Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sioux.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-24 15:28:57 UTC · ↺ Refresh
MX Hostnames
- mail.sioux.de
MX Priorities
- mail.sioux.de: 10
A / AAAA Records
- 37.228.157.11 ↩ cybercrimeschutz.ph.de
Mail Server IPs
- 213.23.74.130 ↩ mail.sioux.de
SOA Record
Raw SOA
ns.udag.de hostmaster.united-domains.de 2024092090 10800 3600 604800 3600
Primary NS (mname)
ns.udag.de
Admin Email (rname)
hostmaster@united-domains.de
Serial
2024092090
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns.udag.de
ns.udag.net
ns.udag.org
SPF Record
✓ Strict (-all)
v=spf1 a:mail.sioux.de ip4:178.250.10.111 include:spf.docsellent.de include:spf.crsend.com include:spf.mail-exchange.services -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a:mail.sioux.de ip4:178.250.10.111 include:spf.docsellent.de include:spf.crsend.com include:spf.mail-exchange.services -all
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