Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
theradynamics.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 22:20:00 UTC · ↺ Refresh
MX Hostnames
- theradynamics-com.mail.protection.outlook.com
MX Priorities
- theradynamics-com.mail.protection.outlook.com: 10
A / AAAA Records
- 50.28.56.78 ↩ host.siteassembly.com
Mail Server IPs
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.n-dns.net julian.nycdatasystems.com 2022061410 7200 1800 1209600 3600
Primary NS (mname)
ns1.n-dns.net
Admin Email (rname)
julian@nycdatasystems.com
Serial
2022061410
Refresh
7200s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns3.n-dns.net
ns1.n-dns.net
ns2.n-dns.net
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
✗ 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
3 records- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms68162682
- knowbe4-site-verification=bd696d5a270279b53c402eab5afe6d7b
Full email verification for theradynamics.com
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