Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
chop.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 12:42:17 UTC · ↺ Refresh
MX Hostnames
- chop-edu.mail.protection.outlook.com
MX Priorities
- chop-edu.mail.protection.outlook.com: 10
A / AAAA Records
- 23.185.0.3 (no PTR)
- 2620:12a:8001::3 (no PTR)
- 2620:12a:8000::3
Mail Server IPs
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
extdns1.chop.edu hayess.email.chop.edu 3000003156 10800 3600 1209600 1800
Primary NS (mname)
extdns1.chop.edu
Admin Email (rname)
hayess@email.chop.edu
Serial
3000003156
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
1800s
Nameservers (NS)
extdns3.chop.edu
extdns1.chop.edu
extdns2.chop.edu
SPF Record
✓ Strict (-all)
v=spf1 include:_u.chop.edu._spf.smart.ondmarc.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; fo=1; rf=afrf; ri=86400; rua=mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
18 records- 434A-D677-CC9F-8ABA-0258-EC99-9282-844A
- autodesk-domain-verification=FjJ5nzTwJ-1R0XUHtjg0
- SPFv=spf1 include:_u.chop.edu._spf.smart.ondmarc.com include:spf.protection.outlook.com -all
- hcp-domain-verification=2903e6258474d07b5760cd6962a1a927a2f45fe459730da583fcd2af545d4acc
- 70399e00-aa0e-4234-a231-7696863bbb6f
- vkmTzAMrEXnLhc+q6TOXFv3TTg3qoxgGdX2+0V501tts+jQTf1lvMMMGEsKeldsWBwWhn58Eu83ys0MMJbW1SA==
- atlassian-domain-verification=P1IKR5NXLEB2qPRyQcoA3aeMMioDo2inwmt7TKBtnElt0zfHYQKcZlfI3/pwCxpX
- jamf-site-verification=YR0d8WEVOOc2IaUFAyccyg
- apple-domain-verification=pSO9X9Ur2RYCulzn5b2AUs1oENIUjnIOC-ZW2Lqt9jA
- d365mktkey=9WldaKzew5aHaMxxi66UTxBLgxOTxFXN78V3J9mGt08x
- docusign=035cd9f0-9ae4-46dd-94bb-f7a0f5a43b19
- 6BKWMdNTxKezm6vZ8EQa5uA8Ljsz0sC8zfcHzLR6NBadZC/CZ50CXwdzpiH4458hBK8T/xXCnHz0Icd49hgkdg==
- MS=3C15DF287A564C945893458807666F16A8ADC956
- domain-verification=68452dac-47e1-aed2-ef06-e8d07eb0fb59
- MS=ms22618234
- docusign=3738c455-4a3d-4699-997a-48b9717efdfe
- /XGPSCHC7I0HKtJiWo6BSGltoGFtJiqqKhRll2iV/aq08dUPOr1VONoI4qPmkljEzHE4nkRbhDHEiFIk91eMAA==
- cisco-ci-domain-verification=4204fca293f1aa4ea778951076f37654ec285dfbc6fbe1f64bc9a599efa13b01
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