Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cs.luckybrand.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 22:00:45 UTC · ↺ Refresh
MX Hostnames
- reply.s10.exacttarget.com
MX Priorities
- reply.s10.exacttarget.com: 10
A / AAAA Records
- 13.111.18.27 ↩ ej27.mta.exacttarget.com
Mail Server IPs
- 13.111.18.27 ↩ ej27.mta.exacttarget.com
SOA Record
Raw SOA
ns1.exacttarget.com hostmaster.exacttarget.com 2024073000 7200 3600 1209600 3600
Primary NS (mname)
ns1.exacttarget.com
Admin Email (rname)
hostmaster@exacttarget.com
Serial
2024073000
Refresh
7200s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns2.exacttarget.com
ns3.exacttarget.com
ns4.exacttarget.com
ns1.exacttarget.com
SPF Record
✓ Strict (-all)
v=spf1 include:cust-spf.exacttarget.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; pct=100;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- SPFv=spf1 include:cust-spf.exacttarget.com -all
- google-site-verification=r-M1tH0lO66RA059AeGNtQV18GjWuUBNS_Hif0Z4-mk
- yahoo-verification-key=/L6T2q6RdH+qMK5pYJmOHeV3X/Q1vOno2mRMgTtdfrA=
- google-site-verification=lDaG5Lw6GXAdN8F7SVtyiKC8aJ6gtzuQnnfDtCgc6h0
- google-site-verification=Sur8sPy43wW--D1t4jct9EVme1WcPe4C-N5wvdyjEYg
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for cs.luckybrand.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits