zettatek.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
zettatek.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-24 20:27:09 UTC · ↺ Refresh

MX Hostnames

  • zettatek-com.mail.protection.outlook.com

MX Priorities

  • zettatek-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 104.16.159.43 (no PTR)
  • 104.17.9.99 (no PTR)

Mail Server IPs

  • 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
  • 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
  • 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
  • 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com

SOA Record

Raw SOA isabel.ns.cloudflare.com dns.cloudflare.com 2399721502 10000 2400 604800 1800
Primary NS (mname)
isabel.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399721502
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

keaton.ns.cloudflare.com
isabel.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 redirect=zettatek.com.hosted.spf-report.com include:spf.protection.outlook.com include:spf.brevo.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]

DKIM Selectors

✓ 3 found
selector1._domainkey
selector2._domainkey
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

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

All TXT Records

12 records
  • MS=ms41601662
  • anthropic-domain-verification-32b366=TvhnXQmX5UiPjrmI1TDT0qETt
  • atlassian-domain-verification=RtZa9DOQgG7/Nwl4CSr/LVkEp5LSZfpat7W9S/MaXnVnGm/pZSmwqhhp99NES4ay
  • atlassian-domain-verification=ttB/NbEoLN639hvAo/akPKVcQtgqlMfZhMj3U8EsmAHo5o6puLmWlDZ1Vqv8QOm3
  • brevo-code:28d80f2e5259f5d772dab84fc6cc3059
  • facebook-domain-verification=bahq9k0y7va86o54doviv2agun0ja4
  • google-site-verification=CSHXTOum6JIvYpWYZ19C6TstotPnrgbJdR3BIxZzHbc
  • google-site-verification=aqcomI3LIeuTENmI9H1XFPbgBqx8RAPSWNn-AQ1j6ZA
  • have-i-been-pwned-verification=dweb_0bd7lclqglbd85uujps5nj25
  • slack-domain-verification=faq46BMQsiCeCRnExjVKuxTFfCoy8APFNx4g1LnG
  • stripe-verification=f66713ef4eeb3619fd5646b4195a2e41026ac3eecc8d4a5855e2a2523dbda85d
  • SPFv=spf1 redirect=zettatek.com.hosted.spf-report.com include:spf.protection.outlook.com include:spf.brevo.com ~all
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