dou.su - dns.ninja

`dou.su`

DNSSEC	⚠️ Not signed
A	2a00:f940:2:2:1:1:0:303^{🇷🇺 AS-REGRU2a00:f940:2::/48 Reg.Ru Hosting Route}
A	31.31.197.85^{🇷🇺 AS-REGRU31.31.197.0/24 Reg.Ru}
NS	`server303.hosting.reg.ru` ⭐
		A	31.31.197.85^{🇷🇺 AS-REGRU31.31.197.0/24 Reg.Ru}
			PTR	`server303.hosting.reg.ru`
NS	`ns1.hosting.reg.ru`
		A	31.31.194.245^{🇷🇺 AS-REGRU31.31.194.0/24 Reg.Ru}
			PTR	`ns1.hosting.reg.ru`
		A	31.31.194.251^{🇷🇺 AS-REGRU31.31.194.0/24 Reg.Ru}
			PTR	`ns17-1.hosting.reg.ru`
		A	31.31.196.37^{🇷🇺 AS-REGRU31.31.196.0/24 Reg.Ru}
			PTR	`ns18-2.hosting.reg.ru`
		A	31.31.196.52^{🇷🇺 AS-REGRU31.31.196.0/24 Reg.Ru}
			PTR	`ns1.hosting.reg.ru`
		A	31.31.196.61^{🇷🇺 AS-REGRU31.31.196.0/24 Reg.Ru}
			PTR	`ns30-2.hosting.reg.ru`
		A	31.31.196.180^{🇷🇺 AS-REGRU31.31.196.0/24 Reg.Ru}
			PTR	`ns31-1.hosting.reg.ru`
		A	31.31.198.177^{🇷🇺 AS-REGRU31.31.198.0/24 Reg.Ru}
			PTR	`ns2.hosting.reg.ru`
		A	37.140.192.20^{🇷🇺 AS-REGRU37.140.192.0/24 Reg.Ru}
			PTR	`ns29-1.hosting.reg.ru`
		A	37.140.192.93^{🇷🇺 AS-REGRU37.140.192.0/24 Reg.Ru}
			PTR	`ns32-1.hosting.reg.ru`
		A	37.140.193.121^{🇷🇺 AS-REGRU37.140.193.0/24 Reg.Ru}
			PTR	`ns2.hosting.reg.ru`
		A	37.140.196.144^{🇷🇺 AS-REGRU37.140.196.0/24 Reg.Ru}
			PTR	`ns37-1.hosting.reg.ru`
		A	194.58.91.38^{🇷🇺 AS-REGRU194.58.91.0/24 Reg.Ru}
			PTR	`ns38-1.hosting.reg.ru`
		A	194.67.73.6^{🇷🇺 AS-REGRU194.67.73.0/24 Reg.Ru-M9}
			PTR	`ns33-1.hosting.reg.ru`
		A	194.67.73.9^{🇷🇺 AS-REGRU194.67.73.0/24 Reg.Ru-M9}
			PTR	`ns34-2.hosting.reg.ru`
NS	`ns2.hosting.reg.ru`
		A	31.31.194.244^{🇷🇺 AS-REGRU31.31.194.0/24 Reg.Ru}
			PTR	`ns1.hosting.reg.ru`
		A	31.31.196.34^{🇷🇺 AS-REGRU31.31.196.0/24 Reg.Ru}
			PTR	`ns17-2.hosting.reg.ru`
		A	31.31.196.53^{🇷🇺 AS-REGRU31.31.196.0/24 Reg.Ru}
			PTR	`ns1.hosting.reg.ru`
		A	31.31.196.71^{🇷🇺 AS-REGRU31.31.196.0/24 Reg.Ru}
			PTR	`ns32-2.hosting.reg.ru`
		A	31.31.198.161^{🇷🇺 AS-REGRU31.31.198.0/24 Reg.Ru}
			PTR	`ns29-2.hosting.reg.ru`
		A	31.31.198.178^{🇷🇺 AS-REGRU31.31.198.0/24 Reg.Ru}
			PTR	`ns2.hosting.reg.ru`
		A	37.140.192.31^{🇷🇺 AS-REGRU37.140.192.0/24 Reg.Ru}
			PTR	`ns37-2.hosting.reg.ru`
		A	37.140.192.55^{🇷🇺 AS-REGRU37.140.192.0/24 Reg.Ru}
			PTR	`ns30-1.hosting.reg.ru`
		A	37.140.192.58^{🇷🇺 AS-REGRU37.140.192.0/24 Reg.Ru}
			PTR	`ns18-1.hosting.reg.ru`
		A	37.140.192.160^{🇷🇺 AS-REGRU37.140.192.0/24 Reg.Ru}
			PTR	`ns31-2.hosting.reg.ru`
		A	37.140.193.120^{🇷🇺 AS-REGRU37.140.193.0/24 Reg.Ru}
			PTR	`ns2.hosting.reg.ru`
		A	37.140.194.37^{🇷🇺 AS-REGRU37.140.194.0/24 Reg.Ru}
			PTR	`ns38-2.hosting.reg.ru`
		A	194.67.73.7^{🇷🇺 AS-REGRU194.67.73.0/24 Reg.Ru-M9}
			PTR	`ns33-2.hosting.reg.ru`
		A	194.67.73.8^{🇷🇺 AS-REGRU194.67.73.0/24 Reg.Ru-M9}
			PTR	`ns34-1.hosting.reg.ru`
MX	`mx1.hosting.reg.ru` ⭐
		A	31.31.194.240^{🇷🇺 AS-REGRU31.31.194.0/24 Reg.Ru}
			PTR	`relay.hosting.reg.ru`
		A	31.31.194.241^{🇷🇺 AS-REGRU31.31.194.0/24 Reg.Ru}
			PTR	`relay.hosting.reg.ru`
MX	`mx2.hosting.reg.ru`⁽⁵⁾
		A	31.31.194.240^{🇷🇺 AS-REGRU31.31.194.0/24 Reg.Ru}
			PTR	`relay.hosting.reg.ru`
		A	31.31.194.241^{🇷🇺 AS-REGRU31.31.194.0/24 Reg.Ru}
			PTR	`relay.hosting.reg.ru`
TXT	`v=spf1 ip4:31.31.197.85 a mx include:_spf.hosting.reg.ru ~all`
SOA	`server303.hosting.reg.ru`support@reg.ru 2026-05-15 #37

`su`

	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=650209830

WOT: SAFE (60/100)

Same first word

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dou.ru

dou.de

dou.net

dou.so

dou.gov.br

dou.co.kr

dou.su

dou.tw

dou.se

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dou.com

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dou.bz

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dou.ma

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dou.nl

dou.im

dou.com.br

dou.us

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dou.or.kr

dou.co

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dou.red

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dou.edu.ng

dou.one

dou.fr

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dou.in

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Similar names

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uod.edu.do

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duo.us.com

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uod.at

uod.org

duo.de

duo.media

odu.ro

odu.com.vn

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uod.be

oud.com

udo.photo

duo.com.ua

duo.social

duo.at

udo.education

duo.lt

duo.care

uod.me

udo.nl

oud.se

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duo.es

duo.international

odu.ch

duo.im

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duo.com.au

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duo.sk

udo.edu

duo.money

uod.net

duo.me

oud.ro

duo.jobs

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odu.io

duo.gl

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oud.company

duo.no

uod.com

duo.io

uod.eu

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odu.by

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duo.boutique

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odu.vn

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duo.lv

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odu.eu

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duo.my

duo.codes

udo.es

duo.support

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duo.net

odu.edu.uy

duo.london

duo.cz

udo.com.mx

duo.world

duo.digital

odu.ca

udo.mobi

DNS History

13 records (7 active, 6 former)

○NSdns1.yandex.net2015-05-18 → 2016-11-29 · 4 obs

● 2015-05-18 12:07:32
● 2016-11-29 14:13:24
○ 2026-02-18 10:01:36
○ 2026-07-14 07:53:14

○NSdns2.yandex.net2015-05-18 → 2016-11-29 · 4 obs

● 2015-05-18 12:07:32
● 2016-11-29 14:13:24
○ 2026-02-18 10:01:36
○ 2026-07-14 07:53:14

●NSns1.hosting.reg.ru2026-02-18 → 2026-07-14 · 3 obs

○ 2016-11-29 14:13:24
● 2026-02-18 10:01:36
● 2026-07-14 07:53:14

●NSns2.hosting.reg.ru2026-02-18 → 2026-07-14 · 3 obs

○ 2016-11-29 14:13:24
● 2026-02-18 10:01:36
● 2026-07-14 07:53:14

●NSserver303.hosting.reg.ru2026-06-24 → 2026-07-14 · 3 obs

○ 2026-02-18 10:01:36
● 2026-06-24 04:09:48
● 2026-07-14 07:53:14

○MXmx.yandex.net2015-05-18 → 2016-11-29 · 4 obs

● 2015-05-18 12:07:32
● 2016-11-29 14:13:24
○ 2026-02-18 10:01:36
○ 2026-07-14 07:53:14

●MXmx1.hosting.reg.ru2026-02-18 → 2026-07-14 · 3 obs

○ 2016-11-29 14:13:24
● 2026-02-18 10:01:36
● 2026-07-14 07:53:14

●MXmx2.hosting.reg.ru2026-02-18 → 2026-07-14 · 3 obs

○ 2016-11-29 14:13:24
● 2026-02-18 10:01:36
● 2026-07-14 07:53:14

●A2a00:f940:2:2:1:1:0:3032026-06-24 → 2026-07-14 · 3 obs

○ 2026-05-11 06:02:22
● 2026-06-24 04:09:48
● 2026-07-14 07:53:14

○A2a00:f940:2:2:1:4:0:962026-02-18 → 2026-05-11 · 5 obs

○ 2016-11-29 14:13:24
● 2026-02-18 10:01:36
● 2026-05-11 06:02:22
○ 2026-06-24 04:09:48
○ 2026-07-14 07:53:14

●A31.31.197.852026-06-24 → 2026-07-14 · 3 obs

○ 2026-05-11 06:02:22
● 2026-06-24 04:09:48
● 2026-07-14 07:53:14

○A31.31.198.2062026-02-18 → 2026-05-11 · 5 obs

○ 2016-11-29 14:13:24
● 2026-02-18 10:01:36
● 2026-05-11 06:02:22
○ 2026-06-24 04:09:48
○ 2026-07-14 07:53:14

○A37.140.192.2072015-05-18 → 2016-11-29 · 4 obs

● 2015-05-18 12:07:32
● 2016-11-29 14:13:24
○ 2026-02-18 10:01:36
○ 2026-07-14 07:53:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
su	a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...	10 records
dou.su	ns1.hosting.reg.ru, ns2.hosting.reg.ru	-

✅ Authoritative Response

Server:31.31.194.244

NS records: ns1.hosting.reg.ru, ns2.hosting.reg.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dou.su (unsigned zone)

⏱️ Timing

Total: 1154ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`31.31.197.85`
AAAA	1	`2a00:f940:2:2:1:1:0:303`
NS	2	`ns1.hosting.reg.ru, ns2.hosting.reg.ru`
MX	2	`mx1.hosting.reg.ru (pri: 0), mx2.hosting.reg.ru (pri: 5)`
TXT	1	`v=spf1 ip4:31.31.197.85 a mx include:_sp`
SOA	1	`server303.hosting.reg.ru support.reg.ru`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (a.dns.ripn.net, a.dns.ripn.net, b.dns.ripn.net...)

Analysis

IP Addresses

dou.su has two IP addresses: 31.31.197.85 and 2a00:f940:2:2:1:1:0:303

radicalsport.ru, test.ftorpolymer.ru, jumangee.net and two other host names share IP numbers with dou.su.

Name Servers

dou.su has three name servers — ns1.hosting.reg.ru, ns2.hosting.reg.ru and server303.hosting.reg.ru.

At least some of dou.su's name servers are shared with other domains, for example mtlab.space, rus-teplici.ru, pizzawithpineapple.ru and two more.

These name servers tend to co-occur with server256.hosting.reg.ru, server152.hosting.reg.ru, server279.hosting.reg.ru and 7 other name servers in the same DNS delegations.

Hostnames that resolve to 14 IP addresses:

ns1.hosting.reg.ru points to 31.31.194.245, 31.31.194.251, 31.31.196.37 and 11 other IP addresses.

ns2.hosting.reg.ru points to 31.31.194.244, 31.31.196.34, 31.31.196.53 and 11 other IP addresses.

Hosts with just one IP address:

server303.hosting.reg.ru resolves to 31.31.197.85.

Mail Servers

Mail for dou.su is handled by two mail servers — mx1.hosting.reg.ru and mx2.hosting.reg.ru.

dou.su uses an identical mail server configuration to several other domains — among them oncolog.ru, ofamily.ru, algrafs.ru and two more.

The mail servers of dou.su overlap at least partially with those of other domains, including ctb-it.ru, nncube.ru and sambuka.ru.

Both mx1.hosting.reg.ru and mx2.hosting.reg.ru point to 31.31.194.240 and 31.31.194.241.

The host names mx1.hosting.reg.ru and mx2.hosting.reg.ru both resolve to 31.31.194.240 IP addresses.

The host names mx1.hosting.reg.ru and mx2.hosting.reg.ru both resolve to 31.31.194.241 IP addresses.