Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mir3.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 18:54:22 UTC · ↺ Refresh
MX Hostnames
- mir3-com.mail.protection.outlook.com
MX Priorities
- mir3-com.mail.protection.outlook.com: 0
A / AAAA Records
- 162.159.128.41 (no PTR)
- 162.159.138.40 (no PTR)
Mail Server IPs
- 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1474.awsdns-56.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1474.awsdns-56.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-880.awsdns-46.net
ns-1474.awsdns-56.org
ns-1610.awsdns-09.co.uk
ns-319.awsdns-39.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:66.194.5.130 ip4:97.107.118.214 ip4:216.24.147.140 ip4:104.143.85.100 ip4:67.202.198.229 ip4:63.241.4.85 ip4:216.251.255.210 include:ses.onsolve.net include:mktomail.com include:_spf.salesforce.com include:spf.protection.outlook.com ip4:34.252.187.69 ip4:52.48.126.73 -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=s
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- 0ed1fe018aaae950e110894e78b524ca696297b183
- 0ed1fe018ac02073052897432298368a
- 613f0q13os8jll9tji7ka12nrd
- MS=ms51984831
- SPFv=spf1 ip4:66.194.5.130 ip4:97.107.118.214 ip4:216.24.147.140 ip4:104.143.85.100 ip4:67.202.198.229 ip4:63.241.4.85 ip4:216.251.255.210 include:ses.onsolve.net include:mktomail.com include:_spf.salesforce.com include:spf.protection.outlook.com ip4:34.252.187.69 ip4:52.48.126.73 -all
- 0ed1fe018a6f9be00b7d0e4638a953e37abeb2c9bd
Full email verification for mir3.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits