brookings.edu

Valid Email Server
Domain Lookup › brookings.edu

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
brookings.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-22 23:23:41 UTC · ↺ Refresh

MX Hostnames

  • brookings-edu.mail.protection.outlook.com

MX Priorities

  • brookings-edu.mail.protection.outlook.com: 5

A / AAAA Records

  • 137.135.107.235 (no PTR)

Mail Server IPs

  • 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
  • 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
  • 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
  • 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:f903:: (no PTR)
  • 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com

SOA Record

Raw SOA ns1-04.azure-dns.com dnsadmin.brookings.edu 4063490 1200 600 1209600 7200
Primary NS (mname)
ns1-04.azure-dns.com
Admin Email (rname)
dnsadmin@brookings.edu
Serial
4063490
Refresh
1200s
Retry
600s
Expire
1209600s
Minimum TTL
7200s

Nameservers (NS)

ns1-04.azure-dns.com
ns2-04.azure-dns.net
ns3-04.azure-dns.org
ns4-04.azure-dns.info

SPF Record

✓ Soft Fail (~all)
v=spf1 mx include:_spf1.brookings.edu include:_spf2.brookings.edu include:_spf3.brookings.edu include:241939.spf04.hubspotemail.net ip4:216.235.195.0/20 ip4:206.79.6.128/26 ip4:208.40.241.140/30 ip4:216.37.18.6 -all
📊 DNS lookups: 5/10

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=quarantine; aspf=r; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine

DKIM Selectors

✓ 5 found
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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

6 records
  • EQI28F2QN0TF1LWARPNLCP8TM5XDS2T2B3CC14XN4
  • parkable-domain-verification=nMtszK-QWQ2CpGYv_GjQjxubbCJBAHFfodDSFEKWM5c=
  • asv=60b8ca3ac8dfe2a307d07e720cd66d8a
  • miro-verification=af31bc586e38815b06801c50a87f66fe1f40d45a
  • nintex.6585fe1966f83c75b4b2445f
  • SPFv=spf1 mx include:_spf1.brookings.edu include:_spf2.brookings.edu include:_spf3.brookings.edu include:241939.spf04.hubspotemail.net ip4:216.235.195.0/20 ip4:206.79.6.128/26 ip4:208.40.241.140/30 ip4:216.37.18.6 -all
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