Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dfki.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-24 10:05:58 UTC · ↺ Refresh
MX Hostnames
- dfki-de.mail.protection.outlook.com
MX Priorities
- dfki-de.mail.protection.outlook.com: 0
A / AAAA Records
- 134.96.191.59 ↩ lnv-91059.sb.dfki.de
Mail Server IPs
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.dfki.de hostmaster.dfki.de 2026031700 21600 3600 3600000 86400
Primary NS (mname)
ns1.dfki.de
Admin Email (rname)
hostmaster@dfki.de
Serial
2026031700
Refresh
21600s
Retry
3600s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
deneb.dfn.de
ns1.dfki.de
ns.informatik.uni-bremen.de
ns.rz.uni-saarland.de
ns2.dfki.de
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf-sb.dfki.de include:spf-kl.dfki.de include:spf-x.dfki.de include:spf.protection.outlook.com include:spfa.myconvento.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 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- SPFv=spf1 include:spf-sb.dfki.de include:spf-kl.dfki.de include:spf-x.dfki.de include:spf.protection.outlook.com include:spfa.myconvento.com ~all
- adobe-idp-site-verification=267539f8a8a260369b0162359443db47a3d709c51c1552a16db95a29319a2229
- google-site-verification=6iKtuyAdMvNDq_EvhxhMP-GXOlSDSjUgkvoDwFjBcGQ
- _telesec-domain-validation=2025-02-18_ALjPA1kGxDGUjsm1EtBUeH8aajovKFyPE6vOEtgqcr4yhXaxNp
- MS=8CFBE5FC2F594347D3578EE9B29997E004FDAF0E
Full email verification for dfki.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits