polycore.cn - robtex.com
polycore.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.59.179.119🇺🇸 Amazon13.58.0.0/15 EC2 CMH prefix | ||||||
| PTR | ec2-13-59-179-119.us-east-2.compute.amazonaws.com | ||||||
| NS | ns1.cnolnic.net ⭐ | ||||||
| A | 240c:4082:0:5d80::2🇨🇳 Baidu240c:4082::/32 | ||||||
| A | 106.13.136.254🇨🇳 Baidu106.13.128.0/19 AS38365 | ||||||
| A | 182.61.7.97🇨🇳 Baidu182.61.0.0/19 | ||||||
| NS | ns2.cnolnic.net | ||||||
| A | 240c:4081:8000:1702::3🇨🇳 Baidu240c:4081::/32 | ||||||
| A | 106.12.41.177🇨🇳 Baidu106.12.32.0/19 | ||||||
| A | 180.76.132.69🇨🇳 Baidu180.76.128.0/19 | ||||||
| MX | mxa401.chinaemail.cn ⭐ | ||||||
| MX | mx401.chinaemail.cn(10) | ||||||
| A | 43.128.31.66🇭🇰 TENCENT-NET-AP-CN43.128.0.0/18 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES | ||||||
| A | 43.129.30.92🇭🇰 TENCENT-NET-AP-CN43.129.24.0/21 | ||||||
| A | 43.135.96.239🇭🇰 TENCENT-NET-AP-CN43.135.64.0/18 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES | ||||||
| A | 159.138.140.216🇭🇰 HWCSNET159.138.128.0/20 HUAWEI INTERNATIONAL PTE. LTD. 15A Changi Business Park Central 1 Eightrium 03-03/04 | ||||||
| PTR | brhk04.chinaemail.cn | ||||||
| TXT | v=spf1 include:spf.chinaemail.cn -all | ||||||
| SOA | ns1.cnolnic.netroot@cnolnic.net 2006-11-24 #1 | ||||||
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=2035005075 | ||||||
Same first word
polycore.org |
polycore.ca |
polycore.info |
polycore.nl |
polycore.cn |
polycore.com.au |
polycore.net |
polycore.de |
polycore.in |
polycore.com |
Similar names
cooperly.blogspot.com |
cooperly.net |
ypcooler.com |
cooleypr.com |
cryopole.fr |
yepcolor.com |
plyocore.com |
cooperly.com |
polecryo.fr |
DNS History
6 records (5 active, 1 former)
●NSns1.cnolnic.net2015-06-29 → 2026-07-05 · 2 obs
● 2026-07-05 10:05:12
●NSns2.cnolnic.net2015-06-29 → 2026-07-05 · 2 obs
● 2026-07-05 10:05:12
●MXmx401.chinaemail.cn2015-06-29 → 2026-07-05 · 2 obs
● 2026-07-05 10:05:12
●MXmxa401.chinaemail.cn2015-06-29 → 2026-07-05 · 2 obs
● 2026-07-05 10:05:12
●A13.59.179.1192026-06-19 → 2026-07-05 · 3 obs
● 2026-06-19 11:11:34
● 2026-07-05 10:05:12
○A220.128.78.32015-06-29 → 2017-08-18 · 4 obs
● 2017-08-18 17:27:52
○ 2026-06-19 11:11:34
○ 2026-07-05 10:05:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| polycore.cn | ns1.cnolnic.net, ns2.cnolnic.net | - |
✅ Authoritative Response
Server:180.76.132.69
NS records: ns1.cnolnic.net, ns2.cnolnic.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for polycore.cn (unsigned zone)
⏱️ Timing
Total: 4694ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 13.59.179.119 |
| NS | 2 | ns1.cnolnic.net, ns2.cnolnic.net |
| MX | 2 | mx401.chinaemail.cn (pri: 10), mxa401.chinaemail.cn (pri: 5) |
| TXT | 1 | v=spf1 include:spf.chinaemail.cn -all |
| SOA | 1 | ns1.cnolnic.net root.cnolnic.net |
Analysis
IP Addresses
polycore.cn resolves to one IP address: 13.59.179.119.
dhtextil.com, usatexas129.cname.ldygw.com, ec2-13-59-179-119.us-east-2.compute.amazonaws.com and two other host names share IP numbers with polycore.cn.
Name Servers
polycore.cn is delegated to two name servers: ns1.cnolnic.net and ns2.cnolnic.net.
polycore.cn uses the same name servers as several other domains — among them chaigang.net, neixun.info, fdbv.cn and two more.
Both ns1.cnolnic.net and ns2.cnolnic.net point to three IP numbers: ns1.cnolnic.net points to 106.13.136.254, 182.61.7.97 and 240c:4082:0:5d80::2, while ns2.cnolnic.net points to 106.12.41.177, 180.76.132.69 and 240c:4081:8000:1702::3.
Mail Servers
Mail for polycore.cn is handled by two mail servers — mx401.chinaemail.cn and mxa401.chinaemail.cn.
polycore.cn uses an identical mail server configuration to several other domains — among them lywheels.com, szyingxun.cn, lqfh.com and two more.
polycore.cn has at least partial mail server overlap with other domains such as hebtop.com, wilobj.com, yxtool.com and two more.
Host names with four IP numbers:
The host name mx401.chinaemail.cn points to: 43.128.31.66, 43.129.30.92, 43.135.96.239 and 159.138.140.216.