dotc.de

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-04-02 20:18:16 UTC · ↺ Refresh

MX Hostnames

  • mx03.secure-mailgate.com
  • mx04.secure-mailgate.com
  • dotc-de.mail.protection.outlook.com

MX Priorities

  • mx04.secure-mailgate.com: 10
  • dotc-de.mail.protection.outlook.com: 0
  • mx03.secure-mailgate.com: 10

A / AAAA Records

  • 185.3.235.223

Mail Server IPs

  • 46.243.88.177 ↩ node04.secure-mailgate.com
  • 46.243.88.175 ↩ node03.secure-mailgate.com
  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.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
  • 46.243.88.174
  • 46.243.88.176

SOA Record

Raw SOA cns1.alfahosting.info hostmaster\@alfahosting.de 2026033002 28800 7200 604800 10800
Primary NS (mname)
cns1.alfahosting.info
Admin Email (rname)
hostmaster\@alfahosting@de
Serial
2026033002
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
10800s

Nameservers (NS)

cns2.alfahosting.info
cns1.alfahosting.info
cns3.alfahosting.info

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

✗ 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
  • google-site-verification=JdwwU__MhB46VMDxVuAyDpBlm5GtyNAbUc9UuCMhn1I
  • MS=ms17218992
  • SPFv=spf1 include:spf.protection.outlook.com -all
Full email verification for dotc.de

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits