Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
t3rsc.co
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 01:59:14 UTC · ↺ Refresh
MX Hostnames
- mail.t3rsc.co
MX Priorities
- mail.t3rsc.co: 0
A / AAAA Records
- 52.202.250.148 ↩ ec2-52-202-250-148.compute-1.amazonaws.com
Mail Server IPs
- 52.202.250.148 ↩ ec2-52-202-250-148.compute-1.amazonaws.com
SOA Record
Raw SOA
ns-318.awsdns-39.com andres.sanchez.t3rsc.co 1 7200 900 1209600 86400
Primary NS (mname)
ns-318.awsdns-39.com
Admin Email (rname)
andres@sanchez.t3rsc.co
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-318.awsdns-39.com
ns-647.awsdns-16.net
ns-1325.awsdns-37.org
ns-1735.awsdns-24.co.uk
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; aspf=r; adkim=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 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
1 record- tiktok-developers-site-verification=vGjNQXvNbreJsS2dDQgSnGO3OVscmpYx
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