Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
fes-reutlingen.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 21:06:56 UTC · ↺ Refresh
MX Hostnames
- gwserver01.fes-reutlingen.de
- relay.rzone.de
MX Priorities
- gwserver01.fes-reutlingen.de: 20
- relay.rzone.de: 100
A / AAAA Records
- 85.25.185.150 ↩ serv003.vgserver.de
Mail Server IPs
- 77.73.111.14 (no PTR)
- 81.169.145.96 ↩ relay.rzone.de
SOA Record
Raw SOA
docks20.rzone.de hostmaster.strato-rz.de 2023111462 86400 7200 604800 300
Primary NS (mname)
docks20.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2023111462
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
shades18.rzone.de
docks20.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 mx a:serv001.vgserver.de include:_spf.strato.com include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; sp=none; fo=1; ri=86400; adkim=r; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
mail._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- brevo-code:82f02d37a4f11db9a02703154c88805b
- "Freie Evangelische Schule, Koenigstraessle 27, 72766 Reutlingen"
- "apple-domain-verification=cumByHKzmaXNNpbh"
- "MS=669B08D07CAD7DBB34791B4A0EBBC6D55679DA9F3600"
- SPFv=spf1 mx a:serv001.vgserver.de include:_spf.strato.com include:spf.protection.outlook.com -all
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