`jubku.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:dc31^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:5683^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.86.131^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.220.49^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dara.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a5b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c05b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:205b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dara.ns.cloudflare.com`
		A	108.162.192.91^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dara.ns.cloudflare.com`
		A	172.64.32.91^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dara.ns.cloudflare.com`
		A	173.245.58.91^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dara.ns.cloudflare.com`
NS	`jobs.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bb7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jobs.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1b7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jobs.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21b7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jobs.ns.cloudflare.com`
		A	108.162.193.183^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jobs.ns.cloudflare.com`
		A	172.64.33.183^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jobs.ns.cloudflare.com`
		A	173.245.59.183^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jobs.ns.cloudflare.com`
TXT	`google-site-verification=71NnakrD2uc6tmH3ENr9hNxSiOIplqFrNSSIJovPfH0`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.86.131, 172.67.220.49
		IPv6 hints	2606:4700:3030::ac43:dc31, 2606:4700:3037::6815:5683
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=254, name=cloudflare-ech.com
SOA	`dara.ns.cloudflare.com`dns@cloudflare.com serial=2399003362

`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=1778494786

Subdomains

comyzc.jubku.com

Same first word

jubku.com

Similar names

jubuk.org

bujuk.net

kbjuu.cn

jubuk.com

DNS History

16 records (6 active, 10 former)

●NSdara.ns.cloudflare.com2026-04-10 → 2026-05-11 · 3 obs

○ 2016-09-22 04:45:26
● 2026-04-10 19:22:00
● 2026-05-11 10:21:04

●NSjobs.ns.cloudflare.com2026-04-10 → 2026-05-11 · 3 obs

○ 2016-09-22 04:45:26
● 2026-04-10 19:22:00
● 2026-05-11 10:21:04

○NSns69.domaincontrol.com2015-10-20 → 2016-04-04 · 4 obs

● 2015-10-20 10:35:44
● 2016-04-04 23:33:50
○ 2016-09-22 04:45:26
○ 2026-05-11 10:21:04

○NSns70.domaincontrol.com2015-10-20 → 2016-04-04 · 4 obs

● 2015-10-20 10:35:44
● 2016-04-04 23:33:50
○ 2016-09-22 04:45:26
○ 2026-05-11 10:21:04

○MXmailstore1.secureserver.net2015-10-20 → 2016-04-04 · 4 obs

● 2015-10-20 10:35:44
● 2016-04-04 23:33:50
○ 2016-09-22 04:45:26
○ 2026-05-11 10:21:04

○MXsmtp.secureserver.net2015-10-20 → 2016-04-04 · 4 obs

● 2015-10-20 10:35:44
● 2016-04-04 23:33:50
○ 2016-09-22 04:45:26
○ 2026-05-11 10:21:04

●A104.21.86.1312026-04-10 → 2026-05-11 · 6 obs

○ 2016-09-22 04:45:26
● 2026-04-10 19:22:00
● 2026-04-22 23:18:18
○ 2026-04-23 19:51:42
● 2026-04-29 01:46:08
● 2026-05-11 10:21:04

●A172.67.220.492026-04-10 → 2026-05-11 · 6 obs

○ 2016-09-22 04:45:26
● 2026-04-10 19:22:00
● 2026-04-22 23:18:18
○ 2026-04-23 19:51:42
● 2026-04-29 01:46:08
● 2026-05-11 10:21:04

○A188.114.96.02026-04-23 → 2026-04-23 · 4 obs

○ 2026-04-22 23:18:18
● 2026-04-23 19:51:42
○ 2026-04-29 01:46:08
○ 2026-05-11 10:21:04

○A188.114.97.02026-04-23 → 2026-04-23 · 4 obs

○ 2026-04-22 23:18:18
● 2026-04-23 19:51:42
○ 2026-04-29 01:46:08
○ 2026-05-11 10:21:04

○A204.12.206.842015-10-20 → 2016-04-04 · 5 obs

● 2015-10-20 10:35:44
○ 2016-01-03 20:25:04
● 2016-04-04 23:33:50
○ 2016-09-22 04:45:26
○ 2026-05-11 10:21:04

○A209.74.107.742016-01-03 → 2016-01-03 · 4 obs

○ 2015-10-20 10:35:44
● 2016-01-03 20:25:04
○ 2016-04-04 23:33:50
○ 2026-05-11 10:21:04

●A2606:4700:3030::ac43:dc312026-04-10 → 2026-05-11 · 6 obs

○ 2016-09-22 04:45:26
● 2026-04-10 19:22:00
● 2026-04-22 23:18:18
○ 2026-04-23 19:51:42
● 2026-04-29 01:46:08
● 2026-05-11 10:21:04

●A2606:4700:3037::6815:56832026-04-10 → 2026-05-11 · 6 obs

○ 2016-09-22 04:45:26
● 2026-04-10 19:22:00
● 2026-04-22 23:18:18
○ 2026-04-23 19:51:42
● 2026-04-29 01:46:08
● 2026-05-11 10:21:04

○A2a06:98c1:3120::2026-04-23 → 2026-04-23 · 4 obs

○ 2026-04-22 23:18:18
● 2026-04-23 19:51:42
○ 2026-04-29 01:46:08
○ 2026-05-11 10:21:04

○A2a06:98c1:3121::2026-04-23 → 2026-04-23 · 4 obs

○ 2026-04-22 23:18:18
● 2026-04-23 19:51:42
○ 2026-04-29 01:46:08
○ 2026-05-11 10:21:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
jubku.com	dara.ns.cloudflare.com, jobs.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.91

NS records: dara.ns.cloudflare.com, jobs.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jubku.com (unsigned zone)

⏱️ Timing

Total: 109ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.86.131, 172.67.220.49`
AAAA	2	`2606:4700:3030::ac43:dc31, 2606:4700:3037::6815:5683`
NS	2	`dara.ns.cloudflare.com, jobs.ns.cloudflare.com`
TXT	1	`google-site-verification=71NnakrD2uc6tmH`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dara.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

The parent of comyzc.jubku.com is jubku.com.

IP Addresses

jubku.com maps to four IP numbers: 2606:4700:3030::ac43:dc31, 2606:4700:3037::6815:5683, 104.21.86.131 and 172.67.220.49.

Other host names, for instance pinupcasino-online.com, pharmaciedirect.fr, ikodama.top, gmimage3.com and anasbaig.com share IP numbers with jubku.com.

Name Servers

Two name servers dara.ns.cloudflare.com and jobs.ns.cloudflare.com handle delegation for jubku.com.

jubku.com uses the same name server setup as other domains, for example snabbfoting.se, dataplatform.social, lebootleg.com, zerobug.org and callfordataspeakers.com.

jubku.com partially shares name servers with other domains; examples include collabcentral.com, assiprov.it, ing87yyo.com, chudniv.news and microseals.com.

These name servers are commonly used with coen.ns.cloudflare.com, gwen.ns.cloudflare.com and michelle.ns.cloudflare.com.

Host names with six IP numbers: dara.ns.cloudflare.com points to: 2606:4700:50::adf5:3a5b, 2803:f800:50::6ca2:c05b, 2a06:98c1:50::ac40:205b, 108.162.192.91, 172.64.32.91 and 173.245.58.91; jobs.ns.cloudflare.com points to: 2606:4700:58::adf5:3bb7, 2803:f800:50::6ca2:c1b7, 2a06:98c1:50::ac40:21b7, 108.162.193.183, 172.64.33.183 and 173.245.59.183.

jubku.com - robtex.com

jubku.com

com

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

`jubku.com`

`com`