tuftsmedicine.org

Valid Email Server
Domain Lookup › tuftsmedicine.org

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
tuftsmedicine.org
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 10:20:00 UTC · ↺ Refresh

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MX Hostnames

  • mxa-0074a301.gslb.pphosted.com
  • mxb-0074a301.gslb.pphosted.com

MX Priorities

  • mxa-0074a301.gslb.pphosted.com: 10
  • mxb-0074a301.gslb.pphosted.com: 10

A / AAAA Records

  • 35.168.94.135 ↩ ec2-35-168-94-135.compute-1.amazonaws.com

Mail Server IPs

  • 205.220.170.177 ↩ mx0a-0074a301.pphosted.com
  • 205.220.182.177 ↩ mx0b-0074a301.pphosted.com

SOA Record

Raw SOA ns-298.awsdns-37.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-298.awsdns-37.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-298.awsdns-37.com
ns-612.awsdns-12.net
ns-1413.awsdns-48.org
ns-1768.awsdns-29.co.uk

SPF Record

✓ Soft Fail (~all)
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com include:_spf.salesforce.com include:_spf.paubox.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ 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

14 records
  • bw=MbPzyMhObvT55+SB6deJ6sDLYunz+Xk95vBrD1uEqMn2
  • google-site-verification=-6FQboysw0YkrqJgclF-aHFqUqfhh423NT3F1_AN2wQ
  • ZA=3ysqyCX1hjhNn86PjX/ZVA+tT0Gp5LjdtINeZfIuPIY= (
  • DKIMv=DKIM1; k=rsa; p= MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQClH9QW3MqwGvhvQc4qg04p6MZto0Kp5iAqXjSGhnSxkedDyAl8SeeZUI4rdBPr+G3d/SUcnBztkCt4rTSVf1SH8U3p3p5TY+9cVU+w6r0xYjw1jd5pt6Yy4INFKNlzyvYowAtwF0Uxk2Du6qlR1jVry7AtGeFyIl35SVrznjTYPQIDAQAB
  • SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com include:_spf.salesforce.com include:_spf.paubox.com ~all
  • e936cf0f-f029-40e5-9216-7d9b1ee46a5c
  • atlassian-sending-domain-verification=4302bd0f-e3dd-4da1-92a0-095383d5928e
  • google-gws-recovery-domain-verification=56370274
  • 941D24A0340D611E293522148EAC3798CFCFC906C69F45500F4810DE398CFDC4
  • atlassian-domain-verification=DbKS3rNdIdaeTWNZmKlED3bDnELA0NGRAEhkYIkaszF01s8jV66SFrcEwVwRF2Qa
  • cisco-ci-domain-verification=2b648bf6c93d5e02653038ca3a08e098b113d2f4a57f7f583934a3c5042960ed
  • MS=ms55084479
  • mongodb-site-verification=dlUAGO1UM7JbvTAAgV8PL4ebbLANubdS
  • google-site-verification=FzNaPc4WbtgsdjfGHDucm7sbeSM8wNfG2ljmhy0tBsI
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