staechelin.de

Valid Email Server
Domain Lookup › staechelin.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
staechelin.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-02 03:51:19 UTC · ↺ Refresh

MX Hostnames

  • mx-01-eu-central-1.prod.hydra.sophos.com
  • mx-02-eu-central-1.prod.hydra.sophos.com

MX Priorities

  • mx-02-eu-central-1.prod.hydra.sophos.com: 20
  • mx-01-eu-central-1.prod.hydra.sophos.com: 10

A / AAAA Records

  • 195.137.172.163 (no PTR)

Mail Server IPs

  • 52.57.183.85 ↩ ec2-52-57-183-85.eu-central-1.compute.amazonaws.com
  • 18.159.80.41 ↩ ec2-18-159-80-41.eu-central-1.compute.amazonaws.com

SOA Record

Raw SOA ns1.mybluesun.ch technics.bluesun.ch 2023092206 10800 3600 1209600 900
Primary NS (mname)
ns1.mybluesun.ch
Admin Email (rname)
technics@bluesun.ch
Serial
2023092206
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
900s

Nameservers (NS)

ns1.mybluesun.ch
ns2.mybluesun.ch

SPF Record

✓ Strict (-all)
v=spf1 include:_spf_eucentral1.prod.hydra.sophos.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No 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
  • sophos-domain-verification=39c2fc1561bf62a06b1e88c43571df9a67b412c4
  • MS=ms26704734
  • SPFv=spf1 include:_spf_eucentral1.prod.hydra.sophos.com -all
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