Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
vierbaum.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 22:02:45 UTC · ↺ Refresh
MX Hostnames
- mx23a.antispameurope.com
- mx23c.antispameurope.com
- mx23b.antispameurope.com
- mx23d.antispameurope.com
MX Priorities
- mx23a.antispameurope.com: 10
- mx23d.antispameurope.com: 40
- mx23b.antispameurope.com: 20
- mx23c.antispameurope.com: 30
A / AAAA Records
- 217.160.0.187 ↩ 217-160-0-187.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::23e ↩ 2001-08d8-100f-f000-0000-0000-0000-023e.elastic-ssl.ui-r.com
Mail Server IPs
- 94.100.132.100 ↩ hsmx01.antispameurope.com
- 83.246.65.85 ↩ hsmx01-hz2.antispameurope.com
- 83.246.65.100 ↩ nlb01-hz2.hornetsecurity.com.65.246.83.in-addr.arpa
- 94.100.134.10 ↩ hsmx06.antispameurope.com
SOA Record
Raw SOA
ns1100.ui-dns.org hostmaster.1und1.de 2016110437 28800 7200 604800 300
Primary NS (mname)
ns1100.ui-dns.org
Admin Email (rname)
hostmaster@1und1.de
Serial
2016110437
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1100.ui-dns.com
ns1100.ui-dns.org
ns1100.ui-dns.de
ns1100.ui-dns.biz
SPF Record
✓ Strict (-all)
v=spf1 a:k55511.coveto.de include:antispameurope.com include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ 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
2 records- MS=ms13157686
- SPFv=spf1 a:k55511.coveto.de include:antispameurope.com include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
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