grandcitytours.com

Valid Email Server
Domain Lookup › grandcitytours.com

Domain Overview

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

Checked via [email protected] · 2026-03-21 13:19:20 UTC · ↺ Refresh

MX Hostnames

  • mx2.email-hosting.net.au
  • mx1.email-hosting.net.au
  • mx4.email-hosting.net.au
  • mx3.email-hosting.net.au

MX Priorities

  • mx1.email-hosting.net.au: 10
  • mx4.email-hosting.net.au: 30
  • mx2.email-hosting.net.au: 10
  • mx3.email-hosting.net.au: 20

A / AAAA Records

  • 47.90.121.98 ↩ mail.57u.cn

Mail Server IPs

  • 103.42.110.227 ↩ in1.mxs.au
  • 103.42.110.219 ↩ in2.mxs.au
  • 112.140.176.6 ↩ in3.mxs.au

SOA Record

Raw SOA dns13.hichina.com hostmaster.hichina.com 2026010913 3600 1200 86400 600
Primary NS (mname)
dns13.hichina.com
Admin Email (rname)
hostmaster@hichina.com
Serial
2026010913
Refresh
3600s
Retry
1200s
Expire
86400s
Minimum TTL
600s

Nameservers (NS)

dns13.hichina.com
dns14.hichina.com

SPF Record

✓ Soft Fail (~all)
v=spf1 +a +mx +include:spf.email-hosting.net.au ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

1 record
  • SPFv=spf1 +a +mx +include:spf.email-hosting.net.au ~all
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