Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
astec.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 22:47:18 UTC · ↺ Refresh
MX Hostnames
- w01c99bf.kasserver.com
MX Priorities
- w01c99bf.kasserver.com: 10
A / AAAA Records
- 109.106.18.179 ↩ 109-106-18-179.static.xelon.ch
Mail Server IPs
- 85.13.143.69 ↩ dd23716.kasserver.com
SOA Record
Raw SOA
ns.dsinet.eu hostmaster.dsi.net 2024112113 28800 3600 604800 600
Primary NS (mname)
ns.dsinet.eu
Admin Email (rname)
hostmaster@dsi.net
Serial
2024112113
Refresh
28800s
Retry
3600s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns.dsinet.eu
ns2.dsinet.de
ns.dsinet.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:94.135.168.106 mx -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; sp=quarantine; fo=1; pct=10; ri=604800; adkim=r; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
⚠ Policy applies to 10% of failing messages only
DKIM Selectors
✓ 1 found
selector1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- facebook-domain-verification=887l5kgm9wpn0uh8p4j8raele9sz6v
- SPFv=spf1 ip4:94.135.168.106 mx -all
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