Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
piercecollege.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 05:42:01 UTC · ↺ Refresh
MX Hostnames
- piercecollege-edu.mail.protection.outlook.com
MX Priorities
- piercecollege-edu.mail.protection.outlook.com: 0
A / AAAA Records
- 13.107.213.40 (no PTR)
- 13.107.246.40 (no PTR)
Mail Server IPs
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
- 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-32.azure-dns.com azuredns-hostmaster.microsoft.com 2025100301 3600 300 2419200 300
Primary NS (mname)
ns1-32.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
2025100301
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns2-32.azure-dns.net
ns3-32.azure-dns.org
ns4-32.azure-dns.info
ns1-32.azure-dns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ip4:204.102.73.119 ip4:207.62.63.165 ip4:204.102.73.44 ip4:216.17.93.137 ip4:136.179.3.130 include:spf.protection.outlook.com include:amazonses.com include:verifymyfafsa.com include:spf.blackboardconnect.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; pct=10; sp=reject
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: reject
⚠ Policy applies to 10% of failing messages only
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
7 records- apple-domain-verification=1Ot79STeettIL6zo
- MS=ms62499243
- SPFv=spf1 mx ip4:204.102.73.119 ip4:207.62.63.165 ip4:204.102.73.44 ip4:216.17.93.137 ip4:136.179.3.130 include:spf.protection.outlook.com include:amazonses.com include:verifymyfafsa.com include:spf.blackboardconnect.com ~all
- MS=ms91199873
- adobe-idp-site-verification=167454df-e951-4fef-852f-ac18bb043f77
- 8GklNLJECgH29jlxABVNxx/yW1kf/VgopLupkXDEeKkNwIDrOVEqqXwQfx/HPrZkjEAMLP2Vr/fwOt3zwSmxtA==
- amazonses:k8lHeB2yGEZLv9Far3gdvkcgCct/Mfx9DHWYlm6EUIg=
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