cshl.edu

Valid Email Server
Domain Lookup › cshl.edu

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cshl.edu
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-27 21:59:16 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 141.193.213.10 (no PTR)
  • 141.193.213.11 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA ns1.cshl.edu dbms-admin.cshl.edu 2022071905 6600 900 1209600 3600
Primary NS (mname)
ns1.cshl.edu
Admin Email (rname)
dbms-admin@cshl.edu
Serial
2022071905
Refresh
6600s
Retry
900s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

exmon1.cshl.edu
ns1.cshl.edu
ns2.cshl.edu

SPF Record

✓ Soft Fail (~all)
v=spf1 include:usb._netblocks.mimecast.com a:ex-hs-ht01.cshl.edu a:ex-hs-ht02.cshl.edu a:ex-hs-ht03.cshl.edu a:ex-hs-ht04.cshl.edu a:ex-hs-ht05.cshl.edu a:smtpnew.cshl.edu a:smtp2tlsnew.cshl.edu a:smtptlsnew.cshl.edu ~all
📊 DNS lookups: 9/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 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

8 records
  • twilio-domain-verification=f3a71bfaf58ba697bb9155809cb097ae
  • webfx-site-verification=4276
  • SPFv=spf1 include:usb._netblocks.mimecast.com a:ex-hs-ht01.cshl.edu a:ex-hs-ht02.cshl.edu a:ex-hs-ht03.cshl.edu a:ex-hs-ht04.cshl.edu a:ex-hs-ht05.cshl.edu a:smtpnew.cshl.edu a:smtp2tlsnew.cshl.edu a:smtptlsnew.cshl.edu ~all
  • MS=7C7C7B1F2C80CB7BBDFAF2F18C5BEBF1F42A1FAD
  • adobe-idp-site-verification=badfb848f341101e7279a65c6cdff5f171a7507efd6113cb836c72d4c4fae03d
  • duo_sso_verification=GqSiUS0quKrtguJwpAaDV2y4FVBYxNeBReO2Ab0qBOgi0iz4YHlwJvKqWkBvhiw4
  • dropbox-domain-verification=1rczpc9fai16
  • spf2.0/pra
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