Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cbcnrt.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 20:16:00 UTC · ↺ Refresh
MX Hostnames
- usb-smtp-inbound-1.mimecast.com
- usb-smtp-inbound-2.mimecast.com
MX Priorities
- usb-smtp-inbound-1.mimecast.com: 10
- usb-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 76.223.5.249 ↩ a2391dc0304a99e02.awsglobalaccelerator.com
- 166.117.1.52 ↩ a2391dc0304a99e02.awsglobalaccelerator.com
Mail Server IPs
- 170.10.150.242 ↩ usb-smtp-delivery-2.mimecast.com
SOA Record
Raw SOA
ns-1521.awsdns-62.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1521.awsdns-62.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-35.awsdns-04.com
ns-554.awsdns-05.net
ns-1521.awsdns-62.org
ns-1555.awsdns-02.co.uk
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.anywhere.re include:spf.em.secureserver.net include:_spf.emailcampaigns.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate 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
✓ 2 found
selector1._domainkey
selector2._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
3 records- SPFv=spf1 include:spf.anywhere.re include:spf.em.secureserver.net include:_spf.emailcampaigns.net ~all
- canva-site-verification=kVyvFj4pPrsPhlbrL8QZRg
- docusign=a3cdb803-8acf-4f34-acc9-6da5eceb9fa0
Full email verification for cbcnrt.com
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