`rtk-dc.ru`

DNSSEC	⚠️ Not signed
A	77.95.128.115^{🇷🇺 SAFEDATA77.95.128.0/21 safedata cidr block}
NS	`ns1.sfdata.ru` ⭐
		A	176.53.132.132^{🇷🇺 DTLN176.53.132.0/24}
NS	`ns2.sfdata.ru`
		A	193.58.179.34^{🇷🇺 DTLN193.58.179.0/24}
MX	`mxfront01.rt-dc.ru` ⭐
		A	185.27.160.198^{🇷🇺 SAFEDATA185.27.160.0/22 safedata cidr block}
			PTR	`mxfront01.rt-dc.ru`
TXT	`globalsign-domain-verification=ONVWarB0ZWeNz11LqCQguwbAqlUdWJNw5NGr75fAK-`
TXT	`v=spf1 ip4:77.95.134.133 ip4:77.95.128.114 -all`
TXT	`MS=A3D9C1C77F195D9B255A78E876437C91114A6C55`
TXT	`globalsign-domain-verification=DZe47plBlC-TJrs6EhuxSYzBUPGbUD7sM1R_ousW6R`
SOA	`ns1.sfdata.ru`dnsmaster@sfdata.ru 2025-02-12 #2

`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=4068284

📈 Tranco rank: #283,402

Subdomains

www.rtk-dc.ru

mxfe01.rtk-dc.ru

Same first word

rtk-dc.ru

Similar names

cd-krt.com

rtk-cd.ru

DNS History

6 records (4 active, 2 former)

●NSns1.sfdata.ru2018-05-08 → 2026-03-26 · 2 obs

● 2018-05-08 14:52:46
● 2026-03-26 16:59:36

●NSns2.sfdata.ru2018-05-08 → 2026-03-26 · 2 obs

● 2018-05-08 14:52:46
● 2026-03-26 16:59:36

○MXmxfe01.rtk-dc.ru2018-05-08 → 2018-05-08 · 3 obs

● 2018-05-08 14:52:46
○ 2026-02-20 16:17:42
○ 2026-03-26 16:59:36

●MXmxfront01.rt-dc.ru2026-02-20 → 2026-03-26 · 3 obs

○ 2018-05-08 14:52:46
● 2026-02-20 16:17:42
● 2026-03-26 16:59:36

●A77.95.128.1152026-02-20 → 2026-03-26 · 3 obs

○ 2018-05-08 14:52:46
● 2026-02-20 16:17:42
● 2026-03-26 16:59:36

○A77.95.130.1402018-05-08 → 2018-05-08 · 3 obs

● 2018-05-08 14:52:46
○ 2026-02-20 16:17:42
○ 2026-03-26 16:59:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...	-
rtk-dc.ru	ns1.sfdata.ru, ns2.sfdata.ru	2 records

✅ Authoritative Response

Server:176.53.132.132

NS records: ns1.sfdata.ru, ns2.sfdata.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rtk-dc.ru (unsigned zone)

⏱️ Timing

Total: 740ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`77.95.128.115`
NS	2	`ns2.sfdata.ru, ns1.sfdata.ru`
MX	1	`mxfront01.rt-dc.ru (pri: 10)`
TXT	4	`globalsign-domain-verification=ONVWarB0Z, MS=A3D9C1C77F195D9B255A78E876437C91114A6...`
SOA	1	`ns1.sfdata.ru dnsmaster.sfdata.ru`

📌 Glue Records Collected

Total: 2

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

Analysis

Hierarchy

rtk-dc.ru is parent of www.rtk-dc.ru and mxfe01.rtk-dc.ru.

IP Addresses

rtk-dc.ru resolves to a single IP address: 77.95.128.115.

Other host names such as www.safedata.ru, www.rtk-dc.ru and safedata.ru share IP numbers with rtk-dc.ru.

Name Servers

rtk-dc.ru's delegation uses two name servers, ns1.sfdata.ru and ns2.sfdata.ru.

rtk-dc.ru shares the same name server setup as other domains, for example 130.95.77.in-addr.arpa, 175.15.185.in-addr.arpa, safedata.ru, 134.95.77.in-addr.arpa and 160.27.185.in-addr.arpa.

Host names with a single IP:

ns1.sfdata.ru points to 176.53.132.132.

ns2.sfdata.ru points to 193.58.179.34.

Mail Servers

rtk-dc.ru is handled by a single mail server, mxfront01.rt-dc.ru.

rtk-dc.ru shares its mail server setup with other domains, including mmts9.ru, rt-cd.ru, basis.ru, rtk-it.ru and basistech.ru.

mxfront01.rt-dc.ru points to a single IP: 185.27.160.198.

rtk-dc.ru - robtex.com

rtk-dc.ru

ru