Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dbu.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 03:00:01 UTC · ↺ Refresh
MX Hostnames
- dbu-edu.mail.protection.outlook.com
MX Priorities
- dbu-edu.mail.protection.outlook.com: 0
A / AAAA Records
- 128.203.233.133 (no PTR)
Mail Server IPs
- 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-08.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-08.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns4-08.azure-dns.info
ns1-08.azure-dns.com
ns2-08.azure-dns.net
ns3-08.azure-dns.org
SPF Record
✓ Strict (-all)
v=spf1 ip4:12.5.161.2 ip4:207.141.172.2 ip4:12.5.161.82 ip4:12.5.161.113 ip4:44.240.211.67 ip4:198.187.196.100 ip4:52.86.188.131 ip4:52.43.50.148 ip4:199.231.134.73/32 ip4:216.248.199.106/32 include:spf1.formassembly.com include:spf.protection.outlook.com include:aspmx.pardot.com include:_spf.explore-blue.com include:spf.elluciancloud.com include:_tuf-spf.touchnet.com include:spf.mandrillapp.com include:_spf.createsend.com -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
12 records- p5a4pjqqbb6a9gomou0kb5miel
- na1kb52nioliag6d6h323q6su0
- google-site-verification=CabDnKw3Jz8fuwk39G3fOUJD46bbqwjbvPQC9P1xsOQ
- 4tpu767chr7j1ugcgp6khphn83
- facebook-domain-verification=cukleq6nfayl1yeod2h1nc5qd3fmuj
- MS=ms35506146
- SPFv=spf1 ip4:12.5.161.2 ip4:207.141.172.2 ip4:12.5.161.82 ip4:12.5.161.113 ip4:44.240.211.67 ip4:198.187.196.100 ip4:52.86.188.131 ip4:52.43.50.148 ip4:199.231.134.73/32 ip4:216.248.199.106/32 include:spf1.formassembly.com include:spf.protection.outlook.com include:aspmx.pardot.com include:_spf.explore-blue.com include:spf.elluciancloud.com include:_tuf-spf.touchnet.com include:spf.mandrillapp.com include:_spf.createsend.com -all
- Dpc048RH/CQchYQyFIw13PIehlxsLs3gtyMEZ3liwl5lEeiqz83XhMJ731JkhFbrufxh7PA5Zg6c2sMseLKWMA==
- adobe-idp-site-verification=7014fadcdb3a2fe553dd423b47c7c3c798563ba69954bb6327f2d71e114c7c87
- pardot708303=0e2df4692ed19dd5409c96e1ab553d1f0c1f905ccefaf8e51a9c98d191c6d948
- 00d1u000000wqrsuaq
- apple-domain-verification=TB0Xn8XkCcKba4EC
Full email verification for dbu.edu
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