`expertcen.ru`

DNSSEC	⚠️ Not signed
NS	`dns1.yandex.net` ⭐
		A	2a02:6b8::213^{🇷🇺 TELETECH2a02:6b8::/32 Yandex network}
			PTR	`dns1.yandex.net`
		A	213.180.204.213^{🇷🇺 TELETECH213.180.192.0/19 Yandex network}
			PTR	`dns1.yandex.net`
NS	`dns2.yandex.net`
		A	2a02:6b8:0:1::213^{🇷🇺 TELETECH2a02:6b8::/32 Yandex network}
			PTR	`dns2.yandex.net`
		A	93.158.134.213^{🇷🇺 TELETECH93.158.128.0/18 Yandex enterprise network}
			PTR	`dns2.yandex.net`
MX	`mx.yandex.ru` ⭐
		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.ru`
TXT	`admitad-verification: db0edc3aee`
SOA	`dns1.yandex.net`dns-hosting@yandex.ru serial=30

`ru`

	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=4069678

rank #410715 globally
rank #13381 in the tld
🔒 HSTS Preload (+subdomains)
WOT: SAFE (85/100)
📈 Tranco rank: #279,305

Subdomains

www.expertcen.ru

Same first word

expertcen.ru

expertcen.pl

Similar names

expcenter.ru

expcentre.ru

pexcenter.com

xpertence.net

expcentre.com

necexpert.net

epxcenter.xyz

expercent.com

DNS History

8 records (3 active, 5 former)

●NSdns1.yandex.net2026-02-17 → 2026-07-20 · 3 obs

○ 2017-02-12 10:33:10
● 2026-02-17 19:37:56
● 2026-07-20 02:10:44

○NSdns1.yandex.ru2015-06-01 → 2017-02-12 · 4 obs

● 2015-06-01 21:53:32
● 2017-02-12 10:33:10
○ 2026-02-17 19:37:56
○ 2026-07-20 02:10:44

●NSdns2.yandex.net2026-02-17 → 2026-07-20 · 3 obs

○ 2017-02-12 10:33:10
● 2026-02-17 19:37:56
● 2026-07-20 02:10:44

○NSdns2.yandex.ru2015-06-01 → 2017-02-12 · 4 obs

● 2015-06-01 21:53:32
● 2017-02-12 10:33:10
○ 2026-02-17 19:37:56
○ 2026-07-20 02:10:44

●MXmx.yandex.ru2015-06-01 → 2026-07-20 · 2 obs

● 2015-06-01 21:53:32
● 2026-07-20 02:10:44

○A136.243.39.772015-10-20 → 2017-02-12 · 5 obs

○ 2015-06-01 21:53:32
● 2015-10-20 21:13:36
● 2017-02-12 10:33:10
○ 2026-02-17 19:37:56
○ 2026-07-20 02:10:44

○A5.182.226.1152026-02-17 → 2026-02-17 · 3 obs

○ 2017-02-12 10:33:10
● 2026-02-17 19:37:56
○ 2026-07-20 02:10:44

○A5.9.82.1812015-06-01 → 2015-06-01 · 3 obs

● 2015-06-01 21:53:32
○ 2015-10-20 21:13:36
○ 2026-07-20 02:10:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, d.dns.ripn.net, f.dns.ripn.net, b.dns.ripn.net...	-
expertcen.ru	dns1.yandex.net, dns2.yandex.net	-

✅ Authoritative Response

Server:213.180.204.213

NS records: dns1.yandex.net, dns2.yandex.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for expertcen.ru (unsigned zone)

⏱️ Timing

Total: 1417ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`5.182.226.115`
NS	2	`dns1.yandex.net, dns2.yandex.net`
MX	1	`mx.yandex.ru (pri: 10)`
SOA	1	`dns1.yandex.net dns-hosting.yandex.ru`

Analysis

Hierarchy

expertcen.ru is the parent zone for www.expertcen.ru.

Name Servers

The NS records for expertcen.ru delegate to dns1.yandex.net and dns2.yandex.net.

The name server configuration of expertcen.ru is shared with other domains, for instance javaops.ru, ace-solutions.ru, hopper-it.ru and two others.

expertcen.ru partially shares its NS delegation with several other domains, including oooo.su, naknet.ru, bekreeva.ru and two others.

These name servers are regularly seen alongside dns1.yandex.ru and dns2.yandex.ru as name servers.

dns1.yandex.net resolves to 213.180.204.213 and 2a02:6b8::213. Likewise, dns2.yandex.net resolves to 93.158.134.213 and 2a02:6b8:0:1::213 — two IP addresses apiece.

Mail Servers

expertcen.ru uses one mail server — mx.yandex.ru.

The mail server setup of expertcen.ru matches that of other domains such as brightmen.ru, xentryportal.store, rnrdom.ru and two others.

At least some of the mail servers used by expertcen.ru are shared with other domains: evroklimat-nv.ru, paysale.net, ia-sib.ru and two others among them.

These mail servers tend to be used in conjunction with the mail servers mx.yandex.net.

The host mx.yandex.ru resolves to 77.88.21.249 and 2a02:6b8::311 — two IP addresses.

expertcen.ru - robtex.com

expertcen.ru

ru