Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
liscocorp.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 00:04:15 UTC · ↺ Refresh
MX Hostnames
- d256586a.ess.barracudanetworks.com
- d256586b.ess.barracudanetworks.com
MX Priorities
- d256586a.ess.barracudanetworks.com: 10
- d256586b.ess.barracudanetworks.com: 20
A / AAAA Records
- 69.18.33.166 ↩ exchange.liscocorp.com
Mail Server IPs
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
liscocorp.com hostmaster.liscocorp.com 2025110301 10800 3600 1728000 300
Primary NS (mname)
liscocorp.com
Admin Email (rname)
hostmaster@liscocorp.com
Serial
2025110301
Refresh
10800s
Retry
3600s
Expire
1728000s
Minimum TTL
300s
Nameservers (NS)
dns1.lisco.com
dns2.lisco.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:69.18.33.162 ip4:69.18.32.22 ~all
📊 DNS lookups: 0/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
2 records- 202511031753013nn1yqlup9i8k01sgkhehgznidmgwoipth511fiyu6cjknx7up
- SPFv=spf1 ip4:69.18.33.162 ip4:69.18.32.22 ~all
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