gdct56.com - robtex.com
gdct56.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.nowcndns.com ⭐ | ||||||
| A | 1.193.216.204🇨🇳 CHINANET-Henan-Luoyang-IDC1.193.216.0/24 Chinatelecom HeNan Province Network | ||||||
| A | 218.98.111.129🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 218.98.111.138🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | ns2.nowcndns.com | ||||||
| A | 61.158.128.11🇨🇳 CHINA169-Backbone61.158.128.0/17 CNC Group CHINA169 Henan Province Network | ||||||
| PTR | 11.128.158.61.ha.cnc | ||||||
| A | 183.253.57.202🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route) | ||||||
| A | 211.99.99.38🇨🇳 DONGGUAN-1211.99.99.0/24 | ||||||
| MX | mxn.mxhichina.com ⭐ | ||||||
| A | 47.246.136.231🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud | ||||||
| PTR | cz-clare.com | ||||||
| PTR | reachsmartdwell.com | ||||||
| PTR | wevolt.tech | ||||||
| A | 47.246.137.47🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud | ||||||
| TXT | v=spf1 include:spf.qiye.aliyun.com -all | ||||||
| SOA | ns1.nowcndns.comadmin@nowcndns.com serial=1751342709 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1785284767 | ||||||
Same first word
gdct56.com |
DNS History
10 records (3 active, 7 former)
●NSns1.nowcndns.com2026-06-04 → 2026-07-29 · 3 obs
● 2026-06-04 22:08:40
● 2026-07-29 00:31:06
●NSns2.nowcndns.com2026-06-04 → 2026-07-29 · 3 obs
● 2026-06-04 22:08:40
● 2026-07-29 00:31:06
○NSns3.01isp.com2015-06-07 → 2017-07-05 · 4 obs
● 2017-07-05 10:43:26
○ 2026-06-04 22:08:40
○ 2026-07-29 00:31:06
○NSns4.01isp.net2015-06-07 → 2017-07-05 · 4 obs
● 2017-07-05 10:43:26
○ 2026-06-04 22:08:40
○ 2026-07-29 00:31:06
○MXmxbiz1.qq.com2015-06-07 → 2017-07-05 · 4 obs
● 2017-07-05 10:43:26
○ 2026-06-04 22:08:40
○ 2026-07-29 00:31:06
○MXmxbiz2.qq.com2015-06-07 → 2017-07-05 · 4 obs
● 2017-07-05 10:43:26
○ 2026-06-04 22:08:40
○ 2026-07-29 00:31:06
●MXmxn.mxhichina.com2026-06-04 → 2026-07-29 · 3 obs
● 2026-06-04 22:08:40
● 2026-07-29 00:31:06
○A111.221.108.962016-01-04 → 2016-08-08 · 5 obs
● 2016-01-04 01:26:32
● 2016-08-08 22:23:42
○ 2017-07-05 10:43:26
○ 2026-07-29 00:31:06
○A162.221.6.132017-07-05 → 2017-07-05 · 4 obs
● 2017-07-05 10:43:26
○ 2026-06-04 22:08:40
○ 2026-07-29 00:31:06
○A174.128.228.1002015-06-07 → 2015-06-07 · 3 obs
○ 2016-01-04 01:26:32
○ 2026-07-29 00:31:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, a.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net... | - |
| gdct56.com | ns1.nowcndns.com, ns2.nowcndns.com | 6 records |
✅ Authoritative Response
Server:1.193.216.204
NS records: ns1.nowcndns.com, ns2.nowcndns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for gdct56.com (unsigned zone)
⏱️ Timing
Total: 734ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.nowcndns.com, ns2.nowcndns.com |
| MX | 1 | mxn.mxhichina.com (pri: 5) |
| TXT | 1 | v=spf1 include:spf.qiye.aliyun.com -all |
| SOA | 1 | ns1.nowcndns.com admin.nowcndns.com |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns1.nowcndns.com, ns1.nowcndns.com, ns1.nowcndns.com...)
Analysis
Name Servers
Two name servers handle the delegation for gdct56.com: ns1.nowcndns.com and ns2.nowcndns.com.
gdct56.com has the same name server delegation as a number of other domains, such as szccdc.com.cn, brandsky.cn, wealthroll.com.cn and two more.
ns1.nowcndns.com and ns2.nowcndns.com each resolve to three IP addresses. ns1.nowcndns.com resolves to 1.193.216.204, 218.98.111.129 and 218.98.111.138. ns2.nowcndns.com resolves to 61.158.128.11, 183.253.57.202 and 211.99.99.38.
Mail Servers
gdct56.com routes its mail through a single mail server, mxn.mxhichina.com.
gdct56.com has the same mail server arrangement as a number of other domains, for example megapl.com, jonby.cn, sh-haozhi.com and two more.
gdct56.com shares at least some of its mail servers with other domains — for example hzsyco.com, lookware.net, rundare.com and two more.
It is common to find these mail servers paired with the mail servers mxw.mxhichina.com.
mxn.mxhichina.com points to two IP addresses: 47.246.136.231 and 47.246.137.47.