Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kurzelektronik.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 07:27:00 UTC · ↺ Refresh
MX Hostnames
- mail50.kurzelektronik.de
MX Priorities
- mail50.kurzelektronik.de: 10
A / AAAA Records
- 217.160.0.136 ↩ 217-160-0-136.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::20f ↩ 2001-08d8-100f-f000-0000-0000-0000-020f.elastic-ssl.ui-r.com
Mail Server IPs
- 87.138.220.236 ↩ mail50.kurzelektronik.de
SOA Record
Raw SOA
ns1057.ui-dns.de hostmaster.1und1.de 2016110453 28800 7200 604800 300
Primary NS (mname)
ns1057.ui-dns.de
Admin Email (rname)
hostmaster@1und1.de
Serial
2016110453
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1057.ui-dns.biz
ns1057.ui-dns.org
ns1057.ui-dns.de
ns1057.ui-dns.com
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:217.160.0.136 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=reject; pct=100; adkim=r; aspf=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 1 found
s1._domainkey
✓ Public key: 736 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- v=verifydomain MS=3149193
- SPFv=spf1 mx ip4:217.160.0.136 -all
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