Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
wustl.edu
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 05:27:52 UTC · ↺ Refresh
MX Hostnames
- smtp1.mx.wustl.edu
- smtp2.mx.wustl.edu
- ms43096679.msv1.invalid.wustl.edu
- smtp4.mx.wustl.edu
- smtp3.mx.wustl.edu
MX Priorities
- smtp3.mx.wustl.edu: 10
- smtp4.mx.wustl.edu: 10
- smtp2.mx.wustl.edu: 10
- smtp1.mx.wustl.edu: 10
- ms43096679.msv1.invalid.wustl.edu: 100
A / AAAA Records
- 23.185.0.3 (no PTR)
Mail Server IPs
- 128.252.5.193 ↩ smtp3.mx.wustl.edu
- 128.252.69.50 ↩ wcdc.mx.wustl.edu
- 128.252.112.51 ↩ smtp2.mx.wustl.edu
- 128.252.112.50 ↩ smtp1.mx.wustl.edu
SOA Record
Raw SOA
ns00.ip.wustl.edu noc.wustl.edu 2021135019 10800 3600 2419200 900
Primary NS (mname)
ns00.ip.wustl.edu
Admin Email (rname)
noc@wustl.edu
Serial
2021135019
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
900s
Nameservers (NS)
ns03.ip.wustl.edu
ns04.ip.wustl.edu
ns02.ip.wustl.edu
ns01.ip.wustl.edu
ns00.ip.wustl.edu
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:208.117.61.155 ip4:104.45.175.206 ip4:52.224.142.128 ip4:52.180.90.234 ip4:13.78.229.208 ip4:13.78.238.122 include:spf.protection.outlook.com exists:%{i}._spf.mta.salesforce.com include:spf1.wustl.edu ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100;fo=1;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 6 found
selector1._domainkey
selector2._domainkey
mail._domainkey
k1._domainkey
s1._domainkey
s2._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
31 records- SPFv=spf1 ip4:208.117.61.155 ip4:104.45.175.206 ip4:52.224.142.128 ip4:52.180.90.234 ip4:13.78.229.208 ip4:13.78.238.122 include:spf.protection.outlook.com exists:%{i}._spf.mta.salesforce.com include:spf1.wustl.edu ~all
- brevo-code:47910dad859b8cc59016e254bfc2691e
- google-site-verification=MvtpbllXOb63Yx9w3WFjWCZR-LHtnfAVgFJws-Ue9ME
- atlassian-domain-verification=OjbbFWJspitkuY5UWMr5n4JIpGduH5AWTFsmCjdBS9QcZPi/G/I3bQ1EXZZnCRbX
- nintex.620bdcc911302c006955fe4f
- amazonses:5P6+gURez5gGPEvpi0/wfckAiqkC1YQQ8apk8eimtHU=
- google-site-verification=xCK6ole63K9XT94xG9frBzEK-MHggzGOQJyzZ3NngTw
- d365mktkey=14ctzuu12dg60ta62u04ddeuj
- anthropic-domain-verification-0qkk6p=jbzgYnLtp3OsUQ0cBYWxmPaaZ
- google-site-verification=avl1q9k6NW9ftWu-HBoYBg910KjxNWZntqy4Tc6Nn2c
- openai-domain-verification=dv-0ZXAl1wPxHfZQzwz86vpRh0w
- onetrust-domain-verification=fa333d481f5642dc9f675e5986b22c4c
- docusign=d3f36653-1429-4415-8fd6-3cf6b2bb2d7c
- google-site-verification=TPMv0_isU2jNt_jZ5lRSEhM6TlIftli_iiy40Kp-AwI
- amazonses:yj+KjwcrLMmm/dD1esz1OfBmWPwcM+LHD0ZJGb0wMf8=
- google-site-verification=CmuLI-dvXn4RbwGrJw_y48JU0VNJvC4JkVm40hMZcGk
- docusign=1b1a1c47-13e8-4a89-b0cc-ed1284d64a81
- amazonses:0pWmZ3cKbqf2da7DCB2YeER7vVSvkINUjtqkIm9lYyk=
- 34155841A2508BECD5C798257267FBB80D13C966AA514413798D571EA23CDD21
- google-site-verification=Mq4I7BGfm3L6R7e2IiBwWPzUgyf_ZSuv1pCStANKR58
- d365mktkey=7kdpn9nbfup2mhfxhlmmiqdxx
- google-site-verification=5uUcdG0dg8qqYOAbQy9xGiPqtRcGK4yMdHa6wtVYl9M
- openai-domain-verification=dv-XbW9dxs8Bp6zPyV8onDE3SzJ
- af23hqem7r04ma4v14vgaihp42
- ca3-af9ba2cddfb84114be9df0d86bb3726e
- psgk4qeplqpgp492he3nkfdapg
- status-page-domain-verification=cn9gsmct0vf9
- brevo-code:0ee56f3223e39c9a2adc900ffc50f920
- brevo-code:3110c2b54ef2acb6b31aaf408aeefc9e
- d365mktkey=2g70u9s8aufmjqsdjxl37doc
- DRXV5DYS8LIBHYFHQX71LXN02CM3U1I13WSDI82QU
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