dfsmail.com

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-18 13:53:05 UTC · ↺ Refresh

MX Hostnames

  • mailing-com.mail.protection.outlook.com
  • dfsmail-com.mail.protection.outlook.com

MX Priorities

  • dfsmail-com.mail.protection.outlook.com: 0
  • mailing-com.mail.protection.outlook.com: 1

A / AAAA Records

  • 35.215.75.88

Mail Server IPs

  • 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
  • 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
  • 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
  • 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
  • 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
  • 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
  • 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
  • 52.101.10.6
  • 52.101.194.19
  • 2a01:111:f403:f90c::
  • 2a01:111:f403:c931::1
  • 2a01:111:f403:c946::6
  • 2a01:111:f403:c922::

SOA Record

Raw SOA ns1-08.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-08.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns4-08.azure-dns.info
ns1-08.azure-dns.com
ns2-08.azure-dns.net
ns3-08.azure-dns.org

SPF Record

✓ Strict (-all)
v=spf1 ip4:70.98.110.29 ip4:40.78.105.182 ip4:167.89.98.20 ip4:187.243.74.21 ip4:50.230.86.2 ip4:184.177.14.163 ip4:162.218.235.166 include:spf.protection.outlook.com include:sendgrid.net include:servers.mcsv.net include:_spf.freshsales.io include:45201281.spf10.hubspotemail.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=30
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
⚠ Policy applies to 30% of failing messages only

DKIM Selectors

✓ 5 found
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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

2 records
  • apple-domain-verification=45hdzR5zxY5ykCfv
  • SPFv=spf1 ip4:70.98.110.29 ip4:40.78.105.182 ip4:167.89.98.20 ip4:187.243.74.21 ip4:50.230.86.2 ip4:184.177.14.163 ip4:162.218.235.166 include:spf.protection.outlook.com include:sendgrid.net include:servers.mcsv.net include:_spf.freshsales.io include:45201281.spf10.hubspotemail.net -all
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