southcountyhealth.org

Valid Email Server
Domain Lookup › southcountyhealth.org

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
southcountyhealth.org
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-26 14:08:25 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

  • us-smtp-inbound-2.mimecast.com: 10
  • us-smtp-inbound-1.mimecast.com: 10

A / AAAA Records

  • 13.107.253.40 (no PTR)
  • 13.107.226.40 (no PTR)
  • 2620:1ec:46::40 (no PTR)
  • 2620:1ec:bdf::40 (no PTR)

Mail Server IPs

  • 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com

SOA Record

Raw SOA dns1.p04.nsone.net hostmaster.nsone.net 1647892552 3600 600 604800 1800
Primary NS (mname)
dns1.p04.nsone.net
Admin Email (rname)
hostmaster@nsone.net
Serial
1647892552
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

dns3.p04.nsone.net
dns4.p04.nsone.net
dns1.p04.nsone.net
dns2.p04.nsone.net

SPF Record

✓ Strict (-all)
v=spf1 include:us._netblocks.mimecast.com mx a ip4:166.78.71.191/32 include:spf.messagelabs.com include:sendgrid.net include:_spf.atlassian.net -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict 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

9 records
  • apple-domain-verification=UtgvpYDGxS1A9m65
  • MS=879614BCB95338B35D112A9248C4C5170226D906
  • DMARCv=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
  • atlassian-domain-verification=eQBE8wgutnTTflVZsus3Let5YO4iU2vsdhohE63U74zwxP1LuaywKVClr5FJPet7
  • atlassian-sending-domain-verification=c2acb43e-aa27-47d1-a1e8-490494052ca6
  • MS=ms77651001
  • google-site-verification=us7iB9U2KsWcm1fCE_eIdneI-VsUxf_JuupqoL3ziP4
  • 2q4fu0kl6sd8is50l51vtd018j
  • SPFv=spf1 include:us._netblocks.mimecast.com mx a ip4:166.78.71.191/32 include:spf.messagelabs.com include:sendgrid.net include:_spf.atlassian.net -all
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