tecosol.de

Valid Email Server
Domain Lookup › tecosol.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
tecosol.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 08:12:55 UTC · ↺ Refresh

MX Hostnames

  • tecosol-de.mail.protection.outlook.com

MX Priorities

  • tecosol-de.mail.protection.outlook.com: 0

A / AAAA Records

  • 217.160.0.186 ↩ 217-160-0-186.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::21d ↩ 2001-08d8-100f-f000-0000-0000-0000-021d.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com

SOA Record

Raw SOA ns1026.ui-dns.org hostmaster.1und1.de 2017042660 28800 7200 604800 300
Primary NS (mname)
ns1026.ui-dns.org
Admin Email (rname)
hostmaster@1und1.de
Serial
2017042660
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1026.ui-dns.com
ns1026.ui-dns.org
ns1026.ui-dns.biz
ns1026.ui-dns.de

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf-de.emailsignatures365.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

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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

3 records
  • MS=ms63200235
  • SPFv=spf1 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
  • ms-domain-verification=b2a93b4e-b008-4170-a193-4c896517e9dd
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