coolstf.de

Valid Email Server
Domain Lookup › coolstf.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
coolstf.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-03 20:36:13 UTC · ↺ Refresh

MX Hostnames

  • smx00.udag.de
  • smx01.udag.de

MX Priorities

  • smx00.udag.de: 10
  • smx01.udag.de: 10

A / AAAA Records

  • 89.31.143.90 (no PTR)

Mail Server IPs

  • 62.146.106.50 ↩ smx00.udag.de
  • 62.146.106.51 ↩ smx01.udag.de

SOA Record

Raw SOA ns.udag.de hostmaster.united-domains.de 2024042903 10800 3600 604800 3600
Primary NS (mname)
ns.udag.de
Admin Email (rname)
hostmaster@united-domains.de
Serial
2024042903
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns.udag.net
ns.udag.org
ns.udag.de

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_smtp.udag.de ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1;p=none
⚠ p=none — monitoring only, no enforcement
📋 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

1 record
  • SPFv=spf1 include:_smtp.udag.de ~all
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