Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
sm-systemtechnik.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-06 16:38:32 UTC · ↺ Refresh
MX Hostnames
- mx19a.antispameurope.com
- mx19c.antispameurope.com
- mx19d.antispameurope.com
- mx19b.antispameurope.com
MX Priorities
- mx19a.antispameurope.com: 10
- mx19c.antispameurope.com: 30
- mx19d.antispameurope.com: 40
- mx19b.antispameurope.com: 20
A / AAAA Records
- 217.160.0.9 ↩ 217-160-0-9.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::208 ↩ 2001-08d8-100f-f000-0000-0000-0000-0208.elastic-ssl.ui-r.com
Mail Server IPs
- 94.100.132.100 ↩ hsmx01.antispameurope.com
- 83.246.65.85 ↩ hsmx01-hz2.antispameurope.com
SOA Record
Raw SOA
ns1055.ui-dns.org hostmaster.1und1.com 2017060110 28800 7200 604800 600
Primary NS (mname)
ns1055.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060110
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1055.ui-dns.org
ns1064.ui-dns.com
ns1103.ui-dns.biz
ns1047.ui-dns.de
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf-eu.ionos.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:_spf-eu.ionos.com ~all
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