nextbike.de

Valid Email Server
Domain Lookup › nextbike.de

Domain Overview

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

Checked via [email protected] · 2026-03-21 11:31:25 UTC · ↺ Refresh

MX Hostnames

  • mail3.nextbike.net
  • mail.nextbike.net
  • mail4.nextbike.net
  • mail2.nextbike.net

MX Priorities

  • mail4.nextbike.net: 110
  • mail3.nextbike.net: 100
  • mail.nextbike.net: 10
  • mail2.nextbike.net: 20

A / AAAA Records

  • 157.97.108.157 ↩ bintan.pluspol-networks.de

Mail Server IPs

  • 87.230.125.137 ↩ mail.nextbike.net
  • 87.230.125.136 ↩ mail2.nextbike.net

SOA Record

Raw SOA a.ns14.net sysadmins.nextbike.net 2025111801 43200 7200 1209600 86400
Primary NS (mname)
a.ns14.net
Admin Email (rname)
sysadmins@nextbike.net
Serial
2025111801
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

d.ns14.net
b.ns14.net
c.ns14.net
a.ns14.net

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.nextbike.net include:_spf.pluspol-networks.de include:mail.zendesk.com include:_spf.google.com include:spf.crsend.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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.nextbike.net include:_spf.pluspol-networks.de include:mail.zendesk.com include:_spf.google.com include:spf.crsend.com ~all
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