nhsdlc.cn - robtex.com
nhsdlc.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 54.183.102.22🇺🇸 Amazon54.183.0.0/17 EC2 SFO prefix | ||||||
| PTR | ec2-54-183-102-22.us-west-1.compute.amazonaws.com | ||||||
| A | 142.91.104.10🇺🇸 LEASEWEB-AS-AP142.91.104.0/23 Leaseweb Japan K.K. 201 Chambre de Nishi Azabu, 4-14-14, Nishiazabu | ||||||
| NS | ns3.cycomdns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 142.91.104.10🇺🇸 LEASEWEB-AS-AP142.91.104.0/23 Leaseweb Japan K.K. 201 Chambre de Nishi Azabu, 4-14-14, Nishiazabu | ||||||
| PTR | jp2.cycom.asia | ||||||
| NS | ns1.sinohosting.net ⚠️ Not in zone NS records | ||||||
| A | 142.91.104.21🇺🇸 LEASEWEB-AS-AP142.91.104.0/23 Leaseweb Japan K.K. 201 Chambre de Nishi Azabu, 4-14-14, Nishiazabu | ||||||
| PTR | jp3.cycom.asia | ||||||
| NS | ns2.sinohosting.net ⚠️ Not in zone NS records | ||||||
| A | 142.91.104.21🇺🇸 LEASEWEB-AS-AP142.91.104.0/23 Leaseweb Japan K.K. 201 Chambre de Nishi Azabu, 4-14-14, Nishiazabu | ||||||
| PTR | jp3.cycom.asia | ||||||
| NS | ns4.cycomdns.com ⚠️ Not in parent delegation | ||||||
| A | 142.91.104.10🇺🇸 LEASEWEB-AS-AP142.91.104.0/23 Leaseweb Japan K.K. 201 Chambre de Nishi Azabu, 4-14-14, Nishiazabu | ||||||
| PTR | jp2.cycom.asia | ||||||
| MX | mxbiz1.qq.com ⭐ | ||||||
| MX | mxbiz2.qq.com(10) | ||||||
| TXT | v=spf1 +a +mx +ip4:139.162.82.210 +ip4:142.91.104.10 +ip4:139.162.68.87 +ip4:... | ||||||
| SOA | ns3.cycomdns.comadmin@cycomsupport.com 2025-04-22 #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=2034668346 | ||||||
Same first word
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DNS History
11 records (8 active, 3 former)
○NSns1.cycom.asia2018-06-24 → 2018-06-24 · 3 obs
○ 2026-03-26 21:42:42
○ 2026-04-14 04:43:38
●NSns1.sinohosting.net2026-03-26 → 2026-04-14 · 3 obs
● 2026-03-26 21:42:42
● 2026-04-14 04:43:38
○NSns2.cycom.asia2018-06-24 → 2018-06-24 · 3 obs
○ 2026-03-26 21:42:42
○ 2026-04-14 04:43:38
●NSns2.sinohosting.net2026-03-26 → 2026-04-14 · 3 obs
● 2026-03-26 21:42:42
● 2026-04-14 04:43:38
●NSns3.cycomdns.com2026-03-26 → 2026-04-14 · 3 obs
● 2026-03-26 21:42:42
● 2026-04-14 04:43:38
●NSns4.cycomdns.com2026-03-26 → 2026-04-14 · 3 obs
● 2026-03-26 21:42:42
● 2026-04-14 04:43:38
●MXmxbiz1.qq.com2026-03-26 → 2026-04-14 · 3 obs
● 2026-03-26 21:42:42
● 2026-04-14 04:43:38
●MXmxbiz2.qq.com2026-03-26 → 2026-04-14 · 3 obs
● 2026-03-26 21:42:42
● 2026-04-14 04:43:38
○MXnhsdlc-cn.mail.protection.outlook.com2018-06-24 → 2018-06-24 · 3 obs
○ 2026-03-26 21:42:42
○ 2026-04-14 04:43:38
●A142.91.104.102026-03-26 → 2026-04-14 · 3 obs
● 2026-03-26 21:42:42
● 2026-04-14 04:43:38
●A54.183.102.222018-06-24 → 2026-04-14 · 2 obs
● 2026-04-14 04:43:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| nhsdlc.cn | ns1.sinohosting.net, ns2.sinohosting.net | - |
✅ Authoritative Response
Server:142.91.104.21
NS records: ns1.sinohosting.net, ns2.sinohosting.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for nhsdlc.cn (unsigned zone)
⏱️ Timing
Total: 1762ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 54.183.102.22, 142.91.104.10 |
| NS | 2 | ns4.cycomdns.com, ns3.cycomdns.com |
| MX | 2 | mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5) |
| TXT | 1 | v=spf1 +a +mx +ip4:139.162.82.210 +ip4:1 |
| SOA | 1 | ns3.cycomdns.com admin.cycomsupport.com |
Analysis
IP Addresses
nhsdlc.cn resolves to two IP numbers: 54.183.102.22 and 142.91.104.10.
other host names including microcloud.com.tw, gaco-hk.com, myoasisfamily.org, aladdin99s.app and futurebright.co.nz share IP numbers with nhsdlc.cn.
Name Servers
nhsdlc.cn is delegated to four name servers: ns3.cycomdns.com, ns4.cycomdns.com, ns1.sinohosting.net and ns2.sinohosting.net.
nhsdlc.cn shares at least some name servers with other domains, for example cycom.com.hk, sinohosting.net and amerigenpharma.cn.
these name servers are commonly used alongside ns.sinohosting.net.
Host names with a single IP:
ns3.cycomdns.com points to 142.91.104.10.
ns4.cycomdns.com points to 142.91.104.10.
ns1.sinohosting.net points to 142.91.104.21.
ns2.sinohosting.net points to 142.91.104.21.
Host names pointing to 142.91.104.10: ns3.cycomdns.com and ns4.cycomdns.com.
Host names pointing to 142.91.104.21: ns1.sinohosting.net and ns2.sinohosting.net.
Mail Servers
Two mail servers handle nhsdlc.cn: mxbiz1.qq.com and mxbiz2.qq.com.
nhsdlc.cn shares the same mail server setup as other domains, for instance jzghkj.com, tiantianfunds.com, xingkelight.com, axytc.com and focusitan.com.
nhsdlc.cn shares some mail servers with other domains, at least partially, for instance nbkingbon.com, a-amsm.com, zjtys.com.cn, rgoo.com and oznerwater.com.