gdknot.com

Valid Email Server
Domain Lookup › gdknot.com

Domain Overview

DNS: ✓ just now Checker: ✓ just now
gdknot.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-06-01 23:43:09 UTC · ↺ Refresh

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MX Hostnames

  • mail.alternativeid.com

MX Priorities

  • mail.alternativeid.com: 10

A / AAAA Records

  • 172.67.188.103 (no PTR)
  • 104.21.33.3 (no PTR)
  • 2606:4700:3035::6815:2103 (no PTR)
  • 2606:4700:3032::ac43:bc67 (no PTR)

Mail Server IPs

  • 3.76.64.108 ↩ ec2-3-76-64-108.eu-central-1.compute.amazonaws.com
  • 18.193.232.67 ↩ ec2-18-193-232-67.eu-central-1.compute.amazonaws.com
  • 3.68.43.178 ↩ ec2-3-68-43-178.eu-central-1.compute.amazonaws.com

SOA Record

Raw SOA joel.ns.cloudflare.com dns.cloudflare.com 2405090633 10000 2400 604800 1800
Primary NS (mname)
joel.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2405090633
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

stella.ns.cloudflare.com
joel.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.smtp.com include:mailgun.org ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; pct=100; aspf=s; adkim=s; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 1 found
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: mail

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

All TXT Records

1 record
  • SPFv=spf1 include:_spf.smtp.com include:mailgun.org ~all
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