Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
o2mail.de
Yes
โ Yes
Unknown
No
No
โ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
ยท 2026-03-30 04:14:43 UTC ยท โบ 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 โฉ mx1c52.megamailservers.eu
- 91.136.8.197 โฉ mx4c52.megamailservers.eu
- 91.136.8.196 โฉ mx3c52.megamailservers.eu
- 91.136.8.195 โฉ 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
โ Strict (-all)
v=spf1 include:spfc50.megamailservers.eu -all
๐ DNS lookups: 1/10
โ Hard fail (-all) โ strict enforcement
DMARC Record
โ MissingNo DMARC record โ emails cannot be rejected on auth failure.
DKIM Selectors
โ None detectedNo 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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