Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
usnationalcs.com
Yes
✓ Yes
Zoho
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 17:51:45 UTC · ↺ Refresh
MX Hostnames
- mx.zoho.com
- mx2.zoho.com
MX Priorities
- mx.zoho.com: 10
- mx2.zoho.com: 20
A / AAAA Records
- 104.21.95.47 (no PTR)
- 172.67.143.2 (no PTR)
- 2606:4700:3033::ac43:8f02 (no PTR)
- 2606:4700:3037::6815:5f2f (no PTR)
Mail Server IPs
- 136.143.183.44 ↩ mx2.zohomail.com
- 136.143.191.44 ↩ mx3.zohomail.com
SOA Record
Raw SOA
dale.ns.cloudflare.com dns.cloudflare.com 2398045417 10000 2400 604800 1800
Primary NS (mname)
dale.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398045417
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
dale.ns.cloudflare.com
diva.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:149.72.206.10 include:zoho.com include:sendgrid.com include:getresponse.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 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
3 records- google-site-verification=zuTI4oYQ-MrLXtZWK8-Yl3L9VaYGqf15PHMWQQZAtUY
- klaviyo-site-verification=WwtTVL
- SPFv=spf1 ip4:149.72.206.10 include:zoho.com include:sendgrid.com include:getresponse.com ~all
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