flash-coffee.com

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
flash-coffee.com
Yes
โœ“ Yes
Unknown
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-03-29 08:41:07 UTC ยท โ†บ Refresh

MX Hostnames

  • mx3.larksuite.com
  • mx2.larksuite.com
  • mx1.larksuite.com

MX Priorities

  • mx2.larksuite.com: 5
  • mx1.larksuite.com: 1
  • mx3.larksuite.com: 10

A / AAAA Records

  • 141.193.213.21 (no PTR)
  • 141.193.213.20 (no PTR)

Mail Server IPs

  • 18.139.153.173 โ†ฉ ec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com
  • 122.14.230.154 (no PTR)
  • 101.126.58.223 (no PTR)

SOA Record

Raw SOA ns-1657.awsdns-15.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1657.awsdns-15.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-68.awsdns-08.com
ns-933.awsdns-52.net
ns-1211.awsdns-23.org
ns-1657.awsdns-15.co.uk

SPF Record

โœ“ Strict (-all)
v=spf1 +include:spf.onlarksuite.com -all
๐Ÿ“Š DNS lookups: 1/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; fo=1; rua=mailto:[email protected]
~ Quarantine โ€” good protection (failing mail goes to spam)
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

โœ“ 1 found
google._domainkey
โœ“ Public key: 216 chars (valid)
โœ“ DKIM properly configured for selector: google

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

All TXT Records

9 records
  • SPFv=spf1 +include:spf.onlarksuite.com -all
  • verification-code-site-App_lark=nFHC7OZeQp9l2abJKFeq
  • zoho-verification=zb41958825.zmverify.zoho.com
  • apple-domain-verification=yq70NfhVOdgUbGUN
  • atlassian-domain-verification=zcBQQAVcr1EGhsWtlafsKVTegt3Bmd/qMZ/KsSLOnInXmikPbNn3UrDiJ85djStu
  • google-site-verification=418m0Wn05wPiWeCbAIIXmdFgNV_nVgZ1jyiaJxhG570
  • google-site-verification=NiyIxK-kG1gB8hA7_gWBbIGm45avrirIOqsQF9G8ZfY
  • google-site-verification=e-Ip1uLU17l2g7Fca6WwkMJJgeyXoLi6oWTDmr2FZ7A
  • google-site-verification=ibiY1tu7DWuVldf1aXHD7iFafCKkLA2chDPsOX_S78k
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
See demo & docs
Deep verification
Full email verification for flash-coffee.com

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

No credit card required
Get 1,000 Free Credits