`dou50.ru`

DNSSEC	⚠️ Not signed
A	46.30.40.101^{🇳🇱 IRONHOST46.30.40.0/24}
		PTR	`isp11.eurobyte.ru`
NS	`isp11.eurobyte.ru` ⭐
		A	46.30.40.101^{🇳🇱 IRONHOST46.30.40.0/24}
			PTR	`isp11.eurobyte.ru`
NS	`ns1.eurobyte.ru`
		A	37.143.10.32^{🇷🇺 EUROBYTE37.143.10.0/23}
			PTR	`ns4.eurobyte.ru`
		A	46.254.19.50^{🇷🇺 EUROBYTE46.254.18.0/23}
			PTR	`ns1.eurobyte.ru`
NS	`ns2.eurobyte.ru`
		A	37.143.9.188^{🇷🇺 EUROBYTE37.143.8.0/23}
			PTR	`ns3.eurobyte.ru`
		A	37.143.12.10^{🇷🇺 EUROBYTE37.143.12.0/23}
			PTR	`ns2.eurobyte.ru`
NS	`ns3.eurobyte.ru` ⚠️ Not in zone NS records
		A	37.143.10.32^{🇷🇺 EUROBYTE37.143.10.0/23}
			PTR	`ns4.eurobyte.ru`
		A	37.143.12.10^{🇷🇺 EUROBYTE37.143.12.0/23}
			PTR	`ns2.eurobyte.ru`
NS	`ns4.eurobyte.ru` ⚠️ Not in zone NS records
		A	37.143.10.32^{🇷🇺 EUROBYTE37.143.10.0/23}
			PTR	`ns4.eurobyte.ru`
		A	37.143.12.10^{🇷🇺 EUROBYTE37.143.12.0/23}
			PTR	`ns2.eurobyte.ru`
MX	`mail.dou50.ru` ⭐
		A	46.30.40.101^{🇳🇱 IRONHOST46.30.40.0/24}
			PTR	`isp11.eurobyte.ru`
TXT	`v=spf1 ip4:46.30.40.101 ip4:46.30.40.101 a mx ~all`
SOA	`isp11.eurobyte.ru`support@eurobyte.ru 2023-09-20 #0

`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=4068304

Subdomains

mail.dou50.ru

Same first word

dou50.ru

Similar names

50dou.ru

DNS History

12 records (7 active, 5 former)

●NSisp11.eurobyte.ru2026-02-21 → 2026-03-28 · 3 obs

○ 2016-03-11 01:09:24
● 2026-02-21 11:35:24
● 2026-03-28 08:42:34

●NSns1.eurobyte.ru2026-02-21 → 2026-03-28 · 3 obs

○ 2016-03-11 01:09:24
● 2026-02-21 11:35:24
● 2026-03-28 08:42:34

○NSns1.uweb.ru2015-08-10 → 2016-03-11 · 4 obs

● 2015-08-10 11:24:10
● 2016-03-11 01:09:24
○ 2026-02-21 11:35:24
○ 2026-03-28 08:42:34

●NSns2.eurobyte.ru2026-02-21 → 2026-03-28 · 3 obs

○ 2016-03-11 01:09:24
● 2026-02-21 11:35:24
● 2026-03-28 08:42:34

○NSns2.uweb.ru2015-08-10 → 2016-03-11 · 4 obs

● 2015-08-10 11:24:10
● 2016-03-11 01:09:24
○ 2026-02-21 11:35:24
○ 2026-03-28 08:42:34

●NSns3.eurobyte.ru2026-02-21 → 2026-03-28 · 3 obs

○ 2016-03-11 01:09:24
● 2026-02-21 11:35:24
● 2026-03-28 08:42:34

●NSns4.eurobyte.ru2026-02-21 → 2026-03-28 · 3 obs

○ 2016-03-11 01:09:24
● 2026-02-21 11:35:24
● 2026-03-28 08:42:34

○MXemx.mail.ru2015-08-10 → 2016-03-11 · 4 obs

● 2015-08-10 11:24:10
● 2016-03-11 01:09:24
○ 2026-02-21 11:35:24
○ 2026-03-28 08:42:34

●MXmail.dou50.ru2026-02-21 → 2026-03-28 · 3 obs

○ 2016-03-11 01:09:24
● 2026-02-21 11:35:24
● 2026-03-28 08:42:34

○A193.109.246.2142015-08-10 → 2016-03-11 · 4 obs

● 2015-08-10 11:24:10
● 2016-03-11 01:09:24
○ 2016-07-13 14:22:46
○ 2026-03-28 08:42:34

●A46.30.40.1012026-02-21 → 2026-03-28 · 3 obs

○ 2016-07-13 14:22:46
● 2026-02-21 11:35:24
● 2026-03-28 08:42:34

○A89.111.166.602016-07-13 → 2016-07-13 · 4 obs

○ 2016-03-11 01:09:24
● 2016-07-13 14:22:46
○ 2026-02-21 11:35:24
○ 2026-03-28 08:42:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...	-
dou50.ru	ns1.eurobyte.ru, ns4.eurobyte.ru, ns3.eurobyte.ru, ns2.eurobyte.ru	-

✅ Authoritative Response

Server:37.143.10.32

NS records: ns1.eurobyte.ru, ns4.eurobyte.ru, ns3.eurobyte.ru, ns2.eurobyte.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dou50.ru (unsigned zone)

⏱️ Timing

Total: 1132ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`46.30.40.101`
NS	2	`ns1.eurobyte.ru, ns2.eurobyte.ru`
MX	2	`mail.dou50.ru (pri: 10), mail.dou50.ru (pri: 20)`
TXT	1	`v=spf1 ip4:46.30.40.101 ip4:46.30.40.101`
SOA	1	`isp11.eurobyte.ru support.eurobyte.ru`

Analysis

Hierarchy

dou50.ru is a parent of mail.dou50.ru.

IP Addresses

dou50.ru points to a single IP address: 46.30.40.101.

Other host names such as alcostyle.ru, ruwikipedia.ru, mail.vannaprofi.ru, mail.fabrikagu.ru and mail.nex.su share IP numbers with dou50.ru.

Name Servers

dou50.ru is delegated to five name servers: isp11.eurobyte.ru, ns1.eurobyte.ru, ns2.eurobyte.ru, ns3.eurobyte.ru and ns4.eurobyte.ru.

At least part of the name servers for dou50.ru are shared with other domains, for instance okci.ru, tea-life.ru, artgasm.ru, chayka-dv.ru and xn--d1acef2a9c.xn--p1ai.