Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
it-steinberg.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-04 19:55:31 UTC · ↺ Refresh
MX Hostnames
- it-steinberg.de
- relay.rzone.de
MX Priorities
- relay.rzone.de: 100
- it-steinberg.de: 10
A / AAAA Records
- 85.214.113.96 ↩ worldseo.de
Mail Server IPs
- 81.169.145.96 ↩ relay.rzone.de
- 85.214.113.96 ↩ worldseo.de
SOA Record
Raw SOA
ns4.stratoserver.net hostmaster.strato-rz.de 2020050727 86400 7200 604800 300
Primary NS (mname)
ns4.stratoserver.net
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020050727
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns3.stratoserver.net
ns4.stratoserver.net
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ip4:85.214.113.96/22 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100;adkim=r;aspf=r;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 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 a mx ip4:85.214.113.96/22 ~all
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