`rtk33.ru`

DNSSEC	⚠️ Not signed
A	31.133.200.4^{🇷🇺 ASRTK31.133.200.0/24}
NS	`ns1.rtk33.ru` ⭐
		A	31.133.200.8^{🇷🇺 ASRTK31.133.200.0/24}
NS	`ns2.rtk33.ru`
		A	31.133.200.13^{🇷🇺 ASRTK31.133.200.0/24}
MX	`mx.yandex.net` ⭐
		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.net`
SOA	`ns1.rtk33.ru`www@rtk33.ru 2026-05-14 #28

`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=4068850

rank #994367 globally
rank #33723 in the tld
📈 Tranco rank: #242,350

Subdomains

host-207-130.rtk33.ru

host-202-14.rtk33.ru

mail.rtk33.ru

host-201-178.rtk33.ru

st.rtk33.ru

ns2.rtk33.ru

ns1.rtk33.ru

host-200-122.rtk33.ru

host-204-13.rtk33.ru

www.rtk33.ru

host-203-81.rtk33.ru

web.rtk33.ru

ns.rtk33.ru

Same first word

rtk33.ru

DNS History

6 records (4 active, 2 former)

○NSns.rtk33.ru2015-06-16 → 2019-03-12 · 4 obs

● 2015-06-16 00:51:26
● 2019-03-12 13:40:50
○ 2026-02-16 04:39:34
○ 2026-05-12 19:26:36

●NSns1.rtk33.ru2015-06-16 → 2026-05-12 · 2 obs

● 2015-06-16 00:51:26
● 2026-05-12 19:26:36

●NSns2.rtk33.ru2026-02-16 → 2026-05-12 · 3 obs

○ 2019-03-12 13:40:50
● 2026-02-16 04:39:34
● 2026-05-12 19:26:36

○MXmail.rtk33.ru2015-06-16 → 2017-06-12 · 4 obs

● 2015-06-16 00:51:26
● 2017-06-12 01:12:04
○ 2019-03-12 13:40:50
○ 2026-05-12 19:26:36

●MXmx.yandex.net2019-03-12 → 2026-05-12 · 3 obs

○ 2017-06-12 01:12:04
● 2019-03-12 13:40:50
● 2026-05-12 19:26:36

●A31.133.200.42015-06-16 → 2026-05-12 · 2 obs

● 2015-06-16 00:51:26
● 2026-05-12 19:26:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, d.dns.ripn.net, f.dns.ripn.net, b.dns.ripn.net...	-
rtk33.ru	ns1.rtk33.ru, ns2.rtk33.ru	2 records

✅ Authoritative Response

Server:31.133.200.13

NS records: ns1.rtk33.ru, ns2.rtk33.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rtk33.ru (unsigned zone)

⏱️ Timing

Total: 3849ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`31.133.200.4`
NS	2	`ns1.rtk33.ru, ns2.rtk33.ru`
MX	1	`mx.yandex.net (pri: 10)`
TXT	1	`v=spf1 redirect=_spf.yandex.net`
SOA	1	`ns1.rtk33.ru www.rtk33.ru`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns1.rtk33.ru, ns2.rtk33.ru)

Analysis

Hierarchy

rtk33.ru is a parent of host-207-130.rtk33.ru, host-202-14.rtk33.ru, mail.rtk33.ru, host-201-178.rtk33.ru, st.rtk33.ru and a few other host names.

IP Addresses

rtk33.ru points to a single IP: 31.133.200.4.

Other host names, such as www.rtk33.ru, share IP numbers with rtk33.ru.

Name Servers

Two name servers ns1.rtk33.ru and ns2.rtk33.ru handle delegation for rtk33.ru.

rtk33.ru shares name servers with other domains at least partially, for instance yoniti.ru, 203.133.31.in-addr.arpa, 204.133.31.in-addr.arpa and 200.133.31.in-addr.arpa.

these name servers are commonly used with the name servers ns.rtk33.ru.

Host names with one IP number: The host name ns1.rtk33.ru points to 31.133.200.8 and the host name ns2.rtk33.ru points to 31.133.200.13.

Mail Servers

rtk33.ru is handled by a single mail server, mx.yandex.net.

rtk33.ru has the same mail server setup as other domains, including pechatna.ru, uslugi.kzn.ru, www.rusem.ru, rodimamobilya.com.tr and domovoii.ru.

rtk33.ru shares some mail servers with other domains, at least partially, such as svetli-grad.ru, jnchrc.com, tvervip.ru, epnl.net and dilizhans-hotel.ru.

Host mx.yandex.net resolves to two IPs: 2a02:6b8::311 and 77.88.21.249.

rtk33.ru - robtex.com

rtk33.ru

ru