zsz.ch

Valid Email Server
Domain Lookup › zsz.ch

Domain Overview

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

Checked via [email protected] · 2026-09-12 17:09:09 UTC · ↺ Refresh

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MX Hostnames

  • alt2.aspmx.l.google.com
  • alt3.aspmx.l.google.com
  • alt4.aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • aspmx.l.google.com

MX Priorities

  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5
  • aspmx.l.google.com: 1
  • alt3.aspmx.l.google.com: 10
  • alt4.aspmx.l.google.com: 10

A / AAAA Records

  • 104.18.10.57
  • 104.18.11.57
  • 2606:4700::6812:a39
  • 2606:4700::6812:b39

Mail Server IPs

  • 192.178.234.26 ↩ ncsclj-in-f26.1e100.net
  • 2800:3f0:4003:c14::1a (no PTR)
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 142.251.163.27 ↩ wv-in-f27.1e100.net
  • 2607:f8b0:4004:c06::1b ↩ bg-in-f27.1e100.net
  • 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
  • 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
  • 172.253.157.27 ↩ yubrupd-in-f27.1e100.net
  • 2a00:1450:400c:c23::1b ↩ yubrupd-in-f27.1e100.net

SOA Record

Raw SOA becky.ns.cloudflare.com dns.cloudflare.com 2412810588 10000 2400 604800 1800
Primary NS (mname)
becky.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2412810588
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

porter.ns.cloudflare.com
becky.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.zsz.ch.eu-i5xs0ljo.e1.dspf.app -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

✓ 1 found
google._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

9 records
  • docusign=b714d23c-58ae-4309-9b9e-8b0d3dd5b874
  • google-site-verification=2FFBsDs-k22ZY_wOu4iraZpBYzddU2f4IU6sHtkENzE
  • google-site-verification=KlTPEtCMkAGvmh0kz9K8pYa4-1R6ZKe6CR-gRwIvDTs
  • google-site-verification=cakbP7oiLY9w5CbWEz3zI8IkIm-mm-CO5Rwl1A7xyFo
  • google-site-verification=p7gkJRLCVj_Sb4i2bZ-UJULFzItjxSYDgOZt4JC4KUc
  • miro-verification=845bda1ec8ccc9b317c419337dea3505f78009e5
  • notion-domain-verification=MmdSN00vuKwzCYUB2bf3UBoO2wHDcSV1jF9k4fZV75s
  • SPFv=spf1 include:spf.zsz.ch.eu-i5xs0ljo.e1.dspf.app -all
  • ZOOM_verify_YTFQ6nQPdRxX1Amr464g7J
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