Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sprint.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 11:19:47 UTC · ↺ Refresh
MX Hostnames
- sprint-de.mail.protection.outlook.com
MX Priorities
- sprint-de.mail.protection.outlook.com: 0
A / AAAA Records
- 167.235.173.78 ↩ k73e28.meinserver.io
Mail Server IPs
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.telekom-domains.de dns.telekom.de 2026031706 10800 3600 2419200 43200
Primary NS (mname)
ns1.telekom-domains.de
Admin Email (rname)
dns@telekom.de
Serial
2026031706
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
43200s
Nameservers (NS)
ns1.telekom-domains.de
ns2.telekom-domains.de
SPF Record
✓ Strict (-all)
v=spf1 a mx a:gdc-smx.connect.guidecom.de ip4:116.203.188.178 ip4:3.67.54.56 ip4:3.65.81.9 ip4:145.14.227.201 include:spf.mailjet.com include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._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- apple-domain-verification=ibEgMKNBms3pr5Ht
- d4xo1XkjtK7bskpuBTW47dOtjY4uEAeOPRx8bIkBqGLanoMwWa9UuBpivRwXGqo8gqeKqOIjObgFe0wGUiR6FQ==
- SPFv=spf1 a mx a:gdc-smx.connect.guidecom.de ip4:116.203.188.178 ip4:3.67.54.56 ip4:3.65.81.9 ip4:145.14.227.201 include:spf.mailjet.com include:spf.protection.outlook.com -all
- remarkable-domain-verification=113d3fc6-b370-4e7c-943e-2fb5fa57654b
- KlpNSSY4mCMkrS3+XJk+qiy0/hQAtSF7EW9puvsY+PuGMtaWBevpnFfBE9Y9MJGDkrhfRMiMNw6HBSRM+Nr4VA=
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