cdrewu.edu

Valid Email Server
Domain Lookup › cdrewu.edu

Domain Overview

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

Checked via [email protected] · 2026-03-22 22:52:53 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

  • cdrewu-edu.mail.protection.outlook.com: 0

A / AAAA Records

  • 54.151.118.105 ↩ ec2-54-151-118-105.us-west-1.compute.amazonaws.com

Mail Server IPs

  • 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
  • 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
  • 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
  • 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
  • 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA ns1-05.azure-dns.com helpdesk.cdrewu.edu 2019061901 3600 600 604800 1800
Primary NS (mname)
ns1-05.azure-dns.com
Admin Email (rname)
helpdesk@cdrewu.edu
Serial
2019061901
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

ns3-05.azure-dns.org
ns4-05.azure-dns.info
ns1-05.azure-dns.com
ns2-05.azure-dns.net

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:206.117.32.0/24 ip4:76.80.192.58/32 mx include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; fo=1; rua=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]

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

13 records
  • 5k8nmlgmstqoprhuo1sim2t7j2
  • 7RAdpaB4ZERH2bCd1ECbZ25ReLF2tdl7ZI86/CmQpgQ2JSJOhthgDTkMBuoqhdZw5EIanIv6Run3x2Shm9Lhpw==
  • 883e34194020a59f19b368a1666ab676
  • MS=ms29651560
  • SPFv=spf1 ip4:206.117.32.0/24 ip4:76.80.192.58/32 mx include:spf.protection.outlook.com ~all
  • 800a0783hflkpb54g7jgkj11f9
  • google-site-verification=JCnHuAeF-AKa-szPc0W7nE3CdyLi9X1AFOFOoy9_gc0
  • google-site-verification=-f0sdt5ZWpezfrwj836nXVpYxBEPaCC94STqJNG4iEw
  • r7iq5b8cccbdv809v15s3bmvu3
  • kuchhk0tii4ds41gj3q24s5rvp
  • 59s6hi61obrqvvvqhh17cdh1k4
  • mii07m2dp401g8e21vpbk8gttr
  • apple-domain-verification=4KnZE3wCZuWTg1yq
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