Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
quadrant.net
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 11:27:08 UTC · ↺ Refresh
MX Hostnames
- mx.quadrant.net
MX Priorities
- mx.quadrant.net: 10
A / AAAA Records
- 204.8.72.39 ↩ cms.quadrant.net
Mail Server IPs
- 204.8.72.122 ↩ filter-mx.quadrant.net
SOA Record
Raw SOA
ns1.quadrant.net hostmaster.quadrant.net 2026022500 7200 1800 604800 3600
Primary NS (mname)
ns1.quadrant.net
Admin Email (rname)
hostmaster@quadrant.net
Serial
2026022500
Refresh
7200s
Retry
1800s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns3.quadrant.net
ns2.quadrant.net
ns1.quadrant.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:204.8.72.0/24 ip4:204.8.73.0/24 ip4:10.88.88.0/24 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 ip4:204.8.72.0/24 ip4:204.8.73.0/24 ip4:10.88.88.0/24 -all
- twilio-domain-verification=0715d3a50310bb228b3e5d0818a2ddea
- google-site-verification=I1MFIJ6sQ1rpFDEpmt4OwHEfoEbpeyzH9vLpIjmK4pc
Full email verification for quadrant.net
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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