4bworld.com - robtex.com
4bworld.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 | ||||||
Subdomains
mail.4bworld.com |
Same first word
4bworld.com |
Similar names
DNS History
8 records (6 active, 2 former)
●NSdns13.hichina.com2015-06-14 → 2026-03-23 · 2 obs
● 2026-03-23 09:59:40
●NSdns14.hichina.com2015-06-14 → 2026-03-23 · 2 obs
● 2026-03-23 09:59:40
○A112.125.180.142015-06-14 → 2016-11-28 · 4 obs
● 2016-11-28 20:43:06
○ 2017-06-12 20:35:40
○ 2026-03-23 09:59:40
●A119.147.15.1082015-06-14 → 2026-03-23 · 2 obs
● 2026-03-23 09:59:40
●A39.108.27.2092026-03-03 → 2026-03-23 · 3 obs
● 2026-03-03 23:36:44
● 2026-03-23 09:59:40
○A60.205.32.722017-06-12 → 2017-06-12 · 4 obs
● 2017-06-12 20:35:40
○ 2026-03-03 23:36:44
○ 2026-03-23 09:59:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| 4bworld.com | dns13.hichina.com, dns14.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.42
NS records: dns13.hichina.com, dns14.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 4bworld.com (unsigned zone)
⏱️ Timing
Total: 3572ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 39.108.27.209, 119.147.15.108 |
| NS | 2 | dns13.hichina.com, dns14.hichina.com |
| MX | 2 | mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5) |
| TXT | 3 | v=spf1 ip4:183.60.61.198 ~all, v=spf1 include:spf.mail.qq.com ~all... |
| SOA | 1 | dns13.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns13.hichina.com, dns13.hichina.com, dns13.hichina.com...)
Analysis
Hierarchy
4bworld.com is the parent of mail.4bworld.com.
IP Addresses
4bworld.com points to two IPs: 39.108.27.209 and 119.147.15.108.
Name Servers
4bworld.com's delegation uses two name servers, dns13.hichina.com and dns14.hichina.com.
4bworld.com shares the same name server setup as other domains, for example 5v.org, wanfuwenhua.com, hbjwwl.com, clahome.com and lanhu.com.cn.
4bworld.com at least partially shares name servers with other domains, for example corvo.info, aemc.cn and mht666.com.
dns13.hichina.com points to: 2408:4009:501::21, 39.96.153.42, 39.96.153.52, 47.118.199.202, 47.118.199.212, 120.76.107.42, 120.76.107.52, 139.224.142.112 and 139.224.142.122.
dns14.hichina.com points to: 2408:4009:501::22, 39.96.153.41, 39.96.153.51, 47.118.199.201, 47.118.199.211, 120.76.107.41, 120.76.107.51, 139.224.142.111 and 139.224.142.121.
Mail Servers
4bworld.com is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.
4bworld.com shares its mail server setup with other domains, including cingsoft.com, dbwebs.cn, actte.com, demihealth.com and richhonour.com.cn.
4bworld.com shares at least partially some mail servers with other domains, for instance 91af.cn, rtlhq.(0x787878)y.info and dnspodmail.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.
Names pointing to 203.205.232.191: