`jf-build.com`

DNSSEC	⚠️ Not signed
NS	`ns1.alidns.com` ⭐
		A	2408:4009:501::1^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.45^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-45.defastlink.net`
		A	39.96.153.55^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-55.defastlink.net`
		A	47.118.199.205^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-205.defastlink.net`
		A	47.118.199.215^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-215.defastlink.net`
		A	120.76.107.45^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-45.defastlink.net`
		A	120.76.107.55^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-55.defastlink.net`
		A	139.224.142.115^{🇨🇳 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,}
			PTR	`ip-139-224-142-115.defastlink.net`
		A	139.224.142.125^{🇨🇳 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,}
			PTR	`ip-139-224-142-125.defastlink.net`
NS	`ns2.alidns.com`
		A	2408:4009:501::2^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.46^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-46.defastlink.net`
		A	39.96.153.56^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-56.defastlink.net`
		A	47.118.199.206^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-206.defastlink.net`
		A	47.118.199.216^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-216.defastlink.net`
		A	120.76.107.46^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-46.defastlink.net`
		A	120.76.107.56^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-56.defastlink.net`
		A	139.224.142.116^{🇨🇳 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,}
			PTR	`ip-139-224-142-116.defastlink.net`
		A	139.224.142.126^{🇨🇳 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,}
			PTR	`ip-139-224-142-126.defastlink.net`
SOA	`ns1.alidns.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=1771291435

Same first word

jf-build.com

jf-build.net

DNS History

6 records (2 active, 4 former)

●NSns1.alidns.com2026-02-16 → 2026-03-23 · 3 obs

○ 2017-10-22 13:53:52
● 2026-02-16 01:11:30
● 2026-03-23 01:04:40

●NSns2.alidns.com2026-02-16 → 2026-03-23 · 3 obs

○ 2017-10-22 13:53:52
● 2026-02-16 01:11:30
● 2026-03-23 01:04:40

○NSns73.domaincontrol.com2016-12-19 → 2017-10-22 · 4 obs

● 2016-12-19 21:46:04
● 2017-10-22 13:53:52
○ 2026-02-16 01:11:30
○ 2026-03-23 01:04:40

○NSns74.domaincontrol.com2016-12-19 → 2017-10-22 · 4 obs

● 2016-12-19 21:46:04
● 2017-10-22 13:53:52
○ 2026-02-16 01:11:30
○ 2026-03-23 01:04:40

○MXjfbuild-com0e.mail.protection.outlook.com2016-12-19 → 2026-02-16 · 4 obs

● 2016-12-19 21:46:04
● 2026-02-16 01:11:30
○ 2026-02-23 03:31:22
○ 2026-03-23 01:04:40

○A50.63.202.372016-12-19 → 2026-02-16 · 4 obs

● 2016-12-19 21:46:04
● 2026-02-16 01:11:30
○ 2026-02-23 03:31:22
○ 2026-03-23 01:04:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
jf-build.com	ns1.alidns.com, ns2.alidns.com	18 records

✅ Authoritative Response

Server:120.76.107.46

NS records: ns1.alidns.com, ns2.alidns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jf-build.com (unsigned zone)

⏱️ Timing

Total: 1545ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns2.alidns.com, ns1.alidns.com`
SOA	1	`ns1.alidns.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (ns1.alidns.com, ns1.alidns.com, ns1.alidns.com...)

Analysis

Name Servers

jf-build.com's delegation uses two name servers, ns1.alidns.com and ns2.alidns.com.

jf-build.com shares the same name server setup as other domains, for example okbusy.com, 438a2f4fe10311.beer, wjisc.net, taiwon.com and wwwmy56777.com.

jf-build.com at least partially shares name servers with other domains, including 07290.com, sname.net, gies.cn, 12440.my and fanglianw.com.

these name servers are commonly used with ns7.alidns.com, ns8.alidns.com, dns27.hichina.com and dns28.hichina.com.

ns1.alidns.com points to: 2408:4009:501::1, 39.96.153.45, 39.96.153.55, 47.118.199.205, 47.118.199.215, 120.76.107.45, 120.76.107.55, 139.224.142.115 and 139.224.142.125.

ns2.alidns.com points to: 2408:4009:501::2, 39.96.153.46, 39.96.153.56, 47.118.199.206, 47.118.199.216, 120.76.107.46, 120.76.107.56, 139.224.142.116 and 139.224.142.126.

jf-build.com - robtex.com

jf-build.com

com