Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sauerbruchhutton.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 14:02:24 UTC · ↺ Refresh
MX Hostnames
- port.sauerbruchhutton.de
MX Priorities
- port.sauerbruchhutton.de: 20
A / AAAA Records
- 217.160.100.35 (no PTR)
Mail Server IPs
- 212.86.34.55 ↩ port.sauerbruchhutton.com
SOA Record
Raw SOA
docks02.rzone.de hostmaster.strato-rz.de 2023030554 86400 7200 604800 300
Primary NS (mname)
docks02.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2023030554
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
docks02.rzone.de
shades18.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:212.86.34.48/28 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; pct=50; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
⚠ Policy applies to 50% of failing messages only
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- include:spf.abacuscity.ch
- SPFv=spf1 ip4:212.86.34.48/28 -all
- MS=ms53171093
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