Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
big-basketball.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 00:27:21 UTC · ↺ Refresh
MX Hostnames
- pepper.fredwipperfuerth.de
MX Priorities
- pepper.fredwipperfuerth.de: 100
A / AAAA Records
- 92.205.48.11 ↩ mc22569.ispgateway.de
- 2a00:1169:103:64c0:: ↩ mc22569.ispgateway.de
Mail Server IPs
- 78.35.43.146 ↩ pepper.fredwipperfuerth.de
SOA Record
Raw SOA
ns75.domaincontrol.com dns.jomax.net 2026030403 28800 7200 604800 600
Primary NS (mname)
ns75.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026030403
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns75.domaincontrol.com
ns76.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:78.25.43.130 ip4:78.35.43.146 mx include:spf.protection.outlook.com include:servers.mcsv.net include:spf.cleverreach.com a -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; adkim=s; aspf=s; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 ip4:78.25.43.130 ip4:78.35.43.146 mx include:spf.protection.outlook.com include:servers.mcsv.net include:spf.cleverreach.com a -all
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for big-basketball.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits