rex-at.de

Valid Email Server
Domain Lookup › rex-at.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
rex-at.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 11:43:44 UTC · ↺ Refresh

MX Hostnames

  • rexat-de0i.mail.protection.outlook.com

MX Priorities

  • rexat-de0i.mail.protection.outlook.com: 0

A / AAAA Records

  • 92.204.236.31 ↩ ms10784.ispgateway.de
  • 2a00:1158::31f:0:0:0:0 ↩ ms10784.ispgateway.de

Mail Server IPs

  • 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
  • 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns81.domaincontrol.com dns.jomax.net 2026012001 28800 7200 604800 600
Primary NS (mname)
ns81.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026012001
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns81.domaincontrol.com
ns82.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 a:smtp.eckelmann.de include:spf.protection.outlook.com include:_spf.atlassian.net include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 4/10
✓ 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: 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

6 records
  • _2wyqkte2r94kz7ubm82gqvo9ke9u7de
  • SPFv=spf1 a:smtp.eckelmann.de include:spf.protection.outlook.com include:_spf.atlassian.net include:spf-de.emailsignatures365.com -all
  • atlassian-domain-verification=OHrRe2wZNZsof5azKxPVzkafKl7MG6uz1uVYhklFbPce8e0d8xSrLV7atKi4/IeS
  • 1password-site-verification=UJOSZ7WGPNBIRJ4EKLAS6YBCUM
  • atlassian-sending-domain-verification=868a4c94-bbfb-41cf-bb8a-57c86cbd8866
  • 202210041953152lyiu2x8qzrcp19uw215pc8hn0o8guvmq52u0ly03q2j2l1h2e
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