Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
larssteck.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-06 15:19:16 UTC · ↺ Refresh
MX Hostnames
- mxext3.mailbox.org
- mxext1.mailbox.org
- mxext2.mailbox.org
MX Priorities
- mxext2.mailbox.org: 10
- mxext3.mailbox.org: 20
- mxext1.mailbox.org: 10
A / AAAA Records
- 85.235.65.50 ↩ web01.steck.cc
- 2a03:4000:32:12c::1000 ↩ web01.steck.cc
Mail Server IPs
- 80.241.60.215 ↩ mx2.mailbox.org
- 2001:67c:2050:104::2:25:1 ↩ mx2.mailbox.org
- 80.241.60.216 ↩ mx3.mailbox.org
- 2001:67c:2050:104::3:25:1 ↩ mx3.mailbox.org
- 80.241.60.212 ↩ mx1.mailbox.org
- 2001:67c:2050:104::1:25:1 ↩ mx1.mailbox.org
SOA Record
Raw SOA
ns1.steck.cc hostmaster.steck.cc 2026020103 28800 7200 604800 86400
Primary NS (mname)
ns1.steck.cc
Admin Email (rname)
hostmaster@steck.cc
Serial
2026020103
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns3.steck.cc
ns1.steck.cc
ns2.steck.cc
SPF Record
✓ Soft Fail (~all)
v=spf1 include:mailbox.org a ~all
📊 DNS lookups: 2/10
~ 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
2 records- google-site-verification=Tqqc1mbpBySpIuAuk0xuOtGmFJlNvnK0JArOyWmftPQ
- SPFv=spf1 include:mailbox.org a ~all
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