cisd.org

Valid Email Server
Domain Lookup › cisd.org

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cisd.org
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-26 05:35:29 UTC · ↺ Refresh

MX Hostnames

  • smtp.google.com

MX Priorities

  • smtp.google.com: 1

A / AAAA Records

  • 216.213.255.154 ↩ ascender-prtl06.esc11.net
  • 104.17.71.73

Mail Server IPs

  • 142.251.163.26 ↩ wv-in-f26.1e100.net
  • 142.251.16.27 ↩ bl-in-f27.1e100.net
  • 64.233.180.27 ↩ on-in-f27.1e100.net
  • 64.233.180.26 ↩ pe-in-f26.1e100.net
  • 142.251.16.26 ↩ bl-in-f26.1e100.net
  • 2607:f8b0:4004:c21::1a ↩ pe-in-f26.1e100.net
  • 2607:f8b0:4004:c17::1b ↩ bl-in-f27.1e100.net
  • 2607:f8b0:4004:c17::1a ↩ bl-in-f26.1e100.net
  • 2607:f8b0:4004:c21::1b ↩ pe-in-f27.1e100.net

SOA Record

Raw SOA ns05.domaincontrol.com dns.jomax.net 2025123004 28800 7200 604800 600
Primary NS (mname)
ns05.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025123004
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns05.domaincontrol.com
ns06.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:38.147.98.0/24 ip4:98.97.248.0/21 ip4:162.247.216.0/22 ip4:66.195.143.26 ip4:8.12.72.20 redirect=_spf.mail.yahoo.com include:_spf.google.com include:spf.protection.outlook.com include:customerspf.schoolmessenger.com include:spf.schoolwires.net include:spf.gaggle.net -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: s1

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

All TXT Records

8 records
  • google-gws-recovery-domain-verification=58461137
  • adobe-idp-site-verification=71276a9a1be7c2c19e8a13e2c5525f33265cc4c29214918eae5588653be90229adobe-idp-site-verification=71276a9a1be7c2c19e8a13e2c5525f33265cc4c29214918eae5588653be90229
  • 7ln2d5au7e7o1k3s4ag0fbrb0f
  • google-site-verification=3H2p5JtdJCziG07wEe1PI_eE9j-lXIKFXDHRM91njMc
  • MS=ms66567453
  • @
  • SPFv=spf1 a mx ip4:38.147.98.0/24 ip4:98.97.248.0/21 ip4:162.247.216.0/22 ip4:66.195.143.26 ip4:8.12.72.20 redirect=_spf.mail.yahoo.com include:_spf.google.com include:spf.protection.outlook.com include:customerspf.schoolmessenger.com include:spf.schoolwires.net include:spf.gaggle.net -all
  • google-gws-recovery-domain-verification=55680211
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