Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
acsk-12.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 22:10:01 UTC · ↺ Refresh
MX Hostnames
- acsk12-org01b.mail.protection.outlook.com
MX Priorities
- acsk12-org01b.mail.protection.outlook.com: 0
A / AAAA Records
- 104.17.71.73 (no PTR)
Mail Server IPs
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns49.domaincontrol.com dns.jomax.net 2025081500 86400 7200 3600000 86400
Primary NS (mname)
ns49.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025081500
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns50.domaincontrol.com
ns49.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:66.195.143.26 ip4:8.12.72.20 include:spf.happyfox.com include:spf.protection.outlook.com include:gaggle.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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- ZOOM_verify_I6ede6uqQ2KJpRy2rb0vkA
- schoology-domain-verification=c9049e39df14a765bf18b924ebe027c635b8a00a37df7281c5f96f56f6f2ab60
- autodesk-domain-verification=aBatyywMZPNM__7np_YM
- SPFv=spf1 ip4:66.195.143.26 ip4:8.12.72.20 include:spf.happyfox.com include:spf.protection.outlook.com include:gaggle.net -all
- apple-domain-verification=K0aVsVTe1pUJMl0v
- adobe-idp-site-verification=39ca25680e6314542d9b9ef0a02ad7cb0daccab84e3b271dd8fe8e42bc7680a5
- facebook-domain-verification=q89mpg5d515avxanc0nyj0ap6e240q
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