mccarthyholthus.com

Valid Email Server
Domain Lookup › mccarthyholthus.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
mccarthyholthus.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 01:48:14 UTC · ↺ Refresh

MX Hostnames

  • usb-smtp-inbound-2.mimecast.com
  • usb-smtp-inbound-1.mimecast.com

MX Priorities

  • usb-smtp-inbound-2.mimecast.com: 0
  • usb-smtp-inbound-1.mimecast.com: 0

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 170.10.150.242 ↩ usb-smtp-delivery-2.mimecast.com
  • 170.10.152.242 ↩ usb-smtp-delivery-2.mimecast.com

SOA Record

Raw SOA edns8.ultradns.com hostmaster.cnchost.com 2013032263 10800 3600 604800 300
Primary NS (mname)
edns8.ultradns.com
Admin Email (rname)
hostmaster@cnchost.com
Serial
2013032263
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

edns8.ultradns.net
edns8.ultradns.org
edns8.ultradns.biz
edns8.ultradns.com

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:150.195.201.157 include:spf.constantcontact.com include:spf.protection.outlook.com include:usb._netblocks.mimecast.com -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]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No 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

6 records
  • 0ed1fe018afff203cb22564e31998e7134cae5ca9d
  • apple-domain-verification=TyxB3IoyxZtnX7Vo
  • f0651cbb7069ef9310ce52068d46932752849342289177b6620c0a1c3cf0b60f
  • sophos-domain-verification=f0651cbb7069ef9310ce52068d46932752849342289177b6620c0a1c3cf0b60f
  • SPFv=spf1 a mx ip4:150.195.201.157 include:spf.constantcontact.com include:spf.protection.outlook.com include:usb._netblocks.mimecast.com -all
  • _xxh36hrtxcmu1uflo3qt6ptbkky72ct
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