`udtk.ru`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:5a0d^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:c14e^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.90.13^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.193.78^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`lennox.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cd6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lennox.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3d6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lennox.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23d6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lennox.ns.cloudflare.com`
		A	108.162.195.214^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lennox.ns.cloudflare.com`
		A	162.159.44.214^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lennox.ns.cloudflare.com`
		A	172.64.35.214^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lennox.ns.cloudflare.com`
NS	`vida.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aec^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vida.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ec^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`vida.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ec^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`vida.ns.cloudflare.com`
		A	108.162.192.236^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vida.ns.cloudflare.com`
		A	172.64.32.236^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vida.ns.cloudflare.com`
		A	173.245.58.236^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vida.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.90.13, 172.67.193.78
		IPv6 hints	2606:4700:3031::6815:5a0d, 2606:4700:3035::ac43:c14e
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=52, name=cloudflare-ech.com
SOA	`lennox.ns.cloudflare.com`dns@cloudflare.com serial=2409404580

`ru`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.ripn.net` ⭐
	NS	`b.dns.ripn.net`
	NS	`c.tld-servers.ru`
	NS	`d.dns.ripn.net`
	NS	`e.dns.ripn.net`
	NS	`f.dns.ripn.net`
	SOA	`a.dns.ripn.net`hostmaster@ripn.net serial=4069684

Same first word

udtk.cn

udtk.ru

Similar names

dukt.pl

utkd.net

dtuk.co.uk

ktdu.com

dukt.net

ukdt.de

uktd.com

utkd.com

tukd.org.tr

udkt.com

dutk.com

ukdt.com

kudt.de

dkut.ru

dkut.ac.ke

dutk.hu

tkdu.com

utdk.net

udkt.net

utdk.df.gov.br

tduk.co.uk

tukd.com

tudk.com

dukt.fr

tduk.cn

utkd.org

utdk.ru

dtuk.biz

tudk.de

utdk.info

tduk.co

dtuk.com

dukt.ru

dtku.cn

uktd.co.uk

dkut.com

dukt.com.pl

utdk.com

tukd.org

dukt.org.uk

utdk.org

kdtu.com

dukt.com

kudt.com

ktud.com

dtuk.net

kudt.cn

kdut.com

dukt.de

dtuk.systems

tduk.com

tdku.cn

uktd.ru

tkud.com

kutd.com

dktu.com

utdk.cn

DNS History

16 records (6 active, 10 former)

●NSlennox.ns.cloudflare.com2020-02-24 → 2026-07-20 · 3 obs

○ 2016-07-25 20:11:00
● 2020-02-24 16:44:58
● 2026-07-20 15:39:02

○NSns1.netangels.ru2015-07-15 → 2016-07-25 · 4 obs

● 2015-07-15 00:40:30
● 2016-07-25 20:11:00
○ 2020-02-24 16:44:58
○ 2026-07-20 15:39:02

○NSns2.netangels.ru2015-07-15 → 2016-07-25 · 4 obs

● 2015-07-15 00:40:30
● 2016-07-25 20:11:00
○ 2020-02-24 16:44:58
○ 2026-07-20 15:39:02

○NSns3.netangels.ru2016-07-25 → 2016-07-25 · 4 obs

○ 2015-07-15 00:40:30
● 2016-07-25 20:11:00
○ 2020-02-24 16:44:58
○ 2026-07-20 15:39:02

○NSns4.netangels.ru2016-07-25 → 2016-07-25 · 4 obs

○ 2015-07-15 00:40:30
● 2016-07-25 20:11:00
○ 2020-02-24 16:44:58
○ 2026-07-20 15:39:02

●NSvida.ns.cloudflare.com2020-02-24 → 2026-07-20 · 3 obs

○ 2016-07-25 20:11:00
● 2020-02-24 16:44:58
● 2026-07-20 15:39:02

●A104.21.90.132026-07-15 → 2026-07-20 · 3 obs

○ 2020-02-24 16:44:58
● 2026-07-15 20:11:44
● 2026-07-20 15:39:02

○A104.27.180.1352020-02-24 → 2020-02-24 · 4 obs

○ 2016-07-25 20:11:00
● 2020-02-24 16:44:58
○ 2026-07-15 20:11:44
○ 2026-07-20 15:39:02

○A104.27.181.1352020-02-24 → 2020-02-24 · 4 obs

○ 2016-07-25 20:11:00
● 2020-02-24 16:44:58
○ 2026-07-15 20:11:44
○ 2026-07-20 15:39:02

●A172.67.193.782026-07-15 → 2026-07-20 · 3 obs

○ 2020-02-24 16:44:58
● 2026-07-15 20:11:44
● 2026-07-20 15:39:02

○A185.93.108.762016-03-28 → 2016-07-25 · 5 obs

○ 2016-02-02 08:22:04
● 2016-03-28 15:06:12
● 2016-07-25 20:11:00
○ 2020-02-24 16:44:58
○ 2026-07-20 15:39:02

●A2606:4700:3031::6815:5a0d2026-07-15 → 2026-07-20 · 3 obs

○ 2020-02-24 16:44:58
● 2026-07-15 20:11:44
● 2026-07-20 15:39:02

○A2606:4700:3031::681b:b5872020-02-24 → 2020-02-24 · 4 obs

○ 2016-07-25 20:11:00
● 2020-02-24 16:44:58
○ 2026-07-15 20:11:44
○ 2026-07-20 15:39:02

●A2606:4700:3035::ac43:c14e2026-07-15 → 2026-07-20 · 3 obs

○ 2020-02-24 16:44:58
● 2026-07-15 20:11:44
● 2026-07-20 15:39:02

○A2606:4700:3037::681b:b4872020-02-24 → 2020-02-24 · 4 obs

○ 2016-07-25 20:11:00
● 2020-02-24 16:44:58
○ 2026-07-15 20:11:44
○ 2026-07-20 15:39:02

○A91.201.52.762015-07-15 → 2016-02-02 · 4 obs

● 2015-07-15 00:40:30
● 2016-02-02 08:22:04
○ 2016-03-28 15:06:12
○ 2026-07-20 15:39:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, b.dns.ripn.net, c.tld-servers.ru, d.dns.ripn.net...	-
udtk.ru	vida.ns.cloudflare.com, lennox.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.236

NS records: vida.ns.cloudflare.com, lennox.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for udtk.ru (unsigned zone)

⏱️ Timing

Total: 645ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.193.78, 104.21.90.13`
AAAA	2	`2606:4700:3035::ac43:c14e, 2606:4700:3031::6815:5a0d`
NS	2	`lennox.ns.cloudflare.com, vida.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`lennox.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

udtk.ru points to the four IP addresses 104.21.90.13, 172.67.193.78, 2606:4700:3031::6815:5a0d and 2606:4700:3035::ac43:c14e.

Additional host names — kdwx.net, www.valveauth.com, marks4antiques.com and two others — share IP numbers with udtk.ru.

Name Servers

DNS delegation for udtk.ru points to two name servers: lennox.ns.cloudflare.com and vida.ns.cloudflare.com.

udtk.ru shares its name server setup with other domains, including bo-hamburg.de, 71979.com, 40763coinbase.com and two others.

There is at least partial name server overlap between udtk.ru and other domains — firadelleida.com, jyh.kr, neyrainterstate.com and two more among them.

These name servers frequently co-occur with the name servers gail.ns.cloudflare.com and athena.ns.cloudflare.com.

Host names with 6 IP numbers:

lennox.ns.cloudflare.com has IP addresses 108.162.195.214, 162.159.44.214 and 172.64.35.214, plus 3 other.

vida.ns.cloudflare.com has IP addresses 108.162.192.236, 172.64.32.236 and 173.245.58.236, plus 3 other.

udtk.ru - robtex.com

udtk.ru

ru

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`udtk.ru`

`ru`