blockchains.com

Valid Email Server
Domain Lookup › blockchains.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
blockchains.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-20 23:19:40 UTC · ↺ Refresh

MX Hostnames

  • d129758b.ess.barracudanetworks.com
  • d129758a.ess.barracudanetworks.com

MX Priorities

No priority data.

A / AAAA Records

  • 198.185.159.145
  • 198.49.23.145
  • 198.185.159.144
  • 198.49.23.144

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

cash.ns.cloudflare.com
olga.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a:dnsus1.accellion.com include:spf.ess.barracudanetworks.com include:e2ma.net include:_spf.salesforce.com include:spf.myconnectwise.net include:spf.protection.outlook.com include:amazonses.com ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1

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

All TXT Records

13 records
  • google-site-verification=C1d0AMxrFfEzAdTNv9Xp2ayyvbnfgcg_DnOUcauKTG0
  • have-i-been-pwned-verification=dweb_cra58lxybkwlkwuw8no0wrt0
  • https://issues.sonatype.org/browse/OSSRH-60213
  • miro-verification=af040b4871c046874bd7d527e052f0990bec119f
  • twilio-domain-verification=d1d434da75a9759a3504b30e3753d384
  • SPFv=spf1 a:dnsus1.accellion.com include:spf.ess.barracudanetworks.com include:e2ma.net include:_spf.salesforce.com include:spf.myconnectwise.net include:spf.protection.outlook.com include:amazonses.com ~all
  • F406A57E7E
  • MS=ms49132278
  • ZOOM_verify_qg6oZ3YPpbrSUjTtoFX7Gh
  • apple-domain-verification=lvcHdx7VXRgCSrJx
  • atlassian-domain-verification=MMryn3j/taHoKbhDOAveJT/GGQZH7jES0RrA72RWOKbBa1mAlhkx3lrnk7cNALR2
  • e2ma-verification=baveb
  • google-site-verification=8Ol_mq3PgPEqa1M5AR35fxi2Hmk5fwDPs0Q8fpodl5E
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