tandem-m.de

Valid Email Server
Domain Lookup › tandem-m.de

Domain Overview

DNS: ✓ just now Checker: ✓ just now
tandem-m.de
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-11-11 14:01:04 UTC · ↺ Refresh

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MX Hostnames

  • smtp.google.com

MX Priorities

  • smtp.google.com: 10

A / AAAA Records

  • 88.99.215.157 ↩ static.157.215.99.88.clients.your-server.de

Mail Server IPs

  • 64.233.180.27 ↩ pe-in-f27.1e100.net
  • 142.251.163.26 ↩ wv-in-f26.1e100.net
  • 142.251.179.26 ↩ pd-in-f26.1e100.net
  • 142.251.179.27 ↩ pd-in-f27.1e100.net
  • 64.233.180.26 ↩ on-in-f26.1e100.net
  • 2607:f8b0:4004:c1f::1a ↩ pd-in-f26.1e100.net
  • 2607:f8b0:4004:c21::1a ↩ pe-in-f26.1e100.net
  • 2607:f8b0:4004:c21::1b ↩ pe-in-f27.1e100.net
  • 2607:f8b0:4004:c1f::1b ↩ pd-in-f27.1e100.net

SOA Record

Raw SOA shades15.rzone.de hostmaster.strato-rz.de 2020050828 86400 7200 604800 300
Primary NS (mname)
shades15.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020050828
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

shades15.rzone.de
docks09.rzone.de

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

3 records
  • SPFv=spf1 include:_spf.google.com ~all
  • facebook-domain-verification=vsvr5si020atjju5t2zn3q1ba4x1j2
  • google-site-verification=JFQsk2Ij30DpdJYguGPtPmUFJ4C5HGyxCH_PAV58NWE
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