renum.de

Valid Email Server
Domain Lookup › renum.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
renum.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-21 21:19:26 UTC · ↺ Refresh

MX Hostnames

  • mx01.kundenserver.de
  • renum-de.mail.protection.outlook.com
  • mx00.kundenserver.de

MX Priorities

  • mx00.kundenserver.de: 20
  • mx01.kundenserver.de: 21
  • renum-de.mail.protection.outlook.com: 0

A / AAAA Records

  • 78.46.3.12
  • 2a01:4f8:d0a:324d::2

Mail Server IPs

  • 212.227.15.41 ↩ mx00.kundenserver.de
  • 217.72.192.67 ↩ mx01.kundenserver.de
  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns1041.ui-dns.biz hostmaster.kundenserver.de 2017021836 28800 7200 604800 300
Primary NS (mname)
ns1041.ui-dns.biz
Admin Email (rname)
hostmaster@kundenserver.de
Serial
2017021836
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1041.ui-dns.com
ns1041.ui-dns.org
ns1041.ui-dns.de
ns1041.ui-dns.biz

SPF Record

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

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1

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

All TXT Records

3 records
  • google-site-verification=SIBJC7YlJZnMS_LXErBlmD89EtJOz4NkrWo4z1TxamQ
  • v=verifydomain MS=9530898
  • SPFv=spf1 include:spf.protection.outlook.com -all
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