`isi-cn.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:d3de^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::6815:55e2^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.85.226^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.211.222^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`josephine.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2640^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josephine.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c240^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`josephine.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2240^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`josephine.ns.cloudflare.com`
		A	108.162.194.64^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josephine.ns.cloudflare.com`
		A	162.159.38.64^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josephine.ns.cloudflare.com`
		A	172.64.34.64^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josephine.ns.cloudflare.com`
NS	`ram.ns.cloudflare.com`
		A	2606:4700:58::adf5:3be1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ram.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1e1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ram.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21e1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ram.ns.cloudflare.com`
		A	108.162.193.225^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ram.ns.cloudflare.com`
		A	172.64.33.225^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ram.ns.cloudflare.com`
		A	173.245.59.225^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ram.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.85.226, 172.67.211.222
		IPv6	2606:4700:3030::ac43:d3de, 2606:4700:3032::6815:55e2
SOA	`josephine.ns.cloudflare.com`dns@cloudflare.com serial=2399576044

`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=1774613327

⚠️ On DNS blocklist: tif

Previously MX for

www.isi-cn.com

isi-cn.com

Subdomains

www.isi-cn.com

Same first word

isi-cn.com

Similar names

inc-is.com

iis-nc.com

is-inc.biz

csi-ni.com

sic-in.com

is-inc.com

cis-in.com

is-inc.jp

ics-ni.com

niis-c.ru

si-inc.com

sin-ci.com

is-inc.us

ics-in.com

DNS History

19 records (6 active, 13 former)

○NSf1g1ns1.dnspod.net2015-08-17 → 2015-11-02 · 4 obs

● 2015-08-17 06:01:06
● 2015-11-02 13:21:28
○ 2016-04-17 14:29:18
○ 2026-03-27 12:31:22

○NSf1g1ns2.dnspod.net2015-08-17 → 2015-11-02 · 4 obs

● 2015-08-17 06:01:06
● 2015-11-02 13:21:28
○ 2016-04-17 14:29:18
○ 2026-03-27 12:31:22

●NSjosephine.ns.cloudflare.com2026-03-23 → 2026-03-27 · 3 obs

○ 2017-01-10 02:00:10
● 2026-03-23 03:27:28
● 2026-03-27 12:31:22

○NSns1.ndx20.com2016-04-17 → 2016-06-03 · 5 obs

○ 2015-11-02 13:21:28
● 2016-04-17 14:29:18
● 2016-06-03 23:32:06
○ 2016-08-03 09:40:56
○ 2026-03-27 12:31:22

○NSns2.ndx20.com2016-04-17 → 2016-06-03 · 5 obs

○ 2015-11-02 13:21:28
● 2016-04-17 14:29:18
● 2016-06-03 23:32:06
○ 2016-08-03 09:40:56
○ 2026-03-27 12:31:22

●NSram.ns.cloudflare.com2026-03-23 → 2026-03-27 · 3 obs

○ 2017-01-10 02:00:10
● 2026-03-23 03:27:28
● 2026-03-27 12:31:22

○NSusvps1.ns1.completeseopromotion.com2016-08-03 → 2017-01-10 · 5 obs

○ 2016-06-03 23:32:06
● 2016-08-03 09:40:56
● 2017-01-10 02:00:10
○ 2026-03-23 03:27:28
○ 2026-03-27 12:31:22

○NSusvps1.ns2.completeseopromotion.com2016-08-03 → 2017-01-10 · 5 obs

○ 2016-06-03 23:32:06
● 2016-08-03 09:40:56
● 2017-01-10 02:00:10
○ 2026-03-23 03:27:28
○ 2026-03-27 12:31:22

○MXisi-cn.com2016-04-17 → 2017-01-10 · 5 obs

○ 2015-11-02 13:21:28
● 2016-04-17 14:29:18
● 2017-01-10 02:00:10
○ 2026-03-23 03:27:28
○ 2026-03-27 12:31:22

○MXmxbiz1.qq.com2015-08-17 → 2015-11-02 · 4 obs

● 2015-08-17 06:01:06
● 2015-11-02 13:21:28
○ 2016-04-17 14:29:18
○ 2026-03-27 12:31:22

○MXmxbiz2.qq.com2015-08-17 → 2015-11-02 · 4 obs

● 2015-08-17 06:01:06
● 2015-11-02 13:21:28
○ 2016-04-17 14:29:18
○ 2026-03-27 12:31:22

●A104.21.85.2262026-03-23 → 2026-03-27 · 3 obs

○ 2017-01-10 02:00:10
● 2026-03-23 03:27:28
● 2026-03-27 12:31:22

○A127.0.0.12016-01-05 → 2016-01-29 · 5 obs

○ 2015-11-02 13:21:28
● 2016-01-05 17:44:34
● 2016-01-29 03:27:08
○ 2016-04-17 14:29:18
○ 2026-03-27 12:31:22

○A148.163.88.2332016-08-03 → 2017-01-10 · 5 obs

○ 2016-06-03 23:32:06
● 2016-08-03 09:40:56
● 2017-01-10 02:00:10
○ 2026-03-23 03:27:28
○ 2026-03-27 12:31:22

●A172.67.211.2222026-03-23 → 2026-03-27 · 3 obs

○ 2017-01-10 02:00:10
● 2026-03-23 03:27:28
● 2026-03-27 12:31:22

○A192.151.148.2202015-08-17 → 2015-11-02 · 4 obs

● 2015-08-17 06:01:06
● 2015-11-02 13:21:28
○ 2016-01-05 17:44:34
○ 2026-03-27 12:31:22

●A2606:4700:3030::ac43:d3de2026-03-23 → 2026-03-27 · 3 obs

○ 2017-01-10 02:00:10
● 2026-03-23 03:27:28
● 2026-03-27 12:31:22

●A2606:4700:3032::6815:55e22026-03-23 → 2026-03-27 · 3 obs

○ 2017-01-10 02:00:10
● 2026-03-23 03:27:28
● 2026-03-27 12:31:22

○A50.23.85.1682016-04-17 → 2016-06-03 · 5 obs

○ 2016-01-29 03:27:08
● 2016-04-17 14:29:18
● 2016-06-03 23:32:06
○ 2016-08-03 09:40:56
○ 2026-03-27 12:31:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
isi-cn.com	ram.ns.cloudflare.com, josephine.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:172.64.33.225

NS records: ram.ns.cloudflare.com, josephine.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for isi-cn.com (unsigned zone)

⏱️ Timing

Total: 148ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.211.222, 104.21.85.226`
AAAA	2	`2606:4700:3030::ac43:d3de, 2606:4700:3032::6815:55e2`
NS	2	`josephine.ns.cloudflare.com, ram.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`josephine.ns.cloudflare.com dns.cloudfla`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ram.ns.cloudflare.com, ram.ns.cloudflare.com, ram.ns.cloudflare.com...)

Analysis

Hierarchy

The parent of www.isi-cn.com is isi-cn.com.

IP Addresses

isi-cn.com maps to four IP numbers: 2606:4700:3030::ac43:d3de, 2606:4700:3032::6815:55e2, 104.21.85.226 and 172.67.211.222.

Other host names such as tomsfield.com, cards.deals, fenamizah.com, smtp.carbonevicenzi.com and tacomaautorepair.net share IPs with isi-cn.com.

Name Servers

Two name servers josephine.ns.cloudflare.com and ram.ns.cloudflare.com handle the delegation for isi-cn.com.

isi-cn.com shares the same name server setup as other domains, for example fangyi-youdao.com, win-i4.com, sovgou.com, thainabox.com.au and of-kuallian.com.

isi-cn.com at least partially shares name servers with other domains, for example bifolddoors.london, thehairypill.com.au, unicity.uz, ftrk.info and cn-zyw.net.

These name servers are often used together with ned.ns.cloudflare.com and dion.ns.cloudflare.com.

Host names with six IP numbers:

josephine.ns.cloudflare.com points to 2606:4700:50::a29f:2640, 2803:f800:50::6ca2:c240, 2a06:98c1:50::ac40:2240, 108.162.194.64, 162.159.38.64 and 172.64.34.64.

ram.ns.cloudflare.com points to 2606:4700:58::adf5:3be1, 2803:f800:50::6ca2:c1e1, 2a06:98c1:50::ac40:21e1, 108.162.193.225, 172.64.33.225 and 173.245.59.225.

isi-cn.com - robtex.com

isi-cn.com

com

Previously MX for

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

`isi-cn.com`

`com`