pku-cfo.com - robtex.com
pku-cfo.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 183.136.138.174🇨🇳 CHINATELECOM-ZHEJIANG-NINGBO-IDC183.136.138.0/24 Chinanet-NingBo-IDC | ||||||
| NS | ns1.julydns.com ⭐ | ||||||
| A | 47.97.51.45🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD | ||||||
| NS | ns2.julydns.com | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | ns1.julydns.commaster@jmdns.com serial=1775578250 | ||||||
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=1776165177 | ||||||
Same first word
pku-cfo.com |
DNS History
13 records (3 active, 10 former)
○NSa.share-dns.com2026-04-14 → 2026-04-14 · 2 obs
○ 2026-04-14 11:23:16
○NSa7.share-dns.com2026-04-14 → 2026-04-14 · 2 obs
○ 2026-04-14 11:23:16
○NSb.share-dns.net2026-04-14 → 2026-04-14 · 2 obs
○ 2026-04-14 11:23:16
○NSb7.share-dns.net2026-04-14 → 2026-04-14 · 2 obs
○ 2026-04-14 11:23:16
○NSdns31.hichina.com2015-07-23 → 2020-02-16 · 4 obs
● 2020-02-16 19:08:16
○ 2026-04-14 11:23:14
○ 2026-04-14 11:23:16
○NSdns32.hichina.com2015-07-23 → 2020-02-16 · 4 obs
● 2020-02-16 19:08:16
○ 2026-04-14 11:23:14
○ 2026-04-14 11:23:16
●NSns1.julydns.com2026-04-14 → 2026-04-14 · 3 obs
● 2026-04-14 11:23:14
● 2026-04-14 11:23:16
●NSns2.julydns.com2026-04-14 → 2026-04-14 · 3 obs
● 2026-04-14 11:23:14
● 2026-04-14 11:23:16
○A101.200.123.252017-03-28 → 2017-03-28 · 4 obs
● 2017-03-28 12:19:10
○ 2020-02-16 19:08:16
○ 2026-04-14 11:23:16
○A115.29.103.1542015-07-23 → 2016-07-06 · 4 obs
● 2016-07-06 07:23:28
○ 2017-03-28 12:19:10
○ 2026-04-14 11:23:16
○A156.234.98.1262026-04-14 → 2026-04-14 · 2 obs
○ 2026-04-14 11:23:16
●A183.136.138.1742026-04-14 → 2026-04-14 · 3 obs
● 2026-04-14 11:23:14
● 2026-04-14 11:23:16
○A47.52.255.322020-02-16 → 2020-02-16 · 4 obs
● 2020-02-16 19:08:16
○ 2026-04-14 11:23:14
○ 2026-04-14 11:23:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, l.gtld-servers.net... | - |
| pku-cfo.com | ns1.julydns.com, ns2.julydns.com | 2 records |
✅ Authoritative Response
Server:47.97.51.45
NS records: ns1.julydns.com, ns2.julydns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for pku-cfo.com (unsigned zone)
⏱️ Timing
Total: 3330ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.136.138.174 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.julydns.com, ns2.julydns.com)
Analysis
IP Addresses
pku-cfo.com points to an IP address: 183.136.138.174.
other host names include dbwled.com, bjhcgj.com, huiyoule.com, tongzee.com and whhuodian.com; they share IP numbers with pku-cfo.com.
Name Servers
Two name servers ns1.julydns.com and ns2.julydns.com handle the delegation for pku-cfo.com.
pku-cfo.com shares the same name server setup as other domains, for instance myyuyu.com, yongzhezhijia.com, nnhuifan.com, cttgm.com and obicn.com.
pku-cfo.com at least partially shares name servers with other domains, for instance kahw.cn, qh627692.cn, lichee.com.cn, huaqirenli.cn and qybzj.com.cn.
These name servers are commonly used with ns1.judns.com and ns2.judns.com.
Host names with one IP:
ns1.julydns.com points to: 47.97.51.45
ns2.julydns.com points to: 162.159.48.223