rtcrtc.com - robtex.com

rtcrtc.com

DNSSEC⚠️ Not signed
NSdns15.hichina.com ⭐
A2408:4009:501::23🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.42🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.52🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.202🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.212🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.42🇨🇳 Alibaba-Cloud120.76.0.0/17
A120.76.107.52🇨🇳 Alibaba-Cloud120.76.0.0/17
A139.224.142.112🇨🇳 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,
A139.224.142.122🇨🇳 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,
NSdns16.hichina.com
A2408:4009:501::24🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.41🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.51🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.201🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.211🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.41🇨🇳 Alibaba-Cloud120.76.0.0/17
A120.76.107.51🇨🇳 Alibaba-Cloud120.76.0.0/17
A139.224.142.111🇨🇳 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,
A139.224.142.121🇨🇳 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,
MXmx1.feishu.cn ⭐
A52.220.106.220🇸🇬 Amazon52.220.0.0/15 SIN prefix
PTRec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com
MXmx2.feishu.cn(5)
A101.126.58.225🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
A122.14.229.0🇨🇳 CHINAMOBILE-CN122.14.224.0/20
MXmx3.feishu.cn(10)
A52.220.106.220🇸🇬 Amazon52.220.0.0/15 SIN prefix
PTRec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com
A101.126.58.225🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
A122.14.229.0🇨🇳 CHINAMOBILE-CN122.14.224.0/20
TXTverification-code-site-App_feishu=fd4ILhQsAs8XVcTqefYx
TXTgoogle-site-verification=MlrvvVXm9b95UXkDfiPXHN6qeFjylS(0x533378)l29u1fyhVM
TXTv=spf1 +include:_netblocks.m.feishu.cn -all
SOAdns15.hichina.comhostmaster@hichina.com 2026-01-12 #9

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=1786429219

Same first word

rtcrtc.com

Similar names

trctrc.com

DNS History

8 records (5 active, 3 former)

2017201820192020202120222023202420252026NSdns15.hichina.comdns16.hichina.comexpirens3.hichina.comexpirens4.hichina.comMXmx1.feishu.cnmx2.feishu.cnmx3.feishu.cnA47.89.58.141
●NSdns15.hichina.com2026-07-19 → 2026-08-11 · 3 obs
○ 2017-07-03 06:07:48
● 2026-07-19 05:37:18
● 2026-08-11 06:45:34
●NSdns16.hichina.com2026-07-19 → 2026-08-11 · 3 obs
○ 2017-07-03 06:07:48
● 2026-07-19 05:37:18
● 2026-08-11 06:45:34
○NSexpirens3.hichina.com2016-12-16 → 2016-12-16 · 3 obs
● 2016-12-16 01:21:14
○ 2017-07-03 06:07:48
○ 2026-08-11 06:45:34
○NSexpirens4.hichina.com2016-12-16 → 2016-12-16 · 3 obs
● 2016-12-16 01:21:14
○ 2017-07-03 06:07:48
○ 2026-08-11 06:45:34
●MXmx1.feishu.cn2026-07-19 → 2026-08-11 · 2 obs
● 2026-07-19 05:37:18
● 2026-08-11 06:45:34
●MXmx2.feishu.cn2026-07-19 → 2026-08-11 · 2 obs
● 2026-07-19 05:37:18
● 2026-08-11 06:45:34
●MXmx3.feishu.cn2026-07-19 → 2026-08-11 · 2 obs
● 2026-07-19 05:37:18
● 2026-08-11 06:45:34
○A47.89.58.1412016-12-16 → 2016-12-16 · 3 obs
● 2016-12-16 01:21:14
○ 2017-07-03 06:07:48
○ 2026-08-11 06:45:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
rtcrtc.comdns15.hichina.com, dns16.hichina.com18 records

✅ Authoritative Response

Server:120.76.107.42

NS records: dns15.hichina.com, dns16.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rtcrtc.com (unsigned zone)

⏱️ Timing

Total: 3802ms | Queries: -

📄 Records

TypeCountSample Data
NS2dns15.hichina.com, dns16.hichina.com
MX3mx2.feishu.cn (pri: 5), mx3.feishu.cn (pri: 10)...
TXT3v=spf1 +include:_netblocks.m.feishu.cn -, google-site-verification=MlrvvVXm9b95UXk...
SOA1dns15.hichina.com hostmaster.hichina.com

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns15.hichina.com, dns15.hichina.com, dns15.hichina.com...)

Analysis

Name Servers

rtcrtc.com has two authoritative name servers — dns15.hichina.com and dns16.hichina.com.

rtcrtc.com has the same name server delegation as a number of other domains, such as dhgn.cn, deif.com.cn, bestic.net and two more.

rtcrtc.com has at least partial name server overlap with other domains, such as hzjldz.cn, wantongqiche.com, ysszz.com and two others.

It is common to see these name servers used together with name servers expirens3.hichina.com and expirens4.hichina.com.

Host names resolving to 9 IP numbers:

dns15.hichina.com points to 39.96.153.42, 39.96.153.52, 47.118.199.202 and 6 other IP addresses.

dns16.hichina.com points to 39.96.153.41, 39.96.153.51, 47.118.199.201 and 6 other IP addresses.

Mail Servers

rtcrtc.com has three mail servers: mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.

rtcrtc.com shares at least some of its mail servers with other domains — for example fbrq.com, leonseo.com, lianjie.info and two more.

Hosts with three IP address records:

mx3.feishu.cn resolves to 52.220.106.220, 101.126.58.225 and 122.14.229.0.

Hosts with two IP numbers each:

mx2.feishu.cn resolves to 101.126.58.225 and 122.14.229.0.

Hosts that resolve to one IP address:

mx1.feishu.cn resolves to 52.220.106.220.

The host names mx3.feishu.cn and mx1.feishu.cn both resolve to 52.220.106.220 IP addresses.

The host names mx3.feishu.cn and mx2.feishu.cn both resolve to 101.126.58.225 IP addresses.

The host names mx3.feishu.cn and mx2.feishu.cn both resolve to 122.14.229.0 IP addresses.