Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
centenary.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 21:28:32 UTC · ↺ Refresh
MX Hostnames
- centenary-edu.mail.protection.outlook.com
MX Priorities
- centenary-edu.mail.protection.outlook.com: 0
A / AAAA Records
- 69.20.113.171 (no PTR)
Mail Server IPs
- 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.p201.dns.oraclecloud.net hostmaster.centenary.edu 31 3600 600 604800 1800
Primary NS (mname)
ns1.p201.dns.oraclecloud.net
Admin Email (rname)
hostmaster@centenary.edu
Serial
31
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ns3.p201.dns.oraclecloud.net
ns2.p201.dns.oraclecloud.net
ns1.p201.dns.oraclecloud.net
ns4.p201.dns.oraclecloud.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:192.241.157.12 ip4:69.80.143.0/24 ip4:69.20.113.170 mx:centenary.edu include:spf.protection.outlook.com include:_tuf-spf.touchnet.com include:spf.sendinblue.com include:rp.oracleemaildelivery.com include:outboundmail.blackbaud.net -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=none; rua=mailto:[email protected]!10m; ruf=mailto:[email protected]!10m; rf=afrf; pct=100; ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]!10m
↳ Subdomain policy: none
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
mail._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
5 records- Sendinblue-code:160d1089769095a328703e634f5de06f
- include:spf.mandrillapp.com include:email.prnewswire.com -all
- facebook-domain-verification=vpso1zj9aiilr6uwdjgxkt5wf6f0s0
- apple-domain-verification=90O306GOJTkotw6b
- SPFv=spf1 ip4:192.241.157.12 ip4:69.80.143.0/24 ip4:69.20.113.170 mx:centenary.edu include:spf.protection.outlook.com include:_tuf-spf.touchnet.com include:spf.sendinblue.com include:rp.oracleemaildelivery.com include:outboundmail.blackbaud.net -all
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