Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
oat.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-03 21:27:19 UTC · ↺ Refresh
MX Hostnames
- mail.oat.de
MX Priorities
- mail.oat.de: 10
A / AAAA Records
- 188.40.158.113 ↩ minas-tirith.sturmlan.net
Mail Server IPs
- 213.23.196.26 ↩ mail.oat.de
SOA Record
Raw SOA
dns01-tld.t-online.de dns.telekom.de 2025092301 21600 3600 604800 86400
Primary NS (mname)
dns01-tld.t-online.de
Admin Email (rname)
dns@telekom.de
Serial
2025092301
Refresh
21600s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
dns02-tld.t-online.de
dns01-tld.t-online.de
SPF Record
✓ Strict (-all)
v=spf1 a:mail.oat.de ip4:5.158.166.218 ip4:213.23.196.26 include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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
2 records- MS=ms70085435
- SPFv=spf1 a:mail.oat.de ip4:5.158.166.218 ip4:213.23.196.26 include:spf.protection.outlook.com -all
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