healthfirst.org

Valid Email Server
Domain Lookup › healthfirst.org

Domain Overview

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

Checked via [email protected] · 2026-03-20 21:11:13 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 45.223.17.8 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA ns-525.awsdns-01.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-525.awsdns-01.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1080.awsdns-07.org
ns-1979.awsdns-55.co.uk
ns-419.awsdns-52.com
ns-525.awsdns-01.net

SPF Record

✓ Strict (-all)
v=spf1 include:everbridge.net include:oktamail.healthfirst.org include:_spf.qualtrics.com include:us._netblocks.mimecast.com include:amazonses.com a:saas-smtp.webcomserver.com a:saas-smtp-eu.webcomserver.com ip4:139.131.76.33 ip4:139.131.126.26 ip4:139.131.76.85 ip4:165.254.192.13 ip4:198.61.142.56 ip4:195.50.76.237 ip4:208.17.89.181 ip4:165.254.192.13 ip4:195.50.76.198 ip4:58.65.13.17 ip4:58.65.13.18 ip4:203.115.209.11 mx -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; pct=50; sp=none;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
⚠ Policy applies to 50% of failing messages only

DKIM Selectors

✓ 3 found
default._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

33 records
  • globalsign-domain-verification=7dfa09831e3e6c0f8d99fafc37c3e9da
  • apple-domain-verification=j8atEPk7Rona0dmj
  • _globalsign-domain-verification=IBEJk4OCplF1pSvkFuUdBS--jPZ8ZRwJGj1pGgxGSv
  • 7cpik6ripm3ku2kql2t8a4r5vj
  • SPFv=spf1 include:everbridge.net include:oktamail.healthfirst.org include:_spf.qualtrics.com include:us._netblocks.mimecast.com include:amazonses.com a:saas-smtp.webcomserver.com a:saas-smtp-eu.webcomserver.com ip4:139.131.76.33 ip4:139.131.126.26 ip4:139.131.76.85 ip4:165.254.192.13 ip4:198.61.142.56 ip4:195.50.76.237 ip4:208.17.89.181 ip4:165.254.192.13 ip4:195.50.76.198 ip4:58.65.13.17 ip4:58.65.13.18 ip4:203.115.209.11 mx -all
  • globalsign-domain-verification=00bc75157bb8e3d25223a594d26023c0
  • _globalsign-domain-verification=7dfa09831e3e6c0f8d99fafc37c3e9da
  • globalsign-domain-verification=64CA8A59BF120CB9FECE69C94AD5810D
  • cisco-ci-domain-verification=22d9645b9d2eca3ee51f62c2cf781c56348bc22b400563b0018c1e6020b34e50
  • _globalsign-domain-verification=FkYUUSU-u5X_D3giiaw10eou45Hypdwsy_sylh2zJu
  • globalsign-domain-verification=00bc75157bb8e3d25223a594d26023c0
  • b+1DubCI1DYwskyixNs8abYD0DsaPlQ4PeniFrYjJpGTlMfnl1jxvz9zt3ziVE8v5ta/BK1BH4czr+AXnqDOuA==
  • m1nvwtn19m51djqhy4nhn3cy1b717pck
  • jamf-site-verification=pTC6aauKnupmgM1ugtq6qA
  • google-site-verification=lKxLcySlGIOR5EZ0CvsG3V-kHBJ6yG9H72zOMBg8vg0
  • MS=ms46787048
  • onetrust-domain-verification=36203672b4474b718d5e44fc1e3a72f6
  • docker-verification=d6413b8d-863e-4393-8012-cfe424432f07
  • docusign=d41db2a6-08e3-4bf9-9fde-f14863a780f2
  • adobe-idp-site-verification=4863586d09965e9ebff36c7b137727e1761a4b8eab8bd2b580394048d7fe867f
  • docusign=f1d8b857-5bb7-453b-9eed-1394b7ab3f5c
  • _globalsign-domain-verification=3Z8bdt8iCWVQuFZDQkoKYwCoWBX6gyXdBAZWw1GzmI
  • 7cpik6ripm3ku2kql2t8a4r5vj.
  • frjc164dm5xd8yhy5rk4m8yyx87c585x
  • uber-domain-verification=08007e12-c16f-4ebb-aff9-55deadfc1cc6
  • DKIMv=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCgTiBtudfNOQuXwNdPDD9u+uOeKV2Y1rDL396wAJ3i1JxaL/339JJEYBA1g21R6eiw9WK08TuOimv+SuEMI0mrZORSjQrbzoDVPZ7yXbekZgXuS2FIV3ucV2TWNenocPaFQLadLNWDfEBT+6EiQx1OAbTstsseYLpwuIQEk4NBjQIDAQAB
  • google-site-verification=S4FLxna4kTuPdsfYRrhVIDdkDZmsHdSf_Ia80t-GyMo
  • miro-verification=00abdf3980f2227173cdbde3465728ef8a19c436
  • segment-site-verification=l3suOkWZp8ru7SfEa3YlAo0whVidRes5
  • v=verifydomain MS=8981922
  • google-site-verification=t4HBJQnlluiQMfyc8niS9QUAvKcKfOR9T-EujESUMA0
  • postman-domain-verification=f5cdd70e2cad3e2cea38220ae8c12f03714f1f6cb0a1ebf2d74438dcc60bcf2bafca46edb51c309e18e3dc489f59ae4f6eef06da9d5f49ebe8d68b87ad67c139
  • _globalsign-domain-verification=cvzudUSBhMY8hRS7IP7p9RJPtfz6pOiqiZnxw4TS3B
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