o2mail.de

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
o2mail.de
Yes
โœ“ Yes
Unknown
No
No
โš  Yes
No
No
Did you mean: [email protected]

Checked via [email protected] ยท 2026-03-30 04:14:43 UTC ยท โ†บ Refresh

MX Hostnames

  • mx3c52.megamailservers.eu
  • mx1c52.megamailservers.eu
  • mx2c52.megamailservers.eu
  • mx4c52.megamailservers.eu

MX Priorities

  • mx1c52.megamailservers.eu: 10
  • mx4c52.megamailservers.eu: 120
  • mx3c52.megamailservers.eu: 110
  • mx2c52.megamailservers.eu: 100

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 91.136.8.194 โ†ฉ mx1c52.megamailservers.eu
  • 91.136.8.197 โ†ฉ mx4c52.megamailservers.eu
  • 91.136.8.196 โ†ฉ mx3c52.megamailservers.eu
  • 91.136.8.195 โ†ฉ mx2c52.megamailservers.eu

SOA Record

Raw SOA ns1.o2online.de hostmaster.o2online.de 2026031900 21600 3600 604800 86400
Primary NS (mname)
ns1.o2online.de
Admin Email (rname)
hostmaster@o2online.de
Serial
2026031900
Refresh
21600s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns2.o2online.de
ns3.o2online.de
ns1.o2online.de

SPF Record

โœ“ Strict (-all)
v=spf1 include:spfc50.megamailservers.eu -all
๐Ÿ“Š DNS lookups: 1/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ— Missing

No DMARC record โ€” emails cannot be rejected on auth failure.

DKIM Selectors

โœ— None detected

No DKIM records found for common selectors โ€” 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

1 record
  • SPFv=spf1 include:spfc50.megamailservers.eu -all
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