Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sam.biz
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 20:18:14 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
- 23.185.0.4 (no PTR)
- 2620:12a:8001::4 (no PTR)
- 2620:12a:8000::4 (no PTR)
Mail Server IPs
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
pdns03.domaincontrol.com dns.jomax.net 2026031609 28800 7200 604800 600
Primary NS (mname)
pdns03.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026031609
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
pdns04.domaincontrol.com
pdns03.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:12.97.230.36 ip4:12.97.230.37 ip4:12.97.230.38 ip4:64.129.169.230 ip4:207.207.14.52 ip4:208.86.168.7 ip4:135.84.68.123 ip4:206.152.14.54 ip4:159.183.213.6 ip4:159.183.220.148 ip4:159.183.93.252 ip4:192.254.122.128 ip4:159.183.85.203 ip4:167.89.70.87 ip4:168.245.45.95 ip4:168.245.107.106 ip4:199.167.224.0/22 include:us._netblocks.mimecast.com include:_spf.salesforce.com include:docebosaas.com include:23586323.spf01.hubspotemail.net include:_spf.brainier.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ 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
5 records- 0ed1fe018ac6227c95ea0c4cc7a3e64c1cbd7d2e96
- jcoNQ8/JpxJoqSfV09pWFutDJpasudmFM3cLzv97X9NwAOX5tJ4oeUyDIZ1ACnu66SId132Pz+CXB9a+gECdUA==
- smartsheet-site-validation=J-6_3YJbbNtoSSaiQXZ3nsO5Aw_266X_
- apple-domain-verification=UK0KPr5sGk8KFEUn
- SPFv=spf1 ip4:12.97.230.36 ip4:12.97.230.37 ip4:12.97.230.38 ip4:64.129.169.230 ip4:207.207.14.52 ip4:208.86.168.7 ip4:135.84.68.123 ip4:206.152.14.54 ip4:159.183.213.6 ip4:159.183.220.148 ip4:159.183.93.252 ip4:192.254.122.128 ip4:159.183.85.203 ip4:167.89.70.87 ip4:168.245.45.95 ip4:168.245.107.106 ip4:199.167.224.0/22 include:us._netblocks.mimecast.com include:_spf.salesforce.com include:docebosaas.com include:23586323.spf01.hubspotemail.net include:_spf.brainier.com -all
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