Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
syntax-institut.de
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 21:32:01 UTC · ↺ Refresh
MX Hostnames
- aspmx.l.google.com
MX Priorities
- aspmx.l.google.com: 10
A / AAAA Records
- 216.150.1.1 (no PTR)
Mail Server IPs
- 142.251.163.26 ↩ wv-in-f26.1e100.net
- 2607:f8b0:4004:c06::1a ↩ bg-in-f26.1e100.net
SOA Record
Raw SOA
shades10.rzone.de hostmaster.strato-rz.de 2021082204 86400 7200 604800 300
Primary NS (mname)
shades10.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2021082204
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
docks02.rzone.de
shades10.rzone.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:25085507.spf02.hubspotemail.net include:_spf.google.com include:spf.protection.outlook.com ?all
📊 DNS lookups: 5/10
? Neutral (?all) — no enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- MS=ms32342339
- facebook-domain-verification=9gjxdgn73bjee4uulcn7anknnn6gc7
- google-site-verification=PuaJfwmvoKSeMEXYoki687dz81KD9gzG95mRU3DjEqc
- google-site-verification=S7ritd99uTQZh-yWXcBuUvJCYJVswRvou0w3CQhqIwA
- SPFv=spf1 a mx include:25085507.spf02.hubspotemail.net include:_spf.google.com include:spf.protection.outlook.com ?all
Full email verification for syntax-institut.de
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