Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
horvitzlevy.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 20:28:12 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
- 72.32.36.55 ↩ host55.peakcomputer.com
Mail Server IPs
- 170.10.128.141 ↩ 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
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
ns57.worldnic.com namehost.worldnic.com 125120212 10800 3600 604800 3600
Primary NS (mname)
ns57.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125120212
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns58.worldnic.com
ns57.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_netblocks.mimecast.com include:spf.protection.outlook.com include:spf.mandrillapp.com ip4:192.40.160.0/19 ip4:74.91.80.0/20 ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✗ None detectedNo 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
4 records- duo_sso_verification=C6P4FHgCZyMKwGAqR1s6vTU3akrQsa1eJUtlMKRsb50C7GxXaXcgC938PpkZtL0i
- SPFv=spf1 include:_netblocks.mimecast.com include:spf.protection.outlook.com include:spf.mandrillapp.com ip4:192.40.160.0/19 ip4:74.91.80.0/20 ~all
- linkedin-site-verification=1fd611be-3779-4432-81cc-c2419c2ae200
- MS=ms96538969
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