Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
leader1.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 19:25:05 UTC · ↺ Refresh
MX Hostnames
- d175728a.ess.barracudanetworks.com
- d175728b.ess.barracudanetworks.com
MX Priorities
- d175728a.ess.barracudanetworks.com: 0
- d175728b.ess.barracudanetworks.com: 0
A / AAAA Records
- 104.26.3.30 (no PTR)
- 172.67.73.113 (no PTR)
- 104.26.2.30 (no PTR)
- 2606:4700:20::ac43:4971 (no PTR)
- 2606:4700:20::681a:31e (no PTR)
- 2606:4700:20::681a:21e (no PTR)
Mail Server IPs
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
elmo.ns.cloudflare.com dns.cloudflare.com 2398310794 10000 2400 604800 1800
Primary NS (mname)
elmo.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398310794
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
stella.ns.cloudflare.com
elmo.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:_media.leader1.com include:_static.leader1.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=1; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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- SPFv=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:_media.leader1.com include:_static.leader1.com -all
- BPL=4890024
- anthropic-domain-verification-b4c00e=ZEdhkEQ1iRGWKvviLlRRxvek2
- docusign=d179da74-bc14-4dd6-a373-d68c99e83336
- mti3q744ip3j9u35n410j82ehb
- twilio-domain-verification=4bde2d0557fed9ea55c1fd91bd35d4f9
Full email verification for leader1.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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