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Total

DNS

Email

Security

Network

Availability

Domainpubpub.org

IPv42

IPv62

MX records5

StatusActive

Domain technical report

Attention Required! | Cloudflare

pubpub.org

Generated: 2026-08-09T13:52:03-05:00 · 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 policy0 / 5 pts · Dns

Certificate authority restriction.

✓

DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

5 MX record(s).

SPF0 / 25 pts · Mail

SPF policy not found.

✓

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

38 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers8 / 35 pts · Security

2 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 response0 / 40 pts · Availability

HTTP/2 403

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

2 record(s)

172.66.148.67
104.20.27.198

AAAA

2 record(s)

2606:4700:10::6814:1bc6
2606:4700:10::ac42:9443

CNAME

0 record(s)

—

Not configured

MX

5 record(s)

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

TXT

2 record(s)

"google-site-verification=KG-P0O69fjw2OqxUWj2a1PotFxNMTph3BHvXSL8bjCk"
"google-site-verification=RsEAGVRr9eMWa-5-NWBm_YlvduM5SOb5Mx32MNDoG7A"

NS

2 record(s)

val.ns.cloudflare.com.
vin.ns.cloudflare.com.

SOA

1 record(s)

val.ns.cloudflare.com. dns.cloudflare.com. 2411576587 10000 2400 604800 1800

CAA

0 record(s)

—

Not configured

DS

1 record(s)

2371 13 2 B984727DA1BA82CEC6E8310E9D0A367E3952CF7B998E5F85C212CEF1 1AF035F5

DNSKEY

2 record(s)

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

RRSIG

4 record(s)

NS 13 2 86400 20260810195153 20260808175153 34505 pubpub.org. NJvyl6A57VIw8euOIw6+9/rbeAcCQRe/3w+mNb6/CefreHlDwV34OH4x qPFerqdL5S7Jp2pk2G8fIxk0LyCwtQ==
TXT 13 2 300 20260810195153 20260808175153 34505 pubpub.org. pHmUmNf/1YBftWPXKMm8DYje8GxHk044bE7CiS8j60gqptLNOx/hmrlg Z5ueDn7f0tcqpojWsdNptvaiw9+WHQ==
AAAA 13 2 300 20260810195153 20260808175153 34505 pubpub.org. 4V0RP1JEHdW9hWIhHUHzAAkiXVh2ZmX5UaMZTji00d+R0P2WZc7uaU5x xW5jakze3UKFMVPGfK4mWf+1bfzDPw==
DS 8 2 3600 20260830152406 20260809142406 44925 org. si7S8vqs4xTgk9F+d0egk2PxWe52FBYNo6jyqtRPF9Gv/Evrl22s3xi1 ZxNwIkod7d3/uOy23urNoROf80/neNC7REZ6L41qShaDd9pkcEFX19Mm 8G22FGTc7w3Pbqu7IcMVIgTBDeTWKObCV2aUHuf7adeivdSy3+ghAY8B A/A=

NSEC

1 record(s)

\000.pubpub.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

Not configured

—

Not configured

DMARC

Configured

v=DMARC1; p=none; rua=mailto:dmarc@pubpub.org

DKIM

Selector google

v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmaMVxACOHt00I/Ft0+xWqdmizp8is6i34k+s8ilGySEpT0DqJAD0ZWExepXgWjhSezqavXy95sqWO8OCXh28SiFC1zFtJARF23ViI+vXZTkesdcjebOybHuXspLP2/xKVThx2BZOq/0y6DhC75daamOQu+INbvF8JiNHI29Lhb82fzyJMdvbWKPoDBuOrndH3Yb1fQtzIIYWdqoHQGvMDAMdcBsR58GEWWGSi44lFyMrxDO2O9YIpMkCQOt6bB7pzcF/BJAykkD7dlm8JWIs/RtOZCayS5hT3gPOnqYEgtjEs/1T++Ju2D388yDuQZCORxSYpUSGkqwGYIhsuQpfpwIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Attention Required! | Cloudflare

Description

Final URL

https://pubpub.org/

HTTP status

403

HTTP

Status

HTTP/2 403

Final URL

https://pubpub.org/

Version

Server

cloudflare

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Google Trust Services

pubpub.org

Valid from

2026-06-19T03:39:02-05:00

Valid until

2026-09-17T04:38:44-05:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_256_GCM_SHA384

Security headers

2 active

—

HSTSNot detected

—

Content Security PolicyNot detected

—

X-Content-Type-OptionsNot detected

✓

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

104.20.27.198, 172.66.148.67

72,94 ms

Cloudflare

1.1.1.1

104.20.27.198, 172.66.148.67

44,46 ms

Quad9

9.9.9.9

104.20.27.198, 172.66.148.67

37,09 ms

OpenDNS

208.67.222.222

104.20.27.198, 172.66.148.67

81,03 ms

AdGuard

94.140.14.14

104.20.27.198, 172.66.148.67

71,17 ms

IP, geolocation and ASNAssociated network information

172.66.148.67

No data

success

country

region

city

asn

organization

isp

104.20.27.198

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

aspmx3.googlemail.com

Port 25: Closed/unreachable - 0.8 ms - 
Port 465: Closed/unreachable - 4021.1 ms - 
Port 587: Closed/unreachable - 4021.2 ms -

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