Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
johnstonesupply39.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 05:28:49 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
- 69.94.240.238 ↩ h238-240-94-69.adstx.net
Mail Server IPs
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns11.domaincontrol.com dns.jomax.net 2026031201 28800 7200 604800 600
Primary NS (mname)
ns11.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026031201
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns12.domaincontrol.com
ns11.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 mx a:billtrust.com include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:docebosaas.com ip4:64.106.173.0/25 ip4:192.69.130.0/24 -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: 392 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
2 records- SPFv=spf1 mx a:billtrust.com include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:docebosaas.com ip4:64.106.173.0/25 ip4:192.69.130.0/24 -all
- ms=ms63223297
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