Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
strutinstallation.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 12:55:36 UTC · ↺ Refresh
MX Hostnames
- strutinstallation-com.mail.protection.outlook.com
MX Priorities
- strutinstallation-com.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.150.241 (no PTR)
- 104.21.0.121 (no PTR)
- 2606:4700:3035::6815:79
- 2606:4700:3036::ac43:96f1
Mail Server IPs
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
SOA Record
Raw SOA
summer.ns.cloudflare.com dns.cloudflare.com 2397272650 10000 2400 604800 1800
Primary NS (mname)
summer.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397272650
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
summer.ns.cloudflare.com
walt.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
default._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
2 records- SPFv=spf1 include:spf.protection.outlook.com -all
- google-site-verification=hEpwMBeVaNx6LlNNwFMBRm03IXn9oFFNDIDEyuSigro
Full email verification for strutinstallation.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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