twincore.de

Valid Email Server
Domain Lookup › twincore.de

Domain Overview

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

Checked via [email protected] · 2026-03-21 10:18:53 UTC · ↺ Refresh

MX Hostnames

  • mailgateway.twincore.de
  • mailgateway02.twincore.de

MX Priorities

  • mailgateway02.twincore.de: 10
  • mailgateway.twincore.de: 5

A / AAAA Records

  • 159.69.179.245 ↩ static.245.179.69.159.clients.your-server.de

Mail Server IPs

  • 194.95.75.83 (no PTR)
  • 81.14.181.115 ↩ a81-14-181-115.net-htp.de

SOA Record

Raw SOA ns1.de-nserver.de hostmaster.ns1.de-nserver.de 2026031868 14400 3600 604800 600
Primary NS (mname)
ns1.de-nserver.de
Admin Email (rname)
hostmaster@ns1.de-nserver.de
Serial
2026031868
Refresh
14400s
Retry
3600s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns2.de-nserver.de
ns1.de-nserver.de

SPF Record

✓ Strict (-all)
v=spf1 ip4:77.75.251.118 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ 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 ip4:77.75.251.118 -all
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