`centrspec.ru`

DNSSEC	⚠️ Not signed
A	2a03:6f00:6:1::b972:f755^{🇷🇺 TimeWeb-AS2a03:6f00:6::/48}
A	87.249.38.179^{🇷🇺 TimeWeb-AS87.249.38.0/24}
NS	`ns1.timeweb.ru` ⭐
		A	2a03:6f04:dead:bee::1^{🇷🇺 TimeWeb-AS2a03:6f00::/29}
		A	85.193.93.93^{🇵🇱 TimeWeb-AS85.193.93.0/24}
			PTR	`ns1.timeweb.ru`
NS	`ns2.timeweb.ru`
		A	2a03:6f04:dead:bee::2^{🇷🇺 TimeWeb-AS2a03:6f00::/29}
		A	85.193.93.85^{🇵🇱 TimeWeb-AS85.193.93.0/24}
			PTR	`ns2.timeweb.ru`
NS	`ns3.timeweb.org`
		A	2a03:6f07:4::2^{🇷🇺 TimeWeb-AS2a03:6f00::/29}
		A	217.78.234.130^{🇷🇺 TimeWeb-AS217.78.234.0/24}
NS	`ns4.timeweb.org`
		A	2a00:65e0:6:5:232a::2^{🇷🇺 RETNRU-SPB-AS2a00:65e0::/32 CJSC "RetnNet"}
		A	139.45.249.139^{🇷🇺 RETNRU-SPB-AS139.45.248.0/21 RETN-SPB}
			PTR	`gw-139.45.249.139-rt1.km.spb.retn.ru`
MX	`mail2.centrspec.ru` ⭐
		A	2a03:6f00:6:1::b972:f755^{🇷🇺 TimeWeb-AS2a03:6f00:6::/48}
		A	82.204.128.11^{🇷🇺 MTS82.204.128.0/17 Mobile TeleSystems PJSC, Moscow division / former COMSTAR Telecommunications RUSSIA}
			PTR	`mail.liga-spec.ru`
MX	`mail.centrspec.ru`⁽²⁰⁾
		A	2a03:6f00:6:1::b972:f755^{🇷🇺 TimeWeb-AS2a03:6f00:6::/48}
		A	91.233.188.148^{🇷🇺 ASILBIT91.233.188.0/23 IlbitRoute}
			PTR	`mail.liga-spec.ru`
TXT	`v=spf1 ip4:92.53.116.0/22 ip4:92.53.96.0/22 ip4:92.53.112.0/22 ip4:92.53.104....`
SOA	`ns1.timeweb.ru`dns@timeweb.ru serial=15

`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=4068492

Subdomains

mail2.centrspec.ru

mail.centrspec.ru

Same first word

centrspec.ru

Similar names

pcscenter.com

psccenter.com

centerpcs.com

DNS History

21 records (8 active, 13 former)

○NSexpirepages-kiae-1.nic.ru2015-12-02 → 2015-12-02 · 4 obs

○ 2015-11-05 14:13:42
● 2015-12-02 15:10:52
○ 2016-03-07 15:46:28
○ 2026-04-12 22:00:00

○NSexpirepages-kiae-2.nic.ru2015-12-02 → 2015-12-02 · 4 obs

○ 2015-11-05 14:13:42
● 2015-12-02 15:10:52
○ 2016-03-07 15:46:28
○ 2026-04-12 22:00:00

○NSns1.hosting.reg.ru2016-03-07 → 2016-12-03 · 5 obs

○ 2015-12-02 15:10:52
● 2016-03-07 15:46:28
● 2016-12-03 21:07:26
○ 2026-02-16 00:04:26
○ 2026-04-12 22:00:00

○NSns1.pa.infobox.ru2015-06-06 → 2015-11-05 · 4 obs

● 2015-06-06 10:31:38
● 2015-11-05 14:13:42
○ 2015-12-02 15:10:52
○ 2026-04-12 22:00:00

●NSns1.timeweb.ru2026-02-16 → 2026-04-12 · 3 obs

○ 2016-12-03 21:07:26
● 2026-02-16 00:04:26
● 2026-04-12 22:00:00

○NSns2.hosting.reg.ru2016-03-07 → 2016-12-03 · 5 obs

○ 2015-12-02 15:10:52
● 2016-03-07 15:46:28
● 2016-12-03 21:07:26
○ 2026-02-16 00:04:26
○ 2026-04-12 22:00:00

○NSns2.pa.infobox.ru2015-06-06 → 2015-11-05 · 4 obs

● 2015-06-06 10:31:38
● 2015-11-05 14:13:42
○ 2015-12-02 15:10:52
○ 2026-04-12 22:00:00

●NSns2.timeweb.ru2026-02-16 → 2026-04-12 · 3 obs

○ 2016-12-03 21:07:26
● 2026-02-16 00:04:26
● 2026-04-12 22:00:00

●NSns3.timeweb.org2026-02-16 → 2026-04-12 · 3 obs

○ 2016-12-03 21:07:26
● 2026-02-16 00:04:26
● 2026-04-12 22:00:00

●NSns4.timeweb.org2026-02-16 → 2026-04-12 · 3 obs

○ 2016-12-03 21:07:26
● 2026-02-16 00:04:26
● 2026-04-12 22:00:00

●MXmail.centrspec.ru2026-02-16 → 2026-04-12 · 3 obs

○ 2016-12-03 21:07:26
● 2026-02-16 00:04:26
● 2026-04-12 22:00:00

●MXmail2.centrspec.ru2026-02-16 → 2026-04-12 · 3 obs

○ 2016-12-03 21:07:26
● 2026-02-16 00:04:26
● 2026-04-12 22:00:00

○MXmx1.hosting.reg.ru2016-03-07 → 2016-12-03 · 4 obs

● 2016-03-07 15:46:28
● 2016-12-03 21:07:26
○ 2026-02-16 00:04:26
○ 2026-04-12 22:00:00

○MXmx2.hosting.reg.ru2016-03-07 → 2016-12-03 · 4 obs

● 2016-03-07 15:46:28
● 2016-12-03 21:07:26
○ 2026-02-16 00:04:26
○ 2026-04-12 22:00:00

○A109.120.173.2232015-06-06 → 2015-11-05 · 4 obs

● 2015-06-06 10:31:38
● 2015-11-05 14:13:42
○ 2015-12-02 15:10:52
○ 2026-04-12 22:00:00

○A109.70.26.372015-12-02 → 2015-12-02 · 4 obs

○ 2015-11-05 14:13:42
● 2015-12-02 15:10:52
○ 2016-03-07 15:46:28
○ 2026-04-12 22:00:00

○A194.85.61.762015-12-02 → 2015-12-02 · 4 obs

○ 2015-11-05 14:13:42
● 2015-12-02 15:10:52
○ 2016-03-07 15:46:28
○ 2026-04-12 22:00:00

●A2a03:6f00:6:1::b972:f7552026-02-16 → 2026-04-12 · 3 obs

○ 2016-12-03 21:07:26
● 2026-02-16 00:04:26
● 2026-04-12 22:00:00

○A37.140.192.1482016-03-07 → 2016-03-07 · 4 obs

○ 2015-12-02 15:10:52
● 2016-03-07 15:46:28
○ 2016-07-11 06:14:40
○ 2026-04-12 22:00:00

○A37.140.192.1542016-07-11 → 2016-12-03 · 5 obs

○ 2016-03-07 15:46:28
● 2016-07-11 06:14:40
● 2016-12-03 21:07:26
○ 2026-02-16 00:04:26
○ 2026-04-12 22:00:00

●A87.249.38.1792026-02-16 → 2026-04-12 · 3 obs

○ 2016-12-03 21:07:26
● 2026-02-16 00:04:26
● 2026-04-12 22:00:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...	-
centrspec.ru	ns1.timeweb.ru, ns2.timeweb.ru, ns3.timeweb.org, ns4.timeweb.org	2 records

✅ Authoritative Response

Server:217.78.234.130

NS records: ns1.timeweb.ru, ns2.timeweb.ru, ns3.timeweb.org, ns4.timeweb.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for centrspec.ru (unsigned zone)

⏱️ Timing

Total: 966ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`87.249.38.179`
AAAA	1	`2a03:6f00:6:1::b972:f755`
NS	4	`ns2.timeweb.ru, ns3.timeweb.org...`
MX	2	`mail2.centrspec.ru (pri: 20), mail.centrspec.ru (pri: 10)`
TXT	1	`v=spf1 ip4:92.53.116.0/22 ip4:92.53.96.0`
SOA	1	`ns1.timeweb.ru dns.timeweb.ru`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.timeweb.ru, ns2.timeweb.ru)

Analysis

Hierarchy

centrspec.ru is a parent of mail2.centrspec.ru and mail.centrspec.ru.

IP Addresses

centrspec.ru points to two IP numbers: 2a03:6f00:6:1::b972:f755 and 87.249.38.179.

Other host names, for instance ustiantehnikum29.ru, gsfrb.ru, gutnov.ru, boombox.perm.ru and naf-st.ru share IP numbers with centrspec.ru.

Name Servers

centrspec.ru is delegated to four name servers: ns3.timeweb.org, ns4.timeweb.org, ns1.timeweb.ru and ns2.timeweb.ru.

centrspec.ru shares name servers with other domains at least partially, for instance 194.214.229.46.in-addr.arpa, netfiles.ru, cafestart.ru, ivbuhgalter.ru and auraklimat.ru.

Host names with two IP numbers:

ns3.timeweb.org resolves to 2a03:6f07:4::2 and 217.78.234.130.

ns4.timeweb.org resolves to 2a00:65e0:6:5:232a::2 and 139.45.249.139.

ns1.timeweb.ru resolves to 2a03:6f04:dead:bee::1 and 85.193.93.93.

ns2.timeweb.ru resolves to 2a03:6f04:dead:bee::2 and 85.193.93.85.

Mail Servers

centrspec.ru is handled by two mail servers: mail2.centrspec.ru and mail.centrspec.ru.

Host names with two IP numbers:

mail2.centrspec.ru points to 2a03:6f00:6:1::b972:f755 and 82.204.128.11.

mail.centrspec.ru points to 2a03:6f00:6:1::b972:f755 and 91.233.188.148.

Names pointing to 2a03:6f00:6:1::b972:f755: mail2.centrspec.ru and mail.centrspec.ru.

centrspec.ru - robtex.com

centrspec.ru

ru

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`centrspec.ru`

`ru`