workbooster.ch

Valid Email Server
Domain Lookup › workbooster.ch

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
workbooster.ch
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-12 04:47:20 UTC · ↺ Refresh

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MX Hostnames

  • workbooster-ch.gate.seppmail.cloud

MX Priorities

  • workbooster-ch.gate.seppmail.cloud: 10

A / AAAA Records

  • 77.72.183.82 (no PTR)

Mail Server IPs

  • 217.20.196.81 ↩ 217-20-196-81.ch-zh1.pool-ewcs.ch
  • 86.119.35.35 ↩ fl-1-35.zhdk.cloud.switch.ch
  • 2a01:4aa0:0:8::35 ↩ gate.ch.seppmail.cloud
  • 2001:620:5ca1:1f0:f816:3eff:fe96:d78e (no PTR)

SOA Record

Raw SOA ns1.funktionierts.ch info.workbooster.ch 2026090518 7200 120 2419200 10800
Primary NS (mname)
ns1.funktionierts.ch
Admin Email (rname)
info@workbooster.ch
Serial
2026090518
Refresh
7200s
Retry
120s
Expire
2419200s
Minimum TTL
10800s

Nameservers (NS)

ns3.funktionierts.ch
ns1.funktionierts.ch
ns2.funktionierts.ch

SPF Record

✓ Strict (-all)
v=spf1 +ip4:77.72.183.81/27 +ip4:150.70.184.32 +ip4:150.70.184.33 +ip4:66.180.82.37 +ip4:66.180.82.38 +ip4:66.180.82.39 include:_cmspf.cleanmail.ch include:_spf.ch.seppmail.cloud -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]; fo=1; ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]

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

7 records
  • openai-domain-verification=dv-6N9qPE2tHVrzWobXsieS9hkD
  • MS=E842BD112E6026F69BBF55279623EC9CDB3B52F9
  • SPFv=spf1 +ip4:77.72.183.81/27 +ip4:150.70.184.32 +ip4:150.70.184.33 +ip4:66.180.82.37 +ip4:66.180.82.38 +ip4:66.180.82.39 include:_cmspf.cleanmail.ch include:_spf.ch.seppmail.cloud -all
  • swisssign-check=5ojO7QlQSDl48uz95XevYxUCH0M
  • swisssign-check=PPEO52UW4rSgDRORIKFGfw7OXIY
  • 8k8o8eiicckr14h1voqu9kgasd
  • swisssign-check=pmyndLp8K5UdrJv9WegbNz71t0M
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