🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`algorithm.tula.su`

DNSSEC	⚠️ Not signed
A	176.57.64.248^{🇧🇦 DDOS-GUARD176.57.64.0/23}
NS	`ns3-l3.nic.ru` ⭐
		A	193.232.146.5^{🇷🇺 RU-CENTER193.232.146.0/24 -NETWORK}
			PTR	`ns3-l3.nic.ru`
NS	`ns4-l3.nic.ru`
		A	91.217.20.5^{🇷🇺 RU-CENTER91.217.20.0/24}
			PTR	`ns4-l3.nic.ru`
NS	`ns8-l3.nic.ru`
		A	91.217.21.5^{🇷🇺 RU-CENTER-AS91.217.21.0/24 RU-CENTER}
			PTR	`ns8-l3.nic.ru`
MX	`mx.yandex.net` ⭐
		A	2a02:6b8::311^{🇷🇺 TELETECH2a02:6b8::/32 Yandex network}
			PTR	`mxfront.stable.qloud-b.yandex.net`
		A	77.88.21.249^{🇷🇺 TELETECH77.88.0.0/18 Yandex enterprise network}
			PTR	`mxfront.stable.qloud-b.yandex.net`
TXT	`v=spf1 redirect=_spf.yandex.net`
TXT	`v=spf1 include:spf.unisender.com ~all`
TXT	`yandex-verification: 6ba2634ec14c5f46`
SOA	`ns3-l3.nic.ru`dns@nic.ru 2025-05-15 #16

`tula.su`

	DNSSEC	🔒 Signed (DS record present)
	A	178.210.74.11^{🇷🇺 RU-CENTER178.210.64.0/20 -HOSTING}
	NS	`ns3-geo.nic.ru` ⭐
	NS	`ns4-geo.nic.ru`
	NS	`ns8-geo.nic.ru`
	SOA	`ns3-geo.nic.ru`hostmaster@nic.ru serial=408298

rank #274004 globally
rank #86 in the tld
📈 Tranco rank: #432,772

Subdomains

ts-td.algorithm.tula.su

Same first word

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algorithm.co.uk

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roamlight.co

Previous names

Next names

DNS History

5 records (5 active, 0 former)

●NSns3-l3.nic.ru2026-09-06 → 2026-09-23 · 2 obs

● 2026-09-06 16:51:42
● 2026-09-23 01:42:14

●NSns4-l3.nic.ru2026-09-06 → 2026-09-23 · 2 obs

● 2026-09-06 16:51:42
● 2026-09-23 01:42:14

●NSns8-l3.nic.ru2026-09-06 → 2026-09-23 · 2 obs

● 2026-09-06 16:51:42
● 2026-09-23 01:42:14

●MXmx.yandex.net2026-09-06 → 2026-09-23 · 2 obs

● 2026-09-06 16:51:42
● 2026-09-23 01:42:14

●A176.57.64.2482026-09-06 → 2026-09-23 · 2 obs

● 2026-09-06 16:51:42
● 2026-09-23 01:42:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
su	a.dns.ripn.net, b.dns.ripn.net, c.tld-servers.ru, d.dns.ripn.net...	-
tula.su	ns3-geo.nic.ru, ns4-geo.nic.ru, ns8-geo.nic.ru	-
algorithm.tula.su	ns3-l3.nic.ru, ns4-l3.nic.ru, ns8-l3.nic.ru	-

✅ Authoritative Response

Server:193.232.146.5

NS records: ns3-l3.nic.ru, ns4-l3.nic.ru, ns8-l3.nic.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for algorithm.tula.su (unsigned zone)

⏱️ Timing

Total: 4325ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`176.57.64.248`
NS	3	`ns3-l3.nic.ru, ns4-l3.nic.ru...`
MX	1	`mx.yandex.net (pri: 10)`
TXT	3	`v=spf1 redirect=_spf.yandex.net, v=spf1 include:spf.unisender.com ~all...`
SOA	1	`ns3-l3.nic.ru dns.nic.ru`

Analysis

Hierarchy

The domain ts-td.algorithm.tula.su falls under the parent algorithm.tula.su.

IP Addresses

algorithm.tula.su has exactly one IP address — 176.57.64.248.

acesso.integrit.com, poletaika.ru, bik-96.ru plus two other host names have IP numbers in common with algorithm.tula.su.

Name Servers

algorithm.tula.su carries NS records delegating to ns3-l3.nic.ru, ns4-l3.nic.ru and ns8-l3.nic.ru.

At least some of algorithm.tula.su's name servers are shared with other domains, for example its-nv.ru, obzor-system.spb.ru, wurth.spb.ru and two more.

These name servers tend to co-occur with ns34-cloud.nic.ru, ns38-cloud.nic.ru, ns3-l2.nic.ru and 5 other name servers in the same DNS delegations.

ns3-l3.nic.ru points to 193.232.146.5; ns4-l3.nic.ru points to 91.217.20.5; ns8-l3.nic.ru points to 91.217.21.5 — each hostname maps to exactly one IP address.

Mail Servers

algorithm.tula.su uses one mail server — mx.yandex.net.

The mail server setup of algorithm.tula.su matches that of other domains such as pulsarvideo.pro, datmark.ru, bleskservis.ru and two others.

algorithm.tula.su uses mail servers that are also used by other domains, including bestdoctor.ru, aromadon.ru and u-tlc.ru.

mx.yandex.net directs to two IP numbers, 77.88.21.249 and 2a02:6b8::311.

algorithm.tula.su - robtex.com