rtthread.org - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`rtthread.org`

DNSSEC	⚠️ Not signed
NS	`ns7.alidns.com` ⭐ ⚠️ Not in parent delegation
		A	2408:4009:501::3^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.47^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.57^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.207^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.217^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.47^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.57^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.117^{🇨🇳 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,}
		A	139.224.142.127^{🇨🇳 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,}
NS	`dns17.hichina.com` ⚠️ Not in zone NS records
		A	2408:4009:501::25^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.40^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.60^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.200^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.220^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.40^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.60^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.100^{🇨🇳 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,}
		A	139.224.142.110^{🇨🇳 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,}
NS	`dns18.hichina.com` ⚠️ Not in zone NS records
		A	2408:4009:501::26^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.38^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.61^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.198^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.222^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.38^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.61^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.98^{🇨🇳 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,}
		A	139.224.142.108^{🇨🇳 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,}
NS	`ns8.alidns.com` ⚠️ Not in parent delegation
		A	2408:4009:501::4^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.48^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.58^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.208^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.218^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.48^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.58^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.101^{🇨🇳 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,}
		A	139.224.142.118^{🇨🇳 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,}
MX	`mxbiz1.qq.com` ⭐
MX	`mxbiz2.qq.com`⁽¹⁰⁾
TXT	`v=spf1 a mx ip4:183.193.243.90 ip4:210.120.1.20 ~all`
SOA	`ns7.alidns.com`hostmaster@hichina.com 2026-01-12 #9

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1786956938

Same first word

rtthread.org

Similar names

traderth.com

thetradr.shop

DNS History

6 records (6 active, 0 former)

●NSdns17.hichina.com2026-03-26 → 2026-08-17 · 2 obs

● 2026-03-26 03:43:10
● 2026-08-17 09:19:48

●NSdns18.hichina.com2026-03-26 → 2026-08-17 · 2 obs

● 2026-03-26 03:43:10
● 2026-08-17 09:19:48

●NSns7.alidns.com2026-03-26 → 2026-08-17 · 2 obs

● 2026-03-26 03:43:10
● 2026-08-17 09:19:48

●NSns8.alidns.com2026-03-26 → 2026-08-17 · 2 obs

● 2026-03-26 03:43:10
● 2026-08-17 09:19:48

●MXmxbiz1.qq.com2026-03-26 → 2026-08-17 · 2 obs

● 2026-03-26 03:43:10
● 2026-08-17 09:19:48

●MXmxbiz2.qq.com2026-03-26 → 2026-08-17 · 2 obs

● 2026-03-26 03:43:10
● 2026-08-17 09:19:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
rtthread.org	dns18.hichina.com, dns17.hichina.com	-

✅ Authoritative Response

Server:39.96.153.40

NS records: dns18.hichina.com, dns17.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rtthread.org (unsigned zone)

⏱️ Timing

Total: 1249ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns7.alidns.com, ns8.alidns.com`
MX	2	`mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5)`
TXT	1	`v=spf1 a mx ip4:183.193.243.90 ip4:210.1`
SOA	1	`ns7.alidns.com hostmaster.hichina.com`

Analysis

Name Servers

Four name servers handle the delegation for rtthread.org: ns7.alidns.com, ns8.alidns.com, dns17.hichina.com and dns18.hichina.com.

The name servers of rtthread.org overlap at least partially with those of other domains — among them alago.co, w80ec507lw.pics, tjslz.com and two more.

These name servers commonly appear in delegations together with expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com and 3 other.

Hosts with 9 IP addresses each:

ns7.alidns.com maps to 39.96.153.47, 39.96.153.57, 47.118.199.207 and 6 additional IP addresses.

ns8.alidns.com maps to 39.96.153.48, 39.96.153.58, 47.118.199.208 and 6 additional IP addresses.

dns17.hichina.com maps to 39.96.153.40, 39.96.153.60, 47.118.199.200 and 6 additional IP addresses.

dns18.hichina.com maps to 39.96.153.38, 39.96.153.61, 47.118.199.198 and 6 additional IP addresses.

Mail Servers

rtthread.org uses two mail servers, mxbiz1.qq.com and mxbiz2.qq.com.

The mail server setup of rtthread.org matches that of other domains such as unaive.com, zjyz.com, yuwang.com and two others.

At least some of the mail servers used by rtthread.org are shared with other domains: pphaitun.com, ztwhhu-tw.asia, ztwhsy-tw.asia and two others among them.