Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cupertino.org
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 20:21:04 UTC · ↺ Refresh
MX Hostnames
- d325441a.ess.barracudanetworks.com
- d325441b.ess.barracudanetworks.com
MX Priorities
- d325441a.ess.barracudanetworks.com: 0
- d325441b.ess.barracudanetworks.com: 0
A / AAAA Records
- 52.247.170.120 (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
ns-953.awsdns-55.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-953.awsdns-55.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1842.awsdns-38.co.uk
ns-45.awsdns-05.com
ns-953.awsdns-55.net
ns-1397.awsdns-46.org
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:64.165.34.28 ip4:52.15.107.231 a:enotify.visioninternet.com include:mail.zendesk.com include:spf.dynect.net include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:spf.us.exclaimer.net ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 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
1 record- SPFv=spf1 ip4:64.165.34.28 ip4:52.15.107.231 a:enotify.visioninternet.com include:mail.zendesk.com include:spf.dynect.net include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:spf.us.exclaimer.net ~all
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