polymer-service.de

Disposable Domain
Domain Lookup › polymer-service.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
polymer-service.de
Disposable
✓ Yes
Unknown
⚠ Yes
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 13:54:09 UTC · ↺ Refresh

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MX Hostnames

  • mx-mibc-fr-03.mailinblack.com

MX Priorities

  • mx-mibc-fr-03.mailinblack.com: 10

A / AAAA Records

  • 81.169.145.165 ↩ wa5.rzone.de
  • 2a01:238:20a:202:1165:: ↩ wa5.rzone.de

Mail Server IPs

  • 40.89.154.15 (no PTR)

SOA Record

Raw SOA docks11.rzone.de hostmaster.strato-rz.de 2020051381 86400 7200 604800 300
Primary NS (mname)
docks11.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020051381
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

shades04.rzone.de
docks11.rzone.de

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:217.110.21.36/32 ip4:93.90.135.176/32 include:spf.protection.outlook.com include:spf.mailinblack.com include:_spf.cmail.ondemand.com include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 3 found
selector1._domainkey
selector2._domainkey
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

4 records
  • MS=ms77788833
  • SPFv=spf1 a mx ip4:217.110.21.36/32 ip4:93.90.135.176/32 include:spf.protection.outlook.com include:spf.mailinblack.com include:_spf.cmail.ondemand.com include:spf-de.emailsignatures365.com -all
  • knowbe4-site-verification=42a34719b88d2bb3dd74f6846d355e89
  • google-site-verification=mwIkKZJGAq8nXZvXuqw9WWwbDpBKEhjoveAl3gjiXi0
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