Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
njm.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 20:48:15 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 10
- us-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 3.225.210.180 ↩ ec2-3-225-210-180.compute-1.amazonaws.com
- 72.44.53.21 ↩ ec2-72-44-53-21.compute-1.amazonaws.com
Mail Server IPs
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns-1230.awsdns-25.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1230.awsdns-25.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1938.awsdns-50.co.uk
ns-310.awsdns-38.com
ns-951.awsdns-54.net
ns-1230.awsdns-25.org
SPF Record
✓ Strict (-all)
v=spf1 include:amazonses.com include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:_spf.salesforce.com include:mailgun.org -all
📊 DNS lookups: 5/10
✓ 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
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
12 records- MS=ms94737287
- _g8d4yv73uxya46jrzfh5ssdnu1v5wd1
- adobe-idp-site-verification=d0501e35c61d5e940249b41ece9ac7933cddbc4278be2d61645d860d8253c705
- amazonses:lY3VpLGv4Xm1T+fCwzV1omHjX5HDDOb5YtDNhw5s7Uo=
- apple-domain-verification=0f9HaE7eUmfcgoPX
- atlassian-domain-verification=78uXGCXlpfZseMhaO8IeLf8a2CeqMhV8ifM25ov3cSa3td1vF8gqvs9JBXrHCL/C
- cisco-ci-domain-verification=5fa34ca25b29cbd5f5d8fd602a462a1c6a44e6f8ba7261d878dabea3ba644dd8
- dj2bp9gd22qwqwl7b528629hf8tsbjsk
- google-site-verification=omxA-_k82CFH5yrVCLII82JyVDe9ZDbA1b1aAta8VOs
- mongodb-site-verification=PPX9cGuNhghEwyktLb5GhuiclvR8n2G2
- SPFv=spf1 include:amazonses.com include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:_spf.salesforce.com include:mailgun.org -all
- Dynatrace-site-verification=1345e7e8-485a-4f6d-99b7-872071c0fce0__g2veljdsl80v66pre49mubl3bk
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