Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tnbizserv.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 07:08:21 UTC · ↺ Refresh
MX Hostnames
- tnbizserv-com.inbound.emailservice.cc
- tnbizserv-com.inbound.emailservice.io
MX Priorities
- tnbizserv-com.inbound.emailservice.io: 10
- tnbizserv-com.inbound.emailservice.cc: 20
A / AAAA Records
- 66.199.5.163 (no PTR)
Mail Server IPs
- 52.44.33.109 ↩ ec2-52-44-33-109.compute-1.amazonaws.com
- 107.21.241.201 ↩ ec2-107-21-241-201.compute-1.amazonaws.com
- 54.211.15.143 ↩ ec2-54-211-15-143.compute-1.amazonaws.com
SOA Record
Raw SOA
ns69.domaincontrol.com dns.jomax.net 2024123000 28800 7200 604800 3600
Primary NS (mname)
ns69.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2024123000
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns70.domaincontrol.com
ns69.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.us.emailservice.io -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; adkim=s;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- MS=ms97867329
- google-site-verification=6u6cqYM6dUs5K5amrOvZ7QGz3hkPBvCqqaPXce7jWeY
- google-site-verification=rJ7HkuTw9RJmWfQETRMKdm4-RL7NCDhJN6OMyfACfgw
- v=verifydomain MS=5963115
- SPFv=spf1 include:spf.us.emailservice.io -all
- MS=ms89845071
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