hmhco.com

Valid Email Server
Domain Lookup › hmhco.com

Domain Overview

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

Checked via [email protected] · 2026-04-01 14:38:53 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • us-smtp-inbound-1.mimecast.com: 5
  • us-smtp-inbound-2.mimecast.com: 5

A / AAAA Records

  • 45.60.101.203 (no PTR)
  • 45.60.11.203 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA ns-951.awsdns-54.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-951.awsdns-54.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1193.awsdns-21.org
ns-1900.awsdns-45.co.uk
ns-341.awsdns-42.com
ns-951.awsdns-54.net

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:209.235.126.1 ip4:209.235.126.2 ip4:209.235.126.7 ip4:209.235.126.8 ip4:209.235.126.9 ip4:209.235.126.10 include:_netblocks.hmhco.com include:_spf.salesforce.com include:us._netblocks.mimecast.com include:6573d6.workshop-spf.net ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ DKIM properly configured for selector: selector1

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

All TXT Records

36 records
  • 49NBsw/Se/C6JS0bY1ERCAIm4lXSNiDJB3VJ4548dGRG3LGlCjuddY3HFB6JrGLJJns1X0QVEaK3c3mAxiDdpA==
  • _9y67qztkt2btxbaml8r2vjg40pzjd3c
  • google-site-verification=WAHW1EO8Bhocy1PlQISnzb50g26m17-znBENRYcynKI
  • MS=ms65451366
  • docusignv=52c16912-2c65-4f50-b613-fa56c465c707
  • _88p140xxu23fri4pwb8p9kiy0t0aq89
  • _yrydfmt6ek9t9k9oiffq7j710sdp5r2
  • globalsign-domain-verification=ace3534fbff0e03574dcd4f8bb8848b7
  • fe12f446-397f-4147-8aaa-a09a152e0e4f
  • canva-site-verification=XAvMwkZKNaFlNW4YQojH3g
  • _zjf8wvnzc5hzfuordx7qti6vz2lo9dd
  • _9sie6t2ppawjloiuavjlv2dx3qite9b
  • atlassian-domain-verification=CBbj/iXZ5lGubFrU2QeWACCkSiIcanWzOa3PxRDfyjxeJsv4d/vf4xiiortak0h1
  • SPFv=spf1 ip4:209.235.126.1 ip4:209.235.126.2 ip4:209.235.126.7 ip4:209.235.126.8 ip4:209.235.126.9 ip4:209.235.126.10 include:_netblocks.hmhco.com include:_spf.salesforce.com include:us._netblocks.mimecast.com include:6573d6.workshop-spf.net ~all
  • openai-domain-verification=dv-LvPgut8vxG5Id4c62TexDLU0
  • OSSRH-77297
  • pendo-domain-verification=-c2MowabHj26bsKA847E49izAIM
  • canva-site-verification=7BqVD8X2bt48CNLNCochRw
  • google-site-verification=jWaPYj9EqDhNlqii90MwSAGGqILGT3qvjv3sc9AjwVk
  • globalsign-domain-verification=A5690202F4D1340FC95C7147711395FE
  • _xk90kd0yh344144zsllem3xd0tur9ye
  • amazonses:zvT1yYoxLfumWiB6ESAVrkUzwpwo6ClRCUxHEsYjaFY=
  • globalsign-domain-verification=1111620e7587ddb0d56bfd6fcd6d4ae4
  • smartsheet-site-validation=Y9J8B1EtJP8RjvrCy7bJNAGuwfZwPPw0
  • facebook-domain-verification=j9y57ganvf1td5819xs1y7ro1oaocs
  • adobe-idp-site-verification=dcee0a2f77d8062795e70509a65d7f6913450b5485badb2058f23588f060c8b9
  • miro-verification=788279500223085801eb9b034064d4a96bdabaf3
  • _o890m8p0326f3zjpvgg9visthiabpps
  • atlassian-domain-verification=BNYS2ZxDgYF0MABftk2Zoz5k5a1O4ISi5g0vBS7vRKxvosDsl020tMm88EaCzkFE
  • canva-site-verification=nDn0iJqSi1AhFR_cAw5isQ
  • docusign_verification=dm5d176s-eg0e-l9sg-abdi-hd56sz2tt0wc
  • apple-domain-verification=P7EQHRcSw1MEhYAw
  • google-site-verification=9xAnKLlO-n0fb9ivg6304GUrAOYJzqF00f9NzD0YqwU
  • pexip-ms-tenant-domain-verification=f05dded6-08d7-4594-b27b-6d2f601a4919
  • docusign=9a0d3862-ce0a-4272-be65-e9d0ee8109b9
  • cisco-ci-domain-verification=1e77c8c1819f3634ebaf3190e828520ae8b44db10725f96505c5668952e1a16a
Full email verification for hmhco.com

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