sd-technologies.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sd-technologies.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-28 01:03:08 UTC · ↺ Refresh

MX Hostnames

  • sdtechnologies-de0e.mail.protection.outlook.com

MX Priorities

  • sdtechnologies-de0e.mail.protection.outlook.com: 0

A / AAAA Records

  • 85.187.142.76 ↩ nl1-ts110.a2hosting.com

Mail Server IPs

  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
  • 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns1113.ui-dns.biz hostmaster.1und1.com 2017032776 28800 7200 604800 600
Primary NS (mname)
ns1113.ui-dns.biz
Admin Email (rname)
hostmaster@1und1.com
Serial
2017032776
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1078.ui-dns.de
ns1113.ui-dns.biz
ns1095.ui-dns.com
ns1120.ui-dns.org

SPF Record

✓ Strict (-all)
v=spf1 ip4:87.78.129.216 ip4:93.159.248.95 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict 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

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

1 record
  • SPFv=spf1 ip4:87.78.129.216 ip4:93.159.248.95 include:spf.protection.outlook.com -all
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