Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
taichi-rheinwupper.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 22:37:52 UTC · ↺ Refresh
MX Hostnames
- mailserv.regfish.com
MX Priorities
- mailserv.regfish.com: 0
A / AAAA Records
- 185.8.168.6 (no PTR)
Mail Server IPs
- 52.57.101.90 ↩ mailserv.regfish.com
SOA Record
Raw SOA
a.regfish-ns.net dns.regfish-ns.net 1726899782 28800 7200 604800 86400
Primary NS (mname)
a.regfish-ns.net
Admin Email (rname)
dns@regfish-ns.net
Serial
1726899782
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
a.regfish-ns.net
c.regfish-ns.net
b.regfish-ns.net
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +a:mailserv.regfish.com +ip4:52.57.101.90 +a:kastor.robbex.de +ip4:81.169.238.70 +a:pollux1.robbex.de +ip4:130.180.34.112/29 +ip4:176.94.235.124 +ip4:176.95.137.30 -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
1 record- SPFv=spf1 +a +mx +a:mailserv.regfish.com +ip4:52.57.101.90 +a:kastor.robbex.de +ip4:81.169.238.70 +a:pollux1.robbex.de +ip4:130.180.34.112/29 +ip4:176.94.235.124 +ip4:176.95.137.30 -all
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