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Total

DNS

Email

Security

Network

100

Availability

Domainthebulletin.org

IPv42

IPv62

MX records1

StatusActive

Domain technical report

Bulletin of the Atomic Scientists

thebulletin.org

The Bulletin of the Atomic Scientists informs the public about threats to the survival and development of humanity from nuclear weapons, climate change, and emerging technologies in the life sciences.

Generated: 2026-08-09T07:29:31-05:00 · Cached result

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IPv42

IPv62

MX1

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

1 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

36 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers4 / 35 pts · Security

1 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)

104.20.28.61
172.66.170.120

AAAA

2 record(s)

2606:4700:10::ac42:aa78
2606:4700:10::6814:1c3d

CNAME

0 record(s)

—

Not configured

MX

1 record(s)

0 thebulletin-org.mail.protection.outlook.com.

TXT

7 record(s)

"yahoo-verification-key=siY0tppT+Ud0NNH56moKELi/irPETXDsgvpyeMPtvtQ="
"v=spf1 include:spf.protection.outlook.com include:_spf.salesforce.com include:emsd1.com include:spf.mandrillapp.com -all"
"google-site-verification=yZiuARTu6ReHi0otEvsLDxG2Hs5AWCCqxZRZTkg31LA"
"google-site-verification=WIVh1MMZ97prFzb4CrXlDrT9NHZ7LVAvpCiq329H7lk"
"apple-domain-verification=KAazgt_AUfUJ_rWVrcN6El8AXjw88kOrxaQ_S0tGzss"
"google-site-verification=JQsV2PqlTOKadfy5Q1dEHgc3z232Jl_ZxnWF-kcq09I"
"facebook-domain-verification=hii4apm2lrr6vv0cxt7mkskgt5buxe"

NS

2 record(s)

leland.ns.cloudflare.com.
keira.ns.cloudflare.com.

SOA

1 record(s)

keira.ns.cloudflare.com. dns.cloudflare.com. 2410461691 10000 2400 604800 1800

SPF

Configured

v=spf1 include:spf.protection.outlook.com include:_spf.salesforce.com include:emsd1.com include:spf.mandrillapp.com -all

DMARC

Configured

v=DMARC1; p=reject; sp=none; rua=mailto:6fc577c7110a43cc983aa42417a3c8ea@dmarc-reports.cloudflare.net,mailto:re+27b329272adb@inbound.dmarcdigests.com; aspf=r; pct=100

DKIM

Selector selector2

v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDuwVqIm17VY/cG+k9KYlC86tfnbxP1v2uYZ0K9svuUpGA9Hb81Eq9xdYRO4MWIrI00WuqddXbiAYBucqB2ZlbRbromtxVwl1MpEj1JAUSEQjstfQ40h1gn0WDHHySe6CE6p9iiMq9TGpPJwMdoBm3Iy3Qio3dsJbj+UHcMWV3szQIDAQAB;

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Bulletin of the Atomic Scientists

Description

Final URL

https://thebulletin.org/

HTTP status

200

HTTP

Status

HTTP/2 200

Final URL

https://thebulletin.org/

Version

Server

cloudflare

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Google Trust Services

thebulletin.org

Valid from

2026-06-16T07:02:13-05:00

Valid until

2026-09-14T08:01:55-05:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_256_GCM_SHA384

Security headers

1 active

—

HSTSNot detected

—

Content Security PolicyNot detected

—

X-Content-Type-OptionsNot detected

✓

X-Frame-OptionsImplemented

—

Referrer PolicyNot detected

—

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

104.20.28.61, 172.66.170.120

65,67 ms

Cloudflare

1.1.1.1

104.20.28.61, 172.66.170.120

47,02 ms

Quad9

9.9.9.9

104.20.28.61, 172.66.170.120

47,76 ms

OpenDNS

208.67.222.222

104.20.28.61, 172.66.170.120

58,42 ms

AdGuard

94.140.14.14

104.20.28.61, 172.66.170.120

386,85 ms

IP, geolocation and ASNAssociated network information

104.20.28.61

No data

success

country

region

city

asn

organization

isp

172.66.170.120

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

thebulletin-org.mail.protection.outlook.com

Port 25: Closed/unreachable - 23.2 ms - 
Port 465: Closed/unreachable - 4044.8 ms - 
Port 587: Closed/unreachable - 4021.3 ms -

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