`koltsov-kb.ru`

DNSSEC	⚠️ Not signed
A	31.31.196.94^{🇷🇺 AS-REGRU31.31.196.0/24 Reg.Ru}
		PTR	`server205.hosting.reg.ru`
NS	`server205.hosting.reg.ru` ⭐
		A	31.31.196.94^{🇷🇺 AS-REGRU31.31.196.0/24 Reg.Ru}
			PTR	`server205.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	`mail.koltsov-kb.ru` ⭐
		A	81.3.154.83^{🇷🇺 TECOM-AS81.3.154.0/24 Tekom St.Petersburg}
			PTR	`mail.kolcov-kb.com`
			PTR	`mail.aonikol.ru`
			PTR	`mail.koltsov-kb.ru`
MX	`mailbc.koltsov-kb.ru`⁽²⁰⁾
		A	185.119.59.196^{🇷🇺 TimeWeb-AS185.119.59.0/24}
			PTR	`mailbc.kolcov-kb.com`
TXT	`v=spf1 ip4:81.3.154.83 ip4:185.119.59.196 a mx`
SOA	`server205.hosting.reg.ru`support@reg.ru serial=2020033218

`ru`

	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=4068637

Subdomains

mail.koltsov-kb.ru

mailbc.koltsov-kb.ru

Same first word

koltsov-kb.ru

DNS History

18 records (6 active, 12 former)

○NSns.masterhost.ru2020-01-26 → 2020-01-26 · 3 obs

● 2020-01-26 03:55:00
○ 2026-02-27 06:21:34
○ 2026-04-25 00:32:00

●NSns1.hosting.reg.ru2026-02-27 → 2026-04-25 · 3 obs

○ 2020-01-26 03:55:00
● 2026-02-27 06:21:34
● 2026-04-25 00:32:00

○NSns1.masterhost.ru2020-01-26 → 2020-01-26 · 3 obs

● 2020-01-26 03:55:00
○ 2026-02-27 06:21:34
○ 2026-04-25 00:32:00

●NSns2.hosting.reg.ru2026-02-27 → 2026-04-25 · 3 obs

○ 2020-01-26 03:55:00
● 2026-02-27 06:21:34
● 2026-04-25 00:32:00

○NSns2.masterhost.ru2020-01-26 → 2020-01-26 · 3 obs

● 2020-01-26 03:55:00
○ 2026-02-27 06:21:34
○ 2026-04-25 00:32:00

●NSserver205.hosting.reg.ru2026-02-27 → 2026-04-25 · 3 obs

○ 2020-01-26 03:55:00
● 2026-02-27 06:21:34
● 2026-04-25 00:32:00

●MXmail.koltsov-kb.ru2026-02-27 → 2026-04-25 · 3 obs

○ 2020-01-26 03:55:00
● 2026-02-27 06:21:34
● 2026-04-25 00:32:00

●MXmailbc.koltsov-kb.ru2026-02-27 → 2026-04-25 · 3 obs

○ 2020-01-26 03:55:00
● 2026-02-27 06:21:34
● 2026-04-25 00:32:00

○MXmx.yandex.net2020-01-26 → 2020-01-26 · 3 obs

● 2020-01-26 03:55:00
○ 2026-02-27 06:21:34
○ 2026-04-25 00:32:00

○A2a00:15f8:a000:5:1:11:7:920d2020-01-26 → 2020-01-26 · 3 obs

● 2020-01-26 03:55:00
○ 2026-02-27 06:21:34
○ 2026-04-25 00:32:00

○A2a00:15f8:a000:5:1:12:7:920d2020-01-26 → 2020-01-26 · 3 obs

● 2020-01-26 03:55:00
○ 2026-02-27 06:21:34
○ 2026-04-25 00:32:00

○A2a00:15f8:a000:5:1:13:7:920d2020-01-26 → 2020-01-26 · 3 obs

● 2020-01-26 03:55:00
○ 2026-02-27 06:21:34
○ 2026-04-25 00:32:00

○A2a00:15f8:a000:5:1:14:7:920d2020-01-26 → 2020-01-26 · 3 obs

● 2020-01-26 03:55:00
○ 2026-02-27 06:21:34
○ 2026-04-25 00:32:00

●A31.31.196.942026-02-27 → 2026-04-25 · 3 obs

○ 2020-01-26 03:55:00
● 2026-02-27 06:21:34
● 2026-04-25 00:32:00

○A90.156.201.492020-01-26 → 2020-01-26 · 3 obs

● 2020-01-26 03:55:00
○ 2026-02-27 06:21:34
○ 2026-04-25 00:32:00

○A90.156.201.622020-01-26 → 2020-01-26 · 3 obs

● 2020-01-26 03:55:00
○ 2026-02-27 06:21:34
○ 2026-04-25 00:32:00

○A90.156.201.642020-01-26 → 2020-01-26 · 3 obs

● 2020-01-26 03:55:00
○ 2026-02-27 06:21:34
○ 2026-04-25 00:32:00

○A90.156.201.822020-01-26 → 2020-01-26 · 3 obs

● 2020-01-26 03:55:00
○ 2026-02-27 06:21:34
○ 2026-04-25 00:32:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...	-
koltsov-kb.ru	ns2.hosting.reg.ru, ns1.hosting.reg.ru	-

✅ Authoritative Response

Server:31.31.194.244

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for koltsov-kb.ru (unsigned zone)

⏱️ Timing

Total: 781ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`31.31.196.94`
NS	2	`ns1.hosting.reg.ru, ns2.hosting.reg.ru`
MX	2	`mail.koltsov-kb.ru (pri: 10), mailbc.koltsov-kb.ru (pri: 20)`
TXT	1	`v=spf1 ip4:81.3.154.83 ip4:185.119.59.19`
SOA	1	`server205.hosting.reg.ru support.reg.ru`

Analysis

Hierarchy

koltsov-kb.ru is a parent of mail.koltsov-kb.ru and mailbc.koltsov-kb.ru.

IP Addresses

koltsov-kb.ru resolves to one IP number: 31.31.196.94.

Other host names, for instance s-gan.ru, studiopaprika.ru, vektor-mos.ru, www.xn----jtbnbixdby0fq.xn--p1ai and mail.tanci-spb.ru share IP numbers with koltsov-kb.ru.

Name Servers

koltsov-kb.ru is delegated to three name servers: ns1.hosting.reg.ru, ns2.hosting.reg.ru and server205.hosting.reg.ru.

koltsov-kb.ru at least partially shares name servers with other domains, including ipear.ru, sdtour.ru, keywordz.ru, monsterdonate.ru and ryazanszn.ru.

These name servers are commonly used with server256.hosting.reg.ru, server152.hosting.reg.ru, server279.hosting.reg.ru, server163.hosting.reg.ru, server74.hosting.reg.ru and server26.hosting.reg.ru.

Host names with fourteen IP numbers:

ns1.hosting.reg.ru points to: 31.31.194.245, 31.31.194.251, 31.31.196.37, 31.31.196.52, 31.31.196.61, 31.31.196.180, 31.31.198.177, 37.140.192.20, 37.140.192.93, 37.140.193.121, 37.140.196.144, 194.58.91.38, 194.67.73.6 and 194.67.73.9.

ns2.hosting.reg.ru points to: 31.31.194.244, 31.31.196.34, 31.31.196.53, 31.31.196.71, 31.31.198.161, 31.31.198.178, 37.140.192.31, 37.140.192.55, 37.140.192.58, 37.140.192.160, 37.140.193.120, 37.140.194.37, 194.67.73.7 and 194.67.73.8.

Host names with one IP number:

server205.hosting.reg.ru points to: 31.31.196.94.

Mail Servers

koltsov-kb.ru is served by two mail servers mail.koltsov-kb.ru and mailbc.koltsov-kb.ru.

Host names with a single IP address: mail.koltsov-kb.ru points to 81.3.154.83; mailbc.koltsov-kb.ru points to 185.119.59.196.

koltsov-kb.ru - robtex.com

koltsov-kb.ru

ru

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`koltsov-kb.ru`

`ru`