kubertu.com - dns.ninja

kubertu.com

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:db9c🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:1118🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.17.24Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.219.156🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbrenda.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a4d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrenda.ns.cloudflare.com
A2803:f800:50::6ca2:c04d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbrenda.ns.cloudflare.com
A2a06:98c1:50::ac40:204d🇺🇸 Cloudflare2a06:98c1:50::/45
PTRbrenda.ns.cloudflare.com
A108.162.192.77🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrenda.ns.cloudflare.com
A172.64.32.77🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrenda.ns.cloudflare.com
A173.245.58.77🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrenda.ns.cloudflare.com
NSmark.ns.cloudflare.com
A2606:4700:58::adf5:3b82🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmark.ns.cloudflare.com
A2803:f800:50::6ca2:c182🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmark.ns.cloudflare.com
A2a06:98c1:50::ac40:2182🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmark.ns.cloudflare.com
A108.162.193.130🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmark.ns.cloudflare.com
A172.64.33.130🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmark.ns.cloudflare.com
A173.245.59.130🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmark.ns.cloudflare.com
MXmail.kubertu.com ⭐
A62.169.23.241🇩🇪 CONTABO62.169.16.0/21
PTRvmi2166508.contaboserver.net
TXTv=spf1 a mx ip4:62.169.23.241 include:859e66.ppspf.net include:sendgrid.net ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.17.24, 172.67.219.156
IPv6 hints2606:4700:3030::ac43:db9c, 2606:4700:3034::6815:1118
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=3, name=cloudflare-ech.com
SOAbrenda.ns.cloudflare.comdns@cloudflare.com serial=2410231302

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1784922717

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
kurubet.org
burutek.com

DNS History

13 records (7 active, 6 former)

2020202120222023202420252026NSbrenda.ns.cloudflare.commark.ns.cloudflare.comMXmail.kubertu.comA104.21.17.24172.67.219.1562606:4700:3030::ac43:db9c2606:4700:3034::6815:1118104.31.66.19104.31.67.192606:4700:30::681f:42132606:4700:30::681f:43132606:4700:3031::6815:11182606:4700:3033::ac43:db9c
●NSbrenda.ns.cloudflare.com2019-12-16 → 2026-07-24 · 2 obs
● 2019-12-16 10:21:12
● 2026-07-24 20:21:58
●NSmark.ns.cloudflare.com2019-12-16 → 2026-07-24 · 2 obs
● 2019-12-16 10:21:12
● 2026-07-24 20:21:58
●MXmail.kubertu.com2026-02-16 → 2026-07-24 · 2 obs
● 2026-02-16 11:10:08
● 2026-07-24 20:21:58
●A104.21.17.242026-02-16 → 2026-07-24 · 3 obs
○ 2019-12-16 10:21:12
● 2026-02-16 11:10:08
● 2026-07-24 20:21:58
○A104.31.66.192019-12-16 → 2019-12-16 · 3 obs
● 2019-12-16 10:21:12
○ 2026-02-16 11:10:08
○ 2026-07-24 20:21:58
○A104.31.67.192019-12-16 → 2019-12-16 · 3 obs
● 2019-12-16 10:21:12
○ 2026-02-16 11:10:08
○ 2026-07-24 20:21:58
●A172.67.219.1562026-02-16 → 2026-07-24 · 3 obs
○ 2019-12-16 10:21:12
● 2026-02-16 11:10:08
● 2026-07-24 20:21:58
○A2606:4700:30::681f:42132019-12-16 → 2019-12-16 · 3 obs
● 2019-12-16 10:21:12
○ 2026-02-16 11:10:08
○ 2026-07-24 20:21:58
○A2606:4700:30::681f:43132019-12-16 → 2019-12-16 · 3 obs
● 2019-12-16 10:21:12
○ 2026-02-16 11:10:08
○ 2026-07-24 20:21:58
●A2606:4700:3030::ac43:db9c2026-07-02 → 2026-07-24 · 3 obs
○ 2026-06-15 03:53:38
● 2026-07-02 22:11:08
● 2026-07-24 20:21:58
○A2606:4700:3031::6815:11182026-02-16 → 2026-06-15 · 5 obs
○ 2019-12-16 10:21:12
● 2026-02-16 11:10:08
● 2026-06-15 03:53:38
○ 2026-07-02 22:11:08
○ 2026-07-24 20:21:58
○A2606:4700:3033::ac43:db9c2026-02-16 → 2026-06-15 · 5 obs
○ 2019-12-16 10:21:12
● 2026-02-16 11:10:08
● 2026-06-15 03:53:38
○ 2026-07-02 22:11:08
○ 2026-07-24 20:21:58
●A2606:4700:3034::6815:11182026-07-02 → 2026-07-24 · 3 obs
○ 2026-06-15 03:53:38
● 2026-07-02 22:11:08
● 2026-07-24 20:21:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comh.gtld-servers.net, b.gtld-servers.net, g.gtld-servers.net, d.gtld-servers.net...-
kubertu.commark.ns.cloudflare.com, brenda.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.77

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: 208ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.17.24, 172.67.219.156
AAAA22606:4700:3030::ac43:db9c, 2606:4700:3034::6815:1118
NS2brenda.ns.cloudflare.com, mark.ns.cloudflare.com
MX1mail.kubertu.com (pri: 1)
TXT1v=spf1 a mx ip4:62.169.23.241 include:85
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1brenda.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 zone for mail.kubertu.com.

IP Addresses

kubertu.com resolves to four IP addresses: 104.21.17.24, 172.67.219.156, 2606:4700:3030::ac43:db9c and 2606:4700:3034::6815:1118.

herospin1.net, milesxp.com, horas711eri.com plus two other host names have IP numbers in common with kubertu.com.

Name Servers

kubertu.com uses two name servers for its delegation: brenda.ns.cloudflare.com and mark.ns.cloudflare.com.

The name server configuration of kubertu.com is shared with other domains, for instance enfermeriaformacion.com, nanoscribe.com, airbytes.co.uk and two others.

kubertu.com partially shares its NS delegation with several other domains, including emadbishay.com, daoteng.org, bizserver.eu and two others.

These name servers regularly co-occur with the name servers hans.ns.cloudflare.com, princess.ns.cloudflare.com and brodie.ns.cloudflare.com.

Hosts with 6 IP addresses each:

Hostname brenda.ns.cloudflare.com directs to 108.162.192.77, 172.64.32.77 and 173.245.58.77 along with 3 other IP addresses.

Hostname mark.ns.cloudflare.com directs to 108.162.193.130, 172.64.33.130 and 173.245.59.130 along with 3 other IP addresses.

Mail Servers

kubertu.com uses one mail server — mail.kubertu.com.

mail.kubertu.com directs to just one IP number, 62.169.23.241.