`lefng.com`

DNSSEC	⚠️ Not signed
NS	`dns31.hichina.com` ⭐
		A	2408:4009:501::39^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.39^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.59^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.199^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.219^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.39^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.59^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.99^{🇨🇳 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	139.224.142.109^{🇨🇳 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	`dns32.hichina.com`
		A	2408:4009:501::40^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.37^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.62^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.197^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.221^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.37^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.62^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.102^{🇨🇳 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	139.224.142.107^{🇨🇳 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	`verification-code-site-App_feishu=NxmPWp9VkymX5IbF4EDW`
TXT	`v=spf1 +include:_netblocks.m.feishu.cn -all`
SOA	`dns31.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`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=1785907074

Same first word

lefng.com

Similar names

fleng.eu

lfeng.org

lfeng.cn

flnge.com

fleng.net

fleng.dk

fleng.org

fengl.cc

lengf.com

lfeng.com.cn

DNS History

11 records (5 active, 6 former)

●NSdns31.hichina.com2026-06-21 → 2026-08-05 · 3 obs

○ 2019-12-26 12:13:50
● 2026-06-21 16:27:32
● 2026-08-05 05:43:38

●NSdns32.hichina.com2026-06-21 → 2026-08-05 · 3 obs

○ 2019-12-26 12:13:50
● 2026-06-21 16:27:32
● 2026-08-05 05:43:38

○NSns1.dynadot.com2015-06-15 → 2015-11-05 · 4 obs

● 2015-06-15 15:22:50
● 2015-11-05 06:32:22
○ 2016-02-12 20:22:34
○ 2026-08-05 05:43:38

○NSns2.dynadot.com2015-06-15 → 2015-11-05 · 4 obs

● 2015-06-15 15:22:50
● 2015-11-05 06:32:22
○ 2016-02-12 20:22:34
○ 2026-08-05 05:43:38

○NSns21.ixwebhosting.com2016-02-12 → 2016-05-05 · 5 obs

○ 2015-11-05 06:32:22
● 2016-02-12 20:22:34
● 2016-05-05 18:27:24
○ 2019-12-26 12:13:50
○ 2026-08-05 05:43:38

○NSns22.ixwebhosting.com2016-02-12 → 2016-05-05 · 5 obs

○ 2015-11-05 06:32:22
● 2016-02-12 20:22:34
● 2016-05-05 18:27:24
○ 2019-12-26 12:13:50
○ 2026-08-05 05:43:38

○MXmail1106.ixwebhosting.com2016-02-12 → 2016-05-05 · 4 obs

● 2016-02-12 20:22:34
● 2016-05-05 18:27:24
○ 2019-12-26 12:13:50
○ 2026-08-05 05:43:38

●MXmx1.feishu.cn2026-06-21 → 2026-08-05 · 3 obs

○ 2019-12-26 12:13:50
● 2026-06-21 16:27:32
● 2026-08-05 05:43:38

●MXmx2.feishu.cn2026-06-21 → 2026-08-05 · 3 obs

○ 2019-12-26 12:13:50
● 2026-06-21 16:27:32
● 2026-08-05 05:43:38

●MXmx3.feishu.cn2026-06-21 → 2026-08-05 · 3 obs

○ 2019-12-26 12:13:50
● 2026-06-21 16:27:32
● 2026-08-05 05:43:38

○A72.41.239.22015-06-15 → 2016-05-05 · 4 obs

● 2015-06-15 15:22:50
● 2016-05-05 18:27:24
○ 2019-12-26 12:13:50
○ 2026-08-05 05:43:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
lefng.com	dns31.hichina.com, dns32.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.39

NS records: dns31.hichina.com, dns32.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lefng.com (unsigned zone)

⏱️ Timing

Total: 3528ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns32.hichina.com, dns31.hichina.com`
MX	3	`mx3.feishu.cn (pri: 10), mx1.feishu.cn (pri: 1)...`
TXT	2	`v=spf1 +include:_netblocks.m.feishu.cn -, verification-code-site-App_feishu=NxmPWp`
SOA	1	`dns31.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns31.hichina.com, dns31.hichina.com, dns31.hichina.com...)

Analysis

Name Servers

lefng.com has two authoritative name servers — dns31.hichina.com and dns32.hichina.com.

lefng.com uses the same name servers as several other domains — among them gyssoft.com, neo-topia.com, guangdumuseum.com and two more.

There is at least partial name server overlap between lefng.com and other domains — fumeijia.net, joyspace.net, jggq.com and two more among them.

These name servers tend to appear in combination with the name servers ns1.alidns.com, ns2.alidns.com, ns1.uuns.com and ns2.uuns.com.

Hostnames that resolve to 9 IP addresses:

dns31.hichina.com points to 39.96.153.39, 39.96.153.59, 47.118.199.199 and 6 other IP addresses.

dns32.hichina.com points to 39.96.153.37, 39.96.153.62, 47.118.199.197 and 6 other IP addresses.

Mail Servers

Incoming mail for lefng.com is delivered via three mail servers: mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.

lefng.com has at least partial mail server overlap with other domains such as moonton.com, trieden.com, novreadtech.com and two more.

Hostnames that resolve to three IP addresses:

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

Hostnames that resolve to two IP addresses:

mx2.feishu.cn resolves to 101.126.58.225 and 122.14.229.0.

Hosts with just 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.

lefng.com - robtex.com

lefng.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Name Servers

Mail Servers

`lefng.com`

`com`