`kubertu.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:1118^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:db9c^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.17.24^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.219.156^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`brenda.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a4d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brenda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c04d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`brenda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:204d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`brenda.ns.cloudflare.com`
		A	108.162.192.77^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brenda.ns.cloudflare.com`
		A	172.64.32.77^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brenda.ns.cloudflare.com`
		A	173.245.58.77^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brenda.ns.cloudflare.com`
NS	`mark.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b82^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mark.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c182^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mark.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2182^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mark.ns.cloudflare.com`
		A	108.162.193.130^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mark.ns.cloudflare.com`
		A	172.64.33.130^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mark.ns.cloudflare.com`
		A	173.245.59.130^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mark.ns.cloudflare.com`
MX	`mail.kubertu.com` ⭐
		A	62.169.23.241^{🇩🇪 CONTABO62.169.16.0/21}
			PTR	`vmi2166508.contaboserver.net`
TXT	`v=spf1 a mx ip4:62.169.23.241 include:859e66.ppspf.net include:sendgrid.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.17.24, 172.67.219.156
		IPv6	2606:4700:3031::6815:1118, 2606:4700:3033::ac43:db9c
SOA	`brenda.ns.cloudflare.com`dns@cloudflare.com serial=2397348972

`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=1774589672

Subdomains

mail.kubertu.com

Same first word

kubertu.com

Similar names

ukrtube.com

krutube.pro

rubuket.ru

krutube.com

rubutek.com

kurubet.com

krutube.ru

ukrtube.com.ua

burutek.com

DNS History

11 records (7 active, 4 former)

●NSbrenda.ns.cloudflare.com2019-12-16 → 2026-03-27 · 2 obs

● 2019-12-16 10:21:12
● 2026-03-27 05:40:12

●NSmark.ns.cloudflare.com2019-12-16 → 2026-03-27 · 2 obs

● 2019-12-16 10:21:12
● 2026-03-27 05:40:12

●MXmail.kubertu.com2026-02-16 → 2026-03-27 · 2 obs

● 2026-02-16 11:10:08
● 2026-03-27 05:40:12

●A104.21.17.242026-02-16 → 2026-03-27 · 3 obs

○ 2019-12-16 10:21:12
● 2026-02-16 11:10:08
● 2026-03-27 05:40:12

○A104.31.66.192019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 10:21:12
○ 2026-02-16 11:10:08
○ 2026-03-27 05:40:12

○A104.31.67.192019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 10:21:12
○ 2026-02-16 11:10:08
○ 2026-03-27 05:40:12

●A172.67.219.1562026-02-16 → 2026-03-27 · 3 obs

○ 2019-12-16 10:21:12
● 2026-02-16 11:10:08
● 2026-03-27 05:40:12

○A2606:4700:30::681f:42132019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 10:21:12
○ 2026-02-16 11:10:08
○ 2026-03-27 05:40:12

○A2606:4700:30::681f:43132019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 10:21:12
○ 2026-02-16 11:10:08
○ 2026-03-27 05:40:12

●A2606:4700:3031::6815:11182026-02-16 → 2026-03-27 · 3 obs

○ 2019-12-16 10:21:12
● 2026-02-16 11:10:08
● 2026-03-27 05:40:12

●A2606:4700:3033::ac43:db9c2026-02-16 → 2026-03-27 · 3 obs

○ 2019-12-16 10:21:12
● 2026-02-16 11:10:08
● 2026-03-27 05:40:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
kubertu.com	mark.ns.cloudflare.com, brenda.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.130

NS records: mark.ns.cloudflare.com, brenda.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kubertu.com (unsigned zone)

⏱️ Timing

Total: 124ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.17.24, 172.67.219.156`
AAAA	2	`2606:4700:3031::6815:1118, 2606:4700:3033::ac43:db9c`
NS	2	`brenda.ns.cloudflare.com, mark.ns.cloudflare.com`
MX	1	`mail.kubertu.com (pri: 1)`
TXT	1	`v=spf1 a mx ip4:62.169.23.241 include:85`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`brenda.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

kubertu.com is the parent of mail.kubertu.com.

IP Addresses

kubertu.com resolves to four IPs: 2606:4700:3031::6815:1118, 2606:4700:3033::ac43:db9c, 104.21.17.24 and 172.67.219.156.

Other host names, for instance herospin1.net, milesxp.com, horas711eri.com, thefutureofhealthcare.org and vexxtta.site share IP numbers with kubertu.com.

Name Servers

kubertu.com has two name servers: brenda.ns.cloudflare.com and mark.ns.cloudflare.com.

kubertu.com shares the same name server setup as other domains, for example av-spor.com, enfermeriaformacion.com, nanoscribe.com, airbytes.co.uk and cadirkiralama.net.

kubertu.com shares some name servers with other domains, for example emadbishay.com, daoteng.org, bizserver.eu, xn--e1aaxwu0a.xn--p1ai and 57oceancondomiami.com.

These name servers are commonly used together with hans.ns.cloudflare.com and princess.ns.cloudflare.com.

Host names with six IP numbers: brenda.ns.cloudflare.com points to: 2606:4700:50::adf5:3a4d, 2803:f800:50::6ca2:c04d, 2a06:98c1:50::ac40:204d, 108.162.192.77, 172.64.32.77 and 173.245.58.77; mark.ns.cloudflare.com points to: 2606:4700:58::adf5:3b82, 2803:f800:50::6ca2:c182, 2a06:98c1:50::ac40:2182, 108.162.193.130, 172.64.33.130 and 173.245.59.130.

Mail Servers

kubertu.com is handled by a single mail server, mail.kubertu.com.

Host name mail.kubertu.com points to IP 62.169.23.241.

kubertu.com - robtex.com

kubertu.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

Mail Servers

`kubertu.com`

`com`