Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
trsaero.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 20:05:19 UTC · ↺ Refresh
MX Hostnames
- trsaero-com.mail.protection.outlook.com
MX Priorities
- trsaero-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.55.107 (no PTR)
- 172.67.171.25 (no PTR)
- 2606:4700:3035::ac43:ab19
- 2606:4700:3030::6815:376b
Mail Server IPs
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
hugh.ns.cloudflare.com dns.cloudflare.com 2399775554 10000 2400 604800 1800
Primary NS (mname)
hugh.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399775554
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
laylah.ns.cloudflare.com
hugh.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
4 records- sophos-domain-verification=c9ef3b759a9d2aa94379fada7a32b512547150e5
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com -all
- MS=ms73944899
- knowbe4-site-verification=2c8fbdc3619573928f9792c893a9219a
Full email verification for trsaero.com
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