Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gundermann-gmbh.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 01:41:00 UTC · ↺ Refresh
MX Hostnames
- mail.gundermann-gmbh.de
MX Priorities
- mail.gundermann-gmbh.de: 10
A / AAAA Records
- 37.120.178.140 ↩ mail.gundermann-gmbh.de
Mail Server IPs
- 37.120.178.140 ↩ mail.gundermann-gmbh.de
SOA Record
Raw SOA
nsa0.schlundtech.de info.webstudiopfalz.de 2024101405 43200 7200 1209600 600
Primary NS (mname)
nsa0.schlundtech.de
Admin Email (rname)
info@webstudiopfalz.de
Serial
2024101405
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
nsb0.schlundtech.de
nsa0.schlundtech.de
nsd0.schlundtech.de
nsc0.schlundtech.de
SPF Record
✓ Strict (-all)
v=spf1 a mx:gundermann-gmbh.de ip4:37.120.178.140 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx:gundermann-gmbh.de ip4:37.120.178.140 -all
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