`kfduo.com`

DNSSEC	⚠️ Not signed
NS	`grannbo.ns.cloudflare.com` ⚠️ Not in zone NS records
		A	2606:4700:50::a29f:2696^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`grannbo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c296^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`grannbo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2296^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`grannbo.ns.cloudflare.com`
		A	108.162.194.150^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`grannbo.ns.cloudflare.com`
		A	162.159.38.150^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`grannbo.ns.cloudflare.com`
		A	172.64.34.150^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`grannbo.ns.cloudflare.com`
NS	`jeremy.ns.cloudflare.com` ⚠️ Not in zone NS records
		A	2606:4700:58::adf5:3bb4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jeremy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1b4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jeremy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21b4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jeremy.ns.cloudflare.com`
		A	108.162.193.180^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jeremy.ns.cloudflare.com`
		A	172.64.33.180^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jeremy.ns.cloudflare.com`
		A	173.245.59.180^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jeremy.ns.cloudflare.com`

`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=1778275791

Same first word

kfduo.com

Similar names

fudko.com

dfkou.cn

DNS History

8 records (2 active, 6 former)

○NSf1g1ns1.dnspod.net2015-07-20 → 2017-03-31 · 4 obs

● 2015-07-20 18:24:38
● 2017-03-31 01:29:28
○ 2026-03-28 15:59:58
○ 2026-05-08 21:44:42

○NSf1g1ns2.dnspod.net2015-07-20 → 2017-03-31 · 4 obs

● 2015-07-20 18:24:38
● 2017-03-31 01:29:28
○ 2026-03-28 15:59:58
○ 2026-05-08 21:44:42

●NSgrannbo.ns.cloudflare.com2026-03-28 → 2026-05-08 · 3 obs

○ 2017-03-31 01:29:28
● 2026-03-28 15:59:58
● 2026-05-08 21:44:42

●NSjeremy.ns.cloudflare.com2026-03-28 → 2026-05-08 · 3 obs

○ 2017-03-31 01:29:28
● 2026-03-28 15:59:58
● 2026-05-08 21:44:42

○A172.64.80.12026-03-28 → 2026-05-08 · 2 obs

○ 2026-03-28 15:59:58
○ 2026-05-08 21:44:42

○A210.16.188.832015-07-20 → 2015-07-20 · 3 obs

● 2015-07-20 18:24:38
○ 2026-03-28 15:59:58
○ 2026-05-08 21:44:42

○A23.239.192.382015-11-19 → 2017-03-31 · 5 obs

○ 2015-07-20 18:24:38
● 2015-11-19 15:11:34
● 2017-03-31 01:29:28
○ 2026-03-28 15:59:58
○ 2026-05-08 21:44:42

○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-28 → 2026-05-08 · 2 obs

○ 2026-03-28 15:59:58
○ 2026-05-08 21:44:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
kfduo.com	jeremy.ns.cloudflare.com, grannbo.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.180

NS records: jeremy.ns.cloudflare.com, grannbo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kfduo.com (unsigned zone)

⏱️ Timing

Total: 130ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 12

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

Analysis

Name Servers

Delegation for kfduo.com rests with two name servers, grannbo.ns.cloudflare.com and jeremy.ns.cloudflare.com.

kfduo.com shares the same name server setup as other domains, including gzruizheng.com, ry2010.com, cpuboy.com, shengmushan.com and smartconsultancyindia.com.

kfduo.com at least partially shares name servers with other domains, for instance mcnoo.com, vmcd.ch, europeelects.eu, defieth-usdt.biz and maxits.com.

These name servers are commonly used with sonny.ns.cloudflare.com and dexter.ns.cloudflare.com.

Host names with six IP numbers: grannbo.ns.cloudflare.com points to: 2606:4700:50::a29f:2696, 2803:f800:50::6ca2:c296, 2a06:98c1:50::ac40:2296, 108.162.194.150, 162.159.38.150 and 172.64.34.150. jeremy.ns.cloudflare.com points to: 2606:4700:58::adf5:3bb4, 2803:f800:50::6ca2:c1b4, 2a06:98c1:50::ac40:21b4, 108.162.193.180, 172.64.33.180 and 173.245.59.180.

kfduo.com - robtex.com

kfduo.com

com