bi25.cn - robtex.com
bi25.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 38.174.234.88🇺🇸 AS39882338.174.224.0/19 PEG TECH INC | ||||||
| NS | ns1.nowcndns.com ⭐ | ||||||
| A | 1.193.216.204🇨🇳 CHINANET-Henan-Luoyang-IDC1.193.216.0/24 Chinatelecom HeNan Province Network | ||||||
| A | 218.98.111.129🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 218.98.111.138🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | ns2.nowcndns.com | ||||||
| A | 61.158.128.11🇨🇳 CHINA169-Backbone61.158.128.0/17 CNC Group CHINA169 Henan Province Network | ||||||
| PTR | 11.128.158.61.ha.cnc | ||||||
| A | 183.253.57.202🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route) | ||||||
| A | 211.99.99.38🇨🇳 DONGGUAN-1211.99.99.0/24 | ||||||
| SOA | ns1.nowcndns.comadmin@nowcndns.com serial=1751342730 | ||||||
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2035129249 | ||||||
Same first word
Similar names
DNS History
7 records (3 active, 4 former)
○NSf1g1ns1.dnspod.net2015-07-19 → 2017-04-01 · 7 obs
● 2015-07-19 23:28:50
○ 2015-12-16 04:51:44
○ 2016-03-21 11:00:32
● 2016-07-17 06:28:52
● 2017-04-01 08:51:52
○ 2026-07-15 11:07:06
○ 2026-08-03 20:34:32
○ 2015-12-16 04:51:44
○ 2016-03-21 11:00:32
● 2016-07-17 06:28:52
● 2017-04-01 08:51:52
○ 2026-07-15 11:07:06
○ 2026-08-03 20:34:32
○NSf1g1ns2.dnspod.net2015-07-19 → 2017-04-01 · 7 obs
● 2015-07-19 23:28:50
○ 2015-12-16 04:51:44
○ 2016-03-21 11:00:32
● 2016-07-17 06:28:52
● 2017-04-01 08:51:52
○ 2026-07-15 11:07:06
○ 2026-08-03 20:34:32
○ 2015-12-16 04:51:44
○ 2016-03-21 11:00:32
● 2016-07-17 06:28:52
● 2017-04-01 08:51:52
○ 2026-07-15 11:07:06
○ 2026-08-03 20:34:32
●NSns1.nowcndns.com2026-07-15 → 2026-08-03 · 3 obs
○ 2017-04-01 08:51:52
● 2026-07-15 11:07:06
● 2026-08-03 20:34:32
● 2026-07-15 11:07:06
● 2026-08-03 20:34:32
●NSns2.nowcndns.com2026-07-15 → 2026-08-03 · 3 obs
○ 2017-04-01 08:51:52
● 2026-07-15 11:07:06
● 2026-08-03 20:34:32
● 2026-07-15 11:07:06
● 2026-08-03 20:34:32
○A107.191.107.2002016-07-17 → 2017-04-01 · 5 obs
○ 2015-12-16 04:51:44
● 2016-07-17 06:28:52
● 2017-04-01 08:51:52
○ 2026-07-15 11:07:06
○ 2026-08-03 20:34:32
● 2016-07-17 06:28:52
● 2017-04-01 08:51:52
○ 2026-07-15 11:07:06
○ 2026-08-03 20:34:32
●A38.174.234.882026-07-15 → 2026-08-03 · 3 obs
○ 2017-04-01 08:51:52
● 2026-07-15 11:07:06
● 2026-08-03 20:34:32
● 2026-07-15 11:07:06
● 2026-08-03 20:34:32
○A63.141.228.1762015-07-19 → 2015-07-19 · 3 obs
● 2015-07-19 23:28:50
○ 2015-12-16 04:51:44
○ 2026-08-03 20:34:32
○ 2015-12-16 04:51:44
○ 2026-08-03 20:34:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| bi25.cn | ns1.nowcndns.com, ns2.nowcndns.com | - |
✅ Authoritative Response
Server:218.98.111.138
NS records: ns1.nowcndns.com, ns2.nowcndns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bi25.cn (unsigned zone)
⏱️ Timing
Total: 1785ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 38.174.234.88 |
| NS | 2 | ns1.nowcndns.com, ns2.nowcndns.com |
| SOA | 1 | ns1.nowcndns.com admin.nowcndns.com |
Analysis
IP Addresses
bi25.cn resolves to just one IP address, 38.174.234.88.
Name Servers
The NS records for bi25.cn delegate to ns1.nowcndns.com and ns2.nowcndns.com.
bi25.cn shares its NS records with other domains, for example ttcctv.com.cn, xjtvmen.cn, bjenglish.org.cn and two others.
ns1.nowcndns.com and ns2.nowcndns.com each resolve to three IP addresses. ns1.nowcndns.com resolves to 1.193.216.204, 218.98.111.129 and 218.98.111.138. ns2.nowcndns.com resolves to 61.158.128.11, 183.253.57.202 and 211.99.99.38.