`smartbiz.su`

DNSSEC	⚠️ Not signed
A	193.162.143.209^{🇷🇺 FIRST-SERVER-EUROPE193.162.143.0/24}
		PTR	`o5b.developer.example.com`
NS	`firstbytedns.net` ⭐
NS	`ns1.firstbytedns.net`
		A	2a04:5200:ffff::320b^{🇸🇨 FIRSTBYTE-AS2a04:5200:ffff::/48}
			PTR	`free.ds`
		A	185.104.248.26^{🇷🇺 FIRSTBYTE-AS185.104.248.0/24}
			PTR	`ns1.firstbytedns.net`
NS	`ns1.firstbytedns.ru` ⚠️ Not in parent delegation
		A	2a04:5200:ffff::320b^{🇸🇨 FIRSTBYTE-AS2a04:5200:ffff::/48}
			PTR	`free.ds`
		A	185.104.248.26^{🇷🇺 FIRSTBYTE-AS185.104.248.0/24}
			PTR	`ns1.firstbytedns.net`
NS	`ns2.firstbytedns.net`
		A	2a04:5200:ffff::35de^{🇸🇨 FIRSTBYTE-AS2a04:5200:ffff::/48}
			PTR	`ns2.firstbytedns.net`
		A	185.104.248.27^{🇷🇺 FIRSTBYTE-AS185.104.248.0/24}
			PTR	`ns2.firstbytedns.net`
NS	`ns2.firstbytedns.ru` ⚠️ Not in parent delegation
		A	2a04:5200:ffff::35de^{🇸🇨 FIRSTBYTE-AS2a04:5200:ffff::/48}
			PTR	`ns2.firstbytedns.net`
		A	185.104.248.27^{🇷🇺 FIRSTBYTE-AS185.104.248.0/24}
			PTR	`ns2.firstbytedns.net`
NS	`ns3.firstbytedns.net`
		A	2a04:5200:ffff::115d^{🇸🇨 FIRSTBYTE-AS2a04:5200:ffff::/48}
			PTR	`ns3.firstbytedns.com`
		A	185.180.230.222^{🇷🇺 FIRSTBYTE-AS185.180.230.0/24}
			PTR	`ns3.firstbytedns.net`
NS	`ns3.firstbytedns.ru` ⚠️ Not in parent delegation
		A	2a04:5200:ffff::115d^{🇸🇨 FIRSTBYTE-AS2a04:5200:ffff::/48}
			PTR	`ns3.firstbytedns.com`
		A	185.180.230.222^{🇷🇺 FIRSTBYTE-AS185.180.230.0/24}
			PTR	`ns3.firstbytedns.net`
MX	`mail.smartbiz.su` ⭐
SOA	`firstbytedns.net`tech@firstbytedns.net 2021-06-02 #1

`su`

	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=650208516

Same first word

smartbiz.co.il

smartbiz.com.pl

smartbiz.ru

smartbiz.hr

smartbiz.su

smartbiz.com.br

smartbiz.be

smartbiz.co.nz

smartbiz.nl

smartbiz.io

smartbiz.co

smartbiz.pl

smartbiz.com.ro

smartbiz.pt

smartbiz.kz

smartbiz.tr

smartbiz.services

smartbiz.net

smartbiz.no

smartbiz.biz

smartbiz.cl

smartbiz.ie

smartbiz.pro

smartbiz.ro

smartbiz.com

smartbiz.ch

smartbiz.fr

smartbiz.eu

smartbiz.in

smartbiz.com.vn

smartbiz.cn

smartbiz.info

smartbiz.cz

Similar names

DNS History

16 records (9 active, 7 former)

●NSfirstbytedns.net2026-03-03 → 2026-03-27 · 3 obs

○ 2016-07-07 15:28:20
● 2026-03-03 15:48:24
● 2026-03-27 04:55:22

●NSns1.firstbytedns.net2026-03-03 → 2026-03-27 · 3 obs

○ 2016-07-07 15:28:20
● 2026-03-03 15:48:24
● 2026-03-27 04:55:22

●NSns1.firstbytedns.ru2026-03-03 → 2026-03-27 · 3 obs

○ 2016-07-07 15:28:20
● 2026-03-03 15:48:24
● 2026-03-27 04:55:22

○NSns1.spaceweb.ru2015-07-10 → 2016-03-02 · 4 obs

● 2015-07-10 02:19:00
● 2016-03-02 11:53:38
○ 2016-07-07 15:28:20
○ 2026-03-27 04:55:22

●NSns2.firstbytedns.net2026-03-03 → 2026-03-27 · 3 obs

○ 2016-07-07 15:28:20
● 2026-03-03 15:48:24
● 2026-03-27 04:55:22

●NSns2.firstbytedns.ru2026-03-03 → 2026-03-27 · 3 obs

○ 2016-07-07 15:28:20
● 2026-03-03 15:48:24
● 2026-03-27 04:55:22

○NSns2.spaceweb.ru2015-07-10 → 2016-03-02 · 4 obs

● 2015-07-10 02:19:00
● 2016-03-02 11:53:38
○ 2016-07-07 15:28:20
○ 2026-03-27 04:55:22

●NSns3.firstbytedns.net2026-03-03 → 2026-03-27 · 3 obs

○ 2016-07-07 15:28:20
● 2026-03-03 15:48:24
● 2026-03-27 04:55:22

●NSns3.firstbytedns.ru2026-03-03 → 2026-03-27 · 3 obs

○ 2016-07-07 15:28:20
● 2026-03-03 15:48:24
● 2026-03-27 04:55:22

○NSns3.spaceweb.pro2015-07-10 → 2016-03-02 · 4 obs

● 2015-07-10 02:19:00
● 2016-03-02 11:53:38
○ 2016-07-07 15:28:20
○ 2026-03-27 04:55:22

○NSns4.spaceweb.pro2015-07-10 → 2016-03-02 · 4 obs

● 2015-07-10 02:19:00
● 2016-03-02 11:53:38
○ 2016-07-07 15:28:20
○ 2026-03-27 04:55:22

●MXmail.smartbiz.su2026-03-03 → 2026-03-27 · 3 obs

○ 2016-07-07 15:28:20
● 2026-03-03 15:48:24
● 2026-03-27 04:55:22

○MXmx1.spaceweb.ru2015-07-10 → 2016-03-02 · 4 obs

● 2015-07-10 02:19:00
● 2016-03-02 11:53:38
○ 2016-07-07 15:28:20
○ 2026-03-27 04:55:22

○MXmx2.spaceweb.ru2015-07-10 → 2016-03-02 · 4 obs

● 2015-07-10 02:19:00
● 2016-03-02 11:53:38
○ 2016-07-07 15:28:20
○ 2026-03-27 04:55:22

●A193.162.143.2092026-03-03 → 2026-03-27 · 3 obs

○ 2016-07-07 15:28:20
● 2026-03-03 15:48:24
● 2026-03-27 04:55:22

○A77.222.61.1282015-07-10 → 2016-03-02 · 4 obs

● 2015-07-10 02:19:00
● 2016-03-02 11:53:38
○ 2016-07-07 15:28:20
○ 2026-03-27 04:55:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
su	a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...	-
smartbiz.su	ns1.firstbytedns.net, ns2.firstbytedns.net, ns3.firstbytedns.net	-

✅ Authoritative Response

Server:185.104.248.27

NS records: ns1.firstbytedns.net, ns2.firstbytedns.net, ns3.firstbytedns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for smartbiz.su (unsigned zone)

⏱️ Timing

Total: 4333ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`193.162.143.209`
MX	2	`mail.smartbiz.su (pri: 20), mail.smartbiz.su (pri: 10)`
SOA	1	`firstbytedns.net tech.firstbytedns.net`

Analysis

IP Addresses

smartbiz.su points to a single IP number: 193.162.143.209.

Name Servers

smartbiz.su is delegated to seven name servers: firstbytedns.net, ns1.firstbytedns.net, ns2.firstbytedns.net, ns3.firstbytedns.net, ns1.firstbytedns.ru, ns2.firstbytedns.ru and ns3.firstbytedns.ru.

smartbiz.su at least partially shares name servers with other domains, for instance gorod-belokuriha.ru, loveisshop.ru, 1-amor-wedding-photography.com, premiumfix.ru and mes-it.ru.

these name servers are commonly used with ipmgr.firstbyte.ru, host.first-server.net and ipmgr.first-server.net.

Host names with two IP numbers:

ns1.firstbytedns.net points to 2a04:5200:ffff::320b and 185.104.248.26.

ns2.firstbytedns.net points to 2a04:5200:ffff::35de and 185.104.248.27.

ns3.firstbytedns.net points to 2a04:5200:ffff::115d and 185.180.230.222.

ns1.firstbytedns.ru points to 2a04:5200:ffff::320b and 185.104.248.26.

ns2.firstbytedns.ru points to 2a04:5200:ffff::35de and 185.104.248.27.

ns3.firstbytedns.ru points to 2a04:5200:ffff::115d and 185.180.230.222.

Host names that point to 2a04:5200:ffff::320b: ns1.firstbytedns.net and ns1.firstbytedns.ru.

Host names that point to 185.104.248.26: ns1.firstbytedns.net and ns1.firstbytedns.ru.

Host names that point to 2a04:5200:ffff::35de: ns2.firstbytedns.net and ns2.firstbytedns.ru.

Host names that point to 185.104.248.27: ns2.firstbytedns.net and ns2.firstbytedns.ru.

Host names that point to 2a04:5200:ffff::115d: ns3.firstbytedns.net and ns3.firstbytedns.ru.

Host names that point to 185.180.230.222: ns3.firstbytedns.net and ns3.firstbytedns.ru.

Mail Servers

smartbiz.su is handled by a single mail server, mail.smartbiz.su.

smartbiz.su - robtex.com

smartbiz.su

su

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`smartbiz.su`

`su`