`tkb138.br.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:5af7^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:a357^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.90.247^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.163.87^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`nola.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3ad4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nola.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0d4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nola.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20d4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nola.ns.cloudflare.com`
		A	108.162.192.212^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nola.ns.cloudflare.com`
		A	172.64.32.212^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nola.ns.cloudflare.com`
		A	173.245.58.212^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nola.ns.cloudflare.com`
NS	`quinton.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cf9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`quinton.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3f9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`quinton.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23f9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`quinton.ns.cloudflare.com`
		A	108.162.195.249^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`quinton.ns.cloudflare.com`
		A	162.159.44.249^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`quinton.ns.cloudflare.com`
		A	172.64.35.249^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`quinton.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.90.247, 172.67.163.87
		IPv6 hints	2606:4700:3033::6815:5af7, 2606:4700:3036::ac43:a357
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=156, name=cloudflare-ech.com
SOA	`nola.ns.cloudflare.com`dns@cloudflare.com serial=2409796208

`br.com`

	DNSSEC	🔒 Signed (DS record present)
	A	54.153.56.183^{🇺🇸 Amazon54.153.0.0/17 EC2 SFO prefix}
	NS	`ns0.centralnic.net` ⭐
	NS	`ns1.centralnic.net`
	NS	`ns2.centralnic.net`
	NS	`ns3.centralnic.net`
	NS	`ns4.centralnic.net`
	TXT	`v=spf1 -all`
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=3000542764

rank #1379 globally
rank #740 in the tld
📈 Tranco rank: #4,876

Same first word

tkb138.digital

tkb138.com.co

tkb138.it.com

tkb138.br.com

tkb138.uk.com

DNS History

12 records (6 active, 6 former)

●NSnola.ns.cloudflare.com2026-04-16 → 2026-08-01 · 2 obs

● 2026-04-16 22:02:36
● 2026-08-01 06:17:42

●NSquinton.ns.cloudflare.com2026-04-16 → 2026-08-01 · 2 obs

● 2026-04-16 22:02:36
● 2026-08-01 06:17:42

●A104.21.90.2472026-04-16 → 2026-08-01 · 7 obs

● 2026-04-16 22:02:36
● 2026-04-22 23:18:50
○ 2026-04-23 19:53:38
○ 2026-05-14 12:53:34
● 2026-06-10 23:03:24
○ 2026-06-24 03:15:54
● 2026-08-01 06:17:42

●A172.67.163.872026-04-16 → 2026-08-01 · 7 obs

● 2026-04-16 22:02:36
● 2026-04-22 23:18:50
○ 2026-04-23 19:53:38
○ 2026-05-14 12:53:34
● 2026-06-10 23:03:24
○ 2026-06-24 03:15:54
● 2026-08-01 06:17:42

○A188.114.96.02026-04-23 → 2026-06-24 · 6 obs

○ 2026-04-22 23:18:50
● 2026-04-23 19:53:38
● 2026-05-14 12:53:34
○ 2026-06-10 23:03:24
● 2026-06-24 03:15:54
○ 2026-08-01 06:17:42

○A188.114.97.02026-04-23 → 2026-06-24 · 6 obs

○ 2026-04-22 23:18:50
● 2026-04-23 19:53:38
● 2026-05-14 12:53:34
○ 2026-06-10 23:03:24
● 2026-06-24 03:15:54
○ 2026-08-01 06:17:42

●A2606:4700:3033::6815:5af72026-08-01 → 2026-08-01 · 2 obs

○ 2026-06-24 03:15:54
● 2026-08-01 06:17:42

○A2606:4700:3034::ac43:a3572026-04-16 → 2026-06-10 · 7 obs

● 2026-04-16 22:02:36
● 2026-04-22 23:18:50
○ 2026-04-23 19:53:38
● 2026-05-14 12:53:34
● 2026-06-10 23:03:24
○ 2026-06-24 03:15:54
○ 2026-08-01 06:17:42

●A2606:4700:3036::ac43:a3572026-08-01 → 2026-08-01 · 2 obs

○ 2026-06-24 03:15:54
● 2026-08-01 06:17:42

○A2606:4700:3037::6815:5af72026-04-16 → 2026-06-10 · 7 obs

● 2026-04-16 22:02:36
● 2026-04-22 23:18:50
○ 2026-04-23 19:53:38
● 2026-05-14 12:53:34
● 2026-06-10 23:03:24
○ 2026-06-24 03:15:54
○ 2026-08-01 06:17:42

○A2a06:98c1:3120::2026-04-23 → 2026-06-24 · 6 obs

○ 2026-04-22 23:18:50
● 2026-04-23 19:53:38
○ 2026-05-14 12:53:34
○ 2026-06-10 23:03:24
● 2026-06-24 03:15:54
○ 2026-08-01 06:17:42

○A2a06:98c1:3121::2026-04-23 → 2026-06-24 · 6 obs

○ 2026-04-22 23:18:50
● 2026-04-23 19:53:38
○ 2026-05-14 12:53:34
○ 2026-06-10 23:03:24
● 2026-06-24 03:15:54
○ 2026-08-01 06:17:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
br.com	ns1.centralnic.net, ns2.centralnic.net, ns3.centralnic.net, ns4.centralnic.net	-
tkb138.br.com	quinton.ns.cloudflare.com, nola.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.249

NS records: quinton.ns.cloudflare.com, nola.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tkb138.br.com (unsigned zone)

⏱️ Timing

Total: 477ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.90.247, 172.67.163.87`
AAAA	2	`2606:4700:3036::ac43:a357, 2606:4700:3033::6815:5af7`
NS	2	`nola.ns.cloudflare.com, quinton.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`nola.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

tkb138.br.com has four IP addresses: 104.21.90.247, 172.67.163.87, 2606:4700:3033::6815:5af7 and 2606:4700:3036::ac43:a357.

Among the host names that share IP numbers with tkb138.br.com are valves-online.co.uk, zizzz.es, aaaaaaaa.me and two others.

Name Servers

tkb138.br.com has two authoritative name servers — nola.ns.cloudflare.com and quinton.ns.cloudflare.com.

tkb138.br.com has the same name server delegation as a number of other domains, such as oobers.net, geometrylite.co, tkbneko.it.com and two more.

tkb138.br.com has at least partial name server overlap with other domains, such as 998664.com, canamfire.com, rba.nom.es and two others.

hayes.ns.cloudflare.com, poppy.ns.cloudflare.com and raquel.ns.cloudflare.com — plus 3 other name servers — are commonly paired with these name servers.

Host names resolving to 6 IP numbers:

nola.ns.cloudflare.com points to 108.162.192.212, 172.64.32.212, 173.245.58.212 and 3 other IP addresses.

quinton.ns.cloudflare.com points to 108.162.195.249, 162.159.44.249, 172.64.35.249 and 3 other IP addresses.

tkb138.br.com - robtex.com

tkb138.br.com

br.com