Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
arzw.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-04 20:26:19 UTC · ↺ Refresh
MX Hostnames
- mail.arzw.de
- mail.arzw.de
MX Priorities
- mail.arzw.de: 10
- mail.arzw.de: 20
A / AAAA Records
- 85.13.153.229 ↩ dd29116.kasserver.com
Mail Server IPs
- 80.153.237.63 ↩ mail.arzw.de
SOA Record
Raw SOA
ns5.kasserver.com hostmaster.kasserver.com 2601212118 28800 7200 1209600 7200
Primary NS (mname)
ns5.kasserver.com
Admin Email (rname)
hostmaster@kasserver.com
Serial
2601212118
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
7200s
Nameservers (NS)
ns6.kasserver.com
ns5.name-server-kas.de
ns3.ai-dns.de
ns5.kasserver.com
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:80.153.237.63 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
1 record- SPFv=spf1 a mx ip4:80.153.237.63 -all
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