`91zuhao.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:2743^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:8f91^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.39.67^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.143.145^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`giancarlo.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c05^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`giancarlo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c305^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`giancarlo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2305^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`giancarlo.ns.cloudflare.com`
		A	108.162.195.5^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`giancarlo.ns.cloudflare.com`
		A	162.159.44.5^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`giancarlo.ns.cloudflare.com`
		A	172.64.35.5^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`giancarlo.ns.cloudflare.com`
NS	`lilith.ns.cloudflare.com`
		A	2606:4700:50::a29f:268f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lilith.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c28f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lilith.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:228f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lilith.ns.cloudflare.com`
		A	108.162.194.143^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lilith.ns.cloudflare.com`
		A	162.159.38.143^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lilith.ns.cloudflare.com`
		A	172.64.34.143^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lilith.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.39.67, 172.67.143.145
		IPv6 hints	2606:4700:3030::6815:2743, 2606:4700:3036::ac43:8f91
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=158, name=cloudflare-ech.com
SOA	`giancarlo.ns.cloudflare.com`dns@cloudflare.com serial=2403185638

`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=1778410131

Same first word

91zuhao.com

DNS History

20 records (6 active, 14 former)

○NSdns1.iidns.com2015-08-07 → 2017-03-24 · 4 obs

● 2015-08-07 15:32:56
● 2017-03-24 06:17:02
○ 2026-03-05 03:26:36
○ 2026-05-10 10:52:26

○NSdns2.iidns.com2015-08-07 → 2016-03-14 · 4 obs

● 2015-08-07 15:32:56
● 2016-03-14 19:51:18
○ 2017-03-24 06:17:02
○ 2026-05-10 10:52:26

○NSdns3.iidns.com2015-08-07 → 2016-03-14 · 4 obs

● 2015-08-07 15:32:56
● 2016-03-14 19:51:18
○ 2017-03-24 06:17:02
○ 2026-05-10 10:52:26

○NSdns4.iidns.com2015-08-07 → 2016-03-14 · 4 obs

● 2015-08-07 15:32:56
● 2016-03-14 19:51:18
○ 2017-03-24 06:17:02
○ 2026-05-10 10:52:26

○NSdns5.iidns.com2015-08-07 → 2016-03-14 · 4 obs

● 2015-08-07 15:32:56
● 2016-03-14 19:51:18
○ 2017-03-24 06:17:02
○ 2026-05-10 10:52:26

○NSdns6.iidns.com2015-08-07 → 2016-03-14 · 4 obs

● 2015-08-07 15:32:56
● 2016-03-14 19:51:18
○ 2017-03-24 06:17:02
○ 2026-05-10 10:52:26

●NSgiancarlo.ns.cloudflare.com2026-03-05 → 2026-05-10 · 3 obs

○ 2017-03-24 06:17:02
● 2026-03-05 03:26:36
● 2026-05-10 10:52:26

●NSlilith.ns.cloudflare.com2026-03-05 → 2026-05-10 · 3 obs

○ 2017-03-24 06:17:02
● 2026-03-05 03:26:36
● 2026-05-10 10:52:26

○A103.39.79.952017-03-24 → 2017-03-24 · 4 obs

○ 2016-08-09 16:54:58
● 2017-03-24 06:17:02
○ 2026-03-05 03:26:36
○ 2026-05-10 10:52:26

●A104.21.39.672026-03-15 → 2026-05-10 · 11 obs

○ 2026-03-05 03:26:36
● 2026-03-15 13:57:42
○ 2026-03-15 23:04:36
● 2026-03-19 06:53:52
○ 2026-03-19 23:25:10
● 2026-04-24 09:40:58
● 2026-04-24 17:16:30
○ 2026-04-28 14:02:08
○ 2026-04-29 08:12:52
● 2026-04-29 08:53:40
● 2026-05-10 10:52:26

●A172.67.143.1452026-03-15 → 2026-05-10 · 11 obs

○A188.114.96.02026-03-05 → 2026-04-29 · 12 obs

○ 2017-03-24 06:17:02
● 2026-03-05 03:26:36
○ 2026-03-15 13:57:42
● 2026-03-15 23:04:36
○ 2026-03-19 06:53:52
● 2026-03-19 23:25:10
○ 2026-04-24 09:40:58
○ 2026-04-24 17:16:30
● 2026-04-28 14:02:08
● 2026-04-29 08:12:52
○ 2026-04-29 08:53:40
○ 2026-05-10 10:52:26

○A188.114.97.02026-03-05 → 2026-04-29 · 12 obs

○A220.170.89.1992016-03-14 → 2016-03-14 · 4 obs

○ 2015-08-07 15:32:56
● 2016-03-14 19:51:18
○ 2016-08-09 16:54:58
○ 2026-05-10 10:52:26

●A2606:4700:3030::6815:27432026-03-15 → 2026-05-10 · 11 obs

●A2606:4700:3036::ac43:8f912026-03-15 → 2026-05-10 · 11 obs

○A2a06:98c1:3120::2026-03-05 → 2026-04-29 · 12 obs

○A2a06:98c1:3121::2026-03-05 → 2026-04-29 · 12 obs

○A42.51.8.1872015-08-07 → 2015-08-07 · 3 obs

● 2015-08-07 15:32:56
○ 2016-03-14 19:51:18
○ 2026-05-10 10:52:26

○A61.160.223.82016-08-09 → 2016-08-09 · 4 obs

○ 2016-03-14 19:51:18
● 2016-08-09 16:54:58
○ 2017-03-24 06:17:02
○ 2026-05-10 10:52:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
91zuhao.com	lilith.ns.cloudflare.com, giancarlo.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.143

NS records: lilith.ns.cloudflare.com, giancarlo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 91zuhao.com (unsigned zone)

⏱️ Timing

Total: 148ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.143.145, 104.21.39.67`
AAAA	2	`2606:4700:3036::ac43:8f91, 2606:4700:3030::6815:2743`
NS	2	`giancarlo.ns.cloudflare.com, lilith.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`giancarlo.ns.cloudflare.com dns.cloudfla`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

91zuhao.com maps to four IP numbers: 2606:4700:3030::6815:2743, 2606:4700:3036::ac43:8f91, 104.21.39.67 and 172.67.143.145.

Other host names, for instance netdata.haskellart.com, 39543.cn, howtodothings.com, www.2517.ru and autumn-heart-202e.13458252552.workers.dev share IP numbers with 91zuhao.com.

Name Servers

Two name servers giancarlo.ns.cloudflare.com and lilith.ns.cloudflare.com handle delegation for 91zuhao.com.

91zuhao.com uses the same name server setup as other domains, for example assessmentgenerator.com, valtera.club, bvoc.net, jiningdingsheng.com and xdjdcn.com.

91zuhao.com partially shares name servers with other domains; examples include temizenerji.org.tr, gdeii.com.cn, yuming8.com, 201228.com and frame-win.com.

These name servers are often used with the name servers rex.ns.cloudflare.com and ligia.ns.cloudflare.com.

Host names with six IP numbers: giancarlo.ns.cloudflare.com points to: 2606:4700:58::a29f:2c05, 2803:f800:50::6ca2:c305, 2a06:98c1:50::ac40:2305, 108.162.195.5, 162.159.44.5 and 172.64.35.5; lilith.ns.cloudflare.com points to: 2606:4700:50::a29f:268f, 2803:f800:50::6ca2:c28f, 2a06:98c1:50::ac40:228f, 108.162.194.143, 162.159.38.143 and 172.64.34.143.

91zuhao.com - robtex.com

91zuhao.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`91zuhao.com`

`com`