Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tso.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 13:09:55 UTC · ↺ Refresh
MX Hostnames
- exchange.tso.de
MX Priorities
- exchange.tso.de: 10
A / AAAA Records
- 178.16.56.198 (no PTR)
Mail Server IPs
- 212.95.122.27 ↩ exchange.tso.de
SOA Record
Raw SOA
dns103.ovh.net tech.ovh.net 2026030300 86400 3600 3600000 300
Primary NS (mname)
dns103.ovh.net
Admin Email (rname)
tech@ovh.net
Serial
2026030300
Refresh
86400s
Retry
3600s
Expire
3600000s
Minimum TTL
300s
Nameservers (NS)
dns103.ovh.net
ns103.ovh.net
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf.nl2go.com include:servers.mcsv.net include:spf.protection.outlook.com include:agenturserver.de -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- SPFv=spf1 mx include:spf.nl2go.com include:servers.mcsv.net include:spf.protection.outlook.com include:agenturserver.de -all
- atqkkm26p17kbkihg4b6nr689h
- d365mktkey=4fdx1gl8gy0l5zbktro9y05js
- apple-domain-verification=OZZGbEmtTZOumqEZ
Full email verification for tso.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits