`upheart.jp`

DNSSEC	⚠️ Not signed
A	133.167.96.21^{🇯🇵 SAKURA-C133.167.0.0/16 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan}
		PTR	`web12.loopus.co.jp`
NS	`ns1.value-domain.com` ⭐
		A	172.64.52.38^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.value-domain.com`
		A	172.64.53.3^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns3.value-domain.com` ⚠️ Not in zone NS records
		A	172.64.52.38^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns4.value-domain.com` ⚠️ Not in zone NS records
		A	172.64.53.3^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns5.value-domain.com` ⚠️ Not in zone NS records
		A	172.64.52.38^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mh.loopus.co.jp` ⭐
		A	133.18.140.228^{🇯🇵 KAGOYAJAPAN133.18.0.0/16 KAGOYA Japan Inc.}
			PTR	`ns2.loopus.co.jp`
TXT	`v=spf1 a:ns2.loopus.co.jp ip4:133.167.96.21/28 include:loopus.co.jp ip4:113.4...`
SOA	`ns1.value-domain.com`hostmaster@upheart.jp 2026-05-25 #14

`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=1785073502

Same first word

upheart.jp

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DNS History

9 records (7 active, 2 former)

●NSns1.value-domain.com2015-08-10 → 2026-07-26 · 2 obs

● 2015-08-10 23:44:54
● 2026-07-26 14:01:44

●NSns2.value-domain.com2015-08-10 → 2026-07-26 · 2 obs

● 2015-08-10 23:44:54
● 2026-07-26 14:01:44

●NSns3.value-domain.com2026-06-27 → 2026-07-26 · 3 obs

○ 2015-08-10 23:44:54
● 2026-06-27 07:27:10
● 2026-07-26 14:01:44

●NSns4.value-domain.com2026-06-27 → 2026-07-26 · 3 obs

○ 2015-08-10 23:44:54
● 2026-06-27 07:27:10
● 2026-07-26 14:01:44

●NSns5.value-domain.com2026-06-27 → 2026-07-26 · 3 obs

○ 2015-08-10 23:44:54
● 2026-06-27 07:27:10
● 2026-07-26 14:01:44

○MXmail.upheart.jp2015-08-10 → 2017-08-20 · 4 obs

● 2015-08-10 23:44:54
● 2017-08-20 02:07:56
○ 2026-06-27 07:27:10
○ 2026-07-26 14:01:44

●MXmh.loopus.co.jp2026-06-27 → 2026-07-26 · 3 obs

○ 2017-08-20 02:07:56
● 2026-06-27 07:27:10
● 2026-07-26 14:01:44

●A133.167.96.212026-06-27 → 2026-07-26 · 3 obs

○ 2017-08-20 02:07:56
● 2026-06-27 07:27:10
● 2026-07-26 14:01:44

○A209.54.50.162015-08-10 → 2017-08-20 · 4 obs

● 2015-08-10 23:44:54
● 2017-08-20 02:07:56
○ 2026-06-27 07:27:10
○ 2026-07-26 14:01:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	b.dns.jp, h.dns.jp, d.dns.jp, f.dns.jp...	-
upheart.jp	ns4.value-domain.com, ns5.value-domain.com, ns1.value-domain.com, ns2.value-domain.com...	-

✅ Authoritative Response

Server:172.64.53.3

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for upheart.jp (unsigned zone)

⏱️ Timing

Total: 1165ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`133.167.96.21`
NS	2	`ns1.value-domain.com, ns2.value-domain.com`
MX	1	`mh.loopus.co.jp (pri: 10)`
TXT	1	`v=spf1 a:ns2.loopus.co.jp ip4:133.167.96`
SOA	1	`ns1.value-domain.com hostmaster.upheart.`

Analysis

IP Addresses

upheart.jp resolves to just one IP address, 133.167.96.21.

Two other host names, along with camtech-dsm.com, web1.loopus.co.jp and warakusha.com, also share IP numbers with upheart.jp.

Name Servers

upheart.jp delegates to five name servers: ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com and two others.

upheart.jp has at least partial name server overlap with other domains, such as samuraism.net, yoshi-tsune.jp, ohtsuki-kougyo.co.jp and two others.

The name servers ns4.value-domain.com, ns5.value-domain.com, ns11.value-domain.com and two others are commonly seen in use alongside these name servers.

Host names that point to one IP address:

ns1.value-domain.com resolves to 172.64.52.38.

ns2.value-domain.com resolves to 172.64.53.3.

ns3.value-domain.com resolves to 172.64.52.38.

ns4.value-domain.com resolves to 172.64.53.3.

ns5.value-domain.com resolves to 172.64.52.38.

Each of ns1.value-domain.com, ns3.value-domain.com and ns5.value-domain.com resolves to 172.64.52.38.

The host names ns2.value-domain.com and ns4.value-domain.com both resolve to 172.64.53.3 IP addresses.