christianpfeiffer.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
christianpfeiffer.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 16:14:43 UTC · ↺ Refresh

MX Hostnames

  • christianpfeiffer.de
  • christianpfeiffer-de.mail.protection.outlook.com

MX Priorities

  • christianpfeiffer-de.mail.protection.outlook.com: 100
  • christianpfeiffer.de: 110

A / AAAA Records

  • 92.205.194.69 ↩ sh22901.ispgateway.de
  • 212.146.247.125 ↩ christianpfeiffer.de
  • 2a00:116a:100:acc0::

Mail Server IPs

  • 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
  • 92.205.194.69 ↩ sh22901.ispgateway.de
  • 212.146.247.125 ↩ christianpfeiffer.de
  • 2a00:116a:100:acc0::

SOA Record

Raw SOA ns81.domaincontrol.com dns.jomax.net 2026011406 28800 7200 604800 600
Primary NS (mname)
ns81.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026011406
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns82.domaincontrol.com
ns81.domaincontrol.com

SPF Record

✓ Soft Fail (~all)
v=spf1 mx a include:spf.protection.outlook.com ip4:212.146.247.125 include:spf.sendinblue.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail

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

All TXT Records

6 records
  • apple-domain-verification=n8swOwh9fqlZVcaa
  • sendinblue-code:319080459d9993e2fa6ba05f98c2236b
  • MS=ms56900343
  • SPFv=spf1 mx a include:spf.protection.outlook.com ip4:212.146.247.125 include:spf.sendinblue.com ~all
  • DMARCv=DMARC1; p=none; rua=mailto:[email protected];
  • qY8b6Cu+Dj0AovhdhdhYeZ+44bAX6GMvEG8uAc1ip4MdRrCi4sQN/5VsJmnc1EBM7/iN4//fvQgeUhbIvPPjBA==
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