dssmzm.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
dssmzm.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-25 23:56:28 UTC · ↺ Refresh

MX Hostnames

  • dssmzm-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 209.237.150.20 (no PTR)

Mail Server IPs

  • 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
  • 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
  • 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
  • 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns-1905.awsdns-46.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1905.awsdns-46.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1321.awsdns-37.org
ns-1905.awsdns-46.co.uk
ns-554.awsdns-05.net
ns-107.awsdns-13.com

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:83.111.187.188 ip4:83.111.187.189 ip4:83.111.187.190 ip4:83.111.187.186 ip4:94.56.103.83 ip4:94.56.103.82 ip4:209.237.134.152 ip4:206.103.2.54 include:amazonses.com include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

2 records
  • KI15VHIgXjnzdcqptMKP+kP+mTPtAfakOm5lU5GEuq+vpvFEs9rLqTnM39jo6CESCMZPa8dhOiTWIvCqmB76AA==
  • SPFv=spf1 a mx ip4:83.111.187.188 ip4:83.111.187.189 ip4:83.111.187.190 ip4:83.111.187.186 ip4:94.56.103.83 ip4:94.56.103.82 ip4:209.237.134.152 ip4:206.103.2.54 include:amazonses.com include:spf.protection.outlook.com -all
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