`hostmaster.tsurugidake.com`

DNSSEC	⚠️ Not signed
A	2400:8500:1301:162::20:1^{🇯🇵 GMO-INTERNET2400:8500:1000::/36 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
		PTR	`v2010.coreserver.jp`
A	163.44.176.20^{🇯🇵 GMO-INTERNET163.44.176.0/20 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}

`tsurugidake.com`

	DNSSEC	⚠️ Not signed
	A	2400:8500:1301:162::20:1^{🇯🇵 GMO-INTERNET2400:8500:1000::/36 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
	A	163.44.176.20^{🇯🇵 GMO-INTERNET163.44.176.0/20 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
	NS	`ns1.value-domain.com` ⭐
	NS	`ns2.value-domain.com`
	NS	`ns3.value-domain.com` ⚠️ Not in zone NS records
	NS	`ns4.value-domain.com` ⚠️ Not in zone NS records
	NS	`ns5.value-domain.com` ⚠️ Not in zone NS records
	MX	`tsurugidake.com` ⭐
	TXT	`v=spf1 ip4:163.44.176.20 ip6:2400:8500:1301:162::20:1 include:mxr.valueserver...`
	SOA	`ns1.value-domain.com`hostmaster@tsurugidake.com 2026-05-25 #23

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DNS History

4 records (2 active, 2 former)

●A163.44.176.202026-07-24 → 2026-07-24 · 3 obs

○ 2026-05-10 12:32:04
● 2026-07-24 21:49:18
● 2026-07-24 21:49:20

○A202.172.26.402026-03-01 → 2026-05-10 · 5 obs

○ 2016-04-23 08:02:48
● 2026-03-01 20:59:22
● 2026-05-10 12:32:04
○ 2026-07-24 21:49:18
○ 2026-07-24 21:49:20

○A203.189.105.902015-06-17 → 2016-04-23 · 4 obs

● 2015-06-17 17:19:40
● 2016-04-23 08:02:48
○ 2026-03-01 20:59:22
○ 2026-07-24 21:49:20

●A2400:8500:1301:162::20:12026-07-24 → 2026-07-24 · 3 obs

○ 2026-05-10 12:32:04
● 2026-07-24 21:49:18
● 2026-07-24 21:49:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, c.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net...	-
tsurugidake.com	ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com, ns4.value-domain.com...	5 records

✅ Authoritative Response

Server:172.64.52.38

NS records: ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com, ns4.value-domain.com, ns5.value-domain.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tsurugidake.com (unsigned zone)

⏱️ Timing

Total: 427ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`163.44.176.20`
AAAA	1	`2400:8500:1301:162::20:1`

📌 Glue Records Collected

Total: 5

Out-of-bailiwick: 5 (ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com...)

Analysis

IP Addresses

hostmaster.tsurugidake.com directs to two IP numbers, 163.44.176.20 and 2400:8500:1301:162::20:1

www.live-tengoku.jp, mail.mikitea.jp, sfa-net.jp plus two other host names have IP numbers in common with hostmaster.tsurugidake.com.

hostmaster.tsurugidake.com - robtex.com