guestbooks.de

Valid Email Server
Domain Lookup › guestbooks.de

Domain Overview

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

Checked via [email protected] · 2026-03-30 17:33:16 UTC · ↺ Refresh

MX Hostnames

  • mx2.teuto.net
  • mx1.teuto.net

MX Priorities

  • mx2.teuto.net: 10
  • mx1.teuto.net: 10

A / AAAA Records

  • 212.8.198.247 (no PTR)

Mail Server IPs

  • 212.8.207.204 ↩ mx2.isp.teuto.net
  • 2001:ae2:207::1:0:2 ↩ mx2.isp.teuto.net
  • 212.15.214.182 ↩ mx1.isp.teuto.net

SOA Record

Raw SOA ns1.teuto.net hostmaster.teuto.net 2026032902 28000 7200 604800 86400
Primary NS (mname)
ns1.teuto.net
Admin Email (rname)
hostmaster@teuto.net
Serial
2026032902
Refresh
28000s
Retry
7200s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns1.teuto.net
ns2.teuto.net
ns3.teuto.net

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.teuto.net ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate 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

1 record
  • SPFv=spf1 include:spf.teuto.net ~all
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