Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bithgroup.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 16:56:26 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
- 67.227.228.48 (no PTR)
Mail Server IPs
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
ns3.worldnic.com namehost.worldnic.com 125121113 10800 3600 604800 3600
Primary NS (mname)
ns3.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125121113
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns3.worldnic.com
ns4.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.e2ma.net include:_spf.createsend.com include:us._netblocks.mimecast.com include:sendgrid.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
7 records- hubspot-developer-verification=NTQ1NTVjYzktYTcxYy00NWE0LWE0YjktNDc0MjFhMjAzYWYw
- sophos-domain-verification=edb1a3746365ef0909958917ee9cb5828e487bc3
- google-site-verification=zmyC4ZhTwhO8YnsOjQ-THn5qL8tZcZAcedTRPN7PdsM
- include:sendgrid.net
- 0ed1fe018a9e0f93db9e264768ab8c531d9cf0471c
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.e2ma.net include:_spf.createsend.com include:us._netblocks.mimecast.com include:sendgrid.net -all
- e2ma-verification=zjmbb
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