crystalair.ie

Valid Email Server
Domain Lookup › crystalair.ie

Domain Overview

DNS: ✓ 3d ago Checker: ✓ 3d ago
crystalair.ie
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-19 05:53:10 UTC · ↺ Refresh

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MX Hostnames

  • de-smtp-inbound-1.mimecast.com
  • de-smtp-inbound-2.mimecast.com

MX Priorities

  • de-smtp-inbound-2.mimecast.com: 10
  • de-smtp-inbound-1.mimecast.com: 10

A / AAAA Records

  • 172.67.154.13 (no PTR)
  • 104.21.4.63 (no PTR)
  • 2606:4700:3037::6815:43f (no PTR)
  • 2606:4700:3030::ac43:9a0d (no PTR)

Mail Server IPs

  • 194.104.108.22 ↩ de-smtp-inbound-2.mimecast.com
  • 194.104.110.22 ↩ de-smtp-inbound-2.mimecast.com

SOA Record

Raw SOA buck.ns.cloudflare.com dns.cloudflare.com 2404326337 10000 2400 604800 1800
Primary NS (mname)
buck.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2404326337
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

buck.ns.cloudflare.com
kim.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:servers.mcsv.net include:de._netblocks.mimecast.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 1 found
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: k1

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

All TXT Records

2 records
  • SPFv=spf1 include:servers.mcsv.net include:de._netblocks.mimecast.com -all
  • dcjn97kd86klnkbmi3pppagcdb
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