Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gvcourtyardsuites.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 03:04:05 UTC · ↺ Refresh
MX Hostnames
- smtp.gvcourtyardsuites.com
MX Priorities
- smtp.gvcourtyardsuites.com: 10
A / AAAA Records
- 138.197.72.109 ↩ lightning2-1.rb-com.com
Mail Server IPs
- 138.197.213.218 ↩ habu4.rb-com.com
SOA Record
Raw SOA
ns2.rb-com.com rsa.rb-com.com 2024021300 28800 7200 604800 300
Primary NS (mname)
ns2.rb-com.com
Admin Email (rname)
rsa@rb-com.com
Serial
2024021300
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns4.rb-com.com
ns5.rb-com.com
ns2.rb-com.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:rb-com.com ip4:209.237.231.0/25 ~all
📊 DNS lookups: 1/10
~ 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
1 record- SPFv=spf1 include:rb-com.com ip4:209.237.231.0/25 ~all
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