campusdoor.com

Valid Email Server
Domain Lookup › campusdoor.com

Domain Overview

DNS: ✓ 20d ago Checker: ✓ 20d ago
campusdoor.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 06:15:54 UTC · ↺ Refresh

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MX Hostnames

  • campusdoor-com.mail.protection.outlook.com

MX Priorities

  • campusdoor-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 44.199.96.80 ↩ ec2-44-199-96-80.compute-1.amazonaws.com
  • 32.197.167.54 ↩ ec2-32-197-167-54.compute-1.amazonaws.com

Mail Server IPs

  • 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
  • 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
  • 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
  • 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
  • 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com

SOA Record

Raw SOA ns-1213.awsdns-23.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1213.awsdns-23.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-834.awsdns-40.net
ns-1213.awsdns-23.org
ns-1755.awsdns-27.co.uk
ns-263.awsdns-32.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:50.207.176.176/28 ip4:54.205.232.240 ip4:54.227.132.103 include:spf.protection.outlook.com include:spf-001e9101.pphosted.com ip4:167.89.6.60 ip4:167.89.6.70 ip4:167.89.6.71 ip4:167.89.6.99 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 4 found
selector1._domainkey
selector2._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

8 records
  • 05STAzV9QOub1HB+qWZMOvlaVxGUoRCl48x4K0zsGZNj56srdTA2gVt60rI8ktXucyTbcf3lPEPWrDE3zyn0hw==
  • Foxit-domain-verification=02c708b4c87575cdefc0092ecbd8e2a8
  • MS=ms47037407
  • globalsign-domain-verification=0887332A171CE2FBD477C4A2F7D591F7
  • globalsign-domain-verification=C53FF67D487DAB953D85E373BD52A935
  • globalsign-domain-verification=ad1966e59993b03970b75ca7a51f2b7e
  • globalsign-domain-verification=da0a74eca99ddf29dcc811f6b6b48557
  • SPFv=spf1 ip4:50.207.176.176/28 ip4:54.205.232.240 ip4:54.227.132.103 include:spf.protection.outlook.com include:spf-001e9101.pphosted.com ip4:167.89.6.60 ip4:167.89.6.70 ip4:167.89.6.71 ip4:167.89.6.99 -all
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