Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tierbefreier.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 11:44:45 UTC · ↺ Refresh
MX Hostnames
- mx2.nadir.org
- smtpin.nadir.org
MX Priorities
- mx2.nadir.org: 50
- smtpin.nadir.org: 50
A / AAAA Records
- 5.22.145.16 ↩ relay.mail-forwarder.io
- 5.22.145.121 ↩ relay.mail-forwarder.io
- 2a00:18e0:5:2:7577:4e4d:413b:f507 ↩ relay.mail-forwarder.io
- 2a00:18e0:5:3:dfe2:c743:85aa:61bc ↩ relay.mail-forwarder.io
Mail Server IPs
- 204.13.164.135 ↩ mx2.nadir.org
- 217.114.68.218 ↩ fry.nadir.org
SOA Record
Raw SOA
ns1.domaindiscount24.net tech.key-systems.net 2023091331 10800 3600 604800 3600
Primary NS (mname)
ns1.domaindiscount24.net
Admin Email (rname)
tech@key-systems.net
Serial
2023091331
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns1.domaindiscount24.net
ns3.domaindiscount24.net
ns2.domaindiscount24.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:217.114.68.218 a -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict 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
3 records- SPFv=spf1 ip4:217.114.68.218 a -all
- google-site-verification=PzI0iUbWh9tPSNsZXx9f9Kuf5uA8AAh60gvMwxIc37I
- Missing entries: BILLINGCONTACT ADMINCONTACT TECHCONTACT OWN
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