Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gesim.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-24 15:34:28 UTC · ↺ Refresh
MX Hostnames
- mail2.light-speed.de
- mail.gesim.de
MX Priorities
- mail.gesim.de: 10
- mail2.light-speed.de: 20
A / AAAA Records
- 85.214.83.151 ↩ mail2.light-speed.de
- 2a01:238:4275:4d00:b851:6489:fb18:f738 ↩ mail2.light-speed.de
Mail Server IPs
- 195.185.137.134 ↩ gw.gesim.de
- 85.214.83.151 ↩ mail2.light-speed.de
- 2a01:238:4275:4d00:b851:6489:fb18:f738 ↩ mail2.light-speed.de
SOA Record
Raw SOA
ns.light-speed.de info.light-speed.de 2025062800 21600 2700 1209600 3600
Primary NS (mname)
ns.light-speed.de
Admin Email (rname)
info@light-speed.de
Serial
2025062800
Refresh
21600s
Retry
2700s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns2.light-speed.de
ns.light-speed.de
SPF Record
✓ Strict (-all)
v=spf1 mx -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- google-site-verification=AjKJoJR_GDpVI3V1qJroiFDaeHsPM4rJftzOq7vL7x4
- MS=276016CA1F651F5B1B2DDF29D9B475354B60E641
- MS=ms14785018
- SPFv=spf1 mx -all
Full email verification for gesim.de
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