🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`optimization.su`

DNSSEC	⚠️ Not signed
A	2a00:15f8:a000:5:1:11:7:77f6^{🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48}
A	2a00:15f8:a000:5:1:12:7:77f6^{🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48}
A	2a00:15f8:a000:5:1:13:7:77f6^{🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48}
A	2a00:15f8:a000:5:1:14:7:77f6^{🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48}
A	90.156.201.59^{🇷🇺 MASTERHOST-AS90.156.201.0/24}
A	90.156.201.60^{🇷🇺 MASTERHOST-AS90.156.201.0/24}
A	90.156.201.116^{🇷🇺 MASTERHOST-AS90.156.201.0/24}
A	90.156.201.117^{🇷🇺 MASTERHOST-AS90.156.201.0/24}
NS	`ns2.masterhost.ru` ⭐
		A	2a00:15f8:a000:12:1:1:2:53^{🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48}
			PTR	`ns2.masterhost.ru`
		A	90.156.133.161^{🇷🇺 MASTERHOST-AS90.156.128.0/20}
			PTR	`ns2.masterhost.ru`
NS	`ns.masterhost.ru`
		A	2a00:15f8:a000:10:1:1:0:53^{🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48}
			PTR	`ns.masterhost.ru`
		A	90.156.136.116^{🇷🇺 MASTERHOST-AS90.156.128.0/20}
			PTR	`ns.masterhost.ru`
NS	`ns1.masterhost.ru`
		A	2a00:15f8:a000:11:1:1:1:53^{🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48}
			PTR	`ns1.masterhost.ru`
		A	90.156.137.50^{🇷🇺 MASTERHOST-AS90.156.128.0/20}
			PTR	`ns1.masterhost.ru`
SOA	`ns1.masterhost.ru`hostmaster@masterhost.ru serial=1759828319

`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=650210490

⚠️ On DNS blocklist: spam-tlds

Same first word

optimization.workers.dev

optimization.com

optimization.business

optimization.se

optimization.support

optimization.bg

optimization.software

optimization.pt

optimization.rest

optimization.network

optimization.blog

optimization.expert

optimization.global

optimization.tech

optimization.ai

optimization.by

optimization.today

optimization.training

optimization.eu.org

optimization.ninja

optimization.co

optimization.eu

optimization.team

optimization.su

optimization.dev

optimization.help

optimization.to

optimization.cn

optimization.health

optimization.zone

optimization.co.uk

optimization.xyz

optimization.tv

optimization.biz

optimization.education

optimization.lifestyle

optimization.coach

optimization.com.cn

optimization.digital

optimization.life

optimization.icu

optimization.agency

optimization.com.br

optimization.ca

optimization.at

optimization.ru.com

optimization.dk

optimization.info

optimization.guide

optimization.one

optimization.club

optimization.com.au

optimization.cc

optimization.group

optimization.nu

optimization.guru

optimization.in

optimization.management

optimization.wtf

optimization.org

optimization.ru

optimization.company

optimization.io

optimization.uk

optimization.md

optimization.com.ua

Previous names

optik.su

optika.su

optikon.su

optiline.su

optilink.su

optim.su

optima.su

optimag.su

optimal.su

optimalgroup.su

optimalno.su

optimalvent.su

optimamed.su

optimaservis.su

optimax.su

optimed.su

optimism.su

optimist.su

Next names

optimizator.su

optimizer.su

optimizing.su

optimo.su

optimumtrade.su

optimuslab.su

option.su

options.su

optiprom.su

optisalt-shop.su

optisalt.su

optivision.su

optix.su

optled.su

optmarket.su

optmarket52.su

optmebel.su

optmoda.su

optnowa.su

optofox.su

DNS History

29 records (11 active, 18 former)

○NSexpirepages-kiae-1.nic.ru2016-01-04 → 2016-01-04 · 4 obs

○ 2015-10-22 01:34:32
● 2016-01-04 18:11:06
○ 2016-04-04 03:06:18
○ 2026-09-06 22:01:52

○NSexpirepages-kiae-2.nic.ru2016-01-04 → 2016-01-04 · 4 obs

○ 2015-10-22 01:34:32
● 2016-01-04 18:11:06
○ 2016-04-04 03:06:18
○ 2026-09-06 22:01:52

●NSns.masterhost.ru2026-09-04 → 2026-09-06 · 3 obs

○ 2017-10-12 23:31:04
● 2026-09-04 20:47:34
● 2026-09-06 22:01:52

○NSns1.expired.reg.ru2016-12-08 → 2016-12-08 · 4 obs

○ 2016-04-04 03:06:18
● 2016-12-08 22:23:18
○ 2017-10-12 23:31:04
○ 2026-09-06 22:01:52

●NSns1.masterhost.ru2026-09-04 → 2026-09-06 · 3 obs

○ 2017-10-12 23:31:04
● 2026-09-04 20:47:34
● 2026-09-06 22:01:52

○NSns1.sedoparking.com2015-06-03 → 2015-10-22 · 4 obs

● 2015-06-03 16:52:40
● 2015-10-22 01:34:32
○ 2016-01-04 18:11:06
○ 2026-09-06 22:01:52

○NSns1.spaceweb.ru2016-04-04 → 2016-04-04 · 4 obs

○ 2016-01-04 18:11:06
● 2016-04-04 03:06:18
○ 2016-12-08 22:23:18
○ 2026-09-06 22:01:52

○NSns2.expired.reg.ru2016-12-08 → 2016-12-08 · 4 obs

○ 2016-04-04 03:06:18
● 2016-12-08 22:23:18
○ 2017-10-12 23:31:04
○ 2026-09-06 22:01:52

●NSns2.masterhost.ru2026-09-04 → 2026-09-06 · 3 obs

○ 2017-10-12 23:31:04
● 2026-09-04 20:47:34
● 2026-09-06 22:01:52

○NSns2.sedoparking.com2015-06-03 → 2015-10-22 · 4 obs

● 2015-06-03 16:52:40
● 2015-10-22 01:34:32
○ 2016-01-04 18:11:06
○ 2026-09-06 22:01:52

○NSns2.spaceweb.ru2016-04-04 → 2016-04-04 · 4 obs

○ 2016-01-04 18:11:06
● 2016-04-04 03:06:18
○ 2016-12-08 22:23:18
○ 2026-09-06 22:01:52

○NSns3.spaceweb.pro2016-04-04 → 2016-04-04 · 4 obs

○ 2016-01-04 18:11:06
● 2016-04-04 03:06:18
○ 2016-12-08 22:23:18
○ 2026-09-06 22:01:52

○NSns4.spaceweb.pro2016-04-04 → 2016-04-04 · 4 obs

○ 2016-01-04 18:11:06
● 2016-04-04 03:06:18
○ 2016-12-08 22:23:18
○ 2026-09-06 22:01:52

○MXmail.nickstel.com2015-06-03 → 2015-10-22 · 4 obs

● 2015-06-03 16:52:40
● 2015-10-22 01:34:32
○ 2016-01-04 18:11:06
○ 2026-09-06 22:01:52

○MXmx1.spaceweb.ru2016-04-04 → 2016-04-04 · 4 obs

○ 2016-01-04 18:11:06
● 2016-04-04 03:06:18
○ 2016-12-08 22:23:18
○ 2026-09-06 22:01:52

○MXmx2.spaceweb.ru2016-04-04 → 2016-04-04 · 4 obs

○ 2016-01-04 18:11:06
● 2016-04-04 03:06:18
○ 2016-12-08 22:23:18
○ 2026-09-06 22:01:52

○A109.70.26.372016-01-04 → 2016-01-04 · 4 obs

○ 2015-10-22 01:34:32
● 2016-01-04 18:11:06
○ 2016-04-04 03:06:18
○ 2026-09-06 22:01:52

○A194.58.56.82016-12-08 → 2016-12-08 · 4 obs

○ 2016-04-04 03:06:18
● 2016-12-08 22:23:18
○ 2017-10-12 23:31:04
○ 2026-09-06 22:01:52

○A194.85.61.762016-01-04 → 2016-01-04 · 4 obs

○ 2015-10-22 01:34:32
● 2016-01-04 18:11:06
○ 2016-04-04 03:06:18
○ 2026-09-06 22:01:52

●A2a00:15f8:a000:5:1:11:7:77f62026-09-04 → 2026-09-06 · 3 obs

○ 2017-10-12 23:31:04
● 2026-09-04 20:47:34
● 2026-09-06 22:01:52

●A2a00:15f8:a000:5:1:12:7:77f62026-09-04 → 2026-09-06 · 3 obs

○ 2017-10-12 23:31:04
● 2026-09-04 20:47:34
● 2026-09-06 22:01:52

●A2a00:15f8:a000:5:1:13:7:77f62026-09-04 → 2026-09-06 · 3 obs

○ 2017-10-12 23:31:04
● 2026-09-04 20:47:34
● 2026-09-06 22:01:52

●A2a00:15f8:a000:5:1:14:7:77f62026-09-04 → 2026-09-06 · 3 obs

○ 2017-10-12 23:31:04
● 2026-09-04 20:47:34
● 2026-09-06 22:01:52

○A72.52.4.912015-06-03 → 2015-10-22 · 4 obs

● 2015-06-03 16:52:40
● 2015-10-22 01:34:32
○ 2016-01-04 18:11:06
○ 2026-09-06 22:01:52

○A77.222.42.962016-04-04 → 2016-04-04 · 4 obs

○ 2016-01-04 18:11:06
● 2016-04-04 03:06:18
○ 2016-12-08 22:23:18
○ 2026-09-06 22:01:52

●A90.156.201.1162026-09-04 → 2026-09-06 · 3 obs

○ 2017-10-12 23:31:04
● 2026-09-04 20:47:34
● 2026-09-06 22:01:52

●A90.156.201.1172026-09-04 → 2026-09-06 · 3 obs

○ 2017-10-12 23:31:04
● 2026-09-04 20:47:34
● 2026-09-06 22:01:52

●A90.156.201.592026-09-04 → 2026-09-06 · 3 obs

○ 2017-10-12 23:31:04
● 2026-09-04 20:47:34
● 2026-09-06 22:01:52

●A90.156.201.602026-09-04 → 2026-09-06 · 3 obs

○ 2017-10-12 23:31:04
● 2026-09-04 20:47:34
● 2026-09-06 22:01:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
su	a.dns.ripn.net, b.dns.ripn.net, c.tld-servers.ru, d.dns.ripn.net...	12 records
optimization.su	ns.masterhost.ru, ns1.masterhost.ru, ns2.masterhost.ru	-

✅ Authoritative Response

Server:90.156.136.116

NS records: ns.masterhost.ru, ns1.masterhost.ru, ns2.masterhost.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for optimization.su (unsigned zone)

⏱️ Timing

Total: 1405ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`90.156.201.59, 90.156.201.116...`
AAAA	4	`2a00:15f8:a000:5:1:13:7:77f6, 2a00:15f8:a000:5:1:12:7:77f6...`
NS	3	`ns2.masterhost.ru, ns1.masterhost.ru...`
SOA	1	`ns1.masterhost.ru hostmaster.masterhost.`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (a.dns.ripn.net, a.dns.ripn.net, b.dns.ripn.net...)

Analysis

IP Addresses

optimization.su points to 8 IP addresses, including 90.156.201.59, 90.156.201.60 and 90.156.201.116, plus 5 other.

antondudarev.com, linkki.ru, sinmark.ru plus two other host names have IP numbers in common with optimization.su.

Name Servers

The authoritative name servers for optimization.su are ns1.masterhost.ru, ns2.masterhost.ru and ns.masterhost.ru — three in total.

optimization.su has at least partial name server overlap with other domains, such as amurpoint.ru, tmpx.ru, tvericons.ru and two others.

ns1.masterhost.ru, ns2.masterhost.ru and ns.masterhost.ru all resolve to exactly two IP numbers apiece: ns1.masterhost.ru → 90.156.137.50 and 2a00:15f8:a000:11:1:1:1:53; ns2.masterhost.ru → 90.156.133.161 and 2a00:15f8:a000:12:1:1:2:53; ns.masterhost.ru → 90.156.136.116 and 2a00:15f8:a000:10:1:1:0:53.

optimization.su - robtex.com

optimization.su

su

Same first word

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`optimization.su`

`su`