Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hzi-bonn.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 13:40:55 UTC · ↺ Refresh
MX Hostnames
- mail.hzi-bonn.de
MX Priorities
- mail.hzi-bonn.de: 10
A / AAAA Records
- 217.160.0.158 ↩ 217-160-0-158.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::2e5 ↩ 2001-08d8-100f-f000-0000-0000-0000-02e5.elastic-ssl.ui-r.com
Mail Server IPs
- 217.91.58.105 ↩ pd95b3a69.dip0.t-ipconnect.de
SOA Record
Raw SOA
ns1087.ui-dns.com hostmaster.1und1.de 2016090400 28800 7200 604800 300
Primary NS (mname)
ns1087.ui-dns.com
Admin Email (rname)
hostmaster@1und1.de
Serial
2016090400
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1087.ui-dns.org
ns1087.ui-dns.biz
ns1087.ui-dns.com
ns1087.ui-dns.de
SPF Record
✓ Soft Fail (~all)
v=spf1 mx include:mailgun.org include:_spf-eu.ionos.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; fo=1; ri=3600; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 1 found
s1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 mx include:mailgun.org include:_spf-eu.ionos.com ~all
- MS=ms81276119
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