crystalair.ie

Valid Email Server

Domain Overview

DNS: โœ“ 3d ago Checker: โœ“ 3d ago
crystalair.ie
Yes
โœ“ Yes
Mimecast
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-05-19 05:53:10 UTC ยท โ†บ Refresh

Add email validation to your forms โ€” free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line ยท No registration ยท See full docs & demo โ†’ ยท Customize โ†’

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 โ†ฉ de-smtp-inbound-2.mimecast.com
  • 194.104.110.22 โ†ฉ 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

โœ“ Strict (-all)
v=spf1 include:servers.mcsv.net include:de._netblocks.mimecast.com -all
๐Ÿ“Š DNS lookups: 2/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ— p=none
v=DMARC1; p=none; rua=mailto:[email protected];
โš  p=none โ€” monitoring only, no enforcement
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

โœ“ 1 found
k1._domainkey
โœ“ Public key: 216 chars (valid)
โœ“ 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
Free ยท No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts โ€” unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site ยท Customize โ†’
See demo & docs
Deep verification
Full email verification for crystalair.ie

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits