Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
zhong-xing.com
Yes
โ Yes
Unknown
No
No
โ Yes
No
No
Checked via [email protected]
ยท 2026-03-20 03:12:09 UTC ยท โบ Refresh
MX Hostnames
- mx1.zmail300.cn
- mx.zmail300.cn
MX Priorities
- mx.zmail300.cn: 5
- mx1.zmail300.cn: 50
A / AAAA Records
- 120.24.144.25 (no PTR)
Mail Server IPs
- 101.237.133.34 โฉ outhb2.global-mail.cn
- 117.50.175.134 โฉ 51xgm.com
SOA Record
Raw SOA
ns11.xincache.com ns12.xincache.com 1770024571 3600 180 1209600 180
Primary NS (mname)
ns11.xincache.com
Admin Email (rname)
ns12@xincache.com
Serial
1770024571
Refresh
3600s
Retry
180s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns11.xincache.com
ns12.xincache.com
SPF Record
โ Strict (-all)
v=spf1 include:spfv.zmail300.cn -all
๐ DNS lookups: 1/10
โ Hard fail (-all) โ strict enforcement
DMARC Record
โ MissingNo DMARC record โ emails cannot be rejected on auth failure.
DKIM Selectors
โ None detectedNo DKIM records found for common selectors โ 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 include:spfv.zmail300.cn -all
Free ยท No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts โ unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for zhong-xing.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits