smartin.biz

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-28 05:38:14 UTC · ↺ Refresh

MX Hostnames

  • smartin-biz.mail.protection.outlook.com

MX Priorities

  • smartin-biz.mail.protection.outlook.com: 0

A / AAAA Records

  • 217.160.0.170 ↩ 217-160-0-170.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
  • 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
  • 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com

SOA Record

Raw SOA ns1073.ui-dns.com hostmaster.schlund.de 2017033326 28800 7200 604800 300
Primary NS (mname)
ns1073.ui-dns.com
Admin Email (rname)
hostmaster@schlund.de
Serial
2017033326
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1073.ui-dns.com
ns1073.ui-dns.de
ns1073.ui-dns.biz
ns1073.ui-dns.org

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:spf.eu.exclaimer.net include:spf.crsend.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim

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

All TXT Records

2 records
  • MS=ms27046489
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.eu.exclaimer.net include:spf.crsend.com ~all
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