dns
.pizza
Tools
Monitors
Pricing
Learn
Research
Quick search
⌘K
Monitor a site
Sign In
Lookup
DNS.pizza
DNS Report
21cn.com
7 records across the types we query · 1859ms · 2026-07-21 19:23 UTC · dns.pizza/lookup/21cn.com
DNS Lookup
21cn.com
Lookup
21cn.com
1859ms
2026-07-21 19:23 UTC
7 records
Registrar:
Hosting:
More tools:
Domain Report
WHOIS
Propagation
Security
DNSSEC
Email Auth
Deliverability
Speed Test
Blacklist
Threats
Download
Visit Site
Monitor
DNS Records Assistant
· 21cn.com
Ask anything about these results — or pick a starter question below.
Explain what each record type does
Anything unusual or misconfigured?
How is this domain's email set up?
A
IPv4 Addresses
1 record
Copy
114.217.37.13
AAAA
IPv6 Addresses
1 record
Copy
240e:980:8100::72d9:250d
MX
Mail Servers
1 record
Copy
mta.21cn.com
Prio 10
NS
Name Servers
2 records
Copy
vip3.alidns.com
alidns.com stats
vip4.alidns.com
alidns.com stats
TXT
Text Records
1 record
Copy
v=spf1 include:mail-spf.21cn.com include:mail01-spf.21cn.com include:mail02-spf.21cn.com ip4:52.8.52.154 ip4:52.8.239.192 ip4:52.74.103.30 ip4:52.74.147.196 -all
SOA
Start of Authority
1 record
Copy
Primary NS
vip3.alidns.com
Hostmaster
hostmaster.hichina.com
Serial
2025121112
Refresh
3600s
Retry
1200s
Expire
86400s
Min TTL
600s
CAA
Certificate Authority Authorization
(none)
PTR
Reverse DNS
0 records
Copy