Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rush.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 05:04:17 UTC · ↺ Refresh
MX Hostnames
- rush-edu.mail.protection.outlook.com
MX Priorities
- rush-edu.mail.protection.outlook.com: 10
A / AAAA Records
- 3.233.48.238 ↩ ec2-3-233-48-238.compute-1.amazonaws.com
Mail Server IPs
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ruda-gridmstr.rush.edu please_set_email.absolutely.nowhere 2013046734 10800 3600 2419200 900
Primary NS (mname)
ruda-gridmstr.rush.edu
Admin Email (rname)
please_set_email@absolutely.nowhere
Serial
2013046734
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
900s
Nameservers (NS)
ns3.rush.edu
ns2.rush.edu
SPF Record
✓ Soft Fail (~all)
v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; adkim=s; aspf=s; rua=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._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
25 records- ms-domain-verification=6046947f-17be-45d8-b43e-3e89b6e606b8
- dropbox-domain-verification=0jmvqs54cen0
- ms-domain-verification=9ac8e8dc-ce68-4fa7-b562-85b0acd998f3
- 85ep78ajrolefpf3q47b7fqgb3
- Dynatrace-site-verification=a4b674a5-958c-4915-b3ba-5b9b847d720f__j9omvducaea6bj09o92l8m61tj
- webexdomainverification.4C675B893785B136E053AB06FC0A3F65=0b8e7b63-dc14-4ea4-a8cf-e6cfbe9181ce
- atlassian-domain-verification=ZFt4hJKcI0zGaQXKRyk8hS5U/BOUUizKOdO5GJEh0xgy24iemrdmgF0Ajwh/Xf7w
- cnnuuq798f19mbk54qodglo8t3
- apple-domain-verification=IrTapCe7mquOjgSd
- smartsheet-site-validation=0oKA9ogxO3yVj91f9r6X-lpd5HyAPYuM
- PcBeZBbpEsya+hLtQy8qOrXGYF1pTPtj05ai8/v6Jq8jE4eyDLP+gTP2uM5E7FsDC5UF+3hwcDOEK4pNwBWZqg==
- e55m09kgkvkb98j4oftb891j7f
- ciscodomainverification=6d08dd3819832b0ae877b9a61d4431a329c3b8ea57795aea465e2ecf50936726
- VURh8leuerwuQQenfZd0H5/35EJOqC4cqxuovhZ2eYluPcTVhBvokjuc7CzttxDlM5T+KQVZ7C7/BfZbknwd9w==
- egdb14o1ebbno0gki65fhc50al
- SPFv=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
- e12kct51ehnvpd7vo4q28kd1ik
- kkmcucbdrunfq0sqe4haeekk9k
- docusign=2b154078-a374-44b9-80eb-3ed4844f9996
- amazonses:r8H9k0A9i2XiHuRAaxhAUwHo4wTj2s9lkx5T7MQ1TF4=
- duo_sso_verification=QuH8MTGXPH5x16hKlAaqbBdkeU42x7dFtafmUYAUqo0L8eggmGF1nhZwhqhncXtT
- MS=ms65548421
- bikpfs7hdocnrej6i6acadtbe0
- google-site-verification=MeMQ3R0_dYCbTQ5mSFTZBrUb7qVe-mAEdgZqQ45xUmE
- ms-domain-verification=f2031ab0-4b94-4b87-ad54-060ec084aea0
Full email verification for rush.edu
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