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Total

DNS

Email

Security

Network

100

Availability

Domaincodingame.com

IPv42

IPv60

MX records5

StatusActive

Domain technical report

Coding Games and Programming Challenges to Code Better

codingame.com

CodinGame is a challenge-based training platform for programmers where you can play with the hottest programming topics. Solve games, code AI bots, learn from your peers, have fun.

Generated: 2026-08-10T19:24:16-05:00 · Cached result

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IPv42

IPv60

MX5

NS4

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

2 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 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).

✓

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 headers23 / 35 pts · Security

6 of 9 evaluated headers detected.

✓

PTR reverse DNS30 / 30 pts · Network

PTR: ec2-54-163-87-162.compute-1.amazonaws.com

✓

IPv4 diversity35 / 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

2 record(s)

54.163.87.162
44.222.38.113

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

5 record(s)

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

TXT

9 record(s)

"knowbe4-site-verification=ec11b4490d08dda56dbde1cbe1160b31"
"Sendinblue-code:4fc02bfe4c9a94f4a95b882c22acada9"
"1password-site-verification=ESBQUSY2RRHD7MRC32WCY3AMUE"
"google-site-verification=A3n2qAVgZX01JxmhoDAjlwdCwot7BLBdeFmqZjh8B1g"
"v=spf1 mx include:_spf.google.com include:amazonses.com include:26307476.spf01.hubspotemail.net include:spf0.codingame.com -all"
"spf2.0/pra include:aspmx.googlemail.com include:amazonses.com ~all"
"MS=ms44025722"
"have-i-been-pwned-verification=74a2d8d6bb910c324eca49a170d8af2e"
"facebook-domain-verification=1z5zemjqlqm4a0gcf1u13fx3us1ilg"

NS

4 record(s)

ns-755.awsdns-30.net.
ns-1730.awsdns-24.co.uk.
ns-303.awsdns-37.com.
ns-1259.awsdns-29.org.

SOA

1 record(s)

ns-1259.awsdns-29.org. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400

CAA

0 record(s)

—

Not configured

DS

1 record(s)

15584 13 2 760A3DDDB9C24592C749978A94BDF72E04A0C5E3E9B4D7685080BB7B 1CAEF5E4

DNSKEY

3 record(s)

256 3 13 qsqexiQrWOhZ4z2ztkh2dew7Dzk6/7Vex5I4cMZ2C3YClxK0d7EfsUZH tYn30Exl/rvsTVHAtUvfEXfvyMB6tw==
256 3 13 DIRe0DlkWe9DuqskJj1C18h4xKqUHRV4dfCJkgNw5lGtl4nzvp5kNeqy 4aZtHamY7n9+BVkTuhA02kATWkO1Pw==
257 3 13 nXuix4AoR+HDmGJ5efo1XLmfXPMKefHVrriGynKSGCvjFDMhUUEDb59s gCysorchzuN0zWvgYj9d8hdC93MbPA==

RRSIG

3 record(s)

TXT 13 2 300 20260811012906 20260810232406 48175 codingame.com. 2cmQc6S3AXPIn9MornG0y6JyBbsipTiv49NaEzwSgLv+4f98oVdrf7ma TLQgdyuXdMPPIjKRXUc8IyT29o9lXg==
NS 13 2 172800 20260813001154 20260810221154 48175 codingame.com. ldb2jz1UJNFQUXdjJuaSd4t6AkVQaeda4K/0Lyve5vKvR2GuEoc3VoWR 7Jm9soKuvMx5OqbNkpiYuPhZlFVy+w==
DS 13 2 86400 20260815020921 20260808005921 41446 com. Z0gWzrTTsDdqiU5p5LHC0utc7YzlweS7NRNcyU+bZTxy0FREA6W5AKKi EcTTtBK/GCwoe4JVr35FaCzwov8/BQ==

NSEC

0 record(s)

—

Not configured

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 mx include:_spf.google.com include:amazonses.com include:26307476.spf01.hubspotemail.net include:spf0.codingame.com -all

DMARC

Configured

v=DMARC1; p=quarantine ; sp=quarantine ; rua=mailto:dmarc@codingame.com; ruf=mailto:dmarc@codingame.com; fo=1; rf=afrf; pct=100; ri=86400;

DKIM

Selector google

v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAhBESuUiMPx6Oaaimg7732axeM53LXxstOD/BoKo49JUrSwI3LG3sqgQleg1TufjkTqCf9UtzJlarfV8R2ZW5mXZOlxSEk5r499Be9gD/nFhmyMeM1lefS7Yt5N+qTVYE/aOEi1+0Qp7smqwTxQlLqsYGwm/o1up/L5v87einxww1ecJlkaRGtJ/qgY19Rk3MDQCCUu139mDkEWroFoqVqvQ9Pbyc1olwEEDMjb65dpAnvxlb8zv9VqFoHJuXtye2H+ln3Zm4S4z6fBcuEshswyXz89E6m+hniCY/pY4/DxukqSJLSEe1UsZysYyQtX727fMMymbCI0ILucXO6GquXwIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Coding Games and Programming Challenges to Code Better

Description

CodinGame is a challenge-based training platform for programmers where you can play with the hottest programming topics. Solve games, code AI bots, learn from your peers, have fun.

Final URL

https://www.codingame.com/start/

HTTP status

200

HTTP

Status

HTTP/2 200

Final URL

https://www.codingame.com/start/

Version

Server

cloudflare

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Amazon

codingame.com

Valid from

2025-11-15T18:00:00-06:00

Valid until

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

Days remaining

126

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

44.222.38.113, 54.163.87.162

51,06 ms

Cloudflare

1.1.1.1

44.222.38.113, 54.163.87.162

32,57 ms

Quad9

9.9.9.9

44.222.38.113, 54.163.87.162

104,46 ms

OpenDNS

208.67.222.222

44.222.38.113, 54.163.87.162

75,98 ms

AdGuard

94.140.14.14

44.222.38.113, 54.163.87.162

63,38 ms

IP, geolocation and ASNAssociated network information

54.163.87.162

No data

success

country

region

city

asn

organization

isp

44.222.38.113

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

alt1.aspmx.l.google.com

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

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