Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
strongholdim.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 22:00:36 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
- 208.109.233.71 ↩ 71.233.109.208.host.secureserver.net
Mail Server IPs
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns01.domaincontrol.com dns.jomax.net 2026022801 28800 7200 604800 600
Primary NS (mname)
ns01.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026022801
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns01.domaincontrol.com
ns02.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.salesforce.com include:dc-aa8e722993._spfm.strongholdim.com ip4:71.42.153.254 include:us._netblocks.mimecast.com ip4:52.6.190.130 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
10 records- 0ed1fe018a84240539b100442ea320b9943dd51923
- SPFv=spf1 include:_spf.salesforce.com include:dc-aa8e722993._spfm.strongholdim.com ip4:71.42.153.254 include:us._netblocks.mimecast.com ip4:52.6.190.130 -all
- apple-domain-verification=X4HMqRCFaWh9b0O4
- anthropic-domain-verification-1wh7hd=1WOPkGNc1tY9zqmjt7ObZ6uey
- ZOOM_verify_fOr3BSf9XbBGzPp81QCc9h
- openai-domain-verification=dv-FUDwsEJzxKYjt5SCzqrTd3pk
- jetbrains-domain-verification=amnskdamfqxhlysr2vzq6w3l2
- atlassian-domain-verification=4LbzWgPjVM14Nr/2AYmCERX9A/hJWL6D0cCTIumuvLxJCcymXpGCMJEhEjL4NUNB
- mongodb-site-verification=P34yvrXeIkmkTeExew79jhk2TYA1jaJR
- google-site-verification=-r8FL7gbN0NlZCdfa1i0I-YQjzGlXmlenxz5RmShd9w
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