Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
installed.net
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 21:02:41 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
- 20.119.136.23 (no PTR)
Mail Server IPs
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
ns3.installed.net admin.installed.net 10004 3600 900 3600000 600
Primary NS (mname)
ns3.installed.net
Admin Email (rname)
admin@installed.net
Serial
10004
Refresh
3600s
Retry
900s
Expire
3600000s
Minimum TTL
600s
Nameservers (NS)
ns3.installed.net
ns4.installed.net
SPF Record
✓ Soft Fail (~all)
v=spf1 mx include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:spf.US.exclaimer.net ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate 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
3 records- 3b4d02b5-b559-4152-9120-7bb2742c3437
- SPFv=spf1 mx include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:spf.US.exclaimer.net ~all
- lnal3dngmbsu7pv1jv16j8bnoi
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