`lankangbiotech.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:c376^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:4c7d^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.76.125^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.195.118^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`curt.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b5e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c15e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`curt.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:215e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`curt.ns.cloudflare.com`
		A	108.162.193.94^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
		A	172.64.33.94^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
		A	173.245.59.94^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
NS	`rafe.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ad8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rafe.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0d8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rafe.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20d8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rafe.ns.cloudflare.com`
		A	108.162.192.216^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rafe.ns.cloudflare.com`
		A	172.64.32.216^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rafe.ns.cloudflare.com`
		A	173.245.58.216^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rafe.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.76.125, 172.67.195.118
		IPv6 hints	2606:4700:3033::ac43:c376, 2606:4700:3035::6815:4c7d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=133, name=cloudflare-ech.com
SOA	`curt.ns.cloudflare.com`dns@cloudflare.com serial=2402130841

`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=1777228311

Same first word

lankangbiotech.com

DNS History

8 records (6 active, 2 former)

○NSanirban.ns.cloudflare.com2026-04-14 → 2026-04-14 · 2 obs

● 2026-04-14 12:39:38
○ 2026-04-26 18:32:06

●NScurt.ns.cloudflare.com2026-04-26 → 2026-04-26 · 2 obs

○ 2026-04-14 12:39:38
● 2026-04-26 18:32:06

○NSmay.ns.cloudflare.com2026-04-14 → 2026-04-14 · 2 obs

● 2026-04-14 12:39:38
○ 2026-04-26 18:32:06

●NSrafe.ns.cloudflare.com2026-04-26 → 2026-04-26 · 2 obs

○ 2026-04-14 12:39:38
● 2026-04-26 18:32:06

●A104.21.76.1252026-04-14 → 2026-04-26 · 2 obs

● 2026-04-14 12:39:38
● 2026-04-26 18:32:06

●A172.67.195.1182026-04-14 → 2026-04-26 · 2 obs

● 2026-04-14 12:39:38
● 2026-04-26 18:32:06

●A2606:4700:3033::ac43:c3762026-04-14 → 2026-04-26 · 2 obs

● 2026-04-14 12:39:38
● 2026-04-26 18:32:06

●A2606:4700:3035::6815:4c7d2026-04-14 → 2026-04-26 · 2 obs

● 2026-04-14 12:39:38
● 2026-04-26 18:32:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, d.gtld-servers.net, h.gtld-servers.net, l.gtld-servers.net...	-
lankangbiotech.com	curt.ns.cloudflare.com, rafe.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.216

NS records: curt.ns.cloudflare.com, rafe.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lankangbiotech.com (unsigned zone)

⏱️ Timing

Total: 174ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.195.118, 104.21.76.125`
AAAA	2	`2606:4700:3033::ac43:c376, 2606:4700:3035::6815:4c7d`
NS	2	`curt.ns.cloudflare.com, rafe.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`curt.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

lankangbiotech.com refers to four IP numbers: 2606:4700:3033::ac43:c376, 2606:4700:3035::6815:4c7d, 104.21.76.125 and 172.67.195.118.

Other host names, for instance mail.pbb1-200.news.mektrefen.com, warisanjitu.biz, (0x6e756465)-(0x706f726e)-cams.com, pbb1-200.news.mektrefen.com and reklamnepredmety.sk share IP numbers with lankangbiotech.com.

Name Servers

lankangbiotech.com's delegation uses two name servers: curt.ns.cloudflare.com and rafe.ns.cloudflare.com.

lankangbiotech.com uses the same name server setup as other domains, such as sunmoonhaitao.com, sinochibei.com, 138home.com, jinglejanglejo.com and njsyhb.com.

lankangbiotech.com at least partially shares name servers with other domains, including dnsnow.org, asedl.am, metahobby.com, victoriacandel.com.ar and oneggy.com.

These name servers are commonly used with alina.ns.cloudflare.com, theo.ns.cloudflare.com and nadia.ns.cloudflare.com.

Host names with six IP numbers:

curt.ns.cloudflare.com points to 2606:4700:58::adf5:3b5e, 2803:f800:50::6ca2:c15e, 2a06:98c1:50::ac40:215e, 108.162.193.94, 172.64.33.94 and 173.245.59.94.

rafe.ns.cloudflare.com points to 2606:4700:50::adf5:3ad8, 2803:f800:50::6ca2:c0d8, 2a06:98c1:50::ac40:20d8, 108.162.192.216, 172.64.32.216 and 173.245.58.216.

lankangbiotech.com - robtex.com