`usb74.ru`

DNSSEC	⚠️ Not signed
A	91.226.30.3^{🇷🇺 RTCOMM-AS91.226.30.0/24}
NS	`s.i7.ru` ⭐ ⚠️ Not in parent delegation
		A	91.226.30.3^{🇷🇺 RTCOMM-AS91.226.30.0/24}
NS	`n.i7.ru` ⚠️ Not in parent delegation
		A	91.226.31.82^{🇷🇺 WORLDSTREAM-191.226.31.0/24}
NS	`ns1.expired.ru` ⚠️ Not in zone NS records
		A	91.226.30.3^{🇷🇺 RTCOMM-AS91.226.30.0/24}
NS	`ns2.expired.ru` ⚠️ Not in zone NS records
		A	91.226.31.82^{🇷🇺 WORLDSTREAM-191.226.31.0/24}
SOA	`s.i7.ru`dns@i7.ru 2014-12-16 #1

`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=4068657

Previously MX for

mail.usb74.ru

usb74.ru

Subdomains

mail.usb74.ru

Same first word

usb74.ru

Similar names

bus74.ru

bus47.ru

DNS History

25 records (5 active, 20 former)

●NSn.i7.ru2026-03-21 → 2026-04-26 · 3 obs

○ 2018-05-28 04:45:58
● 2026-03-21 08:05:56
● 2026-04-26 16:05:22

●NSns1.expired.ru2026-03-21 → 2026-04-26 · 3 obs

○ 2018-05-28 04:45:58
● 2026-03-21 08:05:56
● 2026-04-26 16:05:22

○NSns1.jino.ru2015-08-06 → 2015-12-07 · 4 obs

● 2015-08-06 15:38:22
● 2015-12-07 21:39:18
○ 2016-03-19 09:43:40
○ 2026-04-26 16:05:22

○NSns1.timeweb.ru2016-05-22 → 2018-05-28 · 5 obs

○ 2016-04-15 12:58:02
● 2016-05-22 08:44:44
● 2018-05-28 04:45:58
○ 2026-03-21 08:05:56
○ 2026-04-26 16:05:22

○NSns157.dns-rus.net2016-03-19 → 2016-04-15 · 5 obs

○ 2015-12-07 21:39:18
● 2016-03-19 09:43:40
● 2016-04-15 12:58:02
○ 2016-05-22 08:44:44
○ 2026-04-26 16:05:22

○NSns158.dns-rus.net2016-03-19 → 2016-04-15 · 5 obs

○ 2015-12-07 21:39:18
● 2016-03-19 09:43:40
● 2016-04-15 12:58:02
○ 2016-05-22 08:44:44
○ 2026-04-26 16:05:22

●NSns2.expired.ru2026-03-21 → 2026-04-26 · 3 obs

○ 2018-05-28 04:45:58
● 2026-03-21 08:05:56
● 2026-04-26 16:05:22

○NSns2.jino.ru2015-08-06 → 2015-12-07 · 4 obs

● 2015-08-06 15:38:22
● 2015-12-07 21:39:18
○ 2016-03-19 09:43:40
○ 2026-04-26 16:05:22

○NSns2.timeweb.ru2016-05-22 → 2018-05-28 · 5 obs

○ 2016-04-15 12:58:02
● 2016-05-22 08:44:44
● 2018-05-28 04:45:58
○ 2026-03-21 08:05:56
○ 2026-04-26 16:05:22

○NSns3.jino.ru2015-08-06 → 2015-12-07 · 4 obs

● 2015-08-06 15:38:22
● 2015-12-07 21:39:18
○ 2016-03-19 09:43:40
○ 2026-04-26 16:05:22

○NSns3.timeweb.org2016-05-22 → 2018-05-28 · 5 obs

○ 2016-04-15 12:58:02
● 2016-05-22 08:44:44
● 2018-05-28 04:45:58
○ 2026-03-21 08:05:56
○ 2026-04-26 16:05:22

○NSns4.jino.ru2015-08-06 → 2015-12-07 · 4 obs

● 2015-08-06 15:38:22
● 2015-12-07 21:39:18
○ 2016-03-19 09:43:40
○ 2026-04-26 16:05:22

○NSns4.timeweb.org2016-05-22 → 2018-05-28 · 5 obs

○ 2016-04-15 12:58:02
● 2016-05-22 08:44:44
● 2018-05-28 04:45:58
○ 2026-03-21 08:05:56
○ 2026-04-26 16:05:22

●NSs.i7.ru2026-03-21 → 2026-04-26 · 3 obs

○ 2018-05-28 04:45:58
● 2026-03-21 08:05:56
● 2026-04-26 16:05:22

○MXmx.yandex.ru2015-08-06 → 2015-12-07 · 4 obs

● 2015-08-06 15:38:22
● 2015-12-07 21:39:18
○ 2016-03-19 09:43:40
○ 2026-04-26 16:05:22

○MXmx1.timeweb.ru2016-05-22 → 2018-05-28 · 5 obs

○ 2016-04-15 12:58:02
● 2016-05-22 08:44:44
● 2018-05-28 04:45:58
○ 2026-03-21 08:05:56
○ 2026-04-26 16:05:22

○MXmx2.timeweb.ru2016-05-22 → 2018-05-28 · 5 obs

○ 2016-04-15 12:58:02
● 2016-05-22 08:44:44
● 2018-05-28 04:45:58
○ 2026-03-21 08:05:56
○ 2026-04-26 16:05:22

○MXusb74.ru2016-03-19 → 2016-04-15 · 5 obs

○ 2015-12-07 21:39:18
● 2016-03-19 09:43:40
● 2016-04-15 12:58:02
○ 2016-05-22 08:44:44
○ 2026-04-26 16:05:22

○A185.28.20.282015-08-06 → 2015-08-06 · 3 obs

● 2015-08-06 15:38:22
○ 2015-10-31 02:08:42
○ 2026-04-26 16:05:22

○A2a03:6f00:1::5c35:60652016-05-22 → 2017-01-18 · 5 obs

○ 2016-04-15 12:58:02
● 2016-05-22 08:44:44
● 2017-01-18 14:03:56
○ 2018-05-28 04:45:58
○ 2026-04-26 16:05:22

○A2a03:6f00:1::5c35:60882018-05-28 → 2018-05-28 · 4 obs

○ 2017-01-18 14:03:56
● 2018-05-28 04:45:58
○ 2026-03-21 08:05:56
○ 2026-04-26 16:05:22

○A91.219.194.102015-10-31 → 2016-04-15 · 5 obs

○ 2015-08-06 15:38:22
● 2015-10-31 02:08:42
● 2016-04-15 12:58:02
○ 2016-05-22 08:44:44
○ 2026-04-26 16:05:22

●A91.226.30.32026-03-21 → 2026-04-26 · 3 obs

○ 2018-05-28 04:45:58
● 2026-03-21 08:05:56
● 2026-04-26 16:05:22

○A92.53.96.1012016-05-22 → 2017-01-18 · 5 obs

○ 2016-04-15 12:58:02
● 2016-05-22 08:44:44
● 2017-01-18 14:03:56
○ 2018-05-28 04:45:58
○ 2026-04-26 16:05:22

○A92.53.96.1362018-05-28 → 2018-05-28 · 4 obs

○ 2017-01-18 14:03:56
● 2018-05-28 04:45:58
○ 2026-03-21 08:05:56
○ 2026-04-26 16:05:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...	-
usb74.ru	ns2.expired.ru, ns1.expired.ru	-

✅ Authoritative Response

Server:91.226.30.3

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for usb74.ru (unsigned zone)

⏱️ Timing

Total: 877ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.226.30.3`
NS	2	`s.i7.ru, n.i7.ru`
SOA	1	`s.i7.ru dns.i7.ru`

Analysis

Hierarchy

The parent of mail.usb74.ru is usb74.ru.

IP Addresses

usb74.ru points to a single IP: 91.226.30.3.

Other host names, for instance avalon-motors.ru, c3gdlk.ru, studio-videoprofi.ru, co-in-f210.lycey66.hdd1.ru and 96med.ru share IP numbers with usb74.ru.

Name Servers

usb74.ru's delegation is handled by four name servers: ns1.expired.ru, ns2.expired.ru, n.i7.ru and s.i7.ru.

usb74.ru partially shares name servers with other domains; examples include olymptrade-otzyvy.ru, vip-escort-moscow.ru, www.vscenergo.ru, (0x706f726e)o-monster.ru and property-turkey.ru.

Host names with a single IP:

ns1.expired.ru points to: 91.226.30.3.

ns2.expired.ru points to: 91.226.31.82.

n.i7.ru points to: 91.226.31.82.

s.i7.ru points to: 91.226.30.3.

Host names pointing to 91.226.30.3: ns1.expired.ru and s.i7.ru.

Host names pointing to 91.226.31.82: ns2.expired.ru and n.i7.ru.

usb74.ru - robtex.com

usb74.ru

ru

Previously MX for

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

`usb74.ru`

`ru`