Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
qosina.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 15:38:03 UTC · ↺ Refresh
MX Hostnames
- qosina-com.mail.protection.outlook.com
MX Priorities
- qosina-com.mail.protection.outlook.com: 10
A / AAAA Records
- 104.18.15.4 (no PTR)
- 104.18.14.4 (no PTR)
Mail Server IPs
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.8.42 ↩ mail-dm6pr03cu00402.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:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns10.dnsmadeeasy.com dns.dnsmadeeasy.com 2009012445 43200 3600 1209600 180
Primary NS (mname)
ns10.dnsmadeeasy.com
Admin Email (rname)
dns@dnsmadeeasy.com
Serial
2009012445
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns11.dnsmadeeasy.com
ns14.dnsmadeeasy.com
ns15.dnsmadeeasy.com
ns10.dnsmadeeasy.com
ns13.dnsmadeeasy.com
ns12.dnsmadeeasy.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:47.21.11.177 ip4:47.19.72.187 ip4:47.19.72.145 ip4:47.19.72.151 include:spf.protection.outlook.com include:customers.clickdimensions.com include:spf.emailsignatures365.com include:spf-us.emailsignatures365.com include:_spf.messagegears.net include:sendgrid.net -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; sp=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
7 records- djk6mxlxrsngdcxnrggszv8qfk0qx89h
- SPFv=spf1 ip4:47.21.11.177 ip4:47.19.72.187 ip4:47.19.72.145 ip4:47.19.72.151 include:spf.protection.outlook.com include:customers.clickdimensions.com include:spf.emailsignatures365.com include:spf-us.emailsignatures365.com include:_spf.messagegears.net include:sendgrid.net -all
- _d7y4v5afouhs6qhhk88w7ktwp53g8ze
- MS=ms10965230
- anthropic-domain-verification-tr37hp=PI4CycjpZnZSBSuTv4IzT8rdK
- google-site-verification=a5_Q5aLjEvCYWYtURc-Zzl9HiAslO_NQFMC9BhZOLSc
- 3vqIejfD1NGtr95xQPpPyuiJBTRir97NcDUrGQbNyzCM1pup8T1yYCgmtelHsRJD3a3d52g/8sDJGuRwN3VSQg==
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