calc.org.cn - robtex.com
calc.org.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 208.98.43.38🇺🇸 SHARKTECH-1208.98.43.0/24 | ||||||
| PTR | rylandhomesmktg.com | ||||||
| NS | www.calc.org.cn ⭐ | ||||||
| A | 208.98.40.37🇺🇸 SHARKTECH-1208.98.40.0/24 | ||||||
| NS | ns1.4.cn ⚠️ Not in zone NS records | ||||||
| A | 107.167.27.66🇺🇸 SHARKTECH-1107.167.27.0/24 CMI (Customer Route) | ||||||
| NS | ns2.4.cn ⚠️ Not in zone NS records | ||||||
| A | 208.98.43.66🇺🇸 SHARKTECH-1208.98.43.0/24 | ||||||
| PTR | jensenstilbud.com | ||||||
| SOA | www.calc.org.cncalc@org.cn 2008-08-03 #0 | ||||||
org.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.dns.cn ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | c.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | cns.cernet.net ⚠️ Not in parent delegation | ||||||
| NS | d.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | e.dns.cn ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2027898124 | ||||||
Subdomains
www.calc.org.cn |
Same first word
Similar names
DNS History
8 records (4 active, 4 former)
○NSdns25.hichina.com2015-06-23 → 2017-10-25 · 4 obs
● 2017-10-25 01:26:34
○ 2026-07-27 10:18:32
○ 2026-08-10 23:31:40
○NSdns26.hichina.com2015-06-23 → 2017-10-25 · 4 obs
● 2017-10-25 01:26:34
○ 2026-07-27 10:18:32
○ 2026-08-10 23:31:40
●NSns1.4.cn2026-07-27 → 2026-08-10 · 3 obs
● 2026-07-27 10:18:32
● 2026-08-10 23:31:40
●NSns2.4.cn2026-07-27 → 2026-08-10 · 3 obs
● 2026-07-27 10:18:32
● 2026-08-10 23:31:40
●NSwww.calc.org.cn2026-08-10 → 2026-08-10 · 2 obs
● 2026-08-10 23:31:40
○MXmxn.mxhichina.com2015-06-23 → 2017-10-25 · 4 obs
● 2017-10-25 01:26:34
○ 2026-07-27 10:18:32
○ 2026-08-10 23:31:40
●A208.98.43.382026-08-10 → 2026-08-10 · 2 obs
● 2026-08-10 23:31:40
○A223.6.178.1782015-06-23 → 2017-10-25 · 4 obs
● 2017-10-25 01:26:34
○ 2026-07-27 10:18:32
○ 2026-08-10 23:31:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | c.dns.cn, a.dns.cn, b.dns.cn, e.dns.cn... | - |
| calc.org.cn | ns1.4.cn, ns2.4.cn | - |
✅ Authoritative Response
Server:107.167.27.66
NS records: ns1.4.cn, ns2.4.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for calc.org.cn (unsigned zone)
⏱️ Timing
Total: 1198ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 208.98.43.38 |
| SOA | 1 | www.calc.org.cn calc.org.cn |
Analysis
Hierarchy
The domain www.calc.org.cn falls under the parent calc.org.cn.
IP Addresses
calc.org.cn resolves to one IP address: 208.98.43.38.
35fc.com, www.szinter.com, 62848.com and two other host names share IP numbers with calc.org.cn.
Name Servers
calc.org.cn has three name servers — ns1.4.cn, ns2.4.cn and www.calc.org.cn.
At least some of calc.org.cn's name servers are shared with other domains, for example 91town.com, xiaoshanyang.com, vqz.cc and two more.
It is common to find these name servers alongside the name servers ns3.goldenname.com, ns4.goldenname.com, ns3.4.cn and two others.
Each of the three hostnames points to exactly one IP address: ns1.4.cn points to 107.167.27.66, ns2.4.cn points to 208.98.43.66 and www.calc.org.cn points to 208.98.40.37.