code4u.ru - dns.ninja

`code4u.ru`

DNSSEC	⚠️ Not signed
A	127.0.0.1
NS	`ns1.ihc.ru` ⭐
		A	2a03:c980:beef:6002:46:254:23:52^{🇷🇺 EUROBYTE2a03:c980:beef::/48}
			PTR	`ns1.ihc.ru`
		A	46.254.23.52^{🇷🇺 EUROBYTE46.254.23.0/24}
			PTR	`ns1.ihc.ru`
NS	`ns2.ihc.ru`
		A	2001:41d0:1008:2c3b::1^{🇫🇷 OVH2001:41d0::/32 IPv6}
			PTR	`ns2.ihc.ru`
		A	46.254.22.38^{🇷🇺 EUROBYTE46.254.22.0/24}
			PTR	`ns1.ihc.ru`
		A	91.121.54.18^{🇫🇷 OVH91.121.0.0/16 ISP Paris, France}
			PTR	`ns2.ihc.ru`
MX	`mail.code4u.ru` ⭐
		A	127.0.0.1
SOA	`ns1.ihc.ru`info@ihc.ru 2024-03-28 #1

`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=4069854

Subdomains

mail.code4u.ru

Same first word

code4u.ru

code4u.cn

code4u.co

code4u.co.il

code4u.com

code4u.net

code4u.nl

code4u.de

code4u.vn

code4u.org

Similar names

4educo.com

edoc4u.com

deco4u.com

deco4u.de

4ucode.com

DNS History

17 records (4 active, 13 former)

○NSns1.digitalocean.com2016-04-12 → 2016-04-12 · 4 obs

○ 2016-01-09 16:47:54
● 2016-04-12 02:48:56
○ 2017-02-05 01:55:02
○ 2026-08-03 17:22:04

●NSns1.ihc.ru2017-02-05 → 2026-08-03 · 3 obs

○ 2016-04-12 02:48:56
● 2017-02-05 01:55:02
● 2026-08-03 17:22:04

○NSns1.jino.ru2015-06-03 → 2016-01-09 · 4 obs

● 2015-06-03 18:28:54
● 2016-01-09 16:47:54
○ 2016-04-12 02:48:56
○ 2026-08-03 17:22:04

○NSns2.digitalocean.com2016-04-12 → 2016-04-12 · 4 obs

○ 2016-01-09 16:47:54
● 2016-04-12 02:48:56
○ 2017-02-05 01:55:02
○ 2026-08-03 17:22:04

●NSns2.ihc.ru2017-02-05 → 2026-08-03 · 3 obs

○ 2016-04-12 02:48:56
● 2017-02-05 01:55:02
● 2026-08-03 17:22:04

○NSns2.jino.ru2015-06-03 → 2016-01-09 · 4 obs

● 2015-06-03 18:28:54
● 2016-01-09 16:47:54
○ 2016-04-12 02:48:56
○ 2026-08-03 17:22:04

○NSns3.digitalocean.com2016-04-12 → 2016-04-12 · 4 obs

○ 2016-01-09 16:47:54
● 2016-04-12 02:48:56
○ 2017-02-05 01:55:02
○ 2026-08-03 17:22:04

○NSns3.jino.ru2015-06-03 → 2016-01-09 · 4 obs

● 2015-06-03 18:28:54
● 2016-01-09 16:47:54
○ 2016-04-12 02:48:56
○ 2026-08-03 17:22:04

○NSns4.jino.ru2015-06-03 → 2016-01-09 · 4 obs

● 2015-06-03 18:28:54
● 2016-01-09 16:47:54
○ 2016-04-12 02:48:56
○ 2026-08-03 17:22:04

○MXemx.mail.ru2015-06-03 → 2016-01-09 · 4 obs

● 2015-06-03 18:28:54
● 2016-01-09 16:47:54
○ 2016-04-12 02:48:56
○ 2026-08-03 17:22:04

●MXmail.code4u.ru2017-02-05 → 2026-08-03 · 3 obs

○ 2016-04-12 02:48:56
● 2017-02-05 01:55:02
● 2026-08-03 17:22:04

●A127.0.0.12026-04-07 → 2026-08-03 · 3 obs

○ 2018-08-03 18:36:48
● 2026-04-07 07:02:52
● 2026-08-03 17:22:04

○A2a03:c980::1:20:132017-02-05 → 2017-02-05 · 4 obs

○ 2016-04-12 02:48:56
● 2017-02-05 01:55:02
○ 2018-08-03 18:36:48
○ 2026-08-03 17:22:04

○A2a03:c980:dead:1013:46:254:21:692018-08-03 → 2018-08-03 · 4 obs

○ 2017-02-05 01:55:02
● 2018-08-03 18:36:48
○ 2026-04-07 07:02:52
○ 2026-08-03 17:22:04

○A46.101.172.1612016-04-12 → 2016-04-12 · 4 obs

○ 2016-01-09 16:47:54
● 2016-04-12 02:48:56
○ 2017-02-05 01:55:02
○ 2026-08-03 17:22:04

○A46.254.21.692017-02-05 → 2018-08-03 · 5 obs

○ 2016-04-12 02:48:56
● 2017-02-05 01:55:02
● 2018-08-03 18:36:48
○ 2026-04-07 07:02:52
○ 2026-08-03 17:22:04

○A81.177.139.1232015-06-03 → 2016-01-09 · 4 obs

● 2015-06-03 18:28:54
● 2016-01-09 16:47:54
○ 2016-04-12 02:48:56
○ 2026-08-03 17:22:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...	-
code4u.ru	ns1.ihc.ru, ns2.ihc.ru	5 records

✅ Authoritative Response

Server:46.254.22.38

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for code4u.ru (unsigned zone)

⏱️ Timing

Total: 788ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`127.0.0.1`
NS	2	`ns2.ihc.ru, ns1.ihc.ru`
MX	1	`mail.code4u.ru (pri: 10)`
SOA	1	`ns1.ihc.ru info.ihc.ru`

📌 Glue Records Collected

Total: 5

Out-of-bailiwick: 5 (ns2.ihc.ru, ns2.ihc.ru, ns1.ihc.ru...)

Analysis

Hierarchy

mail.code4u.ru is a subdomain of code4u.ru.

IP Addresses

code4u.ru has exactly one IP address — 127.0.0.1.

ohmenerji.com, hahabibi.sinaapp.com, gussmanntech.com plus two other host names have IP numbers in common with code4u.ru.

Name Servers

DNS delegation for code4u.ru points to two name servers: ns1.ihc.ru and ns2.ihc.ru.

The name server configuration of code4u.ru is shared with other domains, for instance montagka.ru, remvrn.ru, razduda.ru and two others.

Host names carrying three IP numbers:

ns2.ihc.ru has IP addresses 46.254.22.38, 91.121.54.18 and 2001:41d0:1008:2c3b::1.

Host names pointing to two IP addresses:

ns1.ihc.ru has two IP addresses: 46.254.23.52 and 2a03:c980:beef:6002:46:254:23:52.

Mail Servers

code4u.ru uses one mail server — mail.code4u.ru.

mail.code4u.ru has exactly one IP number: 127.0.0.1.