armstrong.cn - robtex.com
armstrong.cn
cn
| DNSSEC | ⚠️ Not signed | ||||||
| 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 2035-10-04 #8 | ||||||
Same first word
Similar names
DNS History
8 records (2 active, 6 former)
●NSdns1.cscdns.net2026-06-20 → 2026-07-28 · 3 obs
● 2026-06-20 18:40:32
● 2026-07-28 06:58:10
●NSdns2.cscdns.net2026-06-20 → 2026-07-28 · 3 obs
● 2026-06-20 18:40:32
● 2026-07-28 06:58:10
○NSns1.armstrong.com2015-08-15 → 2017-09-12 · 4 obs
● 2017-09-12 23:13:36
○ 2026-06-20 18:40:32
○ 2026-07-28 06:58:10
○NSns2.armstrong.com2015-08-15 → 2017-09-12 · 4 obs
● 2017-09-12 23:13:36
○ 2026-06-20 18:40:32
○ 2026-07-28 06:58:10
○NSns3.armstrong.com2015-08-15 → 2017-09-12 · 4 obs
● 2017-09-12 23:13:36
○ 2026-06-20 18:40:32
○ 2026-07-28 06:58:10
○MXmail.global.frontbridge.com2015-08-15 → 2017-09-12 · 4 obs
● 2017-09-12 23:13:36
○ 2026-06-20 18:40:32
○ 2026-07-28 06:58:10
○A204.74.19.1422015-12-11 → 2017-09-12 · 5 obs
● 2015-12-11 09:11:44
● 2017-09-12 23:13:36
○ 2026-06-20 18:40:32
○ 2026-07-28 06:58:10
○A204.74.19.2042015-08-15 → 2015-08-15 · 3 obs
○ 2015-12-11 09:11:44
○ 2026-07-28 06:58:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| armstrong.cn | dns1.cscdns.net, dns2.cscdns.net | - |
✅ Authoritative Response
Server:156.154.131.100
NS records: dns1.cscdns.net, dns2.cscdns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for armstrong.cn (unsigned zone)
⏱️ Timing
Total: 1087ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns1.cscdns.net, dns2.cscdns.net |
| SOA | 1 | dns1.cscdns.net hostmaster.cscdns.net |
Analysis
Name Servers
armstrong.cn has two authoritative name servers — dns1.cscdns.net and dns2.cscdns.net.
armstrong.cn uses the same name servers as several other domains — among them maybelline.kr, everyexperiencecounts.org, resolva-weeds.com and two more.
Some of armstrong.cn's name servers are also used by other domains, including d-fine.wien, mcfgriff.com, countrywydemortgage.com and mbnacampus.net.
These name servers are regularly seen alongside ns101.bac.com and ns102.bac.com as name servers.
Both dns1.cscdns.net and dns2.cscdns.net have two IP addresses each. dns1.cscdns.net resolves to 156.154.130.100 and 2610:a1:1022::100; dns2.cscdns.net resolves to 156.154.131.100 and 2610:a1:1023::100.