Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sanofi-aventis.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 17:07:07 UTC · ↺ Refresh
MX Hostnames
- de-smtp-inbound-2.mimecast.com
- de-smtp-inbound-1.mimecast.com
MX Priorities
- de-smtp-inbound-2.mimecast.com: 5
- de-smtp-inbound-1.mimecast.com: 5
A / AAAA Records
- 54.247.151.159 ↩ ec2-54-247-151-159.eu-west-1.compute.amazonaws.com
Mail Server IPs
- 194.104.108.22 ↩ de-smtp-inbound-2.mimecast.com
- 194.104.110.22 ↩ de-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
ns1.sanofi-synthelabo.com gtly-domtech.sanofi.com 2016031191 28800 14400 3600000 900
Primary NS (mname)
ns1.sanofi-synthelabo.com
Admin Email (rname)
gtly-domtech@sanofi.com
Serial
2016031191
Refresh
28800s
Retry
14400s
Expire
3600000s
Minimum TTL
900s
Nameservers (NS)
ns1.sanofi-synthelabo.com
ns2.sanofi-synthelabo.com
ns3.sanofi-synthelabo.com
ns4.sanofi-synthelabo.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf-a.sanofi.com include:spf-c.sanofi.com include:spf.protection.outlook.com include:de._netblocks.mimecast.com include:us._netblocks.mimecast.com ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- miro-verification=bb84b539f095145588a21d54bcc6c9f01e90dcdf
- SPFv=spf1 include:spf-a.sanofi.com include:spf-c.sanofi.com include:spf.protection.outlook.com include:de._netblocks.mimecast.com include:us._netblocks.mimecast.com ~all
- MS=ms47869035
- aii3yDJgpX7/S2HJIhQ83viV58MIcEmdCpzY86gR//gT3A4IQMXk2lBcJTFO9SwiMO1EHLvXP16ay35keMbj/g==
- apple-domain-verification=39rCSxRKpHLCyATS
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