Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
stb-mb.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 17:16:38 UTC · ↺ Refresh
MX Hostnames
- mx23b.antispameurope.com
- mx23a.antispameurope.com
- mx23c.antispameurope.com
- mx23d.antispameurope.com
MX Priorities
- mx23d.antispameurope.com: 200
- mx23a.antispameurope.com: 10
- mx23c.antispameurope.com: 100
- mx23b.antispameurope.com: 20
A / AAAA Records
- 85.214.86.81 ↩ h2894043.stratoserver.net
Mail Server IPs
- 83.246.65.85 ↩ hsmx01-hz2.antispameurope.com
- 94.100.132.100 ↩ hsmx01.antispameurope.com
- 94.100.134.10 ↩ hsmx06.antispameurope.com
- 83.246.65.100 ↩ nlb01-hz2.hornetsecurity.com.65.246.83.in-addr.arpa
SOA Record
Raw SOA
shades02.rzone.de hostmaster.strato-rz.de 2022083027 86400 7200 604800 300
Primary NS (mname)
shades02.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2022083027
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
docks06.rzone.de
shades02.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 a include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=r; aspf=r; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- stbmb-de0i.mail.protection.outlook.com
- google-site-verification=er26oLwHwpVyI4UktJ73VThqQuKLefhwbgwXoNrigOk
- SPFv=spf1 a include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
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