jmbm.com

Valid Email Server
Domain Lookup › jmbm.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
jmbm.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-06-03 08:59:04 UTC · ↺ Refresh

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MX Hostnames

  • us-smtp-inbound-1.mimecast.com
  • us-smtp-inbound-2.mimecast.com

MX Priorities

  • us-smtp-inbound-2.mimecast.com: 1
  • us-smtp-inbound-1.mimecast.com: 1

A / AAAA Records

  • 54.82.222.116 ↩ ec2-54-82-222-116.compute-1.amazonaws.com

Mail Server IPs

  • 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.128.242 ↩ 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
  • 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com

SOA Record

Raw SOA ns-324.awsdns-40.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-324.awsdns-40.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-324.awsdns-40.com
ns-777.awsdns-33.net
ns-1061.awsdns-04.org
ns-1575.awsdns-04.co.uk

SPF Record

✓ Strict (-all)
v=spf1 include:spf0.jmbm.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;sp=none;pct=100;adkim=r;aspf=r;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]
↳ Subdomain policy: none

DKIM Selectors

✗ None detected

No 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

9 records
  • bacn7vg9r8miabkc1idoco30ou
  • cfkmm5j9kovhqvst5fqeo9vpou
  • cggd4q3k0t8bsadiuminppc1a8
  • cojikc8djp6m940q19hghrimbl
  • docusign=bbd76953-0864-4e34-8367-9286ec7207ec
  • duo_sso_verification=XJJIH2G9QzQWPRBG7vBdyIWIZ4m79W69bLKMobMChekVlLboVDPO2NkmEqe7Ksni
  • l3o276itnoilsqc6jdhvdikcbg
  • SPFv=spf1 include:spf0.jmbm.com -all
  • asv=a380679388d0724773527af6d7980806
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