grau-elektronik.de

Valid Email Server
Domain Lookup › grau-elektronik.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
grau-elektronik.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-03 08:12:34 UTC · ↺ Refresh

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MX Hostnames

  • mailhub02.skytron.de
  • mailhub05.skytron.de
  • mailhub04.skytron.de
  • mailhub03.skytron.de
  • mailhub01.skytron.de

MX Priorities

  • mailhub04.skytron.de: 14
  • mailhub05.skytron.de: 15
  • mailhub02.skytron.de: 12
  • mailhub03.skytron.de: 13
  • mailhub01.skytron.de: 11

A / AAAA Records

  • 216.24.57.1 (no PTR)

Mail Server IPs

  • 213.146.243.134 ↩ mailhub04.skytron.de
  • 213.146.243.135 ↩ mailhub05.skytron.de
  • 213.146.243.132 ↩ mailhub02.skytron.de
  • 213.146.243.133 ↩ mailhub03.skytron.de
  • 213.146.230.9 ↩ mailhub01.skytron.de

SOA Record

Raw SOA ns1067.ui-dns.biz hostmaster.schlund.de 2017042575 28800 7200 604800 300
Primary NS (mname)
ns1067.ui-dns.biz
Admin Email (rname)
hostmaster@schlund.de
Serial
2017042575
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1067.ui-dns.com
ns1067.ui-dns.biz
ns1067.ui-dns.de
ns1067.ui-dns.org

SPF Record

✓ Soft Fail (~all)
v=spf1 mx include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1;p=none;sp=none;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;aspf=s;adkim=s;fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._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
  • SPFv=spf1 mx include:spf.protection.outlook.com ~all
  • MS=ms88234645
  • yandex-verification: ee2af5898b7c9c7e
  • google-site-verification=lNMupKfkff8wLTdyGC0wbRkgI6pdO5ZeBYa6O7jXywU
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