Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
extendrix.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 23:54:20 UTC · ↺ Refresh
MX Hostnames
- mail.extendrix.com
MX Priorities
- mail.extendrix.com: 0
A / AAAA Records
- 74.208.64.177 ↩ mail.extendrix.com
Mail Server IPs
- 74.208.64.177 ↩ mail.extendrix.com
SOA Record
Raw SOA
ns1.extendrix3.net dgonzalez.extendrix.com 2026032000 86400 7200 3600000 86400
Primary NS (mname)
ns1.extendrix3.net
Admin Email (rname)
dgonzalez@extendrix.com
Serial
2026032000
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns1.extendrix3.net
ns2.extendrix3.net
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +ip4:74.208.64.177 include:spf.protection.outlook.com include:_spf.google.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=reject;adkim=s;aspf=s;pct=100;fo=0;rf=afrf;ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 +a +mx +ip4:74.208.64.177 include:spf.protection.outlook.com include:_spf.google.com -all
- google-site-verification=H0fFzEWejNhZcme-QleBsfzUP2Snjcil95RvZf1gkWo
- google-site-verification=K46pfiXbW4W4PaynBGsFwxjGsr4H4XSIVRzSAakUmRI
Full email verification for extendrix.com
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