Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
schulershook.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 17:28:04 UTC · ↺ Refresh
MX Hostnames
- schulershook-com.mail.protection.outlook.com
MX Priorities
- schulershook-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.131.64.229 (no PTR)
Mail Server IPs
- 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns97.worldnic.com namehost.worldnic.com 125111809 10800 3600 604800 3600
Primary NS (mname)
ns97.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125111809
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns97.worldnic.com
ns98.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:autotask.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
5 records- ofB/xsBZSF34PpGWYu86e9ZokS1lKQzVLpiNyoZ00H+JLPvzcwzuIssbdk8H1tzpIcUYIXazk+yZ8Iz4vMMR8g==
- autodesk-domain-verification=Q7WPWxpUHrUgZpLf37ue
- google-site-verification=nHBIkKYIqnnYzNIwrCZxxMMoFId_3YKeCn3pI3EBU-E
- SPFv=spf1 include:spf.protection.outlook.com include:autotask.net -all
- z1c5m4nr8rqwqxyhw71pjzxvlqnb9l4m
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