21.su - dns.ninja

`21.su`

DNSSEC	⚠️ Not signed
A	62.122.170.171^{🇺🇸 SERVEREL-AS62.122.168.0/21}
		PTR	`62.122.170.171.serverel.net`
NS	`ns1.snparking.ru` ⭐ ⚠️ Not in parent delegation
		A	37.221.193.103^{🇩🇪 netcup-AS37.221.192.0/22}
			PTR	`v22016063652435391.goodsrv.de`
		A	194.63.142.195^{🇷🇺 I-SERVERS-NORTH-EU194.63.142.0/24}
			PTR	`ns1.snparking.ru`
NS	`ns2.snparking.ru` ⚠️ Not in parent delegation
		A	5.45.106.252^{🇩🇪 netcup-AS5.45.104.0/22}
			PTR	`v22016113652440052.goodsrv.de`
		A	62.122.170.168^{🇺🇸 SERVEREL-AS62.122.168.0/21}
			PTR	`62.122.170.168.serverel.net`
NS	`ns3.salenames.ru` ⚠️ Not in zone NS records
		A	37.221.193.103^{🇩🇪 netcup-AS37.221.192.0/22}
			PTR	`v22016063652435391.goodsrv.de`
		A	194.63.142.195^{🇷🇺 I-SERVERS-NORTH-EU194.63.142.0/24}
			PTR	`ns1.snparking.ru`
NS	`ns4.salenames.ru` ⚠️ Not in zone NS records
		A	5.45.106.252^{🇩🇪 netcup-AS5.45.104.0/22}
			PTR	`v22016113652440052.goodsrv.de`
		A	62.122.170.168^{🇺🇸 SERVEREL-AS62.122.168.0/21}
			PTR	`62.122.170.168.serverel.net`
MX	`void.blackhole.mx` ⭐
		A	2a01:4f8:1c0c:54b0::2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		A	2a01:4f8:1c17:4376::2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		A	2a01:4f9:c010:2ce2::2^{🇫🇮 Hetzner2a01:4f9::/32 HETZNER-IPv6-BLK}
		A	78.47.159.103^{🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5}
			PTR	`static.103.159.47.78.clients.your-server.de`
		A	95.217.0.12^{🇫🇮 Hetzner95.217.0.0/16 HETZNER-DC}
			PTR	`static.12.0.217.95.clients.your-server.de`
		A	195.201.28.161^{🇩🇪 Hetzner195.201.0.0/16 HETZNER-DC}
			PTR	`static.161.28.201.195.clients.your-server.de`
SOA	`ns1.snparking.ru`hostmaster@21.su 2022-03-28 #95

`su`

	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=650210143

⚠️ On DNS blocklist: spam-tlds

Subdomains

www.21.su

Same first word

21.cf

21.org

21.com.tw

21.co.uk

21.vc

21.am

21.im

21.rs

21.amsterdam

21.com

21.net.au

21.bet

21.center

21.kz

21.fyi

21.cm

21.web.app

21.su

21.network

21.si

21.ph

21.is

21.be

21.com.ua

21.pe

21.edu.ar

21.gg

21.technology

21.capital

21.dk

21.email

21.ai

21.wf

21.sk

21.zone

21.immo

21.hk

21.cz

21.academy

21.style

21.school

21.(0x787878)

21.ink

21.pictures

21.show

21.nl

21.agency

21.co

21.biz

21.lv

21.uk

21.ru

21.co.za

21.co.tz

21.lc

21.finance

21.re

21.co.com

21.ax

21.business

21.casino

21.red

21.pl

21.ee

21.tel

21.partners

21.to

21.cl

21.ie

21.photos

21.cc

21.city

21.gs

21.fr

21.live

21.by

21.com.es

21.net.cn

21.eu

21.run

21.pw

21.se

21.org.cn

21.chat

21.net

21.game

21.la

21.ag

21.diamonds

21.cn

21.de

21.training

21.ca

Similar names

12.life

12.network

12.dk

12.com.cn

12.cx

12.org

12.nu

12.gl

12.vip

12.net.cn

12.gr

12.fyi

12.ai

12.tt

12.hk

12.gs

12.amsterdam

12.fr

12.vc

12.am

12.agency

12.digital

12.ac.cn

12.com.vn

12.lt

12.si

12.cfd

12.tf

12.pw

12.be

12.fi

12.cc

12.is

12.chat

12.netlify.app

12.app

12.solutions

12.dyndns.tv

12.cm

12.pl

12.world

12.by

12.org.ua

12.lol

12.works

12.cn

12.uz

DNS History

16 records (6 active, 10 former)

●NSns1.snparking.ru2016-12-13 → 2026-08-09 · 16 obs

○ 2016-08-04 07:19:58
● 2016-12-13 16:15:58
● 2017-05-23 01:32:18
○ 2017-07-01 07:43:00
● 2017-07-12 23:51:06
● 2017-07-27 03:47:42
○ 2017-08-05 20:04:02
○ 2017-08-12 10:30:28
● 2017-09-14 15:41:26
● 2017-10-15 18:46:56
○ 2019-08-21 09:14:48
● 2021-10-23 23:39:12
● 2026-02-19 14:56:22
○ 2026-02-23 02:38:06
● 2026-03-26 05:03:30
● 2026-08-09 07:16:16

●NSns2.snparking.ru2016-12-13 → 2026-08-09 · 29 obs

○ 2016-08-04 07:19:58
● 2016-12-13 16:15:58
● 2017-01-06 23:59:08
○ 2017-05-23 01:32:18
○ 2017-07-01 07:43:00
● 2017-07-12 23:51:06
● 2017-07-27 03:47:42
○ 2017-08-05 20:04:02
○ 2017-08-12 10:30:28
● 2017-09-14 15:41:26
● 2017-10-15 18:46:56
○ 2019-08-21 09:14:48
○ 2021-10-23 23:39:12
● 2026-02-19 14:56:22
○ 2026-02-23 02:38:06
○ 2026-03-27 23:55:36
● 2026-03-28 09:58:58
● 2026-04-01 02:26:42
○ 2026-04-05 05:49:00
● 2026-04-08 19:24:00
● 2026-05-10 03:16:40
○ 2026-05-14 01:29:36
○ 2026-05-23 08:21:30
● 2026-05-23 17:51:30
● 2026-05-24 16:54:46
○ 2026-06-15 18:31:10
● 2026-06-28 22:10:08
○ 2026-08-01 20:39:46
● 2026-08-09 07:16:16

●NSns3.salenames.ru2015-09-01 → 2026-08-09 · 17 obs

● 2015-09-01 10:07:52
● 2016-08-04 07:19:58
○ 2016-12-13 16:15:58
○ 2017-01-06 23:59:08
● 2017-05-23 01:32:18
● 2017-07-01 07:43:00
○ 2017-07-12 23:51:06
○ 2017-07-27 03:47:42
● 2017-08-05 20:04:02
● 2017-08-12 10:30:28
○ 2017-09-14 15:41:26
○ 2017-10-15 18:46:56
● 2019-08-21 09:14:48
● 2026-02-19 14:56:22
○ 2026-02-23 02:38:06
● 2026-03-26 05:03:30
● 2026-08-09 07:16:16

●NSns4.salenames.ru2015-09-01 → 2026-08-09 · 17 obs

○NSsnparking.com2016-12-13 → 2017-01-06 · 5 obs

○ 2016-08-04 07:19:58
● 2016-12-13 16:15:58
● 2017-01-06 23:59:08
○ 2017-05-23 01:32:18
○ 2026-08-09 07:16:16

○MX148.240.4.322015-09-07 → 2015-10-31 · 5 obs

○ 2015-09-01 10:07:52
● 2015-09-07 09:37:30
● 2015-10-31 06:01:26
○ 2015-12-18 00:18:48
○ 2026-08-09 07:16:16

○MX148.240.4.322015-09-01 → 2015-09-01 · 3 obs

● 2015-09-01 10:07:52
○ 2015-09-07 09:37:30
○ 2026-08-09 07:16:16

○MXmx3.snbox.ru2019-08-21 → 2019-11-07 · 5 obs

○ 2016-12-13 16:15:58
● 2019-08-21 09:14:48
● 2019-11-07 18:30:54
○ 2020-05-22 02:00:00
○ 2026-08-09 07:16:16

●MXvoid.blackhole.mx2015-12-18 → 2026-08-09 · 21 obs

○ 2015-10-31 06:01:26
● 2015-12-18 00:18:48
● 2016-08-04 07:19:58
○ 2016-12-13 16:15:58
○ 2019-11-07 18:30:54
● 2020-05-22 02:00:00
● 2026-02-19 14:56:22
○ 2026-02-23 02:38:06
● 2026-03-26 05:03:30
○ 2026-03-27 23:55:36
● 2026-03-28 09:58:58
● 2026-04-01 02:26:42
○ 2026-04-05 05:49:00
● 2026-04-08 19:24:00
● 2026-05-10 03:16:40
○ 2026-05-14 01:29:36
○ 2026-05-23 17:51:30
● 2026-05-24 16:54:46
○ 2026-06-15 18:31:10
● 2026-06-28 23:09:12
● 2026-08-09 07:16:16

○A109.206.190.542015-10-12 → 2016-08-04 · 9 obs

○ 2015-10-05 21:48:24
● 2015-10-12 20:18:54
● 2015-12-18 00:18:48
○ 2016-01-16 22:03:52
○ 2016-06-12 22:22:12
● 2016-07-11 08:41:46
● 2016-08-04 07:19:58
○ 2016-12-13 16:15:58
○ 2026-08-09 07:16:16

○A185.53.179.402017-07-12 → 2017-10-15 · 9 obs

○ 2017-07-01 07:43:00
● 2017-07-12 23:51:06
● 2017-07-27 03:47:42
○ 2017-08-05 20:04:02
○ 2017-08-12 10:30:28
● 2017-09-14 15:41:26
● 2017-10-15 18:46:56
○ 2019-08-21 09:14:48
○ 2026-08-09 07:16:16

○A192.237.187.2082016-03-02 → 2016-06-12 · 8 obs

○ 2016-01-20 09:49:10
● 2016-03-02 03:25:10
● 2016-03-21 12:56:14
○ 2016-04-11 13:28:22
○ 2016-05-12 22:22:48
● 2016-06-12 22:22:12
○ 2016-07-11 08:41:46
○ 2026-08-09 07:16:16

●A62.122.170.1712026-02-19 → 2026-08-09 · 20 obs

○ 2021-10-23 23:39:12
● 2026-02-19 14:56:22
○ 2026-02-23 02:38:06
● 2026-03-26 05:03:30
○ 2026-03-27 23:55:36
● 2026-03-28 09:58:58
● 2026-04-05 05:49:00
○ 2026-04-08 19:24:00
● 2026-04-14 03:44:48
● 2026-05-10 03:16:40
○ 2026-05-14 01:29:36
○ 2026-05-23 08:21:30
● 2026-05-23 17:51:30
● 2026-05-24 16:54:46
○ 2026-06-15 18:31:10
● 2026-06-28 23:09:12
○ 2026-07-04 20:24:42
● 2026-07-08 05:04:58
○ 2026-08-01 20:39:46
● 2026-08-09 07:16:16

○A78.140.173.732015-09-01 → 2015-10-05 · 4 obs

● 2015-09-01 10:07:52
● 2015-10-05 21:48:24
○ 2015-10-12 20:18:54
○ 2026-08-09 07:16:16

○A91.195.240.1352016-12-13 → 2021-10-23 · 13 obs

○ 2016-08-04 07:19:58
● 2016-12-13 16:15:58
● 2017-07-01 07:43:00
○ 2017-07-12 23:51:06
○ 2017-07-27 03:47:42
● 2017-08-05 20:04:02
● 2017-08-12 10:30:28
○ 2017-09-14 15:41:26
○ 2017-10-15 18:46:56
● 2019-08-21 09:14:48
● 2021-10-23 23:39:12
○ 2026-02-19 14:56:22
○ 2026-08-09 07:16:16

○A91.195.241.862016-01-16 → 2016-05-12 · 9 obs

○ 2015-12-18 00:18:48
● 2016-01-16 22:03:52
● 2016-01-20 09:49:10
○ 2016-03-02 03:25:10
○ 2016-03-21 12:56:14
● 2016-04-11 13:28:22
● 2016-05-12 22:22:48
○ 2016-06-12 22:22:12
○ 2026-08-09 07:16:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
su	f.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, a.dns.ripn.net...	12 records
21.su	ns3.salenames.ru, ns4.salenames.ru	-

✅ Authoritative Response

Server:62.122.170.168

NS records: ns3.salenames.ru, ns4.salenames.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 21.su (unsigned zone)

⏱️ Timing

Total: 1457ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`62.122.170.171`
NS	2	`ns2.snparking.ru, ns1.snparking.ru`
SOA	1	`ns1.snparking.ru hostmaster.21.su`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (f.dns.ripn.net, e.dns.ripn.net, d.dns.ripn.net...)

Analysis

Hierarchy

21.su is a parent domain of www.21.su.

IP Addresses

21.su directs to one IP number, which is 62.122.170.171.

Among the host names that share IP numbers with 21.su are 53.187.flatrate.ru, fatc.ru, fexa.ru and two others.

Name Servers

The domain 21.su is delegated to these four name servers: ns3.salenames.ru, ns4.salenames.ru, ns1.snparking.ru and ns2.snparking.ru.

21.su shares at least some of its name servers with other domains, including fryz.ru, fastcat.ru, tahk.ru and two others.

These name servers are frequently seen alongside ns3.domains.ru, ns4.domains.ru, ns1.privateperson.ru and 5 other name servers.

ns3.salenames.ru, ns4.salenames.ru, ns1.snparking.ru and ns2.snparking.ru each have two IP addresses. Specifically, ns3.salenames.ru resolves to 37.221.193.103 and 194.63.142.195, ns4.salenames.ru resolves to 5.45.106.252 and 62.122.170.168, ns1.snparking.ru resolves to 37.221.193.103 and 194.63.142.195 and ns2.snparking.ru resolves to 5.45.106.252 and 62.122.170.168.

Host names pointing to 37.221.193.103 IP addresses: ns3.salenames.ru and ns1.snparking.ru.

Host names pointing to 194.63.142.195 IP addresses: ns3.salenames.ru and ns1.snparking.ru.

Host names pointing to 5.45.106.252 IP addresses: ns4.salenames.ru and ns2.snparking.ru.

Host names pointing to 62.122.170.168 IP addresses: ns4.salenames.ru and ns2.snparking.ru.

Mail Servers

21.su routes its mail through a single mail server, void.blackhole.mx.

21.su has the same mail server arrangement as a number of other domains, for example dolc.ru, brose.ru, xn--80aakp8aji4f.xn--p1ai and two more.

21.su shares at least some of its mail servers with other domains, such as oconnell.co.uk.

void.blackhole.mx directs to 6 IP numbers, including 78.47.159.103, 95.217.0.12 and 195.201.28.161, along with 3 other.