Domain Overview
DNS: ✓ 8h ago
Checker: ✓ 8h ago
schmidtonline.net
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 08:08:44 UTC · ↺ Refresh
MX Hostnames
- smtp-02.tld.t-online.de
- smtp-01.tld.t-online.de
MX Priorities
- smtp-01.tld.t-online.de: 10
- smtp-02.tld.t-online.de: 10
A / AAAA Records
- 80.150.6.143 ↩ tld.t-online.de
- 2003:2:2:15:80:150:6:143 ↩ tld.t-online.de
Mail Server IPs
- 194.25.134.76 ↩ smtp-01.tld.t-online.de
- 194.25.134.12 ↩ smtp-02.tld.t-online.de
SOA Record
Raw SOA
dns01-tld.t-online.de dns.telekom.de 2026031101 21600 3600 604800 86400
Primary NS (mname)
dns01-tld.t-online.de
Admin Email (rname)
dns@telekom.de
Serial
2026031101
Refresh
21600s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
dns01-tld.t-online.de
dns02-tld.t-online.de
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.hier-im-netz.de -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
1 record- SPFv=spf1 include:_spf.hier-im-netz.de -all
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