bcktw.com - robtex.com
bcktw.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 | ||||||
Same first word
bcktw.com |
Similar names
DNS History
14 records (5 active, 9 former)
○NSdns1.iidns.com2016-12-20 → 2016-12-20 · 3 obs
○ 2018-11-02 04:32:48
○ 2026-03-16 10:43:58
○NSdns2.iidns.com2016-12-20 → 2016-12-20 · 3 obs
○ 2026-03-14 10:36:08
○ 2026-03-16 10:43:58
○NSdns3.iidns.com2016-12-20 → 2016-12-20 · 3 obs
○ 2026-03-14 10:36:08
○ 2026-03-16 10:43:58
●NSdns31.hichina.com2026-03-14 → 2026-03-16 · 3 obs
● 2026-03-14 10:36:08
● 2026-03-16 10:43:58
●NSdns32.hichina.com2026-03-14 → 2026-03-16 · 3 obs
● 2026-03-14 10:36:08
● 2026-03-16 10:43:58
○NSdns4.iidns.com2016-12-20 → 2016-12-20 · 3 obs
○ 2026-03-14 10:36:08
○ 2026-03-16 10:43:58
○NSdns5.iidns.com2016-12-20 → 2016-12-20 · 3 obs
○ 2026-03-14 10:36:08
○ 2026-03-16 10:43:58
○NSdns6.iidns.com2016-12-20 → 2016-12-20 · 3 obs
○ 2026-03-14 10:36:08
○ 2026-03-16 10:43:58
●NSexpirens3.hichina.com2026-03-14 → 2026-03-16 · 3 obs
● 2026-03-14 10:36:08
● 2026-03-16 10:43:58
●NSexpirens4.hichina.com2026-03-14 → 2026-03-16 · 3 obs
● 2026-03-14 10:36:08
● 2026-03-16 10:43:58
○NSf1g1ns1.dnspod.net2018-11-02 → 2018-11-02 · 4 obs
● 2018-11-02 04:32:48
○ 2026-03-14 10:36:08
○ 2026-03-16 10:43:58
○A173.247.232.212018-11-02 → 2018-11-02 · 4 obs
● 2018-11-02 04:32:48
○ 2026-03-14 10:36:08
○ 2026-03-16 10:43:58
○A43.255.118.1562016-12-20 → 2016-12-20 · 3 obs
○ 2026-03-14 10:36:08
○ 2026-03-16 10:43:58
●CNAMEexpired.hichina.com2026-03-14 → 2026-03-16 · 2 obs
● 2026-03-16 10:43:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| bcktw.com | expirens3.hichina.com, expirens4.hichina.com | 18 records |
✅ Authoritative Response
Server: 120.76.107.33
NS records: expirens3.hichina.com, expirens4.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bcktw.com (unsigned zone)
⏱️ Timing
Total: 803ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns31.hichina.com, dns32.hichina.com |
| CNAME | 1 | expired.hichina.com |
| SOA | 1 | dns31.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (expirens3.hichina.com, expirens3.hichina.com, expirens3.hichina.com...)
Analysis
IP Addresses
bcktw.com points to three IPs: 8.218.208.240, 47.76.127.217 and 47.91.170.222.
Other host names, for instance expired.hichina.com, share IP numbers with bcktw.com.
Name Servers
bcktw.com is delegated to two name servers: ns1.alidns.com and ns2.alidns.com.
bcktw.com uses the same name server setup as other domains, for instance kblcdn.cn, uki.biz, dsxpro.com, ests.hk and 46f3bec1b1019.beer.
bcktw.com shares name servers with other domains at least partially, for instance liaobei.org, 8888cecswknz.shop, dengmi.com, wensheng.gov.cn and dqkl.com.
these name servers are commonly used with ns7.alidns.com, ns8.alidns.com, dns19.hichina.com, dns20.hichina.com, dns17.hichina.com, dns18.hichina.com, dns10.hichina.com and dns9.hichina.com.
Host names with nine IP numbers: ns1.alidns.com points to 2408:4009:501::1, 39.96.153.45, 39.96.153.55, 47.118.199.205, 47.118.199.215, 120.76.107.45, 120.76.107.55, 139.224.142.115 and 139.224.142.125; ns2.alidns.com points to 2408:4009:501::2, 39.96.153.46, 39.96.153.56, 47.118.199.206, 47.118.199.216, 120.76.107.46, 120.76.107.56, 139.224.142.116 and 139.224.142.126.