`u56.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:8665^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:19a7^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.25.167^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.134.101^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`clarissa.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:267b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clarissa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c27b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`clarissa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:227b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`clarissa.ns.cloudflare.com`
		A	108.162.194.123^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clarissa.ns.cloudflare.com`
		A	162.159.38.123^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clarissa.ns.cloudflare.com`
		A	172.64.34.123^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clarissa.ns.cloudflare.com`
NS	`coen.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c97^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coen.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c397^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`coen.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2397^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`coen.ns.cloudflare.com`
		A	108.162.195.151^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coen.ns.cloudflare.com`
		A	162.159.44.151^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coen.ns.cloudflare.com`
		A	172.64.35.151^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coen.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.25.167, 172.67.134.101
		IPv6 hints	2606:4700:3031::ac43:8665, 2606:4700:3035::6815:19a7
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=194, name=cloudflare-ech.com
SOA	`clarissa.ns.cloudflare.com`dns@cloudflare.com serial=2409676524

`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=1784496517

Same first word

u56.com

u56.cn

u56.net

u56.de

Similar names

6u5.com

56u.com

6u5.net

5u6.cn

u65.info

65u.org

6u5.info

65u.net

65u.com

56u.de

u65.org

5u6.com

u65.cn

65u.gg

65u.cn

u65.ch

DNS History

15 records (6 active, 9 former)

●NSclarissa.ns.cloudflare.com2026-07-13 → 2026-07-19 · 3 obs

○ 2017-04-11 06:35:40
● 2026-07-13 03:07:02
● 2026-07-19 21:42:28

●NScoen.ns.cloudflare.com2026-07-13 → 2026-07-19 · 3 obs

○ 2017-04-11 06:35:40
● 2026-07-13 03:07:02
● 2026-07-19 21:42:28

○NSdns1.iidns.com2015-12-22 → 2017-04-11 · 5 obs

○ 2015-08-23 14:03:36
● 2015-12-22 19:55:58
● 2017-04-11 06:35:40
○ 2026-07-13 03:07:02
○ 2026-07-19 21:42:28

○NSdns2.iidns.com2015-12-22 → 2016-09-10 · 5 obs

○ 2015-08-23 14:03:36
● 2015-12-22 19:55:58
● 2016-09-10 05:41:44
○ 2017-04-11 06:35:40
○ 2026-07-19 21:42:28

○NSdns3.iidns.com2015-12-22 → 2016-09-10 · 5 obs

○ 2015-08-23 14:03:36
● 2015-12-22 19:55:58
● 2016-09-10 05:41:44
○ 2017-04-11 06:35:40
○ 2026-07-19 21:42:28

○NSdns4.iidns.com2015-12-22 → 2016-09-10 · 5 obs

○ 2015-08-23 14:03:36
● 2015-12-22 19:55:58
● 2016-09-10 05:41:44
○ 2017-04-11 06:35:40
○ 2026-07-19 21:42:28

○NSdns5.iidns.com2015-12-22 → 2016-09-10 · 5 obs

○ 2015-08-23 14:03:36
● 2015-12-22 19:55:58
● 2016-09-10 05:41:44
○ 2017-04-11 06:35:40
○ 2026-07-19 21:42:28

○NSdns6.iidns.com2015-08-23 → 2016-09-10 · 4 obs

● 2015-08-23 14:03:36
● 2016-09-10 05:41:44
○ 2017-04-11 06:35:40
○ 2026-07-19 21:42:28

○MXmxbiz1.qq.com2015-12-22 → 2017-04-11 · 4 obs

● 2015-12-22 19:55:58
● 2017-04-11 06:35:40
○ 2026-07-13 03:07:02
○ 2026-07-19 21:42:28

○MXmxbiz2.qq.com2015-12-22 → 2017-04-11 · 4 obs

● 2015-12-22 19:55:58
● 2017-04-11 06:35:40
○ 2026-07-13 03:07:02
○ 2026-07-19 21:42:28

●A104.21.25.1672026-07-13 → 2026-07-19 · 3 obs

○ 2017-04-11 06:35:40
● 2026-07-13 03:07:02
● 2026-07-19 21:42:28

●A172.67.134.1012026-07-13 → 2026-07-19 · 3 obs

○ 2017-04-11 06:35:40
● 2026-07-13 03:07:02
● 2026-07-19 21:42:28

●A2606:4700:3031::ac43:86652026-07-13 → 2026-07-19 · 3 obs

○ 2017-04-11 06:35:40
● 2026-07-13 03:07:02
● 2026-07-19 21:42:28

●A2606:4700:3035::6815:19a72026-07-13 → 2026-07-19 · 3 obs

○ 2017-04-11 06:35:40
● 2026-07-13 03:07:02
● 2026-07-19 21:42:28

○A42.51.15.452015-08-23 → 2017-04-11 · 4 obs

● 2015-08-23 14:03:36
● 2017-04-11 06:35:40
○ 2026-07-13 03:07:02
○ 2026-07-19 21:42:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net, e.gtld-servers.net...	-
u56.com	clarissa.ns.cloudflare.com, coen.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.123

NS records: clarissa.ns.cloudflare.com, coen.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 825ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.25.167, 172.67.134.101`
AAAA	2	`2606:4700:3035::6815:19a7, 2606:4700:3031::ac43:8665`
NS	2	`clarissa.ns.cloudflare.com, coen.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`clarissa.ns.cloudflare.com dns.cloudflar`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

u56.com resolves to four IP addresses: 104.21.25.167, 172.67.134.101, 2606:4700:3031::ac43:8665 and 2606:4700:3035::6815:19a7.

Additional host names — pimwick.com, jcc.org.ua, cmmirz.com and two others — share IP numbers with u56.com.

Name Servers

u56.com has two authoritative name servers — clarissa.ns.cloudflare.com and coen.ns.cloudflare.com.

u56.com shares its name server setup with other domains, including ridibecco.se, u97.com, aipromax.top and two others.

u56.com partially shares its NS delegation with several other domains, including ahisemlak.com, xmliya.cn, zero19.com.br and two others.

These name servers regularly co-occur with the name servers jay.ns.cloudflare.com, dara.ns.cloudflare.com and martin.ns.cloudflare.com.

Host names with 6 IP numbers:

clarissa.ns.cloudflare.com points to 108.162.194.123, 162.159.38.123, 172.64.34.123 and 3 other IP addresses.

coen.ns.cloudflare.com points to 108.162.195.151, 162.159.44.151, 172.64.35.151 and 3 other IP addresses.

u56.com - robtex.com

u56.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

`u56.com`

`com`