steuerberatung-buettner.de

Valid Email Server
Domain Lookup › steuerberatung-buettner.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
steuerberatung-buettner.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-26 06:26:49 UTC · ↺ Refresh

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MX Hostnames

  • steuerberatungbuettner-de03e.mail.protection.outlook.com

MX Priorities

  • steuerberatungbuettner-de03e.mail.protection.outlook.com: 10

A / AAAA Records

  • 83.169.20.97 ↩ srv-18.truetravel.de

Mail Server IPs

  • 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
  • 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com

SOA Record

Raw SOA shades01.rzone.de hostmaster.strato-rz.de 2020050705 86400 7200 604800 300
Primary NS (mname)
shades01.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020050705
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

shades01.rzone.de
docks12.rzone.de

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.emailsignatures365.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

3 records
  • REDDCRYPT=5e4538b3e028e900017724f8
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.emailsignatures365.com -all
  • MS=ms48600853
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