Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
njbiz.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 23:43:01 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
- 141.193.213.21 (no PTR)
- 141.193.213.20 (no PTR)
Mail Server IPs
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.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
ns-993.awsdns-60.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-993.awsdns-60.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-401.awsdns-50.com
ns-993.awsdns-60.net
ns-1511.awsdns-60.org
ns-1844.awsdns-38.co.uk
SPF Record
✓ Soft Fail (~all)
v=spf1 include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:_spf.act-on.net include:mediaintranets.net ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
google._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
9 records- knowbe4-site-verification=5c0c7a6820ec34d54afd957a10081227
- knowbe4-site-verification=5da856f1483fe58ae0d34333803362c0
- SPFv=spf1 include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:_spf.act-on.net include:mediaintranets.net ~all
- 0ed1fe018a55513f2481fa47ad84832f0c10a299f6
- MS=ms62175112
- facebook-domain-verification=mp0jwbcvgtadge58w0pzjz7leurfb3
- google-site-verification=0BZh_RnM3Lh6V9Ay09a43H5vYBWitOapg8HlnV0g_Tc
- google-site-verification=B9Amsc5uAxU_cyPwse3jxf-jlcodRV4xAxUmnDboskU
- je4m5n9fm07hn4ashro499c1ak
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