zhdk.ch

Valid Email Server
Domain Lookup › zhdk.ch

Domain Overview

DNS: ✓ 1mo ago Checker: ✓ 1mo ago
zhdk.ch
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-09 05:25:20 UTC · ↺ Refresh

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MX Hostnames

  • zhdk-ch.mail.protection.outlook.com
  • smtp.zhdk.ch

MX Priorities

  • zhdk-ch.mail.protection.outlook.com: 10
  • smtp.zhdk.ch: 70

A / AAAA Records

  • 195.176.247.146 ↩ phlox-gw.zhdk.ch

Mail Server IPs

  • 52.101.209.28 ↩ mail-cpjpr05cu00104.inbound.protection.outlook.com
  • 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 195.176.247.158 ↩ relay04.zhdk.ch
  • 195.176.247.157 ↩ relay03.zhdk.ch
  • 2001:620:120:2::157 ↩ relay03.zhdk.ch
  • 2001:620:120:2::158 ↩ relay04.zhdk.ch

SOA Record

Raw SOA pri1-ext.zhdk.ch hostmaster.zhdk.ch 2026090818 3600 600 1209600 3600
Primary NS (mname)
pri1-ext.zhdk.ch
Admin Email (rname)
hostmaster@zhdk.ch
Serial
2026090818
Refresh
3600s
Retry
600s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns1.zhdk.ch
ns2.zhdk.ch

SPF Record

✓ Strict (-all)
v=spf1 mx:zhdk.ch include:spf.refline.ch include:spf.abxsec.com include:spfhard.crsend.com include:spf.protection.outlook.com include:spf.augure.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → 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

11 records
  • HFtHQHfK10LEP6rPtQMuntdhrGd1m9OuNEZGULFqxAvkbIh3exo256CWJu849d0nzAQriIPX6uM4FwA62YkfbA==
  • MS=83BA8E548161C92337360E6118130111EEA5638C
  • adobe-idp-site-verification=95484ee3-9776-46ed-bba6-c809f77636a9
  • anthropic-domain-verification-g69n19=BSXy9YuTO4M3wkvrof3HWRGlR
  • apple-domain-verification=cpHEs64ywBTFZ8e1
  • jamf-site-verification=HbWrxQh7PymFmkDXr9ecfg
  • miro-verification=867c1ebd9d3a0477e206ee5951f047343bf7481f
  • pHVuKadw2Ufp4Xiy8a1h6A2q2yk0roBu9C/veRENelFyuXK2N5aJ+5mXpEN/59uSXVhKImPxePaGXh9BEkD83A==
  • SPFv=spf1 mx:zhdk.ch include:spf.refline.ch include:spf.abxsec.com include:spfhard.crsend.com include:spf.protection.outlook.com include:spf.augure.com -all
  • ynykfg3z01t05dsvkq67fmdyb4xswxlm
  • 272abdfe-f526-4166-972f-9039afb08517
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