Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cbunited.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 08:45:20 UTC · ↺ Refresh
MX Hostnames
- usb-smtp-inbound-1.mimecast.com
- usb-smtp-inbound-2.mimecast.com
MX Priorities
- usb-smtp-inbound-2.mimecast.com: 10
- usb-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 167.182.60.125 ↩ redirects.nrtwebservices.com
Mail Server IPs
- 170.10.150.242 ↩ usb-smtp-delivery-2.mimecast.com
- 170.10.152.242 ↩ usb-smtp-delivery-2.mimecast.com
SOA Record
Raw SOA
ns-1300.awsdns-34.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1300.awsdns-34.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-299.awsdns-37.com
ns-544.awsdns-04.net
ns-1300.awsdns-34.org
ns-1556.awsdns-02.co.uk
SPF Record
✓ Strict (-all)
v=spf1 include:spf.anywhere.re include:spf.mandrillapp.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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
4 records- docusign=c9049d37-afe1-4e93-8e38-7f1a163581c0
- google-site-verification=hgRX4FwsV63GnBxwIg4yZzuis2bI1lz_FQmmnD_f374
- SPFv=spf1 include:spf.anywhere.re include:spf.mandrillapp.com -all
- canva-site-verification=2ICjc-TuyZ4aMEyFZfG2pw
Full email verification for cbunited.com
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