blockchain.com

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
blockchain.com
Yes
โœ“ Yes
Google
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-03-25 07:16:11 UTC ยท โ†บ Refresh

MX Hostnames

  • alt4.aspmx.l.google.com
  • alt3.aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • aspmx.l.google.com

MX Priorities

  • aspmx.l.google.com: 1
  • alt3.aspmx.l.google.com: 10
  • alt4.aspmx.l.google.com: 10
  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5

A / AAAA Records

  • 104.17.172.30
  • 104.17.173.30

Mail Server IPs

  • 172.253.63.27 โ†ฉ bi-in-f27.1e100.net
  • 2607:f8b0:4004:c08::1a โ†ฉ bi-in-f26.1e100.net
  • 192.178.223.27 โ†ฉ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1a โ†ฉ yulhrs-in-f26.1e100.net
  • 173.194.76.26 โ†ฉ ws-in-f26.1e100.net
  • 2a00:1450:400c:c00::1a โ†ฉ ws-in-f26.1e100.net
  • 108.177.123.26 โ†ฉ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)
  • 172.253.116.26 โ†ฉ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1b โ†ฉ dj-in-f27.1e100.net

SOA Record

Raw SOA beth.ns.cloudflare.com dns.cloudflare.com 2399839854 10000 2400 604800 1800
Primary NS (mname)
beth.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399839854
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

beth.ns.cloudflare.com
jay.ns.cloudflare.com

SPF Record

โœ“ Strict (-all)
v=spf1 include:sendgrid.net include:_spf.google.com include:mail.zendesk.com include:_spf.sparkpostmail.com -all
๐Ÿ“Š DNS lookups: 4/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100; 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

16 records
  • SPFv=spf1 include:sendgrid.net include:_spf.google.com include:mail.zendesk.com include:_spf.sparkpostmail.com -all
  • wallet-connect-dns-verification=e082715301de4a99085914d51b7d616b1260868f6b93e47e8e8bf8108ec746c6
  • CKO=cli_qfirt6xy4yiundv3a2jpeyvhaq
  • FIO82JrXaaVmRsuJrm5yD4iim5fuarfNYYCP9bcZrL7gfRCtTzRun
  • MS=150421F564D39B22149A3F2E6E874413D0D4836F
  • MS=ms61322212
  • OSSRH-58722
  • anthropic-domain-verification-0w6gyp=zwHjPHf7RURYDef1PaQSMROtB
  • apple-domain-verification=m90cSpCL7VE0zDvo
  • atlassian-domain-verification=3Nau9JDz9R67dqvzkIEpQsriloeNPy4vI/eh5acyDnEsG255ANV5Qyed2nE0WK/o
  • docusign=2707bdc5-ce07-4b5c-85d6-622c728ede8a
  • google-site-verification=Bs2i_i9ZGs4Xo4Rjh4GHqNglIZEY7Im-Vvp4QDRfwHo
  • notion-domain-verification=lQGUrwdKWe04PuLDcRG5idcidJLOi29pJmPniJUhKMN
  • openai-domain-verification=dv-RwBr61oCEqK8toOpQTVpxuzK
  • segment-site-verification=aWKh9paGnJTlTgOFWdN1BiCiD3GTYobl
  • stripe-verification=69E3ACD21AEF8B8244BAC9464BB2856F14C4B3998D4808E5328B51940A194FB4
Full email verification for blockchain.com

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

SPF / DKIM / DMARC Get 1,000 Free Credits