residenz-am-zwinger.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
residenz-am-zwinger.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-22 11:16:42 UTC · ↺ Refresh

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MX Hostnames

  • MAIL.DC3.CZ
  • RESIDENZAMZWINGER-DE02J.MAIL.PROTECTION.OUTLOOK.COM
  • BLACKCAT.TELE3.CZ

MX Priorities

  • mail.dc3.cz: 10
  • residenzamzwinger-de02j.mail.protection.outlook.com: 0
  • blackcat.tele3.cz: 20

A / AAAA Records

  • 185.214.120.200 ↩ proxy.ronet.de

Mail Server IPs

  • 81.0.217.5 ↩ mail.dc3.cz
  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
  • 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
  • 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.101domain.com admin.residenz-am-zwinger.de 2016042048 10800 3600 604800 38400
Primary NS (mname)
ns1.101domain.com
Admin Email (rname)
admin@residenz-am-zwinger.de
Serial
2016042048
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
38400s

Nameservers (NS)

ns5.101domain.com
ns1.101domain.com
ns2.101domain.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:microsdc.com include:spf.ronet.de -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

2 records
  • MS=ms12570977
  • SPFv=spf1 include:spf.protection.outlook.com include:microsdc.com include:spf.ronet.de -all
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