Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cassens.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 22:26:40 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-1.mimecast.com: 10
- us-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 199.188.209.103 ↩ www2.cassens.com
Mail Server IPs
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
ns43.worldnic.com namehost.worldnic.com 126021209 10800 3600 604800 3600
Primary NS (mname)
ns43.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126021209
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns43.worldnic.com
ns44.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:199.188.209.96/28 ip4:173.249.78.136/29 include:_spf.google.com include:us._netblocks.mimecast.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
3 records- SPFv=spf1 ip4:199.188.209.96/28 ip4:173.249.78.136/29 include:_spf.google.com include:us._netblocks.mimecast.com ~all
- samsung-domain-verification=33baf2d5-59c6-4893-95da-69b4b8060edc
- _mm7e0phafne559rp38t84yw95ic2zxh
Full email verification for cassens.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits