Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
xtend.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 20:28:22 UTC · ↺ Refresh
MX Hostnames
- mx.xtend.de
MX Priorities
- mx.xtend.de: 10
A / AAAA Records
- 217.110.39.73 (no PTR)
Mail Server IPs
- 62.96.135.108 (no PTR)
SOA Record
Raw SOA
ns1.domaindiscount24.net tech.key-systems.net 2026022705 10800 3600 604800 28800
Primary NS (mname)
ns1.domaindiscount24.net
Admin Email (rname)
tech@key-systems.net
Serial
2026022705
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
28800s
Nameservers (NS)
ns3.domaindiscount24.net
ns1.domaindiscount24.net
ns2.domaindiscount24.net
SPF Record
✓ Strict (-all)
v=spf1 a:mail.xtend.de a:mail.xtend-services.de -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; rf=afrf; ri=86400; adkim=r; aspf=r; fo=0
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
dkim._domainkey
s1._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
3 records- MS=ms70226200
- SPFv=spf1 a:mail.xtend.de a:mail.xtend-services.de -all
- brevo-code:3a72aeb6618d37b8c5d5962d20ac5213
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