derdqc.com - robtex.com
derdqc.com
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=1771291435 | ||||||
Same first word
derdqc.com |
Similar names
DNS History
12 records (6 active, 6 former)
○NSce1.dns.com2020-02-23 → 2020-02-23 · 4 obs
● 2020-02-23 16:05:30
○ 2026-03-14 17:13:08
○ 2026-03-23 09:03:16
●NSce1.xincache.com2026-03-14 → 2026-03-23 · 3 obs
● 2026-03-14 17:13:08
● 2026-03-23 09:03:16
○NSce2.dns.com2020-02-23 → 2020-02-23 · 4 obs
● 2020-02-23 16:05:30
○ 2026-03-14 17:13:08
○ 2026-03-23 09:03:16
●NSce2.xincache.com2026-03-14 → 2026-03-23 · 3 obs
● 2026-03-14 17:13:08
● 2026-03-23 09:03:16
○NSns1.ce.net.cn2015-05-15 → 2017-03-18 · 4 obs
● 2017-03-18 07:02:46
○ 2020-02-23 16:05:30
○ 2026-03-23 09:03:16
●MXmx.zmail300.cn2015-05-15 → 2026-03-23 · 2 obs
● 2026-03-23 09:03:16
●MXmx1.zmail300.cn2015-05-15 → 2026-03-23 · 2 obs
● 2026-03-23 09:03:16
●A117.50.208.2292026-03-14 → 2026-03-23 · 3 obs
● 2026-03-14 17:13:08
● 2026-03-23 09:03:16
○A119.10.59.172016-07-17 → 2017-03-18 · 5 obs
● 2016-07-17 11:44:36
● 2017-03-18 07:02:46
○ 2020-02-23 16:05:30
○ 2026-03-23 09:03:16
○A122.14.200.932020-02-23 → 2020-02-23 · 4 obs
● 2020-02-23 16:05:30
○ 2026-03-14 17:13:08
○ 2026-03-23 09:03:16
○A183.60.188.2412015-05-15 → 2016-03-26 · 4 obs
● 2016-03-26 20:20:28
○ 2016-07-17 11:44:36
○ 2026-03-23 09:03:16
●A2401:be00:0:20::1c112026-03-14 → 2026-03-23 · 3 obs
● 2026-03-14 17:13:08
● 2026-03-23 09:03:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, c.gtld-servers.net, m.gtld-servers.net, g.gtld-servers.net... | - |
| derdqc.com | ce1.xincache.com, ce2.xincache.com | 9 records |
✅ Authoritative Response
Server:1.12.0.4
NS records: ce1.xincache.com, ce2.xincache.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for derdqc.com (unsigned zone)
⏱️ Timing
Total: 444ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 117.50.208.229 |
| AAAA | 1 | 2401:be00:0:20::1c11 |
| NS | 2 | ce2.xincache.com, ce1.xincache.com |
| MX | 2 | mx.zmail300.cn (pri: 5), mx1.zmail300.cn (pri: 50) |
| TXT | 1 | v=spf1 include:spf.163.com ~all |
| SOA | 1 | ce1.xincache.com enterprise1dnsadmin.dns |
📌 Glue Records Collected
Total: 9
Out-of-bailiwick: 9 (ce1.xincache.com, ce1.xincache.com, ce1.xincache.com...)
Analysis
IP Addresses
derdqc.com points to two IP numbers: 2401:be00:0:20::1c11 and 117.50.208.229.
Other host names, for instance jxdlkj.com, share IP numbers with derdqc.com.
Name Servers
Two name servers ce1.xincache.com and ce2.xincache.com handle the delegation for derdqc.com.
derdqc.com shares the same name server setup as other domains, for example yb-ccgy.com, sh-nengtai.com, chushang.gov.cn, jjxf.com.cn and qdhnhb.cn.
derdqc.com at least partially shares name servers with other domains, for example hl95.com, yzilyang.cn, richen-qd.cn, cn-lg.com and yuyao-shunli.com.
These name servers are often used together with ns11.xincache.com and f1g1ns1.dnspod.net.
Host names with seven IP numbers: ce1.xincache.com points to 2402:4e00:1470:2::e, 1.12.0.4, 112.80.181.45, 117.89.178.173, 117.135.128.235, 125.94.59.210 and 129.211.176.209.
Host names with six IP numbers: ce2.xincache.com points to 2402:4e00:111:fff::c, 1.12.0.1, 117.89.178.184, 117.135.128.235, 129.211.176.239 and 220.196.136.35.
Host names pointing to 117.135.128.235: ce1.xincache.com and ce2.xincache.com.
Mail Servers
Two mail servers handle derdqc.com: mx1.zmail300.cn and mx.zmail300.cn.
derdqc.com shares the same mail server setup as other domains, including fsyingtian.com, wlkangrui.com, ksjclt.com, vis-hot.com and tiegui.com.cn.
derdqc.com shares at least partially some mail servers with other domains, for instance topicn.com, yzsr.cn, goldluck.cc, hztools.cn and sf-ele.com.
these mail servers are commonly used with hwmx.zmail300.cn.
Host names with one IP number:
mx1.zmail300.cn points to 117.50.175.134; mx.zmail300.cn points to 101.237.133.34.