`tongdingtools.cn`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:20f4^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:bc4f^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.32.244^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.188.79^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`elsa.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a6f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elsa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c06f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elsa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:206f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elsa.ns.cloudflare.com`
		A	108.162.192.111^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elsa.ns.cloudflare.com`
		A	172.64.32.111^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elsa.ns.cloudflare.com`
		A	173.245.58.111^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elsa.ns.cloudflare.com`
NS	`ridge.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c8b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ridge.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c38b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ridge.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:238b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ridge.ns.cloudflare.com`
		A	108.162.195.139^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ridge.ns.cloudflare.com`
		A	162.159.44.139^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ridge.ns.cloudflare.com`
		A	172.64.35.139^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ridge.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.32.244, 172.67.188.79
		IPv6 hints	2606:4700:3031::6815:20f4, 2606:4700:3035::ac43:bc4f
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=172, name=cloudflare-ech.com
SOA	`elsa.ns.cloudflare.com`dns@cloudflare.com serial=2406970982

`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=2035143303

Same first word

tongdingtools.cn

DNS History

9 records (6 active, 3 former)

●NSelsa.ns.cloudflare.com2026-07-02 → 2026-08-05 · 2 obs

● 2026-07-02 07:16:24
● 2026-08-05 03:59:30

○NSnow1.dns.com2026-07-02 → 2026-08-05 · 2 obs

○ 2026-07-02 07:16:24
○ 2026-08-05 03:59:30

○NSnow2.dns.com2026-07-02 → 2026-08-05 · 2 obs

○ 2026-07-02 07:16:24
○ 2026-08-05 03:59:30

●NSridge.ns.cloudflare.com2026-07-02 → 2026-08-05 · 2 obs

● 2026-07-02 07:16:24
● 2026-08-05 03:59:30

●A104.21.32.2442026-07-02 → 2026-08-05 · 2 obs

● 2026-07-02 07:16:24
● 2026-08-05 03:59:30

○A104.219.213.1832026-07-02 → 2026-08-05 · 2 obs

○ 2026-07-02 07:16:24
○ 2026-08-05 03:59:30

●A172.67.188.792026-07-02 → 2026-08-05 · 2 obs

● 2026-07-02 07:16:24
● 2026-08-05 03:59:30

●A2606:4700:3031::6815:20f42026-07-02 → 2026-08-05 · 2 obs

● 2026-07-02 07:16:24
● 2026-08-05 03:59:30

●A2606:4700:3035::ac43:bc4f2026-07-02 → 2026-08-05 · 2 obs

● 2026-07-02 07:16:24
● 2026-08-05 03:59:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn...	-
tongdingtools.cn	elsa.ns.cloudflare.com, ridge.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.139

NS records: elsa.ns.cloudflare.com, ridge.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tongdingtools.cn (unsigned zone)

⏱️ Timing

Total: 897ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.32.244, 172.67.188.79`
AAAA	2	`2606:4700:3031::6815:20f4, 2606:4700:3035::ac43:bc4f`
NS	2	`elsa.ns.cloudflare.com, ridge.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`elsa.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

tongdingtools.cn has four IP addresses: 104.21.32.244, 172.67.188.79, 2606:4700:3031::6815:20f4 and 2606:4700:3035::ac43:bc4f.

Additional host names — 50.reservation-confrimdata.com, dfccartransport.in, tdconline.com.ar and two others — share IP numbers with tongdingtools.cn.

Name Servers

tongdingtools.cn has two authoritative name servers — elsa.ns.cloudflare.com and ridge.ns.cloudflare.com.

tongdingtools.cn shares its name server setup with other domains, including mars-qirisi.com, hanzy.cn, yanaxin.com and two others.

tongdingtools.cn has at least partial name server overlap with other domains, such as hinalytics.com, kalkinemedia.com, cybersquare.com.br and two others.

It is common to see these name servers used together with name servers trace.ns.cloudflare.com and mona.ns.cloudflare.com.

Host names with 6 IP numbers:

elsa.ns.cloudflare.com points to 108.162.192.111, 172.64.32.111, 173.245.58.111 and 3 other IP addresses.

ridge.ns.cloudflare.com points to 108.162.195.139, 162.159.44.139, 172.64.35.139 and 3 other IP addresses.

tongdingtools.cn - robtex.com