Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
markcerrone.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 20:06:10 UTC · ↺ Refresh
MX Hostnames
- d336005b.ess.barracudanetworks.com
- d336005a.ess.barracudanetworks.com
MX Priorities
- d336005a.ess.barracudanetworks.com: 99
- d336005b.ess.barracudanetworks.com: 98
A / AAAA Records
- 64.78.222.174 ↩ ftp.startheclown.com
Mail Server IPs
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns51.domaincontrol.com dns.jomax.net 2025072900 28800 7200 604800 600
Primary NS (mname)
ns51.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025072900
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns51.domaincontrol.com
ns52.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:172.177.227.80 ip4:208.105.206.122 ip4:50.75.95.251 ip4:184.74.122.82 ip4:172.100.10.133 include:spf.protection.outlook.com include:mailgun.org include:spf.ess.barracudanetworks.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._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- Security code: ml7souhou
- MS=ms81652026
- MS=ms73556584
- linkedin-site-verification=40ea0d69-ef4d-4780-8da8-2e91789efbae
- ml7souhou
- SPFv=spf1 ip4:172.177.227.80 ip4:208.105.206.122 ip4:50.75.95.251 ip4:184.74.122.82 ip4:172.100.10.133 include:spf.protection.outlook.com include:mailgun.org include:spf.ess.barracudanetworks.com -all
Full email verification for markcerrone.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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