Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
fortressinterlocks.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 00:05:06 UTC · ↺ Refresh
MX Hostnames
- fortressinterlocks-com.mail.protection.outlook.com
MX Priorities
- fortressinterlocks-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.84.108 (no PTR)
- 172.67.191.98 (no PTR)
- 2606:4700:3033::6815:546c
- 2606:4700:3037::ac43:bf62
Mail Server IPs
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
SOA Record
Raw SOA
carioca.ns.cloudflare.com dns.cloudflare.com 2396720802 10000 2400 604800 1800
Primary NS (mname)
carioca.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396720802
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
carioca.ns.cloudflare.com
justin.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:45.62.188.152 ip4:85.255.19.2 ip4:185.114.122.147 ip4:140.82.206.28 include:spf.protection.outlook.com include:_spf.salesforce.com include:servers.mcsv.net include:_spf.psm.knowbe4.com include:sendgrid.net include:spf.au.exclaimer.net ip4:82.71.237.114 ip4:195.74.54.219 ip4:52.178.180.2 -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._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
3 records- MS=ms47845730
- MS=ms73064435
- SPFv=spf1 ip4:45.62.188.152 ip4:85.255.19.2 ip4:185.114.122.147 ip4:140.82.206.28 include:spf.protection.outlook.com include:_spf.salesforce.com include:servers.mcsv.net include:_spf.psm.knowbe4.com include:sendgrid.net include:spf.au.exclaimer.net ip4:82.71.237.114 ip4:195.74.54.219 ip4:52.178.180.2 -all
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