itssn.com

Valid Email Server
Domain Lookup › itssn.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
itssn.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-02 06:17:18 UTC · ↺ Refresh

MX Hostnames

  • itssn-com.mail.protection.outlook.com

MX Priorities

  • itssn-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 68.66.226.79 ↩ az1-sr7.supercp.com

Mail Server IPs

  • 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
  • 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
  • 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
  • 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.supercp.com biz.itssn.com 2026021501 3600 1800 1209600 86400
Primary NS (mname)
ns1.supercp.com
Admin Email (rname)
biz@itssn.com
Serial
2026021501
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns1.supercp.com
ns2.supercp.com
ns4.supercp.com
ns3.supercp.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 392 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

1 record
  • SPFv=spf1 include:spf.protection.outlook.com -all
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