`komatsuna.com`

DNSSEC	⚠️ Not signed
A	204.2.252.203^{🇺🇸 NTT-GIN-AS204.0.0.0/14 NTT-1}
NS	`ns1-03.azure-dns.com` ⭐
		A	2603:1061:0:700::3^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-03.azure-dns.com`
		A	13.107.236.3^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-03.azure-dns.com`
NS	`ns2-03.azure-dns.net`
		A	2620:1ec:8ec:700::3^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-03.azure-dns.net`
		A	150.171.21.3^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-03.azure-dns.net`
NS	`ns3-03.azure-dns.org`
		A	2a01:111:4000:700::3^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-03.azure-dns.org`
		A	204.14.183.3^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-03.azure-dns.org`
NS	`ns4-03.azure-dns.info`
		A	2620:1ec:bda:700::3^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-03.azure-dns.info`
		A	208.84.5.3^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-03.azure-dns.info`
MX	`komatsuna-com.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:cc1f::1^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os0p286cu01201.inbound.protection.outlook.com`
		A	2a01:111:f403:cc24::^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os0p286cu01300.inbound.protection.outlook.com`
		A	52.101.124.0^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-tycp286cu02600.inbound.protection.outlook.com`
		A	52.101.124.1^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ty3p286cu00101.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`
TXT	`MS=ms23964723`
TXT	`T3PJ78iZXMCypgqrB8j+ZdEFkjWanZ0J2MYQ1Qq7FCXbVaU+fcFKJc3VsppnDFbRNUmBehCwzi0Wo...`
TXT	`knowbe4-site-verification=14d3d3cac2ba8098afe80876359a53c3`
TXT	`v=spf1 ip4:216.37.13.224 ip4:149.72.95.122 ip4:135.84.80.0/24 ip4:117.20.43.1...`
TXT	`MS=ms36976309`
TXT	`asv=6316e4552d22dc9504f1ea8e05e8e5c2`
SOA	`ns1-03.azure-dns.com`hostmaster@komatsu-na.com serial=151

`com`

	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=1776920032

Subdomains

im.komatsuna.com

mail2.komatsuna.com

smtp03.komatsuna.com

webmail.komatsuna.com

smtp02.komatsuna.com

smtp01.komatsuna.com

meet.komatsuna.com

krd-sfbext.komatsuna.com

lyncdiscover.komatsuna.com

mail01.komatsuna.com

Same first word

komatsuna.com

komatsuna.jp

Similar names

DNS History

13 records (6 active, 7 former)

○NScvdns01.komatsuamerica.net2015-07-04 → 2019-04-21 · 4 obs

● 2015-07-04 09:18:20
● 2019-04-21 04:14:48
○ 2019-08-14 18:26:54
○ 2026-04-23 05:08:54

○NScvdns02.komatsuamerica.net2015-07-04 → 2019-04-21 · 4 obs

● 2015-07-04 09:18:20
● 2019-04-21 04:14:48
○ 2019-08-14 18:26:54
○ 2026-04-23 05:08:54

●NSns1-03.azure-dns.com2019-08-14 → 2026-04-23 · 3 obs

○ 2019-04-21 04:14:48
● 2019-08-14 18:26:54
● 2026-04-23 05:08:54

●NSns2-03.azure-dns.net2019-08-14 → 2026-04-23 · 3 obs

○ 2019-04-21 04:14:48
● 2019-08-14 18:26:54
● 2026-04-23 05:08:54

●NSns3-03.azure-dns.org2019-08-14 → 2026-04-23 · 3 obs

○ 2019-04-21 04:14:48
● 2019-08-14 18:26:54
● 2026-04-23 05:08:54

●NSns4-03.azure-dns.info2019-08-14 → 2026-04-23 · 3 obs

○ 2019-04-21 04:14:48
● 2019-08-14 18:26:54
● 2026-04-23 05:08:54

○NSrmdns01.komatsuamerica.net2015-07-04 → 2019-04-21 · 4 obs

● 2015-07-04 09:18:20
● 2019-04-21 04:14:48
○ 2019-08-14 18:26:54
○ 2026-04-23 05:08:54

●MXkomatsuna-com.mail.protection.outlook.com2026-02-18 → 2026-04-23 · 3 obs

○ 2019-08-14 18:26:54
● 2026-02-18 20:12:18
● 2026-04-23 05:08:54

○MXmx1.komatsuna.iphmx.com2015-07-04 → 2016-02-18 · 4 obs

● 2015-07-04 09:18:20
● 2016-02-18 18:47:28
○ 2016-03-04 01:39:42
○ 2026-04-23 05:08:54

○MXmx2.komatsuna.iphmx.com2015-07-04 → 2016-02-18 · 4 obs

● 2015-07-04 09:18:20
● 2016-02-18 18:47:28
○ 2016-03-04 01:39:42
○ 2026-04-23 05:08:54

○MXus-smtp-inbound-1.mimecast.com2016-01-24 → 2019-08-14 · 5 obs

○ 2015-07-04 09:18:20
● 2016-01-24 03:05:26
● 2019-08-14 18:26:54
○ 2026-02-18 20:12:18
○ 2026-04-23 05:08:54

○MXus-smtp-inbound-2.mimecast.com2016-01-24 → 2019-08-14 · 5 obs

○ 2015-07-04 09:18:20
● 2016-01-24 03:05:26
● 2019-08-14 18:26:54
○ 2026-02-18 20:12:18
○ 2026-04-23 05:08:54

●A204.2.252.2032019-08-14 → 2026-04-23 · 2 obs

● 2019-08-14 18:26:54
● 2026-04-23 05:08:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, k.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net...	-
komatsuna.com	ns1-03.azure-dns.com, ns2-03.azure-dns.net, ns3-03.azure-dns.org, ns4-03.azure-dns.info	2 records

✅ Authoritative Response

Server:150.171.21.3

NS records: ns1-03.azure-dns.com, ns2-03.azure-dns.net, ns3-03.azure-dns.org, ns4-03.azure-dns.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for komatsuna.com (unsigned zone)

⏱️ Timing

Total: 171ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`204.2.252.203`
NS	4	`ns1-03.azure-dns.com, ns2-03.azure-dns.net...`
MX	1	`komatsuna-com.mail.protection.outlook.co`
TXT	6	`MS=ms23964723, T3PJ78iZXMCypgqrB8j+ZdEFkjWanZ0J2MYQ1Qq7...`
SOA	1	`ns1-03.azure-dns.com hostmaster.komatsu-`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1-03.azure-dns.com, ns1-03.azure-dns.com)

Analysis

Hierarchy

komatsuna.com is a parent of im.komatsuna.com, mail2.komatsuna.com, smtp03.komatsuna.com, webmail.komatsuna.com, smtp02.komatsuna.com and several other host names.