9e83dc3ede860bdc5712286df4a"

NS

2 record(s)

cory.ns.cloudflare.com.
cecelia.ns.cloudflare.com.

SOA

1 record(s)

cecelia.ns.cloudflare.com. dns.cloudflare.com. 2411537977 10000 2400 604800 1800

CAA

0 record(s)

—

Not configured

DS

0 record(s)

—

Not configured

DNSKEY

2 record(s)

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

RRSIG

6 record(s)

DNSKEY 13 2 3600 20260915155618 20260716155618 2371 cisecurity.org. PUw4lN3NDdWfgblrPLRBDqkmxGGLRp3C7ujCiIKAhySJ4e+9ISD+PuEs GrEq4p+xC+I+KyYzdULmZ4edD0n/8g==
SOA 13 2 1800 20260810222428 20260808202428 34505 cisecurity.org. rmipfEc3c3x1eKEZpAXoJaG2A5gpKZ4GbQRUIZOEmGlPPJdionObcRmC iSlwlu0Oom4aYtszxW9yG3ldD0OTRQ==
NS 13 2 86400 20260810222428 20260808202428 34505 cisecurity.org. YjfR3f8BtbDoKcRWqg1pGMpD2KMxCoj8P2u6yUcXfS0gGtFxi+g5kzF/ wzUMZba4b6cI01kNEKtXbCl7chzIcw==
TXT 13 2 300 20260810222428 20260808202428 34505 cisecurity.org. Yd1qcTmXXiD/+cOiV46LTlRbBLc9rBOyCijHJlxCH9veLzw3jAhGHxGQ e3xqS2LwFyTdevE/F9ZKNrAXTADx/A==
AAAA 13 2 300 20260810222428 20260808202428 34505 cisecurity.org. HiAWMzLszlGtj5f3zyVikZxsj7EqDPsItVD627CrwZTo61mUEMeEsj89 b6YdOBUKaXzfWrOp1cZn0vogIr3u5A==
A 13 2 300 20260810222428 20260808202428 34505 cisecurity.org. NPcWZw/iHzh97FwXUTg+whqktNuAGKrMiYuJTME5Ggb146lUOisd2T+k +V8LclrUxn1uUmjVUoESpDcAUyuCjg==

NSEC

1 record(s)

\000.cisecurity.org. 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 redirect=500fl2w5._spf._d.mim.ec

DMARC

Configured

v=DMARC1; p=reject; rua=mailto:5380854ab6b7405@rep.dmarcanalyzer.com; ruf=mailto:5380854ab6b7405@for.dmarcanalyzer.com; fo=1;

DKIM

Selector smtp

k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDXxXgUeK8A+HvJNxg1F9vY9PS74pp3thl20N7N7XGnvu2Ar1+hTqbjgBG/wRBXBWFqMSWvGkWMs90UMewIvpZPCj/46ge62nCuXFGlUtqIBhbTmXR4MSsiiYFR+GlyLRISMQP4xwuHyKjYN6pEgrqrqPJUW49rtdKXFxPND1HV7wIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

CIS Center for Internet Security

Description

CIS is a forward-thinking nonprofit that harnesses the power of a global IT community to safeguard public and private organizations against cyber threats.

Final URL

https://www.cisecurity.org/

HTTP status

200

HTTP

Status

HTTP/2 200

Final URL

https://www.cisecurity.org/

Version

Server

cloudflare

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

DigiCert Inc

*.cisecurity.org

Valid from

2025-10-21T19:00:00-05:00

Valid until

2026-11-22T17:59:59-06:00

Days remaining

105

Protocol

TLSv1.3

Cipher

TLS_AES_256_GCM_SHA384

Security headers

7 active

✓

HSTSImplemented

✓

Content Security PolicyImplemented

✓

X-Content-Type-OptionsImplemented

✓

X-Frame-OptionsImplemented

✓

Referrer PolicyImplemented

—

Permissions PolicyNot detected

✓

Cross-Origin-Opener-PolicyImplemented

—

Cross-Origin-Embedder-PolicyNot detected

✓

Cross-Origin-Resource-PolicyImplemented

DNS propagationComparison across public resolvers

Public resolver comparison

Consistent

✓

Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

104.18.28.89, 104.18.29.89

70,92 ms

Cloudflare

1.1.1.1

104.18.28.89, 104.18.29.89

21,50 ms

Quad9

9.9.9.9

104.18.28.89, 104.18.29.89

66,59 ms

OpenDNS

208.67.222.222

104.18.28.89, 104.18.29.89

100,09 ms

AdGuard

94.140.14.14

104.18.28.89, 104.18.29.89

244,43 ms

IP, geolocation and ASNAssociated network information

104.18.28.89

No data

success

country

region

city

asn

organization

isp

104.18.29.89

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

us-smtp-inbound-1.mimecast.com

Port 25: Closed/unreachable - 30.5 ms - 
Port 465: Closed/unreachable - 4020.7 ms - 
Port 587: Closed/unreachable - 28.3 ms - 220 us-smtp-inbound-1.mimecast.com ESMTP; Sun, 09 Aug 2026 17:24:35 -0400

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