`smart-build.net`

DNSSEC	⚠️ Not signed
A	133.242.190.199^{🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan}
		PTR	`ik1-132-72695.vs.sakura.ne.jp`
NS	`master.dns.ne.jp` ⭐
		A	210.224.172.18^{🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`master.dns.ne.jp`
NS	`ns1.dns.ne.jp`
		A	61.211.236.1^{🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`ns1.dns.ne.jp`
NS	`ns2.dns.ne.jp`
		A	133.167.21.1^{🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan}
			PTR	`ns2.dns.ne.jp`
MX	`smartbuild-net01c.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc1a::^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tycp286cu02600.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::1^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-ty3p286cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::2^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tyvp286cu00302.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::3^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tyvp286cu00203.inbound.protection.outlook.com`
		A	52.101.124.5^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-tyvp286cu00305.inbound.protection.outlook.com`
		A	52.101.157.10^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os0p286cu01302.inbound.protection.outlook.com`
		A	52.101.157.11^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os0p286cu01203.inbound.protection.outlook.com`
		A	52.101.157.40^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os9p286cu00100.inbound.protection.outlook.com`
TXT	`MS=ms59595696`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`master.dns.ne.jp`tech@sakura.ad.jp 2025-10-08 #5

`net`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1777281931

Same first word

smart-build.net

smart-build.co.uk

Similar names

build-smart.de

build-smart.net

build-smart.com

DNS History

22 records (5 active, 17 former)

●NSmaster.dns.ne.jp2026-03-08 → 2026-04-27 · 3 obs

○ 2018-09-03 18:39:48
● 2026-03-08 11:57:16
● 2026-04-27 09:36:34

○NSns07.domaincontrol.com2015-06-26 → 2017-02-13 · 5 obs

○ 2007-09-26 13:41:48
● 2015-06-26 00:09:18
● 2017-02-13 04:20:16
○ 2018-09-03 18:39:48
○ 2026-04-27 09:36:34

○NSns08.domaincontrol.com2015-06-26 → 2017-02-13 · 5 obs

○ 2007-09-26 13:41:48
● 2015-06-26 00:09:18
● 2017-02-13 04:20:16
○ 2018-09-03 18:39:48
○ 2026-04-27 09:36:34

●NSns1.dns.ne.jp2026-03-08 → 2026-04-27 · 3 obs

○ 2018-09-03 18:39:48
● 2026-03-08 11:57:16
● 2026-04-27 09:36:34

●NSns2.dns.ne.jp2026-03-08 → 2026-04-27 · 3 obs

○ 2018-09-03 18:39:48
● 2026-03-08 11:57:16
● 2026-04-27 09:36:34

○NSns8.san.yahoo.com2007-09-26 → 2007-09-26 · 3 obs

● 2007-09-26 13:41:48
○ 2015-06-26 00:09:18
○ 2026-04-27 09:36:34

○NSns9.san.yahoo.com2007-09-26 → 2007-09-26 · 3 obs

● 2007-09-26 13:41:48
○ 2015-06-26 00:09:18
○ 2026-04-27 09:36:34

○NSyns1.yahoo.com2007-09-26 → 2007-09-26 · 3 obs

● 2007-09-26 13:41:48
○ 2015-06-26 00:09:18
○ 2026-04-27 09:36:34

○NSyns2.yahoo.com2007-09-26 → 2007-09-26 · 3 obs

● 2007-09-26 13:41:48
○ 2015-06-26 00:09:18
○ 2026-04-27 09:36:34

○MXmailstore1.secureserver.net2015-06-26 → 2017-02-13 · 5 obs

○ 2007-09-26 13:41:48
● 2015-06-26 00:09:18
● 2017-02-13 04:20:16
○ 2018-09-03 18:39:48
○ 2026-04-27 09:36:34

○MXmx1.biz.mail.yahoo.com2007-09-26 → 2007-09-26 · 3 obs

● 2007-09-26 13:41:48
○ 2015-06-26 00:09:18
○ 2026-04-27 09:36:34

○MXmx5.biz.mail.yahoo.com2007-09-26 → 2007-09-26 · 3 obs

● 2007-09-26 13:41:48
○ 2015-06-26 00:09:18
○ 2026-04-27 09:36:34

●MXsmartbuild-net01c.mail.protection.outlook.com2026-03-08 → 2026-04-27 · 3 obs

○ 2018-09-03 18:39:48
● 2026-03-08 11:57:16
● 2026-04-27 09:36:34

○MXsmtp.secureserver.net2015-06-26 → 2017-02-13 · 5 obs

○ 2007-09-26 13:41:48
● 2015-06-26 00:09:18
● 2017-02-13 04:20:16
○ 2018-09-03 18:39:48
○ 2026-04-27 09:36:34

●A133.242.190.1992026-03-08 → 2026-04-27 · 3 obs

○ 2018-09-03 18:39:48
● 2026-03-08 11:57:16
● 2026-04-27 09:36:34

○A50.63.202.512015-06-26 → 2017-02-13 · 5 obs

○ 2007-09-26 13:41:48
● 2015-06-26 00:09:18
● 2017-02-13 04:20:16
○ 2018-09-03 18:39:48
○ 2026-04-27 09:36:34

○A68.142.234.442007-09-26 → 2007-09-26 · 3 obs

● 2007-09-26 13:41:48
○ 2015-06-26 00:09:18
○ 2026-04-27 09:36:34

○A68.142.234.452007-09-26 → 2007-09-26 · 3 obs

● 2007-09-26 13:41:48
○ 2015-06-26 00:09:18
○ 2026-04-27 09:36:34

○A68.142.234.462007-09-26 → 2007-09-26 · 3 obs

● 2007-09-26 13:41:48
○ 2015-06-26 00:09:18
○ 2026-04-27 09:36:34

○A68.142.234.472007-09-26 → 2007-09-26 · 3 obs

● 2007-09-26 13:41:48
○ 2015-06-26 00:09:18
○ 2026-04-27 09:36:34

○A68.142.234.782007-09-26 → 2007-09-26 · 3 obs

● 2007-09-26 13:41:48
○ 2015-06-26 00:09:18
○ 2026-04-27 09:36:34

○A68.142.234.882007-09-26 → 2007-09-26 · 3 obs

● 2007-09-26 13:41:48
○ 2015-06-26 00:09:18
○ 2026-04-27 09:36:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	f.gtld-servers.net, i.gtld-servers.net, c.gtld-servers.net, k.gtld-servers.net...	-
smart-build.net	ns1.dns.ne.jp, ns2.dns.ne.jp	-

✅ Authoritative Response

Server:61.211.236.1

NS records: ns1.dns.ne.jp, ns2.dns.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for smart-build.net (unsigned zone)

⏱️ Timing

Total: 976ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`133.242.190.199`
NS	2	`ns1.dns.ne.jp, ns2.dns.ne.jp`
MX	1	`smartbuild-net01c.mail.protection.outloo`
TXT	2	`MS=ms59595696, v=spf1 include:spf.protection.outlook.co`
SOA	1	`master.dns.ne.jp tech.sakura.ad.jp`

Analysis

IP Addresses

smart-build.net points to a single IP address: 133.242.190.199.

Name Servers

smart-build.net is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

At least part of the name servers for smart-build.net are shared with other domains, for instance dmsmeeting.com, deloitte.sakura.ne.jp, oomurasaki.sakura.ne.jp, jelc-nmch.sakura.ne.jp and tajima-camper.com.

Host names with a single IP:

master.dns.ne.jp points to: 210.224.172.18

ns1.dns.ne.jp points to: 61.211.236.1

ns2.dns.ne.jp points to: 133.167.21.1

Mail Servers

The mail server for smart-build.net is smartbuild-net01c.mail.protection.outlook.com.

smartbuild-net01c.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:cc1a::, 2a01:111:f403:cc1a::1, 2a01:111:f403:cc1a::2, 2a01:111:f403:cc1a::3, 52.101.124.5, 52.101.157.10, 52.101.157.11 and 52.101.157.40.

smart-build.net - robtex.com

smart-build.net

net

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`smart-build.net`

`net`