hc.com

Valid Email Server
Domain Lookup › hc.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
hc.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-14 02:33:54 UTC · ↺ Refresh

MX Hostnames

  • harpercollins.com

MX Priorities

  • harpercollins.com: 10

A / AAAA Records

  • 162.159.129.71 (no PTR)

Mail Server IPs

  • 23.227.38.65 ↩ myshopify.com

SOA Record

Raw SOA ns1.markmonitor.com hostmaster.markmonitor.com 2026031201 86400 3600 2592000 172800
Primary NS (mname)
ns1.markmonitor.com
Admin Email (rname)
hostmaster@markmonitor.com
Serial
2026031201
Refresh
86400s
Retry
3600s
Expire
2592000s
Minimum TTL
172800s

Nameservers (NS)

ns3.markmonitor.com
ns1.markmonitor.com
ns2.markmonitor.com
ns4.markmonitor.com
ns6.markmonitor.com
ns7.markmonitor.com
ns5.markmonitor.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.mandrillapp.com ?all
📊 DNS lookups: 1/10
? Neutral (?all) — no enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ 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

5 records
  • ca3-9dd8b59a582c42f792d357804514fe44
  • SPFv=spf1 include:spf.mandrillapp.com ?all
  • 675938531-14405554
  • ca3-0319137fb2b240debbf9f431994126d2
  • ca3-197acf6271964ccbb28373e0d9f86c35
Full email verification for hc.com

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