diffrobot.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`diffrobot.com`

DNSSEC	⚠️ Not signed
A	121.40.19.223^{🇨🇳 Alibaba-Cloud121.40.0.0/15}
NS	`dns19.hichina.com` ⭐
		A	2408:4009:501::27^{🇨🇳 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	`dns20.hichina.com`
		A	2408:4009:501::28^{🇨🇳 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,}
MX	`mx1.feishu.cn` ⭐
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
MX	`mx2.feishu.cn`⁽⁵⁾
		A	101.126.58.225^{🇨🇳 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,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
MX	`mx3.feishu.cn`⁽¹⁰⁾
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
		A	101.126.58.225^{🇨🇳 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,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
TXT	`v=spf1 +include:_netblocks.m.feishu.cn -all`
TXT	`verification-code-site-App_feishu=9BC7lk5zN15nvqKeK0ga`
SOA	`dns19.hichina.com`hostmaster@hichina.com 2026-08-26 #16

`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.net`nstld@verisign-grs.com serial=1790151074

Same first word

diffrobot.com

Previous names

Next names

DNS History

17 records (6 active, 11 former)

○NSdns1.registrar-servers.com2015-05-07 → 2015-05-07 · 3 obs

● 2015-05-07 00:03:00
○ 2015-09-24 00:43:40
○ 2026-09-23 08:22:32

●NSdns19.hichina.com2017-07-04 → 2026-09-23 · 3 obs

○ 2015-09-24 00:43:40
● 2017-07-04 08:01:36
● 2026-09-23 08:22:32

○NSdns2.registrar-servers.com2015-05-07 → 2015-05-07 · 3 obs

● 2015-05-07 00:03:00
○ 2015-09-24 00:43:40
○ 2026-09-23 08:22:32

●NSdns20.hichina.com2017-07-04 → 2026-09-23 · 3 obs

○ 2015-09-24 00:43:40
● 2017-07-04 08:01:36
● 2026-09-23 08:22:32

○NSdns3.registrar-servers.com2015-05-07 → 2015-05-07 · 3 obs

● 2015-05-07 00:03:00
○ 2015-09-24 00:43:40
○ 2026-09-23 08:22:32

○NSdns4.registrar-servers.com2015-05-07 → 2015-05-07 · 3 obs

● 2015-05-07 00:03:00
○ 2015-09-24 00:43:40
○ 2026-09-23 08:22:32

○NSdns5.registrar-servers.com2015-05-07 → 2015-05-07 · 3 obs

● 2015-05-07 00:03:00
○ 2015-09-24 00:43:40
○ 2026-09-23 08:22:32

○MXeforward1.registrar-servers.com2015-05-07 → 2015-05-07 · 3 obs

● 2015-05-07 00:03:00
○ 2015-09-24 00:43:40
○ 2026-09-23 08:22:32

○MXeforward2.registrar-servers.com2015-05-07 → 2015-05-07 · 3 obs

● 2015-05-07 00:03:00
○ 2015-09-24 00:43:40
○ 2026-09-23 08:22:32

○MXeforward3.registrar-servers.com2015-05-07 → 2015-05-07 · 3 obs

● 2015-05-07 00:03:00
○ 2015-09-24 00:43:40
○ 2026-09-23 08:22:32

○MXeforward4.registrar-servers.com2015-05-07 → 2015-05-07 · 3 obs

● 2015-05-07 00:03:00
○ 2015-09-24 00:43:40
○ 2026-09-23 08:22:32

○MXeforward5.registrar-servers.com2015-05-07 → 2015-05-07 · 3 obs

● 2015-05-07 00:03:00
○ 2015-09-24 00:43:40
○ 2026-09-23 08:22:32

●MXmx1.feishu.cn2026-09-08 → 2026-09-23 · 3 obs

○ 2015-09-24 00:43:40
● 2026-09-08 21:42:32
● 2026-09-23 08:22:32

●MXmx2.feishu.cn2026-09-08 → 2026-09-23 · 3 obs

○ 2015-09-24 00:43:40
● 2026-09-08 21:42:32
● 2026-09-23 08:22:32

●MXmx3.feishu.cn2026-09-08 → 2026-09-23 · 3 obs

○ 2015-09-24 00:43:40
● 2026-09-08 21:42:32
● 2026-09-23 08:22:32

○A104.131.151.292015-05-07 → 2015-05-07 · 3 obs

● 2015-05-07 00:03:00
○ 2015-09-24 00:43:40
○ 2026-09-23 08:22:32

●A121.40.19.2232026-09-08 → 2026-09-23 · 3 obs

○ 2015-09-24 00:43:40
● 2026-09-08 21:42:32
● 2026-09-23 08:22:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, l.gtld-servers.net, j.gtld-servers.net, f.gtld-servers.net...	-
diffrobot.com	dns19.hichina.com, dns20.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.38

NS records: dns19.hichina.com, dns20.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for diffrobot.com (unsigned zone)

⏱️ Timing

Total: 841ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`121.40.19.223`
NS	2	`dns20.hichina.com, dns19.hichina.com`
MX	3	`mx1.feishu.cn (pri: 1), mx2.feishu.cn (pri: 5)...`
TXT	2	`verification-code-site-App_feishu=9BC7lk, v=spf1 +include:_netblocks.m.feishu.cn -`
SOA	1	`dns19.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns19.hichina.com, dns19.hichina.com, dns19.hichina.com...)

Analysis

IP Addresses

diffrobot.com directs to one IP number, which is 121.40.19.223.

Among the host names that share IP numbers with diffrobot.com are ntc.cn, wekontech.com, 5elem.com and two others.

Name Servers

diffrobot.com is served by two delegated name servers, dns19.hichina.com and dns20.hichina.com.

diffrobot.com has the same name server delegation as a number of other domains, such as wuxiaoyuan.cn, haiguibaba.cn, sbwk.skin and two more.

diffrobot.com has at least partial name server overlap with other domains, such as akeeo.com, tunni.cn, csyg.org and two others.

It is common to find these name servers paired with the name servers ns1.alidns.com, ns2.alidns.com, expirens3.hichina.com and expirens4.hichina.com.

Host names resolving to 9 IP numbers:

dns19.hichina.com carries IP addresses 39.96.153.40, 39.96.153.60 and 47.118.199.200, with 6 other addresses beyond those.

dns20.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

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

diffrobot.com shares at least some of its mail servers with other domains — for example tatadada.com, litcave.co, axz.ai and two more.

Hosts with three IP address records:

mx3.feishu.cn resolves to three addresses: 52.220.106.220, 101.126.58.225 and 122.14.229.0.

Hosts with two IP numbers each:

mx2.feishu.cn maps to two IP addresses — 101.126.58.225 and 122.14.229.0.

Hosts that resolve to one IP address:

mx1.feishu.cn points to the IP address 52.220.106.220.

These two host names — mx3.feishu.cn and mx1.feishu.cn — each point to 52.220.106.220 IP addresses.

These two host names — mx3.feishu.cn and mx2.feishu.cn — each point to 101.126.58.225 IP addresses.

These two host names — mx3.feishu.cn and mx2.feishu.cn — each point to 122.14.229.0 IP addresses.