`castlecomputer.co.jp`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:3c36^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:c075^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.60.54^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.192.117^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ingrid.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3aa5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ingrid.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0a5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ingrid.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20a5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ingrid.ns.cloudflare.com`
		A	108.162.192.165^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ingrid.ns.cloudflare.com`
		A	172.64.32.165^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ingrid.ns.cloudflare.com`
		A	173.245.58.165^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ingrid.ns.cloudflare.com`
NS	`lamar.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c8e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lamar.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c38e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lamar.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:238e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lamar.ns.cloudflare.com`
		A	108.162.195.142^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lamar.ns.cloudflare.com`
		A	162.159.44.142^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lamar.ns.cloudflare.com`
		A	172.64.35.142^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lamar.ns.cloudflare.com`
MX	`castlecomputer.sakura.ne.jp` ⭐
		A	219.94.174.132^{🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`www702b.sakura.ne.jp`
TXT	`google-site-verification=EDcYm9VWD89NU_QVcK9eyx7FAxh43wcdRrFMBEigb6Y`
TXT	`v=spf1 a:www702b.sakura.ne.jp mx ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.60.54, 172.67.192.117
		IPv6 hints	2606:4700:3034::6815:3c36, 2606:4700:3035::ac43:c075
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=151, name=cloudflare-ech.com
SOA	`ingrid.ns.cloudflare.com`dns@cloudflare.com serial=2399972064

`co.jp`

	DNSSEC	⚠️ Not signed
	TXT	`co.jp.`

WOT: SAFE (58/100)

Previously MX for

castlecomputer.co.jp

Same first word

castlecomputer.com

castlecomputer.co.jp

castlecomputer.sakura.ne.jp

DNS History

15 records (7 active, 8 former)

●NSingrid.ns.cloudflare.com2026-04-10 → 2026-04-12 · 3 obs

○ 2018-09-22 06:28:32
● 2026-04-10 08:18:58
● 2026-04-12 21:59:00

●NSlamar.ns.cloudflare.com2026-04-10 → 2026-04-12 · 3 obs

○ 2018-09-22 06:28:32
● 2026-04-10 08:18:58
● 2026-04-12 21:59:00

○NSns-207.dns.jp-e1.cloudn-service.com2016-02-08 → 2018-09-22 · 5 obs

○ 2015-10-29 05:04:04
● 2016-02-08 04:33:14
● 2018-09-22 06:28:32
○ 2026-04-10 08:18:58
○ 2026-04-12 21:59:00

○NSns-208.dns.jp-w1.cloudn-service.com2016-02-08 → 2018-09-22 · 5 obs

○ 2015-10-29 05:04:04
● 2016-02-08 04:33:14
● 2018-09-22 06:28:32
○ 2026-04-10 08:18:58
○ 2026-04-12 21:59:00

○NSns-209.dns.us-e1.cloudn-service.com2016-02-08 → 2018-09-22 · 5 obs

○ 2015-10-29 05:04:04
● 2016-02-08 04:33:14
● 2018-09-22 06:28:32
○ 2026-04-10 08:18:58
○ 2026-04-12 21:59:00

○NSns1.secure.net2015-06-10 → 2015-10-29 · 4 obs

● 2015-06-10 07:16:58
● 2015-10-29 05:04:04
○ 2016-02-08 04:33:14
○ 2026-04-12 21:59:00

○NSns2.secure.net2015-06-10 → 2015-10-29 · 4 obs

● 2015-06-10 07:16:58
● 2015-10-29 05:04:04
○ 2016-02-08 04:33:14
○ 2026-04-12 21:59:00

○MXcastlecomputer.co.jp2015-06-10 → 2018-09-22 · 4 obs

● 2015-06-10 07:16:58
● 2018-09-22 06:28:32
○ 2026-04-10 08:18:58
○ 2026-04-12 21:59:00

●MXcastlecomputer.sakura.ne.jp2026-04-10 → 2026-04-12 · 3 obs

○ 2018-09-22 06:28:32
● 2026-04-10 08:18:58
● 2026-04-12 21:59:00

●A104.21.60.542026-04-10 → 2026-04-12 · 3 obs

○ 2018-09-22 06:28:32
● 2026-04-10 08:18:58
● 2026-04-12 21:59:00

○A111.68.148.232015-06-10 → 2015-10-29 · 4 obs

● 2015-06-10 07:16:58
● 2015-10-29 05:04:04
○ 2016-02-08 04:33:14
○ 2026-04-12 21:59:00

○A122.1.197.2342016-02-08 → 2018-09-22 · 5 obs

○ 2015-10-29 05:04:04
● 2016-02-08 04:33:14
● 2018-09-22 06:28:32
○ 2026-04-10 08:18:58
○ 2026-04-12 21:59:00

●A172.67.192.1172026-04-10 → 2026-04-12 · 3 obs

○ 2018-09-22 06:28:32
● 2026-04-10 08:18:58
● 2026-04-12 21:59:00

●A2606:4700:3034::6815:3c362026-04-10 → 2026-04-12 · 3 obs

○ 2018-09-22 06:28:32
● 2026-04-10 08:18:58
● 2026-04-12 21:59:00

●A2606:4700:3035::ac43:c0752026-04-10 → 2026-04-12 · 3 obs

○ 2018-09-22 06:28:32
● 2026-04-10 08:18:58
● 2026-04-12 21:59:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...	-
castlecomputer.co.jp	lamar.ns.cloudflare.com, ingrid.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.142

NS records: lamar.ns.cloudflare.com, ingrid.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for castlecomputer.co.jp (unsigned zone)

⏱️ Timing

Total: 722ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.60.54, 172.67.192.117`
AAAA	2	`2606:4700:3035::ac43:c075, 2606:4700:3034::6815:3c36`
NS	2	`ingrid.ns.cloudflare.com, lamar.ns.cloudflare.com`
MX	1	`castlecomputer.sakura.ne.jp (pri: 10)`
TXT	2	`google-site-verification=EDcYm9VWD89NU_Q, v=spf1 a:www702b.sakura.ne.jp mx ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ingrid.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

castlecomputer.co.jp points to four IP numbers: 2606:4700:3034::6815:3c36, 2606:4700:3035::ac43:c075, 104.21.60.54 and 172.67.192.117.

Other host names, for instance 500a2a21-0653-4f38-a563-2876a86d0733.htmlpasta.com, ikulehu.com, bceeded8-d019-4210-9290-ac0d108a2fd7.htmlpasta.com, hoopy.in and 2adc5ec8-660f-46fc-b53f-a814269372a4.htmlpasta.com share IP numbers with castlecomputer.co.jp.

Name Servers

Delegation for castlecomputer.co.jp rests with two name servers, ingrid.ns.cloudflare.com and lamar.ns.cloudflare.com.

castlecomputer.co.jp shares the same name server setup as other domains, including volgatech.net, samwo.pl, xn--80abuk5aj.xn--p1ai, jboth.org and lyventhyxara.com.

castlecomputer.co.jp at least partially shares name servers with other domains, for instance dohifa.com, motorolasolutions.fr, foxandroach.com, linethaibet.com and yuyangshanghai.com.

These name servers are commonly used alongside daniella.ns.cloudflare.com, phoenix.ns.cloudflare.com, noel.ns.cloudflare.com and kai.ns.cloudflare.com.

Host names with six IP numbers: ingrid.ns.cloudflare.com points to: 2606:4700:50::adf5:3aa5, 2803:f800:50::6ca2:c0a5, 2a06:98c1:50::ac40:20a5, 108.162.192.165, 172.64.32.165 and 173.245.58.165. lamar.ns.cloudflare.com points to: 2606:4700:58::a29f:2c8e, 2803:f800:50::6ca2:c38e, 2a06:98c1:50::ac40:238e, 108.162.195.142, 162.159.44.142 and 172.64.35.142.

Mail Servers

castlecomputer.co.jp is handled by a single mail server, castlecomputer.sakura.ne.jp.

castlecomputer.co.jp uses the same mail server setup as other domains, such as castlecomputer.sakura.ne.jp.

castlecomputer.sakura.ne.jp points to a single IP: 219.94.174.132.

castlecomputer.co.jp - robtex.com