1buch.de

Valid Email Server
Domain Lookup › 1buch.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
1buch.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-28 03:23:01 UTC · ↺ Refresh

MX Hostnames

  • mail.1buch.ch
  • live.1buch.de

MX Priorities

  • live.1buch.de: 5
  • mail.1buch.ch: 10

A / AAAA Records

  • 5.22.145.121 ↩ relay.mail-forwarder.io
  • 5.22.145.16 ↩ 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

  • 81.169.211.6 ↩ live.1buch.de

SOA Record

Raw SOA ns1.domaindiscount24.net tech.key-systems.net 2023050100 10800 3600 604800 28800
Primary NS (mname)
ns1.domaindiscount24.net
Admin Email (rname)
tech@key-systems.net
Serial
2023050100
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
28800s

Nameservers (NS)

ns1.domaindiscount24.net
ns2.domaindiscount24.net
ns3.domaindiscount24.net

SPF Record

✓ Strict (-all)
v=spf1 a:live.1buch.de include:mail.zendesk.com a:mail1.zendesk.com a:mail2.zendesk.com a:mail3.zendesk.com a:mail4.zendesk.com ip4:81.169.211.6 -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No 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=ban7O2GduQheaLQvdd78hfYGfs55vWCJFKIRWP0kf5I
  • SPFv=spf1 a:live.1buch.de include:mail.zendesk.com a:mail1.zendesk.com a:mail2.zendesk.com a:mail3.zendesk.com a:mail4.zendesk.com ip4:81.169.211.6 -all
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