smkusa.com

Valid Email Server
Domain Lookup › smkusa.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
smkusa.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-22 01:49:16 UTC · ↺ Refresh

MX Hostnames

  • mx2.hc391-76.ap.iphmx.com
  • mx1.hc391-76.ap.iphmx.com
  • esa.smkusa.com

MX Priorities

  • esa.smkusa.com: 10
  • mx2.hc391-76.ap.iphmx.com: 20
  • mx1.hc391-76.ap.iphmx.com: 20

A / AAAA Records

  • 198.185.159.145 (no PTR)
  • 198.49.23.144 (no PTR)
  • 198.185.159.144 (no PTR)
  • 198.49.23.145 (no PTR)

Mail Server IPs

  • 184.177.101.233 ↩ esa.smkusa.com
  • 139.138.42.246 ↩ esa1.hc391-76.ap.iphmx.com
  • 139.138.44.78 ↩ esa4.hc391-76.ap.iphmx.com
  • 139.138.43.91 ↩ esa3.hc391-76.ap.iphmx.com
  • 139.138.42.247 ↩ esa2.hc391-76.ap.iphmx.com

SOA Record

Raw SOA ns37.worldnic.com namehost.worldnic.com 126031913 10800 3600 604800 3600
Primary NS (mname)
ns37.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126031913
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns37.worldnic.com
ns38.worldnic.com

SPF Record

✓ Strict (-all)
v=spf1 a:namerica1.smkusa.com a:namerica3.smkusa.com a:esa.smkusa.com exists:%{i}.spf.hc391-76.ap.iphmx.com include:sendersrv.com include:spiral-platform.com include:sendgrid.net -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; sp=quarantine; fo=1; pct=100; adkim=s; aspf=s
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: quarantine

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

3 records
  • brevo-code:976b5fa2de5bbc7b1d2c88ad1397bbdb
  • SPFv=spf1 a:namerica1.smkusa.com a:namerica3.smkusa.com a:esa.smkusa.com exists:%{i}.spf.hc391-76.ap.iphmx.com include:sendersrv.com include:spiral-platform.com include:sendgrid.net -all
  • k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC+fXaTVwS/duc4uwnpN/bWaYqnnz+HVRyD1LCvHMGp9/QljtFmGDA3lH7yho4hMECSYTrYco53QvFnJXeIpoqkfqvIFFsHQLDfpOW4WfBfnTXatYYKQCk5NtMWurMMc73OVnEH2Zq4gIDxpfJlA2Gjuy4JiEQUELbOMJ1iULFhGwIDAQAB
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