Domain Overview
DNS: ✓ 21d ago
Checker: ✓ 21d ago
alive.cz
Disposable
✓ Yes
Outlook
⚠ Yes
Yes
⚠ Yes
No
No
Checked via [email protected]
· 2026-08-15 10:03:08 UTC · ↺ Refresh
MX Hostnames
- alive-cz.mail.protection.outlook.com
MX Priorities
- alive-cz.mail.protection.outlook.com: 5
A / AAAA Records
- 108.133.68.92 ↩ ec2-108-133-68-92.eu-west-1.compute.amazonaws.com
- 63.32.212.214 ↩ ec2-63-32-212-214.eu-west-1.compute.amazonaws.com
Mail Server IPs
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-2027.awsdns-61.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-2027.awsdns-61.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-2027.awsdns-61.co.uk
ns-36.awsdns-04.com
ns-745.awsdns-29.net
ns-1291.awsdns-33.org
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:amazonses.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:spf.protection.outlook.com include:amazonses.com -all
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