`ryukou.info`

DNSSEC	⚠️ Not signed
A	85.131.213.102^{🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc.}
		PTR	`sv16721.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`
TXT	`v=spf1 +a:sv16721.xserver.jp +a:ryukou.info +mx include:spf.sender.xserver.jp...`
SOA	`ns1.xserver.jp`root@xserver.jp serial=0

`info`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.info.afilias-nst.info` ⭐
	NS	`a2.info.afilias-nst.info`
	NS	`b0.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`b2.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`c0.info.afilias-nst.info`
	NS	`d0.info.afilias-nst.org` ⚠️ Not in parent delegation
	SOA	`a0.info.afilias-nst.info`hostmaster@donuts.email serial=1774608251

Previously MX for

ryukou.info

Subdomains

www.ryukou.info

Same first word

ryukou.tv

ryukou.info

Similar names

yukuro.com

youruk.com

okuryu.com

rokuyu.com

youruk.net

kouryu.or.jp

yourku.com

yuurok.com

kuroyu.com

yourku.cn

yukoru.com

rokuyu.net

kouryu.fukui.jp

kuruyo.net

DNS History

10 records (6 active, 4 former)

○NSns1.value-domain.com2015-06-10 → 2017-07-12 · 6 obs

● 2015-06-10 10:34:00
● 2016-04-22 10:49:56
○ 2017-01-02 23:36:26
● 2017-07-12 02:48:44
○ 2026-02-16 23:21:02
○ 2026-03-27 11:16:46

●NSns1.xserver.jp2026-02-16 → 2026-03-27 · 3 obs

○ 2017-07-12 02:48:44
● 2026-02-16 23:21:02
● 2026-03-27 11:16:46

○NSns2.value-domain.com2015-06-10 → 2017-07-12 · 6 obs

● 2015-06-10 10:34:00
● 2016-04-22 10:49:56
○ 2017-01-02 23:36:26
● 2017-07-12 02:48:44
○ 2026-02-16 23:21:02
○ 2026-03-27 11:16:46

●NSns2.xserver.jp2026-02-16 → 2026-03-27 · 3 obs

○ 2017-07-12 02:48:44
● 2026-02-16 23:21:02
● 2026-03-27 11:16:46

●NSns3.xserver.jp2026-02-16 → 2026-03-27 · 3 obs

○ 2017-07-12 02:48:44
● 2026-02-16 23:21:02
● 2026-03-27 11:16:46

●NSns4.xserver.jp2026-02-16 → 2026-03-27 · 3 obs

○ 2017-07-12 02:48:44
● 2026-02-16 23:21:02
● 2026-03-27 11:16:46

●NSns5.xserver.jp2026-02-16 → 2026-03-27 · 3 obs

○ 2017-07-12 02:48:44
● 2026-02-16 23:21:02
● 2026-03-27 11:16:46

○MXryukou.info2015-06-10 → 2026-02-16 · 7 obs

● 2015-06-10 10:34:00
● 2016-04-22 10:49:56
○ 2017-01-02 23:36:26
● 2017-07-12 02:48:44
● 2026-02-16 23:21:02
○ 2026-02-26 13:40:36
○ 2026-03-27 11:16:46

○A202.172.26.272015-06-10 → 2017-07-12 · 6 obs

● 2015-06-10 10:34:00
● 2016-04-22 10:49:56
○ 2017-01-02 23:36:26
● 2017-07-12 02:48:44
○ 2026-02-16 23:21:02
○ 2026-03-27 11:16:46

●A85.131.213.1022026-02-16 → 2026-03-27 · 3 obs

○ 2017-07-12 02:48:44
● 2026-02-16 23:21:02
● 2026-03-27 11:16:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
info	a0.info.afilias-nst.info, a2.info.afilias-nst.info, c0.info.afilias-nst.info	-
ryukou.info	ns1.xserver.jp, ns5.xserver.jp, ns3.xserver.jp, ns2.xserver.jp...	-

✅ Authoritative Response

Server:202.226.36.170

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ryukou.info (unsigned zone)

⏱️ Timing

Total: 3352ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.131.213.102`
NS	5	`ns1.xserver.jp, ns5.xserver.jp...`
TXT	1	`v=spf1 +a:sv16721.xserver.jp +a:ryukou.i`
SOA	1	`ns1.xserver.jp root.xserver.jp`

Analysis

Hierarchy

www.ryukou.info is a child of ryukou.info.

IP Addresses

ryukou.info resolves to one IP number: 85.131.213.102.

Other host names, for instance gokai-shinguuriba.com, mail.underground-bsl.net, ns.underground-bsl.net, underground-bsl.net and orekabu.jp share IP numbers with ryukou.info.

Name Servers

ryukou.info is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.

ryukou.info at least partially shares name servers with other domains, including nnavi.com, freebehaivor.com, digi-ark.jp, repo119.com and phoniq.net.