chtrust.org

Valid Email Server
Domain Lookup › chtrust.org

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
chtrust.org
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-29 23:47:44 UTC · ↺ Refresh

MX Hostnames

  • mailsmtp2.childrenshospital.org
  • mailsmtp1.childrenshospital.org
  • mailsmtp7.childrenshospital.org
  • mailsmtp5.childrenshospital.org
  • mailsmtp4.childrenshospital.org
  • mailsmtp3.childrenshospital.org
  • mailsmtp6.childrenshospital.org

MX Priorities

  • mailsmtp7.childrenshospital.org: 5
  • mailsmtp4.childrenshospital.org: 5
  • mailsmtp5.childrenshospital.org: 5
  • mailsmtp3.childrenshospital.org: 5
  • mailsmtp1.childrenshospital.org: 5
  • mailsmtp6.childrenshospital.org: 5
  • mailsmtp2.childrenshospital.org: 5

A / AAAA Records

  • 69.84.159.28 ↩ ptr28.mwareinc.com

Mail Server IPs

  • 134.174.20.50 ↩ mailsmtp7.childrenshospital.org
  • 134.174.13.55 ↩ mailsmtp4.childrenshospital.org
  • 134.174.13.56 ↩ mailsmtp5.childrenshospital.org
  • 134.174.20.73 ↩ mailsmtp3.childrenshospital.org
  • 134.174.13.91 ↩ mailsmtp1.childrenshospital.org

SOA Record

Raw SOA ndcnetnse1.tch.harvard.edu isddnsadmins-dl.childrens.harvard.edu 156 21600 3600 2419200 60
Primary NS (mname)
ndcnetnse1.tch.harvard.edu
Admin Email (rname)
isddnsadmins-dl@childrens.harvard.edu
Serial
156
Refresh
21600s
Retry
3600s
Expire
2419200s
Minimum TTL
60s

Nameservers (NS)

ns2.childrenshospital.org
ns1.childrenshospital.org
ns5.childrenshospital.org
ndcnetnse1.tch.harvard.edu
bdcnetnse1.tch.harvard.edu

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:134.174.13.91 ip4:134.174.13.92 ip4:134.174.20.73 ip4:134.174.20.74 ip4:134.174.13.18 ip4:134.174.20.21 ip4:134.174.13.55 ip4:134.174.13.56 ip4:134.174.20.50 include:20705739.spf06.hubspotemail.net include:outboundmail.convio.net +include:outboundmail.blackbaud.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate 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
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

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

All TXT Records

8 records
  • MS=ms67150441
  • SPFv=spf1 ip4:134.174.13.91 ip4:134.174.13.92 ip4:134.174.20.73 ip4:134.174.20.74 ip4:134.174.13.18 ip4:134.174.20.21 ip4:134.174.13.55 ip4:134.174.13.56 ip4:134.174.20.50 include:20705739.spf06.hubspotemail.net include:outboundmail.convio.net +include:outboundmail.blackbaud.net ~all
  • ibmid=77876fd3-4fe6-419f-a075-c2485c8999c9
  • v=BIMI1;l=https://svgshare.com/i/ELy.svg;a=;
  • smartsheet-site-validation=C64zRTS5FvhYR5OP7XBfkeEEtHuy47TK
  • duo_sso_verification=9Oewa4mvXI3O09YzcNSTx41cHlRGNCZYJUKZffxhsoGMRb1pIYIHllr4BnufS6LM
  • google-site-verification=36fFXC4bDpVOU3J8peBvZbwm_7XxOoX0hPDGFi86rL4
  • MS=1963E0A02D34FFC3AF7ED06EDD77EB50AE857690
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