collas-buerowelt.de

Valid Email Server
Domain Lookup › collas-buerowelt.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
collas-buerowelt.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-25 01:47:35 UTC · ↺ Refresh

MX Hostnames

  • collasbuerowelt-de01e.mail.protection.outlook.com

MX Priorities

  • collasbuerowelt-de01e.mail.protection.outlook.com: 10

A / AAAA Records

  • 193.53.251.136 ↩ r29445.agenturserver.it

Mail Server IPs

  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
  • 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com

SOA Record

Raw SOA docks17.rzone.de hostmaster.strato-rz.de 2020051520 86400 7200 604800 300
Primary NS (mname)
docks17.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020051520
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

docks17.rzone.de
shades07.rzone.de

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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

3 records
  • SPFv=spf1 include:spf.protection.outlook.com ~all
  • google-site-verification=QeeijraMeXQvYN3RmHUy0JxxV1ym8gsP_xg0DEVAgQE
  • apple-domain-verification=VAIMWsNr14EjIlK1
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