Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cerritos.edu
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 22:53:58 UTC · ↺ Refresh
MX Hostnames
- d139676b.ess.barracudanetworks.com
- d139676a.ess.barracudanetworks.com
MX Priorities
- d139676b.ess.barracudanetworks.com: 20
- d139676a.ess.barracudanetworks.com: 10
A / AAAA Records
- 198.188.98.19 ↩ www.cerritos.edu
Mail Server IPs
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns3.cerritos.edu hostmaster.cerritos.edu 2025021341 7200 3600 2419200 300
Primary NS (mname)
ns3.cerritos.edu
Admin Email (rname)
hostmaster@cerritos.edu
Serial
2025021341
Refresh
7200s
Retry
3600s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns6.cenic.org
ns3.cerritos.edu
ns5.cenic.org
ns2.cerritos.edu
ns4.cenic.org
SPF Record
✓ Strict (-all)
v=spf1 include:spf1.cerritos.edu include:spf2.cerritos.edu -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
google._domainkey
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
14 records- google-site-verification=J9EakOifjA-DKKshXJ9u01qYo84yQDW6f2V5yOy22sE
- /R5aE6Oiy4KPyEZN/xdIp+51rh9CXrxK/Gcd210vEx3MaxWmSpz5NJKuol4tdV/7bV/0o1WKXwfSLvb4KnEybg==
- ZOOM_verify__yh3G85bRUiegdZKVCK5Sw
- docusign=e2579e33-e55f-46c6-9477-58781aac505f
- docusign=07ea48be-2445-48df-9b14-1116c86ead2a
- MS=ms16756925
- autodesk-domain-verification=HwT1-TL3AHH0sgaHZJ5Z
- N0MDij1lvF34OQRU7uHZR2C2X0/I0wLtZt+gc0iemJSgs+zuPKpr9pYWiurs9HpBGb+9mEi5m9Pa638P/1UW0A==
- SPFv=spf1 include:spf1.cerritos.edu include:spf2.cerritos.edu -all
- apple-domain-verification=UNPrep14DojbxoPr
- google-site-verification=4aB7pppKfXKh4inkPOFaTrS5KanEsfkk2nUC2kJp3GU
- adobe-idp-site-verification=73537fa96bf94841c0d5d9bdcb9a6c432141ab6e089b52a3d339d97cf428e08b
- BPL=6113577
- yahoo-verification-key=4a9VMKcTA13iNTmjPhyaYguqWPCUkyBnH4aQLq8AaF4=
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