htsk.ru - dns.ninja

`htsk.ru`

DNSSEC	⚠️ Not signed
NS	`ns.tsc.su` ⭐
		A	89.113.112.4^{🇷🇺 STROITELNAYA_INNOVACIA89.113.112.0/21 OOO_Stroitelnaja_innovacija}
			PTR	`ns.hitachi-tsc.ru`
NS	`ns2.naukanet.ru`
		A	84.47.177.77^{🇷🇺 NAUKANET-AS84.47.177.0/24}
			PTR	`ns2.naukanet.ru`
NS	`ns3.naukanet.ru`
		A	2a02:bc8:0:6::2^{🇷🇺 NAUKANET-AS2a02:bc8::/29 NaukaNet IPv6}
			PTR	`ns3.naukanet.ru`
		A	85.91.99.99^{🇷🇺 NAUKANET-AS85.91.96.0/21 Nauka-Svyaz}
			PTR	`ns3.naukanet.ru`
MX	`mx.htsk.ru` ⭐
		A	89.113.112.251^{🇷🇺 STROITELNAYA_INNOVACIA89.113.112.0/21 OOO_Stroitelnaja_innovacija}
			PTR	`mx.htsk.ru`
SOA	`ns.tsc.su`hostmaster@tsc.su 2025-11-26 #4

`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=4069769

Subdomains

mx.htsk.ru

Same first word

htsk.de

htsk.ru

htsk.cn

Similar names

sthk.cn

thsk.com.cn

ksth.com

skht.de

ktsh.de

hstk.jp

shkt.cc

hkts.cc

shtk.com

khst.eu

hkts.vn

thsk.de

sthk.pl

sthk.de

tshk.com

hkst.be

tkhs.org

sthk.com.sg

hkts.com

sthk.nhs.uk

stkh.hu

stkh.fi

hskt.se

ksht.de

thks.me

sthk.net

tkhs.net

khts.net

tshk.ru

kths.se

khts.cn

shtk.ru

kths.vn

khts.org

ksth.ch

shtk.com.kz

ksht.net

shtk.cn

khst.de

ktsh.com

sthk.com

ksht.or.kr

thks.com.pk

tkhs.school.nz

tksh.net

thsk.gov.tr

skth.cn

kths.de

tskh.com

ksth.cn

stkh.ir

sthk.at

tshk.cz

ktsh.co.kr

ksht.ru

skth.net

thsk.cn

shkt.ch

ksth.gr

kths.co.uk

hstk.com

thks.org

ktsh.ch

stkh.se

hstk.ru

hkts.com.hk

thsk.eu

stkh.de

stkh.com

tkhs.fi

hkst.com

ksth.co.jp

shkt.cn

ksht.cn

tskh.cz

sthk.ru

hstk.de

tshk.de

kths.cn

tskh.ru

skth.com

khst.co.jp

thsk.org

khst.org

khst.co.kr

stkh.cn

shkt.com

ksht.com

ktsh.kr

hstk.org

skht.eu

thsk.dk

tksh.cc

shkt.ru

hkts.de

skth.co.th

ksth.at

sthk.com.cn

thsk.com

DNS History

5 records (4 active, 1 former)

●NSns.tsc.su2015-08-19 → 2026-07-27 · 2 obs

● 2015-08-19 06:45:58
● 2026-07-27 17:24:30

●NSns2.naukanet.ru2015-08-19 → 2026-07-27 · 2 obs

● 2015-08-19 06:45:58
● 2026-07-27 17:24:30

●NSns3.naukanet.ru2015-08-19 → 2026-07-27 · 2 obs

● 2015-08-19 06:45:58
● 2026-07-27 17:24:30

○MXmail.htsk.ru2015-08-19 → 2020-12-04 · 4 obs

● 2015-08-19 06:45:58
● 2020-12-04 05:37:28
○ 2026-02-28 06:02:36
○ 2026-07-27 17:24:30

●MXmx.htsk.ru2026-02-28 → 2026-07-27 · 3 obs

○ 2020-12-04 05:37:28
● 2026-02-28 06:02:36
● 2026-07-27 17:24:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	b.dns.ripn.net, e.dns.ripn.net, f.dns.ripn.net, a.dns.ripn.net...	-
htsk.ru	ns2.naukanet.ru, ns3.naukanet.ru, ns.tsc.su	2 records

✅ Authoritative Response

Server:85.91.99.99

NS records: ns2.naukanet.ru, ns3.naukanet.ru, ns.tsc.su

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for htsk.ru (unsigned zone)

⏱️ Timing

Total: 1399ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`ns.tsc.su, ns3.naukanet.ru...`
MX	1	`mx.htsk.ru (pri: 10)`
SOA	1	`ns.tsc.su hostmaster.tsc.su`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns3.naukanet.ru, ns2.naukanet.ru)

Analysis

Hierarchy

htsk.ru is the parent zone for mx.htsk.ru.

Name Servers

The authoritative name servers for htsk.ru are ns2.naukanet.ru, ns3.naukanet.ru and ns.tsc.su — three in total.

htsk.ru partially shares its NS delegation with several other domains, including gazeta-nagatino-sadovniki.ru, 98.91.85.in-addr.arpa, melkom.ru and two others.

In DNS configurations, these name servers often share authority with ns.naukanet.ru, ns.naukanet.ru.ru, ns2.nsv.ru and 7 other name servers.

Host names that have two IP addresses:

ns3.naukanet.ru directs traffic to 85.91.99.99 and 2a02:bc8:0:6::2.

Host names that point to one IP address:

ns2.naukanet.ru has the IP address 84.47.177.77.

ns.tsc.su has the IP address 89.113.112.4.

Mail Servers

The sole mail server for htsk.ru is mx.htsk.ru.

mx.htsk.ru directs to just one IP number, 89.113.112.251.