udtsk.ru - dns.ninja

`udtsk.ru`

DNSSEC	⚠️ Not signed
A	91.201.52.222^{🇷🇺 INTERNET-PRO-AS91.201.52.0/24}
		PTR	`h22.netangels.ru`
NS	`ns1.netangels.ru` ⭐
		A	91.201.54.2^{🇷🇺 INTERNET-PRO-AS91.201.54.0/23}
			PTR	`ns1.netangels.ru`
NS	`ns2.netangels.ru`
		A	91.201.52.2^{🇷🇺 INTERNET-PRO-AS91.201.52.0/24}
			PTR	`ns2.netangels.ru`
NS	`ns3.netangels.ru`
		A	45.86.39.2^{🇷🇺 INTERNET-PRO-AS45.86.39.0/24}
NS	`ns4.netangels.ru` ⚠️ Not in parent delegation
		A	80.87.101.2^{🇷🇺 INTERNET-PRO-AS80.87.101.0/24}
MX	`mx0.udtsk.ru` ⭐
		A	91.201.54.7^{🇷🇺 INTERNET-PRO-AS91.201.54.0/23}
			PTR	`mx0.netangels.ru`
MX	`mx1.udtsk.ru`⁽⁵⁾
		A	91.201.54.8^{🇷🇺 INTERNET-PRO-AS91.201.54.0/23}
			PTR	`mx1.netangels.ru`
TXT	`v=spf1 a include:netangels.ru ~all`
SOA	`ns1.netangels.ru`hostmaster@netangels.ru serial=1776451954

`ru`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.ripn.net` ⭐
	NS	`b.dns.ripn.net`
	NS	`d.dns.ripn.net`
	NS	`e.dns.ripn.net`
	NS	`f.dns.ripn.net`
	SOA	`a.dns.ripn.net`hostmaster@ripn.net serial=4069476

Previously MX for

udtsk.ru

Subdomains

mx1.udtsk.ru

mx0.udtsk.ru

Same first word

udtsk.ru

Similar names

uksdt.com

tdsuk.co.uk

dskut.ru

kdstu.com

ksutd.org

dkust.com

tusdk.com.cn

ustkd.com

utkds.com

studk.com

kstud.com

tkdus.com

tusdk.cn

kusdt.com

dtsuk.com

stukd.com

ksdtu.com

duskt.com

tdsuk.com

kdust.com

dtsuk.co.uk

dstuk.com

tusdk.com

tusdk.net

utsdk.com

DNS History

15 records (7 active, 8 former)

●NSns1.netangels.ru2026-03-25 → 2026-07-03 · 3 obs

○ 2017-01-15 03:22:42
● 2026-03-25 10:22:50
● 2026-07-03 07:02:58

○NSns1.reg.ru2015-06-17 → 2016-04-18 · 4 obs

● 2015-06-17 18:42:00
● 2016-04-18 01:32:16
○ 2017-01-15 03:22:42
○ 2026-07-03 07:02:58

●NSns2.netangels.ru2026-03-25 → 2026-07-03 · 3 obs

○ 2017-01-15 03:22:42
● 2026-03-25 10:22:50
● 2026-07-03 07:02:58

○NSns2.reg.ru2015-06-17 → 2016-04-18 · 4 obs

● 2015-06-17 18:42:00
● 2016-04-18 01:32:16
○ 2017-01-15 03:22:42
○ 2026-07-03 07:02:58

●NSns3.netangels.ru2026-03-25 → 2026-07-03 · 3 obs

○ 2017-01-15 03:22:42
● 2026-03-25 10:22:50
● 2026-07-03 07:02:58

●NSns4.netangels.ru2026-03-25 → 2026-07-03 · 3 obs

○ 2017-01-15 03:22:42
● 2026-03-25 10:22:50
● 2026-07-03 07:02:58

○NSns60.ruweb.net2017-01-15 → 2017-01-15 · 4 obs

○ 2016-04-18 01:32:16
● 2017-01-15 03:22:42
○ 2026-03-25 10:22:50
○ 2026-07-03 07:02:58

○NSns61.ruweb.net2017-01-15 → 2017-01-15 · 4 obs

○ 2016-04-18 01:32:16
● 2017-01-15 03:22:42
○ 2026-03-25 10:22:50
○ 2026-07-03 07:02:58

○MXmx.yandex.ru2015-06-17 → 2016-04-18 · 4 obs

● 2015-06-17 18:42:00
● 2016-04-18 01:32:16
○ 2017-01-15 03:22:42
○ 2026-07-03 07:02:58

●MXmx0.udtsk.ru2026-03-25 → 2026-07-03 · 3 obs

○ 2017-01-15 03:22:42
● 2026-03-25 10:22:50
● 2026-07-03 07:02:58

●MXmx1.udtsk.ru2026-03-25 → 2026-07-03 · 3 obs

○ 2017-01-15 03:22:42
● 2026-03-25 10:22:50
● 2026-07-03 07:02:58

○MXudtsk.ru2017-01-15 → 2017-01-15 · 4 obs

○ 2016-04-18 01:32:16
● 2017-01-15 03:22:42
○ 2026-03-25 10:22:50
○ 2026-07-03 07:02:58

○A193.107.238.92015-06-17 → 2016-04-18 · 4 obs

● 2015-06-17 18:42:00
● 2016-04-18 01:32:16
○ 2017-01-15 03:22:42
○ 2026-07-03 07:02:58

●A91.201.52.2222026-03-25 → 2026-07-03 · 3 obs

○ 2017-01-15 03:22:42
● 2026-03-25 10:22:50
● 2026-07-03 07:02:58

○A93.171.221.1932017-01-15 → 2017-01-15 · 4 obs

○ 2016-04-18 01:32:16
● 2017-01-15 03:22:42
○ 2026-03-25 10:22:50
○ 2026-07-03 07:02:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...	-
udtsk.ru	ns3.netangels.ru, ns2.netangels.ru, ns1.netangels.ru	3 records

✅ Authoritative Response

Server:91.201.52.2

NS records: ns3.netangels.ru, ns2.netangels.ru, ns1.netangels.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for udtsk.ru (unsigned zone)

⏱️ Timing

Total: 1245ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.201.52.222`
NS	4	`ns1.netangels.ru, ns2.netangels.ru...`
MX	2	`mx0.udtsk.ru (pri: 1), mx1.udtsk.ru (pri: 5)`
TXT	1	`v=spf1 a include:netangels.ru ~all`
SOA	1	`ns1.netangels.ru hostmaster.netangels.ru`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns3.netangels.ru, ns2.netangels.ru, ns1.netangels.ru)

Analysis

Hierarchy

udtsk.ru is the parent domain of mx1.udtsk.ru and mx0.udtsk.ru.

IP Addresses

udtsk.ru points to a single IP number: 91.201.52.222.

Additional host names — ringo.info, semkom.ru, barrier-ural.ru and two others — share IP numbers with udtsk.ru.

Name Servers

udtsk.ru has four authoritative name servers: ns1.netangels.ru, ns2.netangels.ru, ns3.netangels.ru and ns4.netangels.ru.

The name servers of udtsk.ru overlap at least partially with those of other domains — among them oao-pkk.ru, avers-s.ru, hamle.ru and two more.

ns1.netangels.ru, ns2.netangels.ru, ns3.netangels.ru and ns4.netangels.ru each resolve to one IP address: ns1.netangels.ru resolves to 91.201.54.2, ns2.netangels.ru resolves to 91.201.52.2, ns3.netangels.ru resolves to 45.86.39.2 and ns4.netangels.ru resolves to 80.87.101.2.

Mail Servers

udtsk.ru has two mail servers: mx0.udtsk.ru and mx1.udtsk.ru.

Both mx0.udtsk.ru and mx1.udtsk.ru have a single IP address each — mx0.udtsk.ru resolves to 91.201.54.7 while mx1.udtsk.ru resolves to 91.201.54.8.