Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
crosbyadvisory.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-14 07:59:11 UTC · ↺ Refresh
MX Hostnames
- mail1.redtailtechnology.com
MX Priorities
- mail1.redtailtechnology.com: 10
A / AAAA Records
- 54.148.180.146 ↩ ec2-54-148-180-146.us-west-2.compute.amazonaws.com
- 34.211.24.137 ↩ ec2-34-211-24-137.us-west-2.compute.amazonaws.com
Mail Server IPs
- 4.17.237.44 (no PTR)
SOA Record
Raw SOA
ns-cloud-c1.googledomains.com cloud-dns-hostmaster.google.com 1 21600 3600 259200 300
Primary NS (mname)
ns-cloud-c1.googledomains.com
Admin Email (rname)
cloud-dns-hostmaster@google.com
Serial
1
Refresh
21600s
Retry
3600s
Expire
259200s
Minimum TTL
300s
Nameservers (NS)
ns-cloud-c4.googledomains.com
ns-cloud-c1.googledomains.com
ns-cloud-c2.googledomains.com
ns-cloud-c3.googledomains.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:crosbyadvisory-com.spf.smtp25.com include:spf.redtailtechnology.com ip4:65.74.131.96/27 ip4:65.74.153.192/27 ~all
📊 DNS lookups: 2/10
~ 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
4 records- google-site-verification=cD_IEgNZ0jQ7VTzsa1j3yyfsRne9lLrstrOS_ukFoBs
- vzanJzN3+HT9kEQ8Ay3kSA==
- google-site-verification=BIwqQs-iufUvmWPKt6wXvgb78edjySnt2gd8Uj8GZS4
- SPFv=spf1 include:crosbyadvisory-com.spf.smtp25.com include:spf.redtailtechnology.com ip4:65.74.131.96/27 ip4:65.74.153.192/27 ~all
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