xf21.com - robtex.com
xf21.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1771291435 | ||||||
Similar names
DNS History
8 records (5 active, 3 former)
●NSdns1.hichina.com2007-12-09 → 2026-03-17 · 2 obs
● 2026-03-17 19:30:36
●NSdns2.hichina.com2007-12-09 → 2026-03-17 · 2 obs
● 2026-03-17 19:30:36
○MXmail.xf21.com2007-12-09 → 2007-12-09 · 3 obs
○ 2015-06-11 23:03:12
○ 2026-03-17 19:30:36
●MXmxbiz1.qq.com2018-12-22 → 2026-03-17 · 3 obs
● 2018-12-22 04:36:48
● 2026-03-17 19:30:36
●MXmxbiz2.qq.com2018-12-22 → 2026-03-17 · 3 obs
● 2018-12-22 04:36:48
● 2026-03-17 19:30:36
○MXmxdomain.qq.com2015-06-11 → 2016-12-15 · 5 obs
● 2015-06-11 23:03:12
● 2016-12-15 12:21:08
○ 2018-12-22 04:36:48
○ 2026-03-17 19:30:36
●A47.89.42.1272018-12-22 → 2026-03-17 · 3 obs
● 2018-12-22 04:36:48
● 2026-03-17 19:30:36
○A61.156.45.442007-12-09 → 2007-12-09 · 3 obs
○ 2015-06-11 23:03:12
○ 2026-03-17 19:30:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| xf21.com | dns2.hichina.com, dns1.hichina.com | 18 records |
✅ Authoritative Response
Server: 120.76.107.43
NS records: dns2.hichina.com, dns1.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for xf21.com (unsigned zone)
⏱️ Timing
Total: 794ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 47.89.42.127 |
| NS | 2 | dns2.hichina.com, dns1.hichina.com |
| MX | 2 | mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10) |
| SOA | 1 | dns1.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns2.hichina.com, dns2.hichina.com, dns2.hichina.com...)
Analysis
IP Addresses
xf21.com points to a single IP number: 47.89.42.127.
Other host names, for instance kpwlyx.com, share IP numbers with xf21.com.
Name Servers
Delegation for xf21.com rests with two name servers, dns1.hichina.com and dns2.hichina.com.
xf21.com shares the same name server setup as other domains, including g344.cc, sinsign.com.cn, caupd.com, camsouth.com.cn and chh.com.cn.
xf21.com partially shares name servers with other domains; for instance betapingfen.com, jyxcc.com and pursebag.com.
These name servers are commonly used with expirens3.hichina.com and expirens4.hichina.com.
Host names with nine IP numbers:
dns1.hichina.com points to: 2408:4009:501::9, 39.96.153.43, 39.96.153.63, 47.118.199.203, 47.118.199.213, 120.76.107.43, 120.76.107.63, 139.224.142.113 and 139.224.142.123.
dns2.hichina.com points to: 2408:4009:501::10, 39.96.153.44, 39.96.153.54, 47.118.199.204, 47.118.199.214, 120.76.107.44, 120.76.107.54, 139.224.142.114 and 139.224.142.124.
Mail Servers
xf21.com is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.
xf21.com uses the same mail server configuration as other domains, such as wsce.cn, mayi.org, biruida.com, 591nt.com and hiby.com.
xf21.com shares at least partially some mail servers with other domains, for example xy1118.com, suntops.com.cn and szjlkt.com.
Host names with two IPs:
mxbiz1.qq.com points to 203.205.147.218 and 203.205.232.191.
Host names with one IP:
mxbiz2.qq.com points to 203.205.232.191.
Host names pointing to 203.205.232.191: