`unique-office.com`

DNSSEC	⚠️ Not signed
A	183.181.98.37^{🇯🇵 XSERVER-AS183.181.98.0/23 XSERVER Inc.}
		PTR	`sv6036.xserver.jp`
NS	`ns1.xserver.jp` ⭐
		A	202.226.36.164^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
		A	202.226.36.170^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
		A	202.226.36.246^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns1.xserver.jp`
NS	`ns2.xserver.jp`
		A	35.72.43.26^{🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix}
			PTR	`ns2.xserver.jp`
NS	`ns3.xserver.jp`
		A	202.226.36.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns3.xserver.jp`
NS	`ns4.xserver.jp`
		A	183.90.224.226^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
		A	183.90.224.230^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
		A	202.226.39.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns4.xserver.jp`
NS	`ns5.xserver.jp`
		A	157.112.182.218^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		A	157.112.182.220^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		A	202.226.37.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns5.xserver.jp`
MX	`unique-office.com` ⭐
		A	183.181.98.37^{🇯🇵 XSERVER-AS183.181.98.0/23 XSERVER Inc.}
			PTR	`sv6036.xserver.jp`
TXT	`v=spf1 +a:sv6036.xserver.jp +a:unique-office.com +mx include:spf.sender.xserv...`
SOA	`ns1.xserver.jp`root@sv0.xserver.jp serial=0

`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=1774754032

MX for

unique-office.com

Same first word

unique-office.com

DNS History

21 records (7 active, 14 former)

●NSns1.xserver.jp2026-03-29 → 2026-03-29 · 2 obs

○ 2017-06-11 05:51:22
● 2026-03-29 03:40:20

○NSns1.xtwo.ne.jp2015-06-22 → 2016-02-12 · 5 obs

○ 2008-03-18 09:57:50
● 2015-06-22 00:27:38
● 2016-02-12 01:58:16
○ 2016-06-18 03:48:58
○ 2026-03-29 03:40:20

●NSns2.xserver.jp2026-03-29 → 2026-03-29 · 2 obs

○ 2017-06-11 05:51:22
● 2026-03-29 03:40:20

○NSns2.xtwo.ne.jp2015-06-22 → 2016-02-12 · 5 obs

○ 2008-03-18 09:57:50
● 2015-06-22 00:27:38
● 2016-02-12 01:58:16
○ 2016-06-18 03:48:58
○ 2026-03-29 03:40:20

●NSns3.xserver.jp2026-03-29 → 2026-03-29 · 2 obs

○ 2017-06-11 05:51:22
● 2026-03-29 03:40:20

○NSns3.xtwo.ne.jp2015-06-22 → 2016-02-12 · 5 obs

○ 2008-03-18 09:57:50
● 2015-06-22 00:27:38
● 2016-02-12 01:58:16
○ 2016-06-18 03:48:58
○ 2026-03-29 03:40:20

●NSns4.xserver.jp2026-03-29 → 2026-03-29 · 2 obs

○ 2017-06-11 05:51:22
● 2026-03-29 03:40:20

●NSns5.xserver.jp2026-03-29 → 2026-03-29 · 2 obs

○ 2017-06-11 05:51:22
● 2026-03-29 03:40:20

○NSns6.cpi.ad.jp2016-06-18 → 2017-06-11 · 4 obs

○ 2016-02-12 01:58:16
● 2016-06-18 03:48:58
● 2017-06-11 05:51:22
○ 2026-03-29 03:40:20

○NSns7.cpi.ad.jp2016-06-18 → 2017-06-11 · 4 obs

○ 2016-02-12 01:58:16
● 2016-06-18 03:48:58
● 2017-06-11 05:51:22
○ 2026-03-29 03:40:20

○NSusr-ns1.linkclub.jp2008-03-18 → 2008-03-18 · 3 obs

● 2008-03-18 09:57:50
○ 2015-06-22 00:27:38
○ 2026-03-29 03:40:20

○NSusr-ns2.linkclub.jp2008-03-18 → 2008-03-18 · 3 obs

● 2008-03-18 09:57:50
○ 2015-06-22 00:27:38
○ 2026-03-29 03:40:20

○MXmail14.hosting-link.ne.jp2008-03-18 → 2008-03-18 · 3 obs

● 2008-03-18 09:57:50
○ 2015-06-22 00:27:38
○ 2026-03-29 03:40:20

●MXunique-office.com2015-06-22 → 2026-03-29 · 6 obs

○ 2008-03-18 09:57:50
● 2015-06-22 00:27:38
● 2016-02-12 01:58:16
○ 2016-06-18 03:48:58
○ 2017-06-11 05:51:22
● 2026-03-29 03:40:20

○MXvlmx20.secure.ne.jp2016-06-18 → 2017-06-11 · 4 obs

○ 2016-02-12 01:58:16
● 2016-06-18 03:48:58
● 2017-06-11 05:51:22
○ 2026-03-29 03:40:20

○MXvlmx21.secure.ne.jp2016-06-18 → 2017-06-11 · 4 obs

○ 2016-02-12 01:58:16
● 2016-06-18 03:48:58
● 2017-06-11 05:51:22
○ 2026-03-29 03:40:20

○MXvlmx22.secure.ne.jp2016-06-18 → 2017-06-11 · 4 obs

○ 2016-02-12 01:58:16
● 2016-06-18 03:48:58
● 2017-06-11 05:51:22
○ 2026-03-29 03:40:20

○A150.60.156.2062016-06-18 → 2017-06-11 · 4 obs

○ 2016-02-12 01:58:16
● 2016-06-18 03:48:58
● 2017-06-11 05:51:22
○ 2026-03-29 03:40:20

○A175.28.4.52015-06-22 → 2016-02-12 · 5 obs

○ 2008-03-18 09:57:50
● 2015-06-22 00:27:38
● 2016-02-12 01:58:16
○ 2016-06-18 03:48:58
○ 2026-03-29 03:40:20

●A183.181.98.372026-03-29 → 2026-03-29 · 2 obs

○ 2017-06-11 05:51:22
● 2026-03-29 03:40:20

○A219.118.71.442008-03-18 → 2008-03-18 · 3 obs

● 2008-03-18 09:57:50
○ 2015-06-22 00:27:38
○ 2026-03-29 03:40:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, m.gtld-servers.net, f.gtld-servers.net, b.gtld-servers.net...	-
unique-office.com	ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...	-

✅ Authoritative Response

Server:202.226.39.247

NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for unique-office.com (unsigned zone)

⏱️ Timing

Total: 1192ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`183.181.98.37`
NS	5	`ns1.xserver.jp, ns3.xserver.jp...`
MX	1	`unique-office.com (pri: 0)`
TXT	1	`v=spf1 +a:sv6036.xserver.jp +a:unique-of`
SOA	1	`ns1.xserver.jp root.sv0.xserver.jp`

Analysis

Mail Server Role

unique-office.com serves as the mail server for unique-office.com.

IP Addresses

unique-office.com points to a single IP number: 183.181.98.37.

Other host names, for instance ninos.jp, omi8.net, kirari.umigyo.co.jp, pppnm1037.chiba-ip.dti.ne.jp and dns.umigyo.co.jp share IP numbers with unique-office.com.

Name Servers

unique-office.com is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.

unique-office.com at least partially shares name servers with other domains, for instance logic-design.co.jp, tmkc.org, d-consult.or.jp, a-cel.co.jp and yutouefan.tokyo.

Host names with three IP numbers:

ns1.xserver.jp points to: 202.226.36.164, 202.226.36.170 and 202.226.36.246

ns4.xserver.jp points to: 183.90.224.226, 183.90.224.230 and 202.226.39.247

ns5.xserver.jp points to: 157.112.182.218, 157.112.182.220 and 202.226.37.247

Host names with one IP number:

ns2.xserver.jp points to: 35.72.43.26

ns3.xserver.jp points to: 202.226.36.247

Mail Servers

A single mail server handles unique-office.com.

unique-office.com points to a single IP: 183.181.98.37.

unique-office.com - robtex.com