🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`ts-td.algorithm.tula.su`

DNSSEC	⚠️ Not signed
A	157.22.197.23^{🇺🇸 ENETWORKS128.0.0.0/2}
		PTR	`ts-td.algorithm.tula.su`

`algorithm.tula.su`

	DNSSEC	⚠️ Not signed
	A	176.57.64.248^{🇧🇦 DDOS-GUARD176.57.64.0/23}
	NS	`ns3-l3.nic.ru` ⭐
	NS	`ns4-l3.nic.ru`
	NS	`ns8-l3.nic.ru`
	MX	`mx.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

PTR for

23.197.22.157.in-addr.arpa

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Previous names

Next names

DNS History

1 record (1 active, 0 former)

●A157.22.197.232026-09-16 → 2026-10-16 · 2 obs

● 2026-09-16 02:49:22
● 2026-10-16 14:22:26

🔍 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
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: 3457ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`157.22.197.23`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

ts-td.algorithm.tula.su points to a single IP number: 157.22.197.23.

Other host names, such as test1c.sytes.net, share IP numbers with ts-td.algorithm.tula.su.

ts-td.algorithm.tula.su - robtex.com