`tzchenfei.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:4861^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:b3ca^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.72.97^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.179.202^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`clyde.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b5b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clyde.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c15b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`clyde.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:215b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`clyde.ns.cloudflare.com`
		A	108.162.193.91^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clyde.ns.cloudflare.com`
		A	172.64.33.91^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clyde.ns.cloudflare.com`
		A	173.245.59.91^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clyde.ns.cloudflare.com`
NS	`hadlee.ns.cloudflare.com`
		A	2606:4700:50::a29f:2643^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hadlee.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c243^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hadlee.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2243^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hadlee.ns.cloudflare.com`
		A	108.162.194.67^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hadlee.ns.cloudflare.com`
		A	162.159.38.67^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hadlee.ns.cloudflare.com`
		A	172.64.34.67^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hadlee.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.72.97, 172.67.179.202
		IPv6	2606:4700:3032::6815:4861, 2606:4700:3036::ac43:b3ca
SOA	`clyde.ns.cloudflare.com`dns@cloudflare.com serial=2399011708

`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=1774544192

Subdomains

www.tzchenfei.com

Same first word

tzchenfei.com

Similar names

heifetzcn.com

fetchzine.com

zeniftech.com

chefzenti.com

fenzitech.com

DNS History

12 records (6 active, 6 former)

●NSclyde.ns.cloudflare.com2026-02-15 → 2026-03-26 · 3 obs

○ 2017-05-13 22:45:28
● 2026-02-15 08:57:08
● 2026-03-26 17:14:20

●NShadlee.ns.cloudflare.com2026-02-15 → 2026-03-26 · 3 obs

○ 2017-05-13 22:45:28
● 2026-02-15 08:57:08
● 2026-03-26 17:14:20

○NSns11.bigwww.com2015-08-22 → 2017-05-13 · 4 obs

● 2015-08-22 02:02:00
● 2017-05-13 22:45:28
○ 2026-02-15 08:57:08
○ 2026-03-26 17:14:20

○MXmail024.sudumail.com2015-08-22 → 2026-02-15 · 4 obs

● 2015-08-22 02:02:00
● 2026-02-15 08:57:08
○ 2026-02-28 06:32:34
○ 2026-03-26 17:14:20

●A104.21.72.972026-02-15 → 2026-03-26 · 3 obs

○ 2017-05-13 22:45:28
● 2026-02-15 08:57:08
● 2026-03-26 17:14:20

○A118.244.206.2222016-08-12 → 2016-10-03 · 5 obs

○ 2016-04-01 23:14:02
● 2016-08-12 01:51:40
● 2016-10-03 04:17:26
○ 2017-05-13 22:45:28
○ 2026-03-26 17:14:20

○A123.196.124.752017-05-13 → 2017-05-13 · 4 obs

○ 2016-10-03 04:17:26
● 2017-05-13 22:45:28
○ 2026-02-15 08:57:08
○ 2026-03-26 17:14:20

●A172.67.179.2022026-02-15 → 2026-03-26 · 3 obs

○ 2017-05-13 22:45:28
● 2026-02-15 08:57:08
● 2026-03-26 17:14:20

○A183.60.158.2322016-04-01 → 2016-04-01 · 4 obs

○ 2015-12-07 04:14:04
● 2016-04-01 23:14:02
○ 2016-08-12 01:51:40
○ 2026-03-26 17:14:20

○A183.60.228.1602015-08-22 → 2015-12-07 · 4 obs

● 2015-08-22 02:02:00
● 2015-12-07 04:14:04
○ 2016-04-01 23:14:02
○ 2026-03-26 17:14:20

●A2606:4700:3032::6815:48612026-02-15 → 2026-03-26 · 3 obs

○ 2017-05-13 22:45:28
● 2026-02-15 08:57:08
● 2026-03-26 17:14:20

●A2606:4700:3036::ac43:b3ca2026-02-15 → 2026-03-26 · 3 obs

○ 2017-05-13 22:45:28
● 2026-02-15 08:57:08
● 2026-03-26 17:14:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, i.gtld-servers.net...	-
tzchenfei.com	clyde.ns.cloudflare.com, hadlee.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.67

NS records: clyde.ns.cloudflare.com, hadlee.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tzchenfei.com (unsigned zone)

⏱️ Timing

Total: 332ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.72.97, 172.67.179.202`
AAAA	2	`2606:4700:3036::ac43:b3ca, 2606:4700:3032::6815:4861`
NS	2	`clyde.ns.cloudflare.com, hadlee.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`clyde.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

The parent of www.tzchenfei.com is tzchenfei.com.

IP Addresses

tzchenfei.com points to four IP numbers: 2606:4700:3032::6815:4861, 2606:4700:3036::ac43:b3ca, 104.21.72.97 and 172.67.179.202.

Other host names, for instance cxox.me, newcareclub.com, mail.forkslippers.com.au, bagimedit120.shop and www.minopolis.at share IP numbers with tzchenfei.com.

Name Servers

tzchenfei.com is delegated to two name servers: clyde.ns.cloudflare.com and hadlee.ns.cloudflare.com.

tzchenfei.com uses the same name server setup as other domains, for instance czsdkj.com, bytehero.io, lxfo.net, wzsantop.com and yumurta.best.

tzchenfei.com shares name servers with other domains at least partially, for instance pennfostervirtualhighschool.net, flyfanny.com, tim-pod.online, craftwriter.au and kadinkabmanokwariselatan.org.

these name servers are often used with shane.ns.cloudflare.com, jason.ns.cloudflare.com and mona.ns.cloudflare.com.

Host names with six IP numbers: clyde.ns.cloudflare.com points to 2606:4700:58::adf5:3b5b, 2803:f800:50::6ca2:c15b, 2a06:98c1:50::ac40:215b, 108.162.193.91, 172.64.33.91 and 173.245.59.91; hadlee.ns.cloudflare.com points to 2606:4700:50::a29f:2643, 2803:f800:50::6ca2:c243, 2a06:98c1:50::ac40:2243, 108.162.194.67, 162.159.38.67 and 172.64.34.67.

tzchenfei.com - robtex.com

tzchenfei.com

com

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

`tzchenfei.com`

`com`