coinflip.tech

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
coinflip.tech
Yes
โœ“ Yes
Unknown
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-03-19 13:01:33 UTC ยท โ†บ Refresh

MX Hostnames

  • mailstream-east.mxrecord.io
  • mailstream-central.mxrecord.mx
  • mailstream-west.mxrecord.io

MX Priorities

  • mailstream-west.mxrecord.io: 20
  • mailstream-central.mxrecord.mx: 10
  • mailstream-east.mxrecord.io: 20

A / AAAA Records

  • 104.18.20.250 (no PTR)
  • 104.18.21.250 (no PTR)
  • 2606:4700::6812:14fa (no PTR)
  • 2606:4700::6812:15fa (no PTR)

Mail Server IPs

  • 172.65.220.210 (no PTR)
  • 172.65.64.78 (no PTR)
  • 172.65.213.128 (no PTR)

SOA Record

Raw SOA alexandra.ns.cloudflare.com dns.cloudflare.com 2399266274 10000 2400 604800 1800
Primary NS (mname)
alexandra.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399266274
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

garret.ns.cloudflare.com
alexandra.ns.cloudflare.com

SPF Record

โœ“ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:mailgun.org include:amazonses.com include:zcsend.net include:20327482.spf03.hubspotemail.net -all
๐Ÿ“Š DNS lookups: 6/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ— p=none
v=DMARC1; p=none; rua=mailto:[email protected],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],mailto:[email protected]

DKIM Selectors

โœ“ 3 found
google._domainkey
selector1._domainkey
selector2._domainkey
โœ“ Public key: 237 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

34 records
  • ca3-9c4bbdd72ef441a29e1db640da077986
  • anthropic-domain-verification-0ed3n9=k92obXVkNXzSbZMgWRnKGHXHG
  • zoho-verification=zb30145014.zmverify.zoho.com
  • google-site-verification=9k43LWeu7KsHQVsweZbfe8E20BniQ2nmdqPOpKVwbAU
  • mgverify=2cdca8c5bb6c4b834e53175de331dcad13fab93bebf6929e2bdc7053cb3dbe73
  • MS=ms51704718
  • onetrust-domain-verification=5620bad64c4e4afab7b241ca587be7a8
  • zapier-domain-verification-challenge=a525ec14-d1f6-4486-bdec-293a4b38d145
  • DMARCv=DMARC1; p=none; rua=mailto:[email protected]
  • 1password-site-verification=VID3DMHAGBG47JJRKQMVZAMGGM
  • teamviewer-sso-verification=c4e18c58c2454db388474a99a5d4cc06
  • ybvq54tnj9pwxxq19wcf6521b1wcffp4
  • slack-domain-verification=4nOflAtPvuZl3bG7Ua54gc3C8wd07DrteyS9rsfV
  • include:_spf.psm.knowbe4.com
  • stytch_verification_dns=hulking-lettuce-8957
  • SPFv=spf1 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:mailgun.org include:amazonses.com include:zcsend.net include:20327482.spf03.hubspotemail.net -all
  • atlassian-domain-verification=AaaGayeZPEPNfeY0weIk5ChYeVFEoh7UQSno43jVbj353XOGr0dDuldDC45x6oHD
  • ahrefs-site-verification_039148d6c2658fb7484207c62537f0a0c8c8b79bb4f09dac1bcc5111d044e101
  • zapier-domain-verification-challenge=ae2386dd-b5f8-4e14-bc95-6fc047e210e4
  • openai-domain-verification=dv-DQwJCkZ0Gk3CFgkycU81GDTE
  • atlassian-sending-domain-verification=cd712202-2aca-4ed2-a870-5fdb4042f854
  • twilio-domain-verification=2427b0295b8082d8ce39fe947c27aae2
  • 5E4C7ACC95
  • google-site-verification=0TKOzdVeksaf2pc-6Q8PGBseZ57MBfq8SZk-n1R56cw
  • MS=08D6601A20494D9D17385F2F64A51A5F472FF055
  • google-site-verification=K3CiWXQIyvUd-DRS3ADMurLFsH12zRai6apfaFeR44s
  • google-site-verification=1Km3GfeTiGIFOfldb3U8x3pTITyeOI695-qNmmT60b8
  • apple-domain-verification=I-FzUy725QhsNijFDBEpwHt64uLVFKjVPYY1gfbbc8Y
  • docusign=1cce26ab-beab-4b6e-8dd5-05b43b56011b
  • 4RebNtVkkStOp6vVkeJWiJW9
  • google-site-verification=qCtNhVtS7JGpal55gwpw2Y2kCHju7Tr5c5yMTA_KvmA
  • zoho-verification=zb62714232.zmverify.zoho.com
  • uber-domain-verification=81e3f884-1ba7-49cc-af82-5bd07fc97342
  • apple-domain-verification=N29IqtVoDvXq2aKq
Full email verification for coinflip.tech

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits