`mail.juncosme.com`

CNAME	`juncosme.com`
DNSSEC	⚠️ Not signed
A	163.43.87.163^{🇯🇵 SAKURA-B163.43.0.0/16 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan}
		PTR	`www3923.sakura.ne.jp`
NS	`master.dns.ne.jp` ⭐
		A	210.224.172.18^{🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`master.dns.ne.jp`
NS	`ns1.dns.ne.jp`
		A	61.211.236.1^{🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`ns1.dns.ne.jp`
NS	`ns2.dns.ne.jp`
		A	133.167.21.1^{🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan}
			PTR	`ns2.dns.ne.jp`
MX	`juncosme.com` ⭐
		A	163.43.87.163^{🇯🇵 SAKURA-B163.43.0.0/16 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan}
			PTR	`www3923.sakura.ne.jp`
TXT	`v=spf1 a:www3923.sakura.ne.jp mx ~all`
SOA	`master.dns.ne.jp`tech@sakura.ad.jp 2018-10-17 #16

`juncosme.com`

	DNSSEC	⚠️ Not signed
	A	163.43.87.163^{🇯🇵 SAKURA-B163.43.0.0/16 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan}
	NS	`master.dns.ne.jp` ⭐
	NS	`ns1.dns.ne.jp`
	NS	`ns2.dns.ne.jp`
	MX	`juncosme.com` ⭐
	TXT	`v=spf1 a:www3923.sakura.ne.jp mx ~all`
	SOA	`master.dns.ne.jp`tech@sakura.ad.jp 2018-10-17 #16

Previously MX for

juncosme.com

Same first word

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DNS History

2 records (1 active, 1 former)

○A211.1.233.1462017-10-25 → 2017-10-25 · 3 obs

● 2017-10-25 22:49:02
○ 2026-04-26 00:25:52
○ 2026-04-26 00:25:54

●CNAMEjuncosme.com2026-04-26 → 2026-04-26 · 2 obs

● 2026-04-26 00:25:52
● 2026-04-26 00:25:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
juncosme.com	ns1.dns.ne.jp, ns2.dns.ne.jp	-

✅ Authoritative Response

Server:133.167.21.1

NS records: ns1.dns.ne.jp, ns2.dns.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for juncosme.com (unsigned zone)

⏱️ Timing

Total: 1361ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`juncosme.com`

Analysis

IP Addresses

mail.juncosme.com maps to IP address 163.43.87.163.

Other host names, for instance chokuan-medical.jp, okaya-mart.co.jp, yeast.com, kobetsu-no1.jp and phaze-d.com share IP numbers with mail.juncosme.com.

Name Servers

mail.juncosme.com is delegated to name servers master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

mail.juncosme.com at least partially shares name servers with other domains such as shikisaiclub.jp, h-very.jp, doranet.org, seikyou.org and douceur-jp.com.

Host names with a single IP:

master.dns.ne.jp points to 210.224.172.18

ns1.dns.ne.jp points to 61.211.236.1

ns2.dns.ne.jp points to 133.167.21.1

Mail Servers

mail.juncosme.com is handled by a single mail server, juncosme.com.

The mail server setup for mail.juncosme.com matches that of other domains, for instance juncosme.com.

juncosme.com points to one IP number: 163.43.87.163.

mail.juncosme.com - robtex.com