`2dbarcode.cn`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:51f5^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:c022^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.81.245^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.192.34^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`kip.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b80^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kip.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c180^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kip.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2180^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kip.ns.cloudflare.com`
		A	108.162.193.128^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kip.ns.cloudflare.com`
		A	172.64.33.128^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kip.ns.cloudflare.com`
		A	173.245.59.128^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kip.ns.cloudflare.com`
NS	`ryleigh.ns.cloudflare.com`
		A	2606:4700:50::a29f:26c6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ryleigh.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2c6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ryleigh.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22c6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ryleigh.ns.cloudflare.com`
		A	108.162.194.198^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ryleigh.ns.cloudflare.com`
		A	162.159.38.198^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ryleigh.ns.cloudflare.com`
		A	172.64.34.198^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ryleigh.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.81.245, 172.67.192.34
		IPv6 hints	2606:4700:3030::6815:51f5, 2606:4700:3031::ac43:c022
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=238, name=cloudflare-ech.com
SOA	`kip.ns.cloudflare.com`dns@cloudflare.com serial=2410021876

`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=2035088342

Same first word

2dbarcode.biz

2dbarcode.cn

DNS History

12 records (6 active, 6 former)

●NSkip.ns.cloudflare.com2026-05-17 → 2026-07-25 · 2 obs

● 2026-05-17 06:33:08
● 2026-07-25 14:02:34

●NSryleigh.ns.cloudflare.com2026-05-17 → 2026-07-25 · 2 obs

● 2026-05-17 06:33:08
● 2026-07-25 14:02:34

●A104.21.81.2452026-05-17 → 2026-07-25 · 6 obs

● 2026-05-17 06:33:08
● 2026-06-01 18:05:44
○ 2026-06-02 10:10:30
● 2026-06-07 10:05:00
○ 2026-07-02 10:12:00
● 2026-07-25 14:02:34

●A172.67.192.342026-05-17 → 2026-07-25 · 6 obs

● 2026-05-17 06:33:08
● 2026-06-01 18:05:44
○ 2026-06-02 10:10:30
● 2026-06-07 10:05:00
○ 2026-07-02 10:12:00
● 2026-07-25 14:02:34

○A188.114.96.02026-06-02 → 2026-07-02 · 5 obs

○ 2026-06-01 18:05:44
● 2026-06-02 10:10:30
○ 2026-06-07 10:05:00
● 2026-07-02 10:12:00
○ 2026-07-25 14:02:34

○A188.114.97.02026-06-02 → 2026-07-02 · 5 obs

○ 2026-06-01 18:05:44
● 2026-06-02 10:10:30
○ 2026-06-07 10:05:00
● 2026-07-02 10:12:00
○ 2026-07-25 14:02:34

●A2606:4700:3030::6815:51f52026-06-20 → 2026-07-25 · 4 obs

○ 2026-06-07 10:05:00
● 2026-06-20 15:53:00
○ 2026-07-02 10:12:00
● 2026-07-25 14:02:34

●A2606:4700:3031::ac43:c0222026-06-20 → 2026-07-25 · 4 obs

○ 2026-06-07 10:05:00
● 2026-06-20 15:53:00
○ 2026-07-02 10:12:00
● 2026-07-25 14:02:34

○A2606:4700:3033::ac43:c0222026-05-17 → 2026-06-07 · 6 obs

● 2026-05-17 06:33:08
● 2026-06-01 18:05:44
○ 2026-06-02 10:10:30
● 2026-06-07 10:05:00
○ 2026-06-20 15:53:00
○ 2026-07-25 14:02:34

○A2606:4700:3035::6815:51f52026-05-17 → 2026-06-07 · 6 obs

● 2026-05-17 06:33:08
● 2026-06-01 18:05:44
○ 2026-06-02 10:10:30
● 2026-06-07 10:05:00
○ 2026-06-20 15:53:00
○ 2026-07-25 14:02:34

○A2a06:98c1:3120::2026-06-02 → 2026-07-02 · 5 obs

○ 2026-06-01 18:05:44
● 2026-06-02 10:10:30
○ 2026-06-07 10:05:00
● 2026-07-02 10:12:00
○ 2026-07-25 14:02:34

○A2a06:98c1:3121::2026-06-02 → 2026-07-02 · 5 obs

○ 2026-06-01 18:05:44
● 2026-06-02 10:10:30
○ 2026-06-07 10:05:00
● 2026-07-02 10:12:00
○ 2026-07-25 14:02:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
2dbarcode.cn	kip.ns.cloudflare.com, ryleigh.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.198

NS records: kip.ns.cloudflare.com, ryleigh.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 2dbarcode.cn (unsigned zone)

⏱️ Timing

Total: 1034ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.192.34, 104.21.81.245`
AAAA	2	`2606:4700:3031::ac43:c022, 2606:4700:3030::6815:51f5`
NS	2	`kip.ns.cloudflare.com, ryleigh.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`kip.ns.cloudflare.com dns.cloudflare.com`

Analysis

IP Addresses

2dbarcode.cn resolves to four IP addresses: 104.21.81.245, 172.67.192.34, 2606:4700:3030::6815:51f5 and 2606:4700:3031::ac43:c022.

t76.btc760.com, www.(0x706f726e)eztube.com, dineshfm.com.np plus two other host names have IP numbers in common with 2dbarcode.cn.

Name Servers

DNS delegation for 2dbarcode.cn points to two name servers: kip.ns.cloudflare.com and ryleigh.ns.cloudflare.com.

The name server configuration of 2dbarcode.cn is shared with other domains, for instance jiaobozhan.com, bjxpack.com, lyzrb.com and two others.

2dbarcode.cn partially shares its NS delegation with several other domains, including globalsolutionloanservices.cc, flagstar.net, bandpro.com and two others.

Hosts with 6 IP addresses each:

kip.ns.cloudflare.com has IP addresses 108.162.193.128, 172.64.33.128 and 173.245.59.128, plus 3 other.

ryleigh.ns.cloudflare.com has IP addresses 108.162.194.198, 162.159.38.198 and 172.64.34.198, plus 3 other.

2dbarcode.cn - robtex.com

2dbarcode.cn

cn

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`2dbarcode.cn`

`cn`