dlsteiner.com

Valid Email Server
Domain Lookup › dlsteiner.com

Domain Overview

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

Checked via [email protected] · 2026-03-30 05:41:57 UTC · ↺ Refresh

MX Hostnames

  • dlsteiner-com.mail.protection.outlook.com

MX Priorities

  • dlsteiner-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 209.38.50.198 (no PTR)

Mail Server IPs

  • 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
  • 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
  • 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
  • 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
  • 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.mydyndns.org zone-admin.dyndns.com 2017101720 10800 1800 604800 1800
Primary NS (mname)
ns1.mydyndns.org
Admin Email (rname)
zone-admin@dyndns.com
Serial
2017101720
Refresh
10800s
Retry
1800s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

ns1169.dns.dyn.com
ns4137.dns.dyn.com
ns3130.dns.dyn.com
ns2174.dns.dyn.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:authsmtp.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.

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

All TXT Records

6 records
  • ge2EvENu#ESp
  • SPFv=spf1 include:spf.protection.outlook.com include:authsmtp.com -all
  • 12nqsqil82ouiug09mvviq0tne
  • h62mb4dp1v3efb6nb2ki56km7i
  • jgkjs13hk63il57p99vsst3tb0
  • MS=ms74624718
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