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Total

DNS

Email

Security

Network

100

Availability

Domaindunod.com

IPv41

IPv60

MX records2

StatusActive

Domain technical report

Livres en sciences et techniques, entreprise et économie, sciences humaines et sociales, prépas et concours, culture et loisirs - Dunod

dunod.com

Dunod Editions. Edition de livres de savoirs pour étudiants, professionnels, amateurs en entreprise, sciences, techniques, informatique, psy, bien-être et lo...

Generated: 2026-08-12T06:26:11-05:00 · Cached result

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IPv41

IPv60

MX2

NS3

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

1 IPv4 address(es) detected.

IPv6 (AAAA)0 / 10 pts · Dns

0 IPv6 address(es) detected.

✓

Name server redundancy20 / 20 pts · Dns

3 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

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

25 day(s) remaining.

Certificate lifetime6 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers19 / 35 pts · Security

5 of 9 evaluated headers detected.

PTR reverse DNS0 / 30 pts · Network

PTR not detected.

IPv4 diversity20 / 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/1.1 200 OK

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)

51.144.190.143

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

2 record(s)

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

TXT

7 record(s)

"v=spf1 a:mailing.hachette-livre.fr a:afmail.lagardere.fr a:hlmail1.hachette-livre.fr a:hlmail2.hachette-livre.fr a:webmail.hachette-livre.fr a:webmail2.hachette-livre.fr include:spf.protection.outlook.com include:de._netblocks.mimecast.com ~all"
"canva-site-verification=33t8DUT02pYQSXWLMQPTFw"
"google-site-verification=Df3KhXS5TDpvIajTw3rs572K5QJX7qVd3R3NNCjexC0"
"adobe-idp-site-verification=c2b8453cb0c541e2398ea6b571f8677d9fff38d929f671ed75b0b458062c2813"
"extensis-domain-verification=e9f08eae-f52c-42c4-b0b0-a1be47ffcd46"
"atlassian-domain-verification=6nj2JxGAz13XIfVKKyadNYAdCMiZZJqh4xSYYIvPMKrgLa9QYLhJvVa4f2siV82p"
"MS=ms93965365"

NS

3 record(s)

ns-215-b.gandi.net.
ns-88-c.gandi.net.
ns-216-a.gandi.net.

SOA

1 record(s)

ns1.gandi.net. hostmaster.gandi.net. 1786230024 10800 3600 604800 10800

CAA

0 record(s)

—

Not configured

DS

1 record(s)

55206 13 2 75571C2538CB3749EBEA419E06D9FE1CA312C967AF37D52A2061CE4E 775CDAA1

DNSKEY

1 record(s)

256 3 13 VS6+0AGxk+2Y9ZVC0rn6HgXwILK+jVpk3DM/FR79qB873zNqXMKYfaYb pDd8T8zIdxt9SKRqwpVG7hxkHu43Vw==

RRSIG

0 record(s)

—

Not configured

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 a:mailing.hachette-livre.fr a:afmail.lagardere.fr a:hlmail1.hachette-livre.fr a:hlmail2.hachette-livre.fr a:webmail.hachette-livre.fr a:webmail2.hachette-livre.fr include:spf.protection.outlook.com include:de._netblocks.mimecast.com ~all

DMARC

Configured

v=DMARC1; p=none; rua=mailto:dmarc-aggregate-report@hachette-livre.fr; ruf=mailto:dmarc-forensic-report@hachette-livre.fr; fo=1; adkim=r; aspf=r; pct=100

DKIM

Selector selector1

v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3gMT7PF80qZtgYQH+b3QGCjsFdLyVzBnbUeTukvx7r022GmlRvuN7MVa+2mg2BnlodCEne2tlyjpyO3xmHZZwNK4kwUV+45BRbP2OG8xMrB6apSuL0nu4HHMiZyo/48LPHsJJ0L6mkQu7DxxiMw95fCVBn4IlF/UJ1BX37Wq63KN+NjW3k3jUVB6vIuIyVxDt/Yah5q63AFKntXOcNbLzzimvexosA8LfmQUHjOrMSGerFubwd+z96OZFm+jPrZUEcDJDeE5JlLjI20jBzyFgQIVUvXru7kWmrT675dcc4hjCN/BLboyZcFyRoeTx2eOuCU2mcXoyOxLsolOVVOgjQIDAQAB;

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Livres en sciences et techniques, entreprise et économie, sciences humaines et sociales, prépas et concours, culture et loisirs - Dunod

Description

Dunod Editions. Edition de livres de savoirs pour étudiants, professionnels, amateurs en entreprise, sciences, techniques, informatique, psy, bien-être et lo...

Final URL

https://www.dunod.com/

HTTP status

200

HTTP

Status

HTTP/1.1 200 OK

Final URL

https://www.dunod.com/

Version

Server

Apache

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Gandi

*.dunod.com

Valid from

2025-08-07T19:00:00-05:00

Valid until

2026-09-06T18:59:59-05:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_256_GCM_SHA384

Security headers

5 active

✓

HSTSImplemented

✓

Content Security PolicyImplemented

✓

X-Content-Type-OptionsImplemented

✓

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

51.144.190.143

133,47 ms

Cloudflare

1.1.1.1

51.144.190.143

32,80 ms

Quad9

9.9.9.9

51.144.190.143

206,21 ms

OpenDNS

208.67.222.222

51.144.190.143

34,72 ms

AdGuard

94.140.14.14

51.144.190.143

179,44 ms

IP, geolocation and ASNAssociated network information

51.144.190.143

No data

success

country

region

city

asn

organization

isp

Visitor information

Visitor

216.73.216.212

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

de-smtp-inbound-2.mimecast.com

Port 25: Closed/unreachable - 1 ms - 
Port 465: Closed/unreachable - 4020.8 ms - 
Port 587: Closed/unreachable - 107.3 ms - 220 de-smtp-inbound-1.mimecast.com ESMTP; Wed, 12 Aug 2026 13:26:10 +0200

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