`citysup.jp`

DNSSEC	⚠️ Not signed
A	85.131.207.78^{🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc.}
		PTR	`sv16337.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	`citysup.jp` ⭐
		A	85.131.207.78^{🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc.}
			PTR	`sv16337.xserver.jp`
TXT	`v=spf1 +a:sv16337.xserver.jp +a:citysup.jp +mx include:spf.sender.xserver.jp ...`
SOA	`ns1.xserver.jp`root@xserver.jp serial=0

`jp`

	DNSSEC	🔒 Signed (DS record present)
	NS	`z.dns.jp` ⭐
	NS	`a.dns.jp`
	NS	`b.dns.jp`
	NS	`c.dns.jp`
	NS	`d.dns.jp`
	NS	`e.dns.jp`
	NS	`f.dns.jp`
	NS	`g.dns.jp`
	NS	`h.dns.jp`
	SOA	`z.dns.jp`root@dns.jp serial=1778448603

MX for

citysup.jp

Subdomains

www.citysup.jp

Same first word

citysup.jp

citysup.de

citysup.com

Similar names

upscity.com

supcity.com

typicus.net

supcity.de

cityups.net

typicus.com

DNS History

14 records (7 active, 7 former)

○NSdns01.gmoserver.jp2015-05-26 → 2017-03-28 · 4 obs

● 2015-05-26 13:27:12
● 2017-03-28 18:14:34
○ 2020-02-28 15:41:26
○ 2026-05-10 21:59:58

○NSdns02.gmoserver.jp2015-05-26 → 2017-03-28 · 4 obs

● 2015-05-26 13:27:12
● 2017-03-28 18:14:34
○ 2020-02-28 15:41:26
○ 2026-05-10 21:59:58

●NSns1.xserver.jp2020-02-28 → 2026-05-10 · 3 obs

○ 2017-03-28 18:14:34
● 2020-02-28 15:41:26
● 2026-05-10 21:59:58

●NSns2.xserver.jp2020-02-28 → 2026-05-10 · 3 obs

○ 2017-03-28 18:14:34
● 2020-02-28 15:41:26
● 2026-05-10 21:59:58

●NSns3.xserver.jp2020-02-28 → 2026-05-10 · 3 obs

○ 2017-03-28 18:14:34
● 2020-02-28 15:41:26
● 2026-05-10 21:59:58

●NSns4.xserver.jp2020-02-28 → 2026-05-10 · 3 obs

○ 2017-03-28 18:14:34
● 2020-02-28 15:41:26
● 2026-05-10 21:59:58

●NSns5.xserver.jp2020-02-28 → 2026-05-10 · 3 obs

○ 2017-03-28 18:14:34
● 2020-02-28 15:41:26
● 2026-05-10 21:59:58

●MXcitysup.jp2020-02-28 → 2026-05-10 · 3 obs

○ 2017-03-28 18:14:34
● 2020-02-28 15:41:26
● 2026-05-10 21:59:58

○MXmx.citysup.jp2015-05-26 → 2017-03-28 · 4 obs

● 2015-05-26 13:27:12
● 2017-03-28 18:14:34
○ 2020-02-28 15:41:26
○ 2026-05-10 21:59:58

○A183.181.88.922020-02-28 → 2020-02-28 · 4 obs

○ 2017-03-28 18:14:34
● 2020-02-28 15:41:26
○ 2026-03-28 15:42:44
○ 2026-05-10 21:59:58

○A210.157.7.1962015-10-12 → 2016-03-13 · 5 obs

○ 2015-05-26 13:27:12
● 2015-10-12 02:24:30
● 2016-03-13 02:35:38
○ 2016-07-12 17:32:20
○ 2026-05-10 21:59:58

○A210.157.7.542015-05-26 → 2015-05-26 · 3 obs

● 2015-05-26 13:27:12
○ 2015-10-12 02:24:30
○ 2026-05-10 21:59:58

○A210.157.7.952016-07-12 → 2017-03-28 · 5 obs

○ 2016-03-13 02:35:38
● 2016-07-12 17:32:20
● 2017-03-28 18:14:34
○ 2020-02-28 15:41:26
○ 2026-05-10 21:59:58

●A85.131.207.782026-03-28 → 2026-05-10 · 3 obs

○ 2020-02-28 15:41:26
● 2026-03-28 15:42:44
● 2026-05-10 21:59:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	b.dns.jp, h.dns.jp, f.dns.jp, d.dns.jp...	-
citysup.jp	ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...	11 records

✅ Authoritative Response

Server:202.226.36.247

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 citysup.jp (unsigned zone)

⏱️ Timing

Total: 851ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.131.207.78`
NS	5	`ns5.xserver.jp, ns3.xserver.jp...`
MX	1	`citysup.jp (pri: 0)`
TXT	1	`v=spf1 +a:sv16337.xserver.jp +a:citysup.`
SOA	1	`ns1.xserver.jp root.xserver.jp`

📌 Glue Records Collected

Total: 11

Out-of-bailiwick: 11 (ns1.xserver.jp, ns1.xserver.jp, ns1.xserver.jp...)

Analysis

Hierarchy

www.citysup.jp has citysup.jp as its parent.

Mail Server Role

The mail server for citysup.jp is citysup.jp.

IP Addresses

citysup.jp maps to IP address 85.131.207.78.

Other host names, for instance yamato-creation.com, juken.com, tateshina-v.co.jp, ebassociates.works and mimasu-ya.com share IP numbers with citysup.jp.

Name Servers

citysup.jp delegates to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.

citysup.jp at least partially shares name servers with other domains such as kawaguchi-seitai.net, amamoripro.com, websapporo.jp, job-dental.net and abcplus.jp.

Host names with three IPs

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

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

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

Host names with one IP

Host ns2.xserver.jp points to 35.72.43.26

Host ns3.xserver.jp points to 202.226.36.247

Mail Servers

One mail server serves citysup.jp.

citysup.jp points to one IP number: 85.131.207.78.

citysup.jp - robtex.com

citysup.jp

jp

MX for

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

Mail Server Role

IP Addresses

Name Servers

Mail Servers

`citysup.jp`

`jp`