Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
stw-langenfeld.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 13:31:30 UTC · ↺ Refresh
MX Hostnames
- mail.stw-langenfeld.de
MX Priorities
- mail.stw-langenfeld.de: 10
A / AAAA Records
- 185.175.196.121 (no PTR)
- 2a00:1c98:60:1160::830f:e947 (no PTR)
Mail Server IPs
- 80.246.116.3 ↩ mail.stw-langenfeld.de
SOA Record
Raw SOA
dns01.imagearts.de hostmaster.imagearts.de 1202200112 36000 18000 1209600 900
Primary NS (mname)
dns01.imagearts.de
Admin Email (rname)
hostmaster@imagearts.de
Serial
1202200112
Refresh
36000s
Retry
18000s
Expire
1209600s
Minimum TTL
900s
Nameservers (NS)
dns01.imagearts.de
dns03.imagearts.de
dns04.imagearts.de
dns02.imagearts.de
SPF Record
✓ Strict (-all)
v=spf1 mx a:mail.stw-langenfeld.de include:_spf.smartservice.de include:gipsprojekt.de include:spf.smtp.net ip4:185.175.196.147 -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 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
5 records- SPFv=spf1 mx a:mail.stw-langenfeld.de include:_spf.smartservice.de include:gipsprojekt.de include:spf.smtp.net ip4:185.175.196.147 -all
- apple-domain-verification=4cAtHElFVFCzVxfT
- brevo-code:b2901b5911591aaaca85ee187f175c40
- google-site-verification=RkDeFvF6yk68EKd0GmLnmxZ9FKUfn0055KB0XL-bFYU
- MS=F33C281617BD588AD53E4E254F41A59120ABD81C
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