Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dmschools.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 20:45:21 UTC · ↺ Refresh
MX Hostnames
- dmschools-org.mail.protection.outlook.com
MX Priorities
- dmschools-org.mail.protection.outlook.com: 0
A / AAAA Records
- 104.26.10.102 (no PTR)
- 172.67.69.190 (no PTR)
- 104.26.11.102
- 2606:4700:20::681a:b66
- 2606:4700:20::ac43:45be
- 2606:4700:20::681a:a66
Mail Server IPs
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
SOA Record
Raw SOA
iris.ns.cloudflare.com dns.cloudflare.com 2399157934 10000 2400 604800 1800
Primary NS (mname)
iris.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399157934
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
oswald.ns.cloudflare.com
iris.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:sharepointonline.com include:stspg-customer.com ip4:72.255.119.0/24 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; pct=100; adkim=r; aspf=r; fo=1; ri=86400; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- google-site-verification=Rq4PSNaWTwcgWzqocUHNc6SFcfNSZwJTgRBsw0f4j7w
- smartsheet-site-validation=_Zb4YwniI3X1FZdCrTc1TM-ja-d4kv0s
- status-page-domain-verification=2rzc2tm6fdq1
- SPFv=spf1 include:spf.protection.outlook.com include:sharepointonline.com include:stspg-customer.com ip4:72.255.119.0/24 -all
- _globalsign-domain-verification=fWoCZaE3yQ-6ecn9YrGOvqiinajhpoCPhFkHdndTo8
- adobe-idp-site-verification=ed4c6af6b2751378d90d936eafce0ee13e2f2ab5d2409529b875a164013b78a9
- apple-domain-verification=pO6XTR4mCOk7I225
- google-gws-recovery-domain-verification=68986997
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