mersen.com

HTML metadata

Title

Mersen, Global expert in electrical power and advanced materials

Description

Mersen develops customized solutions and delivers key products to its clients in order to meet the new technological challenges shaping tomorrow’s world.

Language

en

Generator

Drupal 11 (https://www.drupal.org)

Canonical

https://www.mersen.com/en

Translations

de-de
en
en-us
fr
fr-fr

Open Graph

title: Mersen, Global expert in electrical power and advanced materials
video: https://youtu.be/dIe3aGR55Tg
description: Mersen develops customized solutions and delivers key products to its clients in order to meet the new technological challenges shaping tomorrow’s world.

Technology

CDN: Fastly
CMS: Drupal

Social

Contact

Address: 1 bis place de la Défense, 92400, Tour Trinity, Courbevoie, France

Registration

Registrar

EuroDNS S.A.

Created

2006-04-26

Expires

2027-04-26 342 days left

Updated

2026-04-20

Name servers

ns1.eurodns.com
ns2.eurodns.com
ns3.eurodns.com
ns4.eurodns.com

DNS records live

NS

ns1.eurodns.com
ns2.eurodns.com
ns3.eurodns.com
ns4.eurodns.com

MX

10 mx0a-00115902.pphosted.com
20 mx0b-00115902.pphosted.com

TXT

Show 9 TXT records

google-site-verification=3T3pj0ul5ZT4SA3t4ZwIcRzwh-IY2elDY132brgQLt0
cefa0a3394aae5aba84ddf3d8ccc7741f22e1ca527c5da0633
d34LVXaALni/5I4ruc3ao3edTFlxPm30RM9PWkuOcGp2a6zVXk4lwy5Vlv6ZUFNfNj7aEhJeSv+V3XzUt0ybjg==
docusign=a828c1ff-e376-4ae0-8b5a-c9c24a35ccb5
docusign=943ffae8-95c3-47c8-b91c-7c7ba709c439
apple-domain-verification=H84ZLTv0WRuO4DYg
google-site-verification=i6gaJZgfMGy6-gg5kDVXr5PmSzVeYgpMD1g3ndNosyY
brevo-code:01f42ac63d0d9c10583ec16572fc01cb
google-site-verification=Y55G4ctbZV4dzBNBNC1A9djA_ufctm5eTCENLEkBcYU

Email authentication strong

SPF

v=spf1 a:mersen.com include:spf.protection.outlook.com include:spf-00115902.pphosted.com include:sendgrid.net include:em6876.mersen.com a:sd-87888.mersen.com ip4:164.138.243.213 ip4:170.207.37.144 ip4:170.207.37.145 ip4:98.85.207.89 ip4:44.194.142.81 ip4:44.235.179.233 ip4:44.245.65.175 ip4:51.159.100.201 ip4:149.72.227.54 ip4:213.162.32.117 ip4:3.123.206.219 ip4:3.68.129.51 ip4:35.181.156.191 ip4:13.36.253.151 ip4:85.158.120.0/24 ~all

softfail (~all)

DMARC

v=DMARC1; p=reject; sp=reject; pct=100;aspf=r;adkim=r;rua=mailto:dmarc_rua@emaildefense.proofpoint.com,mailto:dmarc_agg@vali.email;

policy: reject (enforced) · sp=reject

DKIM

selector2: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDu/vtUS3bI5tGur8GOre+b2neXPiRJjHISR5pgPame+dNce/Vu6Jx0pZJhkcw/IFh9VgC2TVW3Cg6adYSxhW…
k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
mail: k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+lsmTxid2Y2z…

selectors probed

Certificate (current)

R12

from 2026-04-05 to 2026-07-04

Expires in 47 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://www.mersen.com/en

present

strict-transport-security
x-frame-options
x-content-type-options

findings

missing Content Security Policy
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
strict-transport-security: max-age=31557600