Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
stb-usinger.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 21:25:32 UTC · ↺ Refresh
MX Hostnames
- po-box2.anuk.net
MX Priorities
- po-box2.anuk.net: 10
A / AAAA Records
- 217.160.0.109 ↩ 217-160-0-109.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::268 ↩ 2001-08d8-100f-f000-0000-0000-0000-0268.elastic-ssl.ui-r.com
Mail Server IPs
- 37.157.253.142 ↩ po-box2.anuk.net
SOA Record
Raw SOA
ns1049.ui-dns.de hostmaster.kundenserver.de 2016042833 28800 7200 604800 300
Primary NS (mname)
ns1049.ui-dns.de
Admin Email (rname)
hostmaster@kundenserver.de
Serial
2016042833
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1049.ui-dns.com
ns1049.ui-dns.de
ns1049.ui-dns.biz
ns1049.ui-dns.org
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.perfora.net include:_spf-eu.ionos.com include:_spf.kundenserver.de ip4:37.157.253.128/28 ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;sp=none;ruf=mailto:[email protected];aspf=r;adkim=r
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:_spf.perfora.net include:_spf-eu.ionos.com include:_spf.kundenserver.de ip4:37.157.253.128/28 ~all
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