Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
schuler-hydroforming.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 08:26:58 UTC · ↺ Refresh
MX Hostnames
- mgate01.schulergroup.com
- mgate02.schulergroup.com
MX Priorities
- mgate01.schulergroup.com: 0
- mgate02.schulergroup.com: 0
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 212.87.143.250 ↩ mgate01.schulergroup.com
- 193.28.217.66 ↩ mgate02.schulergroup.com
SOA Record
Raw SOA
ns1.schuler-isp.net tammer.schuler-hydroforming.de 2025121702 43200 3600 1814400 3600
Primary NS (mname)
ns1.schuler-isp.net
Admin Email (rname)
tammer@schuler-hydroforming.de
Serial
2025121702
Refresh
43200s
Retry
3600s
Expire
1814400s
Minimum TTL
3600s
Nameservers (NS)
ns0180.secondary.cloudflare.com
ns0017.secondary.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 mx include:_spf1.schulergroup.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- v=spf2.0/mfrom,pra mx include:_sidf1.schulergroup.com -all
- SPFv=spf1 mx include:_spf1.schulergroup.com -all
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