cdtnb.com - dns.ninja

`cdtnb.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:cb67^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:2cc5^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.44.197^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.203.103^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ian.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b76^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ian.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c176^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ian.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2176^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ian.ns.cloudflare.com`
		A	108.162.193.118^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ian.ns.cloudflare.com`
		A	172.64.33.118^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ian.ns.cloudflare.com`
		A	173.245.59.118^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ian.ns.cloudflare.com`
NS	`surina.ns.cloudflare.com`
		A	2606:4700:50::a29f:2613^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`surina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c213^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`surina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2213^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`surina.ns.cloudflare.com`
		A	108.162.194.19^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`surina.ns.cloudflare.com`
		A	162.159.38.19^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`surina.ns.cloudflare.com`
		A	172.64.34.19^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`surina.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.44.197, 172.67.203.103
		IPv6 hints	2606:4700:3030::ac43:cb67, 2606:4700:3036::6815:2cc5
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=202, name=cloudflare-ech.com
SOA	`ian.ns.cloudflare.com`dns@cloudflare.com serial=2410000403

`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=1785574562

Same first word

cdtnb.com

Similar names

tbcdn.de

tbcdn.cn

tbcdn.work

cntdb.com

cdntb.edu.vn

cdbnt.com

btcdn.com

tbcdn.com

bndct.com

bcndt.com

tncbd.com

cbndt.ca

bdctn.info

nbdtc.com

ntcbd.org

bdcnt.com

btcdn.net

bdtcn.cn

bdctn.com

cbtnd.com

bdctn.us

dtcbn.com

bndct.net

tbdnc.com

btcdn.co

btdnc.cn

dnbtc.com

dtbnc.com

cndbt.com

btcdn.azureedge.net

ncdbt.com

cdbtn.com

tcdnb.com

DNS History

23 records (6 active, 17 former)

○NSdns27.hichina.com2020-03-25 → 2020-03-25 · 4 obs

○ 2017-02-13 13:58:52
● 2020-03-25 19:27:50
○ 2026-02-17 12:01:08
○ 2026-08-01 09:08:14

○NSdns28.hichina.com2020-03-25 → 2020-03-25 · 4 obs

○ 2017-02-13 13:58:52
● 2020-03-25 19:27:50
○ 2026-02-17 12:01:08
○ 2026-08-01 09:08:14

●NSian.ns.cloudflare.com2026-02-17 → 2026-08-01 · 3 obs

○ 2020-03-25 19:27:50
● 2026-02-17 12:01:08
● 2026-08-01 09:08:14

○NSns13.xincache.com2015-05-06 → 2017-02-13 · 4 obs

● 2015-05-06 02:24:30
● 2017-02-13 13:58:52
○ 2020-03-25 19:27:50
○ 2026-08-01 09:08:14

○NSns14.xincache.com2015-05-06 → 2017-02-13 · 4 obs

● 2015-05-06 02:24:30
● 2017-02-13 13:58:52
○ 2020-03-25 19:27:50
○ 2026-08-01 09:08:14

●NSsurina.ns.cloudflare.com2026-02-17 → 2026-08-01 · 3 obs

○ 2020-03-25 19:27:50
● 2026-02-17 12:01:08
● 2026-08-01 09:08:14

○MX125.64.92.702015-10-15 → 2017-02-13 · 5 obs

○ 2015-05-06 02:24:30
● 2015-10-15 21:07:02
● 2017-02-13 13:58:52
○ 2020-03-25 19:27:50
○ 2026-08-01 09:08:14

○MX125.64.92.702015-05-06 → 2015-05-06 · 3 obs

● 2015-05-06 02:24:30
○ 2015-10-15 21:07:02
○ 2026-08-01 09:08:14

○MXmxbiz1.qq.com2020-03-25 → 2020-03-25 · 4 obs

○ 2017-02-13 13:58:52
● 2020-03-25 19:27:50
○ 2026-02-17 12:01:08
○ 2026-08-01 09:08:14

○MXmxbiz2.qq.com2020-03-25 → 2020-03-25 · 4 obs

○ 2017-02-13 13:58:52
● 2020-03-25 19:27:50
○ 2026-02-17 12:01:08
○ 2026-08-01 09:08:14

●A104.21.44.1972026-02-17 → 2026-08-01 · 6 obs

○ 2020-03-25 19:27:50
● 2026-02-17 12:01:08
● 2026-05-06 09:56:32
○ 2026-05-06 23:48:56
● 2026-05-07 09:47:58
● 2026-08-01 09:08:14

○A106.3.46.762015-05-06 → 2015-12-28 · 4 obs

● 2015-05-06 02:24:30
● 2015-12-28 03:50:24
○ 2016-02-14 11:18:24
○ 2026-08-01 09:08:14

○A106.3.46.782016-02-14 → 2017-02-13 · 5 obs

○ 2015-12-28 03:50:24
● 2016-02-14 11:18:24
● 2017-02-13 13:58:52
○ 2020-03-25 19:27:50
○ 2026-08-01 09:08:14

●A172.67.203.1032026-02-17 → 2026-08-01 · 6 obs

○ 2020-03-25 19:27:50
● 2026-02-17 12:01:08
● 2026-05-06 09:56:32
○ 2026-05-06 23:48:56
● 2026-05-07 09:47:58
● 2026-08-01 09:08:14

○A188.114.96.02026-05-06 → 2026-05-06 · 4 obs

○ 2026-05-06 09:56:32
● 2026-05-06 23:48:56
○ 2026-05-07 09:47:58
○ 2026-08-01 09:08:14

○A188.114.97.02026-05-06 → 2026-05-06 · 4 obs

○ 2026-05-06 09:56:32
● 2026-05-06 23:48:56
○ 2026-05-07 09:47:58
○ 2026-08-01 09:08:14

●A2606:4700:3030::ac43:cb672026-07-03 → 2026-08-01 · 3 obs

○ 2026-06-06 13:19:58
● 2026-07-03 16:50:12
● 2026-08-01 09:08:14

○A2606:4700:3031::6815:2cc52026-02-17 → 2026-06-06 · 8 obs

○ 2020-03-25 19:27:50
● 2026-02-17 12:01:08
● 2026-05-06 09:56:32
○ 2026-05-06 23:48:56
● 2026-05-07 09:47:58
● 2026-06-06 13:19:58
○ 2026-07-03 16:50:12
○ 2026-08-01 09:08:14

○A2606:4700:3033::ac43:cb672026-02-17 → 2026-06-06 · 8 obs

○ 2020-03-25 19:27:50
● 2026-02-17 12:01:08
● 2026-05-06 09:56:32
○ 2026-05-06 23:48:56
● 2026-05-07 09:47:58
● 2026-06-06 13:19:58
○ 2026-07-03 16:50:12
○ 2026-08-01 09:08:14

●A2606:4700:3036::6815:2cc52026-07-03 → 2026-08-01 · 3 obs

○ 2026-06-06 13:19:58
● 2026-07-03 16:50:12
● 2026-08-01 09:08:14

○A2a06:98c1:3120::2026-05-06 → 2026-05-06 · 4 obs

○ 2026-05-06 09:56:32
● 2026-05-06 23:48:56
○ 2026-05-07 09:47:58
○ 2026-08-01 09:08:14

○A2a06:98c1:3121::2026-05-06 → 2026-05-06 · 4 obs

○ 2026-05-06 09:56:32
● 2026-05-06 23:48:56
○ 2026-05-07 09:47:58
○ 2026-08-01 09:08:14

○A47.105.161.452020-03-25 → 2020-03-25 · 4 obs

○ 2017-02-13 13:58:52
● 2020-03-25 19:27:50
○ 2026-02-17 12:01:08
○ 2026-08-01 09:08:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, h.gtld-servers.net, e.gtld-servers.net, l.gtld-servers.net...	-
cdtnb.com	ian.ns.cloudflare.com, surina.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.118

NS records: ian.ns.cloudflare.com, surina.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cdtnb.com (unsigned zone)

⏱️ Timing

Total: 238ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.44.197, 172.67.203.103`
AAAA	2	`2606:4700:3030::ac43:cb67, 2606:4700:3036::6815:2cc5`
NS	2	`ian.ns.cloudflare.com, surina.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ian.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

cdtnb.com resolves to four IP addresses: 104.21.44.197, 172.67.203.103, 2606:4700:3030::ac43:cb67 and 2606:4700:3036::6815:2cc5.

dlg888.com, littlefox.lt, bl555news.com plus two other host names have IP numbers in common with cdtnb.com.

Name Servers

cdtnb.com uses two name servers for its delegation: ian.ns.cloudflare.com and surina.ns.cloudflare.com.

The name server configuration of cdtnb.com is shared with other domains, for instance wnplant.com, baosteeltrading.com, hooray-hotel.com and two others.

cdtnb.com partially shares its NS delegation with several other domains, including 16ef7a58df26.com, gitautob.com, evidon.cn.com and two others.

These name servers are regularly seen alongside lily.ns.cloudflare.com and meera.ns.cloudflare.com as name servers.

Hosts with 6 IP addresses each:

Hostname ian.ns.cloudflare.com directs to 108.162.193.118, 172.64.33.118 and 173.245.59.118 along with 3 other IP addresses.

Hostname surina.ns.cloudflare.com directs to 108.162.194.19, 162.159.38.19 and 172.64.34.19 along with 3 other IP addresses.