Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
detroitk12.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 05:02:27 UTC · ↺ Refresh
MX Hostnames
- detroitk12-org.mail.protection.outlook.com
MX Priorities
- detroitk12-org.mail.protection.outlook.com: 10
A / AAAA Records
- 104.17.71.73 (no PTR)
Mail Server IPs
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
dbru.br.ns.els-gms.att.net rm-hostmaster.ems.att.com 36 86400 10000 604800 86400
Primary NS (mname)
dbru.br.ns.els-gms.att.net
Admin Email (rname)
rm-hostmaster@ems.att.com
Serial
36
Refresh
86400s
Retry
10000s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
dmtu.mt.ns.els-gms.att.net
dbru.br.ns.els-gms.att.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.schoolwires.net include:_spf.qualtrics.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
6 records- SPFv=spf1 include:spf.protection.outlook.com include:spf.schoolwires.net include:_spf.qualtrics.com -all
- adobe-idp-site-verification=e979f1b108574829cb9abd585b2cb3b58a51403e513acbf547f448d2cb9b7097
- apple-domain-verification=cirApQNfnIC4pOyh
- have-i-been-pwned-verification=dweb_2y7fw6oeim9qdqfoyya78leo
- MS=15379AFA8E60D9E5A0C46EA1223F2DDBBAC6E06B
- MS=ms91654633
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