`preparesystems.ru`

DNSSEC	⚠️ Not signed
NS	`ns2.masterhost.ru` ⭐
		A	2a00:15f8:a000:12:1:1:2:53^{🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48}
			PTR	`ns2.masterhost.ru`
		A	90.156.133.161^{🇷🇺 MASTERHOST-AS90.156.128.0/20}
			PTR	`ns2.masterhost.ru`
NS	`ns.masterhost.ru`
		A	2a00:15f8:a000:10:1:1:0:53^{🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48}
			PTR	`ns.masterhost.ru`
		A	90.156.136.116^{🇷🇺 MASTERHOST-AS90.156.128.0/20}
			PTR	`ns.masterhost.ru`
NS	`ns1.masterhost.ru`
		A	2a00:15f8:a000:11:1:1:1:53^{🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48}
			PTR	`ns1.masterhost.ru`
		A	90.156.137.50^{🇷🇺 MASTERHOST-AS90.156.128.0/20}
			PTR	`ns1.masterhost.ru`
MX	`mail.preparesystems.ru` ⭐
		A	46.38.55.2^{🇷🇺 TCTEL46.38.48.0/21 -NET}
			PTR	`post.presys.ru`
SOA	`ns1.masterhost.ru`hostmaster@masterhost.ru serial=1488215712

`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=4068489

Subdomains

mail.preparesystems.ru

Same first word

preparesystems.ru

preparesystems.com

DNS History

4 records (4 active, 0 former)

●NSns.masterhost.ru2015-07-21 → 2026-04-12 · 2 obs

● 2015-07-21 01:24:04
● 2026-04-12 16:50:56

●NSns1.masterhost.ru2015-07-21 → 2026-04-12 · 2 obs

● 2015-07-21 01:24:04
● 2026-04-12 16:50:56

●NSns2.masterhost.ru2015-07-21 → 2026-04-12 · 2 obs

● 2015-07-21 01:24:04
● 2026-04-12 16:50:56

●MXmail.preparesystems.ru2015-07-21 → 2026-04-12 · 2 obs

● 2015-07-21 01:24:04
● 2026-04-12 16:50:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...	-
preparesystems.ru	ns1.masterhost.ru, ns2.masterhost.ru, ns.masterhost.ru	-

✅ Authoritative Response

Server:90.156.137.50

NS records: ns1.masterhost.ru, ns2.masterhost.ru, ns.masterhost.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for preparesystems.ru (unsigned zone)

⏱️ Timing

Total: 818ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`ns2.masterhost.ru, ns.masterhost.ru...`
MX	1	`mail.preparesystems.ru (pri: 10)`
SOA	1	`ns1.masterhost.ru hostmaster.masterhost.`

Analysis

Hierarchy

The parent of mail.preparesystems.ru is preparesystems.ru.

Name Servers

preparesystems.ru is delegated to three name servers ns1.masterhost.ru, ns2.masterhost.ru and ns.masterhost.ru.

preparesystems.ru at least partially shares name servers with other domains, for instance avkcolor.ru, pct.su, news-regions.ru, reklama.uz and techno-tel.ru.

Host names with two IP numbers:

ns1.masterhost.ru points to 2a00:15f8:a000:11:1:1:1:53 and 90.156.137.50; ns2.masterhost.ru points to 2a00:15f8:a000:12:1:1:2:53 and 90.156.133.161; ns.masterhost.ru points to 2a00:15f8:a000:10:1:1:0:53 and 90.156.136.116.

Mail Servers

preparesystems.ru is handled by a single mail server, mail.preparesystems.ru.

The host name mail.preparesystems.ru points to IP 46.38.55.2.

preparesystems.ru - robtex.com