Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
pro-b.net
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 14:25:33 UTC · ↺ Refresh
MX Hostnames
- mail.pro-b.net
MX Priorities
- mail.pro-b.net: 1
A / AAAA Records
- 217.160.0.133 ↩ 217-160-0-133.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::27e ↩ 2001-08d8-100f-f000-0000-0000-0000-027e.elastic-ssl.ui-r.com
Mail Server IPs
- 91.26.26.114 ↩ mail.pro-b.net
SOA Record
Raw SOA
ns1036.ui-dns.com hostmaster.kundenserver.de 2017031530 28800 7200 604800 300
Primary NS (mname)
ns1036.ui-dns.com
Admin Email (rname)
hostmaster@kundenserver.de
Serial
2017031530
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1036.ui-dns.com
ns1036.ui-dns.org
ns1036.ui-dns.biz
ns1036.ui-dns.de
SPF Record
✓ Strict (-all)
v=spf1 mx include:_spf.perfora.net include:_spf.kundenserver.de -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; pct=10; adkim=r; aspf=r;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 10% of failing messages only
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 mx include:_spf.perfora.net include:_spf.kundenserver.de -all
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