gdysct.com - robtex.com

gdysct.com

DNSSEC⚠️ Not signed
A47.75.192.200🇭🇰 Alibaba-Cloud47.75.128.0/17 Proxy-registered route object
NSdns21.hichina.com ⭐
A2408:4009:501::29🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.40🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.60🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.200🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.220🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.40🇨🇳 Alibaba-Cloud120.76.0.0/17
A120.76.107.60🇨🇳 Alibaba-Cloud120.76.0.0/17
A139.224.142.100🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
A139.224.142.110🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
NSdns22.hichina.com
A2408:4009:501::30🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.38🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.61🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.198🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.222🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.38🇨🇳 Alibaba-Cloud120.76.0.0/17
A120.76.107.61🇨🇳 Alibaba-Cloud120.76.0.0/17
A139.224.142.98🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
A139.224.142.108🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
MXmxbiz1.qq.com ⭐
MXmxbiz2.qq.com(10)
TXTv=spf1 include:spf.mail.qq.com ~all
SOAdns21.hichina.comhostmaster@hichina.com 2026-01-09 #13

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1784695452

Same first word

gdysct.com

Similar names

gdcyts.com
cytsgd.com
cdgtsy.com
gdcyts.net
sgtcyd.com
sydgct.com
gdscyt.com
tysdgc.com
cdgtsy.com.cn
cytsgd.cn
gdytsc.com
cdsygt.com
sdtygc.com
dtycgs.cn
gdcsyt.com
cdgtsy.cn
cdtsgy.com
gstydc.com
gdstcy.com
scdygt.com
cdsgty.com
gdstyc.com
sdctyg.com
gdctsy.com
dgsytc.com
dgtcys.com
ycstdg.com

DNS History

6 records (5 active, 1 former)

20162017201820192020202120222023202420252026NSdns21.hichina.comdns22.hichina.comMXmxbiz1.qq.commxbiz2.qq.comA47.75.192.200183.129.194.249
●NSdns21.hichina.com2015-07-06 → 2026-07-22 · 2 obs
● 2015-07-06 23:56:04
● 2026-07-22 05:02:46
●NSdns22.hichina.com2015-07-06 → 2026-07-22 · 2 obs
● 2015-07-06 23:56:04
● 2026-07-22 05:02:46
●MXmxbiz1.qq.com2015-07-06 → 2026-07-22 · 2 obs
● 2015-07-06 23:56:04
● 2026-07-22 05:02:46
●MXmxbiz2.qq.com2015-07-06 → 2026-07-22 · 2 obs
● 2015-07-06 23:56:04
● 2026-07-22 05:02:46
○A183.129.194.2492015-07-06 → 2017-04-02 · 4 obs
● 2015-07-06 23:56:04
● 2017-04-02 11:04:14
○ 2026-04-09 00:32:22
○ 2026-07-22 05:02:46
●A47.75.192.2002026-04-09 → 2026-07-22 · 3 obs
○ 2017-04-02 11:04:14
● 2026-04-09 00:32:22
● 2026-07-22 05:02:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
gdysct.comdns21.hichina.com, dns22.hichina.com18 records

✅ Authoritative Response

Server:120.76.107.40

NS records: dns21.hichina.com, dns22.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gdysct.com (unsigned zone)

⏱️ Timing

Total: 705ms | Queries: -

📄 Records

TypeCountSample Data
A147.75.192.200
NS2dns22.hichina.com, dns21.hichina.com
MX2mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10)
TXT1v=spf1 include:spf.mail.qq.com ~all
SOA1dns21.hichina.com hostmaster.hichina.com

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns21.hichina.com, dns21.hichina.com, dns21.hichina.com...)

Analysis

IP Addresses

gdysct.com points to a single IP number: 47.75.192.200.

Other host names share IP numbers with gdysct.com; jgtzz.com is one such example.

Name Servers

gdysct.com is served by two delegated name servers, dns21.hichina.com and dns22.hichina.com.

gdysct.com shares its name server setup with other domains, including 0101718.com, bl82.cn, gasketvip.com and two others.

gdysct.com shares at least some of its name servers with other domains, including embsw.com, tobtop.com, lingnantech.com and two others.

Host names with 9 IP numbers:

dns21.hichina.com carries IP addresses 39.96.153.40, 39.96.153.60 and 47.118.199.200, with 6 other addresses beyond those.

dns22.hichina.com carries IP addresses 39.96.153.38, 39.96.153.61 and 47.118.199.198, with 6 other addresses beyond those.

Mail Servers

gdysct.com has two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.

gdysct.com shares the same mail server setup as other domains, including e75.cn, cha1024.com, hengyiamc.com and two others.

gdysct.com shares mail servers — at least in part — with other domains, including zhiyuanhe.cn, hnzhouyi.com, quatm.com and two others.