Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
steinbach.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 12:53:57 UTC · ↺ Refresh
MX Hostnames
- mx23c.antispameurope.com
- mx23d.antispameurope.com
- mx23a.antispameurope.com
- mx23b.antispameurope.com
MX Priorities
- mx23b.antispameurope.com: 20
- mx23d.antispameurope.com: 40
- mx23c.antispameurope.com: 30
- mx23a.antispameurope.com: 10
A / AAAA Records
- 176.52.244.25 (no PTR)
Mail Server IPs
- 83.246.65.100 ↩ nlb01-hz2.hornetsecurity.com.65.246.83.in-addr.arpa
- 83.246.65.85 ↩ hsmx01-hz2.antispameurope.com
- 94.100.134.10 ↩ hsmx06.antispameurope.com
- 94.100.132.100 ↩ hsmx01.antispameurope.com
SOA Record
Raw SOA
ns1088.ui-dns.com hostmaster.1und1.de 2017080623 28800 7200 604800 300
Primary NS (mname)
ns1088.ui-dns.com
Admin Email (rname)
hostmaster@1und1.de
Serial
2017080623
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1088.ui-dns.de
ns1088.ui-dns.biz
ns1088.ui-dns.org
ns1088.ui-dns.com
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:193.158.30.152/29 ip4:84.179.177.237/32 include:agenturserver.de include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
3 records- SPFv=spf1 a mx ip4:193.158.30.152/29 ip4:84.179.177.237/32 include:agenturserver.de include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
- MS=ms67242509
- apple-domain-verification=BQCBXazJjvvVZbLV
Full email verification for steinbach.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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