calists.harvard.edu

Valid Email Server
Domain Lookup › calists.harvard.edu
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
calists.harvard.edu
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-25 10:24:36 UTC · ↺ Refresh

MX Hostnames

  • mxa-00171101.gslb.pphosted.com
  • mxb-00171101.gslb.pphosted.com
  • mx0b-00171101.pphosted.com
  • mx0a-00171101.pphosted.com

MX Priorities

  • mxb-00171101.gslb.pphosted.com: 10
  • mxa-00171101.gslb.pphosted.com: 10
  • mx0a-00171101.pphosted.com: 10
  • mx0b-00171101.pphosted.com: 10

A / AAAA Records

  • 34.231.55.3 ↩ ec2-34-231-55-3.compute-1.amazonaws.com

Mail Server IPs

  • 67.231.156.27 ↩ mx0b-00171101.pphosted.com
  • 67.231.148.27 ↩ mx0a-00171101.pphosted.com

SOA Record

No SOA record found.

Nameservers (NS)

No nameservers found.

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:_spf.google.com ip4:3.236.169.128/27 ip4:128.103.0.0/16 ip4:140.247.0.0/16 ip4:67.231.148.27 ip4:67.231.156.27 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=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

5 records
  • google-site-verification=LNhS4iuiQQ1YFtsqKHI0rhroDZNT223VtgnOzZ6uy7Y
  • atlassian-domain-verification=ASRKBXyOafZgDCRWh1Ylv34hiOSMgAIoNXs8H57rR3aTkuOD5KwJfUN9G3f7Ah/H
  • SPFv=spf1 include:spf.protection.outlook.com include:_spf.google.com ip4:3.236.169.128/27 ip4:128.103.0.0/16 ip4:140.247.0.0/16 ip4:67.231.148.27 ip4:67.231.156.27 ~all
  • google-site-verification=AemvzIb_YcP13Sse_cyy_WEQUxpA8uSjDihj7iqm1ho
  • google-site-verification=xnwqQt5JumYYjyXrxxztlTxP_02rSdZX8RCGc0H6nqI
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