Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
externe.grdf.fr
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 18:49:29 UTC · ↺ Refresh
MX Hostnames
- externe-grdf-fr.mail.protection.outlook.com
MX Priorities
- externe-grdf-fr.mail.protection.outlook.com: 0
A / AAAA Records
- 83.150.246.8 ↩ lb-tracking-crm-2.numberly.com
Mail Server IPs
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
SOA Record
No SOA record found.
Nameservers (NS)
No nameservers found.
SPF Record
✓ Strict (-all)
v=spf1 mx include:_gtw.grdf.fr include:spf.tipimail.com include:spf.protection.outlook.com include:mm-send.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; pct=100; aspf=r; adkim=r; rua=mailto:[email protected],mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
3 records- yahoo-verification-key=w95s2XIH1YvxNX6FRDIcKpGlX8HRcT+zseD6IUIyutg=
- google-site-verification=xOTi8XAZMuPIWkz72nWU09x3r9ZLiqs4heynkWKHeFQ
- SPFv=spf1 mx include:_gtw.grdf.fr include:spf.tipimail.com include:spf.protection.outlook.com include:mm-send.com -all
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