Domain Overview
DNS: ✓ 12h ago
Checker: ✓ 12h ago
6si.fr
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-20 15:47:14 UTC · ↺ Refresh
MX Hostnames
- vade-mx-fr01.hornetsecurity.com
- vade-mx-fr02.hornetsecurity.com
- vade-mx-eu-fallback02.hornetsecurity.com
- vade-mx-eu-fallback01.hornetsecurity.com
MX Priorities
- vade-mx-fr02.hornetsecurity.com: 10
- vade-mx-eu-fallback02.hornetsecurity.com: 20
- vade-mx-fr01.hornetsecurity.com: 10
- vade-mx-eu-fallback01.hornetsecurity.com: 20
A / AAAA Records
- 51.91.236.193 ↩ cluster028.hosting.ovh.net
- 2001:41d0:301::28 (no PTR)
Mail Server IPs
- 94.100.138.100 ↩ hsmx01-hz12.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
SOA Record
Raw SOA
ns1.gandi.net hostmaster.gandi.net 1778716800 10800 3600 604800 10800
Primary NS (mname)
ns1.gandi.net
Admin Email (rname)
hostmaster@gandi.net
Serial
1778716800
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
ns-188-a.gandi.net
ns-245-b.gandi.net
ns-134-c.gandi.net
SPF Record
✓ Strict (-all)
v=spf1 a ip4:185.50.79.90 ip4:94.143.80.153 include:spf.protection.outlook.com include:spf.hornetsecurity.com include:spf.ics.fr include:spf2.ics.fr -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=r; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
4 records- brevo-code:e4bf8fe0df1b5038cfddd5fab07d971e
- MS=ms80509742
- SPFv=spf1 a ip4:185.50.79.90 ip4:94.143.80.153 include:spf.protection.outlook.com include:spf.hornetsecurity.com include:spf.ics.fr include:spf2.ics.fr -all
- apple-domain-verification=4NFBpKBnvifH5CL0
Full email verification for 6si.fr
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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