`491sf.com`

DNSSEC	⚠️ Not signed
A	156.250.230.4^{🇿🇦 POWERLINE-HK156.250.128.0/17 Digital Core Technology Co., Ltd}
NS	`ns7.alidns.com` ⭐
		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	`ns8.alidns.com`
		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,}
SOA	`ns7.alidns.com`hostmaster@hichina.com 2026-01-09 #13

`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=1774584207

Same first word

491sf.com

Similar names

sf491.com

sf941.com

941sf.com

419sf.com

DNS History

22 records (3 active, 19 former)

○NSdns1.iidns.com2015-12-22 → 2015-12-22 · 3 obs

● 2015-12-22 16:05:48
○ 2016-11-20 06:37:16
○ 2026-03-27 04:07:46

○NSdns2.iidns.com2015-12-22 → 2015-12-22 · 3 obs

● 2015-12-22 16:05:48
○ 2016-11-20 06:37:16
○ 2026-03-27 04:07:46

○NSdns3.iidns.com2015-12-22 → 2015-12-22 · 3 obs

● 2015-12-22 16:05:48
○ 2016-11-20 06:37:16
○ 2026-03-27 04:07:46

○NSdns4.iidns.com2015-12-22 → 2015-12-22 · 3 obs

● 2015-12-22 16:05:48
○ 2016-11-20 06:37:16
○ 2026-03-27 04:07:46

○NSdns5.iidns.com2015-12-22 → 2015-12-22 · 3 obs

● 2015-12-22 16:05:48
○ 2016-11-20 06:37:16
○ 2026-03-27 04:07:46

○NSdns6.iidns.com2015-12-22 → 2015-12-22 · 3 obs

● 2015-12-22 16:05:48
○ 2016-11-20 06:37:16
○ 2026-03-27 04:07:46

○NSns1650.ztomy.com2016-11-20 → 2016-11-20 · 4 obs

○ 2015-12-22 16:05:48
● 2016-11-20 06:37:16
○ 2026-03-20 02:20:32
○ 2026-03-27 04:07:46

○NSns2650.ztomy.com2016-11-20 → 2016-11-20 · 4 obs

○ 2015-12-22 16:05:48
● 2016-11-20 06:37:16
○ 2026-03-20 02:20:32
○ 2026-03-27 04:07:46

●NSns7.alidns.com2026-03-20 → 2026-03-27 · 3 obs

○ 2016-11-20 06:37:16
● 2026-03-20 02:20:32
● 2026-03-27 04:07:46

●NSns8.alidns.com2026-03-20 → 2026-03-27 · 3 obs

○ 2016-11-20 06:37:16
● 2026-03-20 02:20:32
● 2026-03-27 04:07:46

○A118.26.116.1602015-12-22 → 2015-12-22 · 4 obs

○ 2015-08-21 17:19:40
● 2015-12-22 16:05:48
○ 2016-03-27 16:36:50
○ 2026-03-27 04:07:46

●A156.250.230.42026-03-20 → 2026-03-27 · 3 obs

○ 2017-08-21 15:11:46
● 2026-03-20 02:20:32
● 2026-03-27 04:07:46

○A159.106.121.752015-08-21 → 2015-08-21 · 3 obs

● 2015-08-21 17:19:40
○ 2017-08-21 15:11:46
○ 2026-03-27 04:07:46

○A200:2:253d:369e::2017-08-21 → 2017-08-21 · 4 obs

○ 2016-11-20 06:37:16
● 2017-08-21 15:11:46
○ 2026-03-20 02:20:32
○ 2026-03-27 04:07:46

○A200:2:cb62:741::2017-08-21 → 2017-08-21 · 4 obs

○ 2016-11-20 06:37:16
● 2017-08-21 15:11:46
○ 2026-03-20 02:20:32
○ 2026-03-27 04:07:46

○A204.11.56.502016-11-20 → 2016-11-20 · 4 obs

○ 2016-03-27 16:36:50
● 2016-11-20 06:37:16
○ 2017-08-21 15:11:46
○ 2026-03-27 04:07:46

○A243.185.187.392017-08-21 → 2017-08-21 · 4 obs

○ 2016-11-20 06:37:16
● 2017-08-21 15:11:46
○ 2026-03-20 02:20:32
○ 2026-03-27 04:07:46

○A46.82.174.682017-08-21 → 2017-08-21 · 4 obs

○ 2016-11-20 06:37:16
● 2017-08-21 15:11:46
○ 2026-03-20 02:20:32
○ 2026-03-27 04:07:46

○A61.160.212.422017-08-21 → 2017-08-21 · 4 obs

○ 2016-11-20 06:37:16
● 2017-08-21 15:11:46
○ 2026-03-20 02:20:32
○ 2026-03-27 04:07:46

○A8.7.198.452015-08-21 → 2015-08-21 · 3 obs

● 2015-08-21 17:19:40
○ 2017-08-21 15:11:46
○ 2026-03-27 04:07:46

○A93.46.8.892015-08-21 → 2017-08-21 · 4 obs

● 2015-08-21 17:19:40
● 2017-08-21 15:11:46
○ 2026-03-20 02:20:32
○ 2026-03-27 04:07:46

○PTRns1650.ztomy.com2016-11-20 → 2016-11-20 · 3 obs

● 2016-11-20 06:37:16
○ 2026-03-20 02:20:32
○ 2026-03-27 04:07:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net, a.gtld-servers.net...	-
491sf.com	ns7.alidns.com, ns8.alidns.com	18 records

✅ Authoritative Response

Server:120.76.107.47

NS records: ns7.alidns.com, ns8.alidns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 491sf.com (unsigned zone)

⏱️ Timing

Total: 720ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`156.250.230.4`
NS	2	`ns8.alidns.com, ns7.alidns.com`
SOA	1	`ns7.alidns.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (ns7.alidns.com, ns7.alidns.com, ns7.alidns.com...)

Analysis

IP Addresses

491sf.com points to a single IP: 156.250.230.4.

Other host names such as wrcxj.com and 944(0x787878).com share IP numbers with 491sf.com.

Name Servers

491sf.com's delegation is to two name servers ns7.alidns.com and ns8.alidns.com.

491sf.com shares the same name server configuration as other domains, such as rewnat.xyz, profirst.biz, qxc1.cc, 1b61783f2f8eca14.com and jaaucob.xyz.

491sf.com at least partially shares its name servers with other domains, for instance workland.us, znjxgroup.com, google387.com, mass-paytollbyh.world and rzf.us.

these name servers are commonly used together with expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com and ns2.alidns.com.

Host names with nine IP numbers: ns7.alidns.com points to 2408:4009:501::3, 39.96.153.47, 39.96.153.57, 47.118.199.207, 47.118.199.217, 120.76.107.47, 120.76.107.57, 139.224.142.117 and 139.224.142.127; ns8.alidns.com points to 2408:4009:501::4, 39.96.153.48, 39.96.153.58, 47.118.199.208, 47.118.199.218, 120.76.107.48, 120.76.107.58, 139.224.142.101 and 139.224.142.118.

491sf.com - robtex.com

491sf.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`491sf.com`

`com`