onechaintx.com

Valid Email Server
Domain Lookup › onechaintx.com

Domain Overview

DNS: ✓ 2h ago Checker: ✓ 2h ago
onechaintx.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-23 05:35:57 UTC · ↺ Refresh

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MX Hostnames

  • mx-02-eu-central-1.prod.hydra.sophos.com
  • mx-01-eu-central-1.prod.hydra.sophos.com

MX Priorities

  • mx-02-eu-central-1.prod.hydra.sophos.com: 20
  • mx-01-eu-central-1.prod.hydra.sophos.com: 10

A / AAAA Records

  • 185.23.70.117 ↩ shx814.guebs.net

Mail Server IPs

  • 18.184.137.98 ↩ ec2-18-184-137-98.eu-central-1.compute.amazonaws.com
  • 35.156.92.240 ↩ ec2-35-156-92-240.eu-central-1.compute.amazonaws.com

SOA Record

Raw SOA ns1.serviciodns.es hostmaster.serviciodns.es 2026091701 10800 3600 604800 3600
Primary NS (mname)
ns1.serviciodns.es
Admin Email (rname)
hostmaster@serviciodns.es
Serial
2026091701
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

dns2.guebs.com
dns4.guebs.com
dns3.guebs.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:185.23.70.117 include:_spf_eucentral1.prod.hydra.sophos.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

4 records
  • MS=ms34907859
  • SPFv=spf1 ip4:185.23.70.117 include:_spf_eucentral1.prod.hydra.sophos.com -all
  • sophos-domain-verification=21a9b37c17bb8b2c520af63299c9cedb574dca79
  • sophos-domain-verification=cb2199ab1c792332a70737683a1b1b275cc5bcc156763a1bc12c488566353b52
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