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Total

DNS

Email

Security

100

Network

100

Availability

Domainpudding.cool

IPv44

IPv68

MX records5

StatusActive

Domain technical report

The Pudding

pudding.cool

The Pudding explains ideas with visual essays.

Generated: 2026-08-11T12:42:43-05:00 · Cached result

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IPv44

IPv68

MX5

NS4

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

4 IPv4 address(es) detected.

✓

IPv6 (AAAA)10 / 10 pts · Dns

8 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 propagation0 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

5 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

126 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers0 / 35 pts · Security

0 of 9 evaluated headers detected.

✓

PTR reverse DNS30 / 30 pts · Network

PTR: server-18-160-213-12.ord58.r.cloudfront.net

✓

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

4 record(s)

18.160.213.12
18.160.213.76
18.160.213.116
18.160.213.58

AAAA

8 record(s)

2600:9000:24d2:6200:7:93bc:c080:93a1
2600:9000:24d2:2600:7:93bc:c080:93a1
2600:9000:24d2:b000:7:93bc:c080:93a1
2600:9000:24d2:0:7:93bc:c080:93a1
2600:9000:24d2:c400:7:93bc:c080:93a1
2600:9000:24d2:6c00:7:93bc:c080:93a1
2600:9000:24d2:e600:7:93bc:c080:93a1
2600:9000:24d2:800:7:93bc:c080:93a1

CNAME

0 record(s)

—

Not configured

MX

5 record(s)

10 alt3.aspmx.l.google.com.
1 aspmx.l.google.com.
5 alt2.aspmx.l.google.com.
10 alt4.aspmx.l.google.com.
5 alt1.aspmx.l.google.com.

TXT

1 record(s)

"v=spf1 include:_spf.google.com ~all"

NS

4 record(s)

ns-378.awsdns-47.com.
ns-1290.awsdns-33.org.
ns-1849.awsdns-39.co.uk.
ns-766.awsdns-31.net.

SOA

1 record(s)

ns-1849.awsdns-39.co.uk. awsdns-hostmaster.amazon.com. 2025081501 7200 900 1209600 86400

SPF

Configured

v=spf1 include:_spf.google.com ~all

DMARC

Configured

v=DMARC1; p=none; rua=mailto:940f0c149d7a65a4c6b0f32e5246f6fa@inbound.postmarkapp.com; aspf=r; pct=100

DKIM

Selector google

v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA9mH6Vk1ZbyjSaE5CKWl96Tz2XMNhH0Pe3JJ1PYFTFmY3T0osU4MtsvJebzlTGR25B+GU7MtQHBUIiQRsF+zJyhJjQW4EG2fTVgGBNhSItKX1wj7hnLSzchQ5rTob+KvrzuIm56EV/VMBLMXqCZoPvTVNeNA8mLJ544i4nASD2mL6HG8gPuDkMJV1IWDvR4ymfTENJ9oKbrJ0M+ZhbLWMevnH83gjv81brs+97PX33TRfK6VmdAcHfYHtXcQ1mu+xPIEj54afv4Fy3jlTZIlmj3r7/Q+hXospCJGYah7rQ+C7i+/IuOqnkrn+wFj5GiAQErANd+v7EdVHGEsB3VuUBwIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

The Pudding

Description

The Pudding explains ideas with visual essays.

Final URL

https://pudding.cool/

HTTP status

200

HTTP

Status

HTTP/2 200

Final URL

https://pudding.cool/

Version

Server

AmazonS3

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Amazon

pudding.cool

Valid from

2026-05-31T19:00:00-05:00

Valid until

2026-12-15T17:59:59-06:00

Days remaining

126

Protocol

TLSv1.3

Cipher

TLS_AES_128_GCM_SHA256

Security headers

0 active

—

HSTSNot detected

—

Content Security PolicyNot detected

—

X-Content-Type-OptionsNot detected

—

X-Frame-OptionsNot detected

—

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

Review

Differences detected

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

108.157.150.37, 108.157.150.47, 108.157.150.51, 108.157.150.93

72,66 ms

Cloudflare

1.1.1.1

18.160.213.116, 18.160.213.12, 18.160.213.58, 18.160.213.76

55,67 ms

Quad9

9.9.9.9

18.154.253.117, 18.154.253.63, 18.154.253.64, 18.154.253.72

98,18 ms

OpenDNS

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

alt3.aspmx.l.google.com

Port 25: Closed/unreachable - 0.7 ms - 
Port 465: Closed/unreachable - 4020.5 ms - 
Port 587: Closed/unreachable - 4020.7 ms -

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