Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ddktax.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 07:37:33 UTC · ↺ Refresh
MX Hostnames
- ddktax-com.mail.protection.outlook.com
MX Priorities
- ddktax-com.mail.protection.outlook.com: 10
A / AAAA Records
- 69.20.104.42 (no PTR)
Mail Server IPs
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
- 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.nameresolvers.com dnsadmin.namejuice.com 2023120619 7200 7200 604800 86400
Primary NS (mname)
dns1.nameresolvers.com
Admin Email (rname)
dnsadmin@namejuice.com
Serial
2023120619
Refresh
7200s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
dns4.nameresolvers.com
dns1.nameresolvers.com
dns2.nameresolvers.com
dns3.nameresolvers.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
1 record- SPFv=spf1 include:spf.protection.outlook.com -all
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