law.columbia.edu

Valid Email Server
Domain Lookup › law.columbia.edu

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
law.columbia.edu
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-17 22:55:19 UTC · ↺ Refresh

MX Hostnames

  • mxa-00364e01.gslb.pphosted.com
  • mxb-00364e01.gslb.pphosted.com

MX Priorities

  • mxb-00364e01.gslb.pphosted.com: 10
  • mxa-00364e01.gslb.pphosted.com: 10

A / AAAA Records

  • 52.70.199.252 ↩ ec2-52-70-199-252.compute-1.amazonaws.com
  • 52.204.63.61 ↩ ec2-52-204-63-61.compute-1.amazonaws.com

Mail Server IPs

  • 148.163.139.74 ↩ mx0b-00364e01.pphosted.com
  • 148.163.135.74 ↩ mx0a-00364e01.pphosted.com

SOA Record

Raw SOA ext-ns1.columbia.edu hostmaster.law.columbia.edu 11357 3600 1800 2419200 300
Primary NS (mname)
ext-ns1.columbia.edu
Admin Email (rname)
hostmaster@law.columbia.edu
Serial
11357
Refresh
3600s
Retry
1800s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ext-ns1.columbia.edu
auth1.dns.cogentco.com
auth2.dns.cogentco.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
📊 DNS lookups: 1/10
~ 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

11 records
  • atlassian-domain-verification=3a/aVmiVzaMOzlhAodx3n7lmq1cDotGOHNI3ehzFLzgN7YLZEBEjnxaaqyMmLY9s
  • amazonses:OfYaFtGV3E5euElm8OIhO9YDzgAnT3q5OBR0p7RXSe4=
  • MS=F13FE4B60147940294EBFC670D714B411E6C84E3
  • MS=ms20059301
  • airtable-verification=1836af602b716fe1b815e7a458dc2193
  • facebook-domain-verification=z8mt95mxt4q62ggii9ha0b6v3hfilm
  • google-site-verification=FISJhh1czUmtrrwdflL0kzBdRMVIaQ2zpABmAMLNf1Q
  • mandrill_verify.IyYlz3C29OuJ-7vWba_4Jg
  • d365mktkey=da8RkIEmorMxsO3wtwtqsNvD4pPkRJzPaDc2OuR1TuEx
  • SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
  • d365mktkey=xgr8xULqGZN0FtCdE9qjbsHIjojQ6S7TfpRVYofBxU0x
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