Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
alcatrazcruises.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 23:13:45 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-1.mimecast.com: 10
- us-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 172.67.132.86 (no PTR)
- 104.21.12.189 (no PTR)
- 2606:4700:3036::ac43:8456 (no PTR)
- 2606:4700:3037::6815:cbd (no PTR)
Mail Server IPs
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
cortney.ns.cloudflare.com dns.cloudflare.com 2399133668 10000 2400 604800 1800
Primary NS (mname)
cortney.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399133668
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
james.ns.cloudflare.com
cortney.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:us._netblocks.mimecast.com include:et._spf.pardot.com include:_spf.salesforce.com ip4:40.128.73.160 ip4:168.245.69.219 ip4:168.245.72.167 ip4:104.239.236.210 ip4:149.72.180.76 ip4:149.72.130.132 include:spf1.worldapp.com include:mailgun.org include:amazonses.com ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:us._netblocks.mimecast.com include:et._spf.pardot.com include:_spf.salesforce.com ip4:40.128.73.160 ip4:168.245.69.219 ip4:168.245.72.167 ip4:104.239.236.210 ip4:149.72.180.76 ip4:149.72.130.132 include:spf1.worldapp.com include:mailgun.org include:amazonses.com ~all
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