Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sailer-gymnasium.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 19:19:54 UTC · ↺ Refresh
MX Hostnames
- mailgate.bndlg.de
MX Priorities
- mailgate.bndlg.de: 10
A / AAAA Records
- 94.130.255.168 ↩ bndlg-hosting.bndlg.de
Mail Server IPs
- 94.130.255.165 ↩ mail02.bndlg.de
- 94.130.255.164 ↩ mail01.bndlg.de
SOA Record
Raw SOA
ns7.sextl.de admin.sailer-gymnasium.de 2024031001 10800 3600 604800 60
Primary NS (mname)
ns7.sextl.de
Admin Email (rname)
admin@sailer-gymnasium.de
Serial
2024031001
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
60s
Nameservers (NS)
ns7.sextl.de
ns6.sextl.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx a:zimt01.bndlg.de a:bndlg-hosting.bndlg.de ip4:94.130.255.168 ip4:94.130.255.162 ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
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
3 records- apple-domain-verification=yCC6VehZh2hMNuZy
- SPFv=spf1 a mx a:zimt01.bndlg.de a:bndlg-hosting.bndlg.de ip4:94.130.255.168 ip4:94.130.255.162 ~all
- google-site-verification=_OnWXhhD2VJDBCnMko2ac-bZhhuPgd8-g486K_nfJXg
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