sic-design.de

Valid Email Server
Domain Lookup › sic-design.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sic-design.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 18:57:53 UTC · ↺ Refresh

MX Hostnames

  • sicdesign-de0i.mail.eo.outlook.com

MX Priorities

  • sicdesign-de0i.mail.eo.outlook.com: 0

A / AAAA Records

  • 217.160.0.103 ↩ 217-160-0-103.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::28a ↩ 2001-08d8-100f-f000-0000-0000-0000-028a.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
  • 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns1020.ui-dns.de hostmaster.1und1.de 2017031423 28800 7200 604800 300
Primary NS (mname)
ns1020.ui-dns.de
Admin Email (rname)
hostmaster@1und1.de
Serial
2017031423
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1020.ui-dns.org
ns1020.ui-dns.biz
ns1020.ui-dns.com
ns1020.ui-dns.de

SPF Record

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

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 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 include:spf.protection.outlook.com -all
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