Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
semaphores.fr
Yes
โ Yes
Mimecast
No
No
โ Yes
No
No
Checked via [email protected]
ยท 2026-03-23 07:27:54 UTC ยท โบ Refresh
MX Hostnames
- de-smtp-inbound-1.mimecast.com
- de-smtp-inbound-2.mimecast.com
MX Priorities
- de-smtp-inbound-2.mimecast.com: 10
- de-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 185.86.171.116 (no PTR)
Mail Server IPs
- 194.104.110.22 โฉ de-smtp-inbound-2.mimecast.com
- 194.104.108.22 โฉ de-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
obs.ns1.fr technical.nameshield.net 2026021817 28800 7200 604800 7200
Primary NS (mname)
obs.ns1.fr
Admin Email (rname)
technical@nameshield.net
Serial
2026021817
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
7200s
Nameservers (NS)
obs.ns1.fr
ns3.nameshield.net
ns2.observatoiredesmarques.fr
SPF Record
โ Strict (-all)
v=spf1 include:spf-part1.semaphores.fr include:spf-part2.semaphores.fr -all
๐ DNS lookups: 2/10
โ Hard fail (-all) โ strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine โ good protection (failing mail goes to spam)
๐ SPF alignment: Relaxed
ยท DKIM alignment: Relaxed
๐ง Reports โ mailto:[email protected]
DKIM Selectors
โ 5 found
selector1._domainkey
selector2._domainkey
mail._domainkey
s1._domainkey
s2._domainkey
โ Public key: 216 chars (valid)
โ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
10 records- Sendinblue-code:5b08b6c39c8c5376243081c0a81066a7
- SPFv=spf1 include:spf-part1.semaphores.fr include:spf-part2.semaphores.fr -all
- _s9kpjobb0kycbln0t10wb1y6f1qqowl
- proxy-ssl.webflow.com
- google-site-verification=1N3SCYlQpQ9fqn9zwOG-ps4qIt9LetYDUwv-lkgBY5g
- brevo-code:a5ff888eed1243411113a25beb024f77
- google-site-verification=HbqzurmusQLWUfW9ZLUleSGVWqvBvA4EztloTyLXKcM
- brevo-code:5b08b6c39c8c5376243081c0a81066a7
- brevo-code:3a32daedee8befb9d98373436f5fceb9
- smartsheet-site-validation=dGLojeqzOAO99Lf1k6UH1PKeFf_CG8Nk
Free ยท No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts โ unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for semaphores.fr
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits