steelstructures.cn - robtex.com
steelstructures.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 107.172.113.160🇺🇸 Colocrossing-AS107.172.113.0/24 | ||||||
| PTR | 107-172-113-160-host.colocrossing.com | ||||||
| NS | ns1.julydns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 47.97.51.45🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD | ||||||
| NS | ns1.judns.com ⚠️ Not in zone NS records | ||||||
| A | 47.97.51.45🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD | ||||||
| NS | ns2.judns.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.julydns.com ⚠️ Not in parent delegation | ||||||
| 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=1766134951 | ||||||
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=2034660220 | ||||||
Subdomains
mail.steelstructures.cn |
Same first word
Similar names
DNS History
10 records (5 active, 5 former)
○NSns1.ce.net.cn2015-05-22 → 2017-05-24 · 4 obs
● 2017-05-24 04:42:00
○ 2026-03-24 02:47:14
○ 2026-04-11 22:03:48
●NSns1.judns.com2026-03-24 → 2026-04-11 · 3 obs
● 2026-03-24 02:47:14
● 2026-04-11 22:03:48
●NSns1.julydns.com2026-03-24 → 2026-04-11 · 3 obs
● 2026-03-24 02:47:14
● 2026-04-11 22:03:48
●NSns2.judns.com2026-03-24 → 2026-04-11 · 3 obs
● 2026-03-24 02:47:14
● 2026-04-11 22:03:48
●NSns2.julydns.com2026-03-24 → 2026-04-11 · 3 obs
● 2026-03-24 02:47:14
● 2026-04-11 22:03:48
○MXmail.steelstructures.cn2015-05-22 → 2017-05-24 · 4 obs
● 2017-05-24 04:42:00
○ 2026-03-24 02:47:14
○ 2026-04-11 22:03:48
○A106.187.51.2022015-10-12 → 2017-05-24 · 8 obs
● 2015-10-12 14:41:18
● 2015-12-23 08:51:28
○ 2016-03-31 00:40:36
○ 2016-09-22 00:48:42
● 2017-05-24 04:42:00
○ 2026-03-24 02:47:14
○ 2026-04-11 22:03:48
○A106.187.99.1742016-03-31 → 2016-09-22 · 5 obs
● 2016-03-31 00:40:36
● 2016-09-22 00:48:42
○ 2017-05-24 04:42:00
○ 2026-04-11 22:03:48
●A107.172.113.1602026-03-24 → 2026-04-11 · 3 obs
● 2026-03-24 02:47:14
● 2026-04-11 22:03:48
○A121.14.65.2162015-05-22 → 2015-05-22 · 3 obs
○ 2015-10-12 14:41:18
○ 2026-04-11 22:03:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| steelstructures.cn | ns1.judns.com, ns2.judns.com | - |
✅ Authoritative Response
Server:47.97.51.45
NS records: ns1.judns.com, ns2.judns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for steelstructures.cn (unsigned zone)
⏱️ Timing
Total: 1698ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 107.172.113.160 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
Analysis
Hierarchy
mail.steelstructures.cn is a child of steelstructures.cn.
IP Addresses
steelstructures.cn resolves to one IP number: 107.172.113.160.
Other host names, for instance qjfmyy.com, xjzclq.cn, mail.steelstructures.cn, yiliaoyz.cn and gzkdzl.com share IP numbers with steelstructures.cn.
Name Servers
steelstructures.cn delegates to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
steelstructures.cn at least partially shares name servers with other domains, including shidaink.com.cn, 100c4.cn, a6e959fe31.top, ypdyf.com and sdbjqz.cn.
Hostnames with a single IP:
ns1.judns.com points to 47.97.51.45.
ns2.judns.com points to 162.159.27.251.
ns1.julydns.com points to 47.97.51.45.
ns2.julydns.com points to 162.159.48.223.
Hostnames that point to 47.97.51.45: ns1.judns.com and ns1.julydns.com.