Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
et8760.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 12:16:38 UTC · ↺ Refresh
MX Hostnames
- d252148b.ess.barracudanetworks.com
- d252148a.ess.barracudanetworks.com
MX Priorities
- d252148b.ess.barracudanetworks.com: 20
- d252148a.ess.barracudanetworks.com: 10
A / AAAA Records
- 66.118.64.221 (no PTR)
Mail Server IPs
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
dns0.citynet.net hostmaster.citynet.net 2026032400 36000 3600 86400 3600
Primary NS (mname)
dns0.citynet.net
Admin Email (rname)
hostmaster@citynet.net
Serial
2026032400
Refresh
36000s
Retry
3600s
Expire
86400s
Minimum TTL
3600s
Nameservers (NS)
dns1.citynet.net
dns3.citynet.net
dns0.citynet.net
dns2.citynet.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.ess.barracudanetworks.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict 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
4 records- apple-domain-verification=CFvV86I23ChA5HHX
- MS=ms29230594
- SPFv=spf1 include:spf.ess.barracudanetworks.com -all
- duo_sso_verification=ueBUxYh6Fs43pTXl2N6XeH7jaHuQ4daSiqDDMkWMBeSB1zJhrjVLb2BXPSqeRD7a
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