`sp.junretsu.jp`

DNSSEC	⚠️ Not signed
A	18.176.253.1^{🇯🇵 Amazon18.176.0.0/15 EC2 NRT prefix}
		PTR	`ec2-18-176-253-1.ap-northeast-1.compute.amazonaws.com`
A	18.180.217.53^{🇯🇵 Amazon18.180.0.0/15 EC2 NRT prefix}
MX	`mup004.nifty.m-up.com` ⭐
		A	61.121.98.248^{🇯🇵 FJcloud-East61.121.98.0/24 Fujitsu Ltd. X-Keiro : fjct-noc@cs.jp.fujitsu.com}
			PTR	`mup004.nifty.m-up.com`

`junretsu.jp`

	DNSSEC	⚠️ Not signed
	A	13.114.148.211^{🇯🇵 Amazon13.112.0.0/14 EC2 NRT prefix}
	A	13.230.18.39^{🇯🇵 Amazon13.230.0.0/15 EC2 NRT prefix}
	NS	`ns-988.awsdns-59.net` ⭐
	NS	`ns-1393.awsdns-46.org`
	NS	`ns-1638.awsdns-12.co.uk`
	NS	`ns-352.awsdns-44.com`
	MX	`dmail.kagoya.net` ⭐
	TXT	`v=spf1 include:m-up.com include:kagoya.net include:spf1.siella.jp ip4:54.250....`
	SOA	`ns-988.awsdns-59.net`awsdns-hostmaster@amazon.com serial=1

📈 Tranco rank: #787,736

Same first word

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DNS History

8 records (3 active, 5 former)

●MXmup004.nifty.m-up.com2026-02-25 → 2026-05-12 · 2 obs

● 2026-02-25 17:30:42
● 2026-05-12 13:29:00

○A13.159.181.1252026-03-09 → 2026-03-11 · 5 obs

○ 2026-03-07 03:22:46
● 2026-03-09 11:39:46
● 2026-03-11 20:00:40
○ 2026-05-12 10:25:12
○ 2026-05-12 13:29:00

○A13.159.250.1222026-02-25 → 2026-02-25 · 3 obs

● 2026-02-25 17:30:42
○ 2026-03-07 03:22:46
○ 2026-05-12 13:29:00

○A13.192.93.1972026-03-07 → 2026-03-07 · 4 obs

○ 2026-02-25 17:30:42
● 2026-03-07 03:22:46
○ 2026-03-09 11:39:46
○ 2026-05-12 13:29:00

●A18.176.253.12026-05-12 → 2026-05-12 · 3 obs

○ 2026-03-11 20:00:40
● 2026-05-12 10:25:12
● 2026-05-12 13:29:00

○A18.178.180.2122026-03-07 → 2026-03-11 · 5 obs

○ 2026-02-25 17:30:42
● 2026-03-07 03:22:46
● 2026-03-11 20:00:40
○ 2026-05-12 10:25:12
○ 2026-05-12 13:29:00

●A18.180.217.532026-05-12 → 2026-05-12 · 3 obs

○ 2026-03-11 20:00:40
● 2026-05-12 10:25:12
● 2026-05-12 13:29:00

○A18.181.105.2412026-02-25 → 2026-02-25 · 3 obs

● 2026-02-25 17:30:42
○ 2026-03-07 03:22:46
○ 2026-05-12 13:29:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
junretsu.jp	ns-1393.awsdns-46.org, ns-1638.awsdns-12.co.uk, ns-352.awsdns-44.com, ns-988.awsdns-59.net	-

✅ Authoritative Response

Server:205.251.193.96

NS records: ns-1393.awsdns-46.org, ns-1638.awsdns-12.co.uk, ns-352.awsdns-44.com, ns-988.awsdns-59.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for junretsu.jp (unsigned zone)

⏱️ Timing

Total: 774ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`18.176.253.1, 18.180.217.53`
MX	1	`mup004.nifty.m-up.com (pri: 10)`

Analysis

IP Addresses

Two IP numbers are pointed to by sp.junretsu.jp: 18.176.253.1 and 18.180.217.53.

other host names include centplanet.jp, gospellers.tv, soshina.jp, aop-as03-prod-lb-1132285840.ap-northeast-1.elb.amazonaws.com and ske48family.com; they share IP numbers with sp.junretsu.jp.

Mail Servers

sp.junretsu.jp is handled by a single mail server, mup004.nifty.m-up.com.

The host name mup004.nifty.m-up.com points to IP 61.121.98.248.

sp.junretsu.jp - robtex.com

sp.junretsu.jp

junretsu.jp