Domain Overview
DNS: ✓ just now
Checker: ✓ just now
augenarzt-karlsruhe.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-06-01 21:42:33 UTC · ↺ Refresh
MX Hostnames
- mx02.tcrserver.de
- mx01.tcrserver.de
MX Priorities
- mx01.tcrserver.de: 10
- mx02.tcrserver.de: 10
A / AAAA Records
- 144.76.114.137 ↩ s1.tcrserver.de
- 2a01:4f8:192:6488::2 ↩ s1.tcrserver.de
Mail Server IPs
- 162.55.147.242 ↩ mx01.tcrserver.de
- 2a01:4f8:11a:1e00:105::242 ↩ mx01.tcrserver.de
- 162.55.147.243 ↩ mx02.tcrserver.de
- 2a01:4f8:11a:1e00:105::243 ↩ mx02.tcrserver.de
SOA Record
Raw SOA
ns0.tcrserver.net dns.tcrserver.de 2026010311 86400 7200 1209600 3600
Primary NS (mname)
ns0.tcrserver.net
Admin Email (rname)
dns@tcrserver.de
Serial
2026010311
Refresh
86400s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns2.tcrserver.net
ns0.tcrserver.net
ns1.tcrserver.net
ns3.tcrserver.net
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:_spf.tcrserver.de ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx include:_spf.tcrserver.de ~all
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