co.fresno.ca.us

No Valid Email Server
Domain Lookup › co.fresno.ca.us
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
co.fresno.ca.us
No
None
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-06-03 07:02:59 UTC · ↺ Refresh

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MX Hostnames

No MX records found.

MX Priorities

No priority data.

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

No IPs resolved.

SOA Record

Raw SOA ns1-37.azuregov-dns.us azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-37.azuregov-dns.us
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns4-37.azuregov-dns.us
ns1-37.azuregov-dns.us
ns2-37.azuregov-dns.us
ns3-37.azuregov-dns.us

SPF Record

✓ Strict (-all)
v=spf1 ip4:64.171.224.83 ip4:192.254.121.248 include:spf.protection.outlook.com include:spf5.co.fresno.ca.us -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; sp=reject; adkim=s; aspf=s; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: reject

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

7 records
  • SPFv=spf1 ip4:64.171.224.83 ip4:192.254.121.248 include:spf.protection.outlook.com include:spf5.co.fresno.ca.us -all
  • apple-domain-verification=QlvLM3JcfG9IpOyy
  • cisco-ci-domain-cisco-ci-domain-verification=277fdbf45ac8e7a7f42a2f2a36e5491c7d869104c07bfc490535634abb605fcb
  • have-i-been-pwned-verification=df3f5ba2d78b5a066470f84f0241c919
  • 4ko64TvaZynRzfsE2oeazyIh77FZ7i/YIH+YVwQ8Vr5lB6uro6R7ZavwH2mu/Ym8k4Dc725L48NQZJnMNVv7TQ==
  • knowbe4-site-verification=43a0f98372664b4ecdaf94b21b1aa446
  • MS=ms18317484
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