prentke-romich.de

Valid Email Server
Domain Lookup › prentke-romich.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
prentke-romich.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-02 05:07:10 UTC · ↺ Refresh

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MX Hostnames

  • prentkeromich-de01i.mail.protection.outlook.com

MX Priorities

  • prentkeromich-de01i.mail.protection.outlook.com: 0

A / AAAA Records

  • 212.72.182.68 ↩ cyberwebserver-09.de

Mail Server IPs

  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 52.101.170.0 ↩ mail-fr5p281cu00500.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:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com

SOA Record

Raw SOA dns.dns1.de hostmaster.prentke-romich.de 2026022602 28800 7200 604800 600
Primary NS (mname)
dns.dns1.de
Admin Email (rname)
hostmaster@prentke-romich.de
Serial
2026022602
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

dns.dns3.de
dns.dns2.de
dns.dns1.de
dns.dns4.de

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.server4all.de include:spf.brevo.com include:_spf.google.com include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; pct=100;rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 3 found
selector1._domainkey
selector2._domainkey
mail._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
  • apple-domain-verification=oRcyBH816mXowN6G
  • *.mail.protection.outlook.com
  • atlassian-sending-domain-verification=8f349bc2-56db-4acc-9b2b-484aae64c6a9
  • brevo-code:89685d1641f9bc8e5ae0c3b943e22ddb
  • SPFv=spf1 include:spf.protection.outlook.com include:_spf.server4all.de include:spf.brevo.com include:_spf.google.com include:spf-de.emailsignatures365.com -all
  • MS=ms92634324
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