Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
duncanvilleisd.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 06:13:16 UTC · ↺ Refresh
MX Hostnames
- duncanvilleisd-org.mail.protection.outlook.com
MX Priorities
- duncanvilleisd-org.mail.protection.outlook.com: 0
A / AAAA Records
- 104.17.68.73 (no PTR)
Mail Server IPs
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns47.domaincontrol.com dns.jomax.net 2026031000 28800 7200 604800 600
Primary NS (mname)
ns47.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026031000
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns47.domaincontrol.com
ns48.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:216.213.255.95 ip4:216.213.255.96 ip4:66.195.143.26 ip4:8.12.72.20 ip4:12.51.228.127 include:customerspf.schoolmessenger.com include:spf.protection.outlook.com include:_spf.google.com include:_spf.salesforce.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=r; aspf=r; rua=mailto:[email protected],mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; fo=d
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
7 records- have-i-been-pwned-verification=9aa3d092dc86c1e9c9d1ff73d6301153
- Uls3gxUkzdinKR4xX/y7mZURoPbEP566+oNbdJjsVumTI7QOGLIJoV5mujl7JJa4eCzh4FZvGlyCj38xlg4iHA==
- SPFv=spf1 a mx ip4:216.213.255.95 ip4:216.213.255.96 ip4:66.195.143.26 ip4:8.12.72.20 ip4:12.51.228.127 include:customerspf.schoolmessenger.com include:spf.protection.outlook.com include:_spf.google.com include:_spf.salesforce.com -all
- v=b594bd75-0dcb-494f-9e1b-9c7d0f33d343
- autodesk-domain-verification=WD5A-lKYq6TU9gi2AXHm
- adobe-idp-site-verification=308d4800b943a1cd348487c7228b6835788fc9e7652421fbd3543b756c267b63
- apple-domain-verification=SoQN54Kp6NW49P5p
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