centocor.cn - robtex.com
centocor.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns1.p01.nsone.net ⭐ | ||||||
| A | 2620:4d:4000:6259:7:1:0:1🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1 | ||||||
| PTR | dns1.p01.nsone.net | ||||||
| A | 198.51.44.1🇺🇸 NSONE198.51.44.0/24 | ||||||
| PTR | dns1.p01.nsone.net | ||||||
| NS | dns1.c01.nsone.net.cn | ||||||
| A | 47.94.104.101🇨🇳 Alibaba-Cloud47.94.0.0/15 CT BeiJing IDC | ||||||
| PTR | dns1.c01.nsone.net.cn | ||||||
| NS | dns2.c01.nsone.net.cn | ||||||
| A | 106.14.209.108🇨🇳 Alibaba-Cloud106.14.0.0/16 Alibaba (US) Technology Co., Ltd. | ||||||
| PTR | dns2.c01.nsone.net.cn | ||||||
| NS | dns3.c01.nsone.net.cn | ||||||
| A | 119.23.111.170🇨🇳 Alibaba-Cloud119.23.0.0/17 | ||||||
| PTR | dns3.c01.nsone.net.cn | ||||||
| NS | dns4.c01.nsone.net.cn | ||||||
| A | 118.190.149.197🇨🇳 Alibaba-Cloud118.190.128.0/17 | ||||||
| PTR | dns4.c01.nsone.net.cn | ||||||
| NS | dns5.c01.nsone.net.cn | ||||||
| A | 198.51.45.73🇺🇸 NSONE198.51.45.0/24 | ||||||
| PTR | ns7.demysdns.com | ||||||
| PTR | dns4.p09.nsone.net | ||||||
| SOA | dns1.p01.nsone.nethostmaster@nsone.net serial=1715727297 | ||||||
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=2035130836 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSdns1.c01.nsone.net.cn2026-05-16 → 2026-08-04 · 2 obs
● 2026-08-04 18:16:22
●NSdns1.p01.nsone.net2026-05-16 → 2026-08-04 · 7 obs
● 2026-05-28 23:47:18
○ 2026-06-17 07:48:02
● 2026-06-20 05:45:30
○ 2026-06-27 12:37:42
● 2026-07-09 00:36:52
● 2026-08-04 18:16:22
●NSdns2.c01.nsone.net.cn2026-05-16 → 2026-08-04 · 2 obs
● 2026-08-04 18:16:22
●NSdns3.c01.nsone.net.cn2026-05-16 → 2026-08-04 · 2 obs
● 2026-08-04 18:16:22
●NSdns4.c01.nsone.net.cn2026-05-16 → 2026-08-04 · 2 obs
● 2026-08-04 18:16:22
●NSdns5.c01.nsone.net.cn2026-05-16 → 2026-08-04 · 2 obs
● 2026-08-04 18:16:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| centocor.cn | dns1.c01.nsone.net.cn, dns2.c01.nsone.net.cn, dns3.c01.nsone.net.cn, dns4.c01.nsone.net.cn... | - |
✅ Authoritative Response
Server:47.94.104.101
NS records: dns1.c01.nsone.net.cn, dns2.c01.nsone.net.cn, dns3.c01.nsone.net.cn, dns4.c01.nsone.net.cn, dns5.c01.nsone.net.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for centocor.cn (unsigned zone)
⏱️ Timing
Total: 1980ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 5 | dns1.c01.nsone.net.cn, dns2.c01.nsone.net.cn... |
| SOA | 1 | dns1.p01.nsone.net hostmaster.nsone.net |
Analysis
Name Servers
centocor.cn is delegated to 6 name servers: dns1.p01.nsone.net, dns1.c01.nsone.net.cn, dns2.c01.nsone.net.cn and 3 other.
There is at least partial name server overlap between centocor.cn and other domains — 2weekacuvuedefine.jp, damontweedy.com, stuart-robertson.com and two more among them.
These name servers regularly appear alongside dns3.c01.nsone.net.cn, dns4.c01.nsone.net.cn, dns5.c01.nsone.net.cn and 7 other name servers in NS record sets.
Host names pointing to two IP addresses:
dns1.p01.nsone.net points to 198.51.44.1 and 2620:4d:4000:6259:7:1:0:1.
Host names resolving to a single IP address:
dns1.c01.nsone.net.cn points to 47.94.104.101.
dns2.c01.nsone.net.cn points to 106.14.209.108.
dns3.c01.nsone.net.cn points to 119.23.111.170.
dns4.c01.nsone.net.cn points to 118.190.149.197.
dns5.c01.nsone.net.cn points to 198.51.45.73.