`tcol.cn`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:38e^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:82cf^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.3.142^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.130.207^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`amy.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a65^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c065^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`amy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2065^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`amy.ns.cloudflare.com`
		A	108.162.192.101^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amy.ns.cloudflare.com`
		A	172.64.32.101^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amy.ns.cloudflare.com`
		A	173.245.58.101^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amy.ns.cloudflare.com`
NS	`garrett.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cc3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`garrett.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3c3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`garrett.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23c3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`garrett.ns.cloudflare.com`
		A	108.162.195.195^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`garrett.ns.cloudflare.com`
		A	162.159.44.195^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`garrett.ns.cloudflare.com`
		A	172.64.35.195^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`garrett.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.3.142, 172.67.130.207
		IPv6 hints	2606:4700:3031::6815:38e, 2606:4700:3037::ac43:82cf
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=136, name=cloudflare-ech.com
SOA	`amy.ns.cloudflare.com`dns@cloudflare.com serial=2410572577

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2035168832

Same first word

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ltco.ru

DNS History

25 records (6 active, 19 former)

●NSamy.ns.cloudflare.com2026-08-08 → 2026-08-11 · 3 obs

○ 2026-06-27 19:29:10
● 2026-08-08 04:33:58
● 2026-08-11 18:04:34

○NSdns1.iidns.com2015-11-22 → 2015-11-22 · 3 obs

● 2015-11-22 10:33:26
○ 2017-08-18 02:00:46
○ 2026-08-11 18:04:34

○NSdns2.iidns.com2015-11-22 → 2015-11-22 · 3 obs

● 2015-11-22 10:33:26
○ 2017-08-18 02:00:46
○ 2026-08-11 18:04:34

○NSdns3.iidns.com2015-11-22 → 2015-11-22 · 3 obs

● 2015-11-22 10:33:26
○ 2017-08-18 02:00:46
○ 2026-08-11 18:04:34

○NSdns4.iidns.com2015-11-22 → 2015-11-22 · 3 obs

● 2015-11-22 10:33:26
○ 2017-08-18 02:00:46
○ 2026-08-11 18:04:34

○NSdns5.iidns.com2015-11-22 → 2015-11-22 · 3 obs

● 2015-11-22 10:33:26
○ 2017-08-18 02:00:46
○ 2026-08-11 18:04:34

○NSdns6.iidns.com2015-11-22 → 2015-11-22 · 3 obs

● 2015-11-22 10:33:26
○ 2017-08-18 02:00:46
○ 2026-08-11 18:04:34

●NSgarrett.ns.cloudflare.com2026-08-08 → 2026-08-11 · 3 obs

○ 2026-06-27 19:29:10
● 2026-08-08 04:33:58
● 2026-08-11 18:04:34

○NShugh.ns.cloudflare.com2026-06-27 → 2026-06-27 · 4 obs

○ 2021-09-29 04:44:16
● 2026-06-27 19:29:10
○ 2026-08-08 04:33:58
○ 2026-08-11 18:04:34

○NSlia.ns.cloudflare.com2026-06-27 → 2026-06-27 · 4 obs

○ 2021-09-29 04:44:16
● 2026-06-27 19:29:10
○ 2026-08-08 04:33:58
○ 2026-08-11 18:04:34

○NSns3.dns.com2021-09-29 → 2021-09-29 · 4 obs

○ 2017-08-18 02:00:46
● 2021-09-29 04:44:16
○ 2026-06-27 19:29:10
○ 2026-08-11 18:04:34

○NSns4.dns.com2021-09-29 → 2021-09-29 · 4 obs

○ 2017-08-18 02:00:46
● 2021-09-29 04:44:16
○ 2026-06-27 19:29:10
○ 2026-08-11 18:04:34

●A104.21.3.1422026-06-27 → 2026-08-11 · 3 obs

○ 2021-09-29 04:44:16
● 2026-06-27 19:29:10
● 2026-08-11 18:04:34

○A107.167.19.682015-11-22 → 2015-11-22 · 4 obs

○ 2015-07-24 06:19:04
● 2015-11-22 10:33:26
○ 2021-09-29 04:44:16
○ 2026-08-11 18:04:34

○A107.167.19.692015-11-22 → 2015-11-22 · 4 obs

○ 2015-07-24 06:19:04
● 2015-11-22 10:33:26
○ 2021-09-29 04:44:16
○ 2026-08-11 18:04:34

○A107.167.19.702015-11-22 → 2015-11-22 · 4 obs

○ 2015-07-24 06:19:04
● 2015-11-22 10:33:26
○ 2021-09-29 04:44:16
○ 2026-08-11 18:04:34

○A107.167.19.712015-11-22 → 2015-11-22 · 4 obs

○ 2015-07-24 06:19:04
● 2015-11-22 10:33:26
○ 2021-09-29 04:44:16
○ 2026-08-11 18:04:34

●A172.67.130.2072026-06-27 → 2026-08-11 · 3 obs

○ 2021-09-29 04:44:16
● 2026-06-27 19:29:10
● 2026-08-11 18:04:34

○A198.148.92.872015-07-24 → 2015-07-24 · 3 obs

● 2015-07-24 06:19:04
○ 2017-08-18 02:00:46
○ 2026-08-11 18:04:34

○A198.148.92.882015-07-24 → 2015-07-24 · 3 obs

● 2015-07-24 06:19:04
○ 2017-08-18 02:00:46
○ 2026-08-11 18:04:34

●A2606:4700:3031::6815:38e2026-07-10 → 2026-08-11 · 3 obs

○ 2026-06-27 19:29:10
● 2026-07-10 00:42:24
● 2026-08-11 18:04:34

○A2606:4700:3035::ac43:82cf2026-06-27 → 2026-06-27 · 4 obs

○ 2021-09-29 04:44:16
● 2026-06-27 19:29:10
○ 2026-07-10 00:42:24
○ 2026-08-11 18:04:34

○A2606:4700:3036::6815:38e2026-06-27 → 2026-06-27 · 4 obs

○ 2021-09-29 04:44:16
● 2026-06-27 19:29:10
○ 2026-07-10 00:42:24
○ 2026-08-11 18:04:34

●A2606:4700:3037::ac43:82cf2026-07-10 → 2026-08-11 · 3 obs

○ 2026-06-27 19:29:10
● 2026-07-10 00:42:24
● 2026-08-11 18:04:34

○CNAMEcs.ename.net2015-07-24 → 2021-09-29 · 4 obs

● 2015-07-24 06:19:04
● 2021-09-29 04:44:16
○ 2026-06-27 19:29:10
○ 2026-08-11 18:04:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
tcol.cn	amy.ns.cloudflare.com, garrett.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.101

NS records: amy.ns.cloudflare.com, garrett.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tcol.cn (unsigned zone)

⏱️ Timing

Total: 887ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.3.142, 172.67.130.207`
AAAA	2	`2606:4700:3031::6815:38e, 2606:4700:3037::ac43:82cf`
NS	2	`amy.ns.cloudflare.com, garrett.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`amy.ns.cloudflare.com dns.cloudflare.com`

Analysis

IP Addresses

tcol.cn resolves to four IP addresses: 104.21.3.142, 172.67.130.207, 2606:4700:3031::6815:38e and 2606:4700:3037::ac43:82cf.

hberger.com, myvoice.am, www.myvoice.am and two other host names share IP numbers with tcol.cn.

Name Servers

Two name servers handle the delegation for tcol.cn: amy.ns.cloudflare.com and garrett.ns.cloudflare.com.

tcol.cn uses the same name servers as several other domains — among them 52zzbj.cn, ictom.nl, nypww.cn and two more.

tcol.cn shares at least some of its name servers with other domains, including taniatrade.com, saveurspimentees.com, omniba(0x736578).vip and two others.

These name servers are frequently paired with the name servers byron.ns.cloudflare.com and lisa.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

amy.ns.cloudflare.com resolves to 108.162.192.101, 172.64.32.101 and 173.245.58.101 among others, with 3 other IP addresses in total.

garrett.ns.cloudflare.com resolves to 108.162.195.195, 162.159.44.195 and 172.64.35.195 among others, with 3 other IP addresses in total.

tcol.cn - robtex.com

tcol.cn

cn

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`tcol.cn`

`cn`