`mail.spacealpha.jp`

CNAME	`spacealpha.jp`
DNSSEC	⚠️ Not signed
A	2403:3a00:101:21:49:212:235:110^{🇯🇵 SAKURA-C2403:3a00::/32 SAKURA Internet // OSAKA BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan}
		PTR	`www3400.sakura.ne.jp`
A	49.212.235.110^{🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
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	`spacealpha.jp` ⭐
		A	2403:3a00:101:21:49:212:235:110^{🇯🇵 SAKURA-C2403:3a00::/32 SAKURA Internet // OSAKA BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan}
			PTR	`www3400.sakura.ne.jp`
		A	49.212.235.110^{🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`www3400.sakura.ne.jp`
TXT	`v=spf1 a:www3400.sakura.ne.jp mx ~all`
SOA	`master.dns.ne.jp`tech@sakura.ad.jp 2025-10-07 #1

`spacealpha.jp`

	DNSSEC	⚠️ Not signed
	A	2403:3a00:101:21:49:212:235:110^{🇯🇵 SAKURA-C2403:3a00::/32 SAKURA Internet // OSAKA BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan}
	A	49.212.235.110^{🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
	NS	`master.dns.ne.jp` ⭐
	NS	`ns1.dns.ne.jp`
	NS	`ns2.dns.ne.jp`
	MX	`spacealpha.jp` ⭐
	TXT	`v=spf1 a:www3400.sakura.ne.jp mx ~all`
	SOA	`master.dns.ne.jp`tech@sakura.ad.jp 2025-10-07 #1

WOT: SAFE (3/100)
WOT: SAFE (50/100)

Previously MX for

spacealpha.jp

Same first word

mail.dog

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mail.gov.bh

mail.tours

mail.no-ip.info

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mail.na

mail.hn

mail.srl

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mail.123hjemmeside.no

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mail.hotmail

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mail.ind.in

mail.com.in

mail.noip.us

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mail.eating-organic.net

mail.ba.gov.br

mail.com

mail.inf.br

mail.4u.com

mail.edu.tw

mail.gov.rs

mail.dnsalias.net

mail.pro.br

mail.ne.jp

mail.co.jp

mail.be

mail.com.vn

mail.how

mail.in-brb.de

mail.ro

mail.com.hk

mail.neustar

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mail.pw

mail.broker

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mail.yahoo

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mail.ps

mail.edu.ee

mail.gouv.ci

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mail.photos

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mail.ec

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mail.copro.uk

mail.or.id

mail.kim

mail.md

mail.gov.ls

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mail.gov.rw

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iaml.pl

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almi.ru

DNS History

5 records (1 active, 4 former)

○MXmail.spacealpha.jp2015-06-23 → 2016-12-30 · 3 obs

● 2015-06-23 15:11:58
● 2016-12-30 11:56:56
○ 2026-03-26 11:53:32

○MXmx1.firstserver.ne.jp2015-06-23 → 2016-12-30 · 3 obs

● 2015-06-23 15:11:58
● 2016-12-30 11:56:56
○ 2026-03-26 11:53:32

○MXmx2.firstserver.ne.jp2015-06-23 → 2016-12-30 · 3 obs

● 2015-06-23 15:11:58
● 2016-12-30 11:56:56
○ 2026-03-26 11:53:32

○A203.137.25.1112015-06-23 → 2016-12-30 · 3 obs

● 2015-06-23 15:11:58
● 2016-12-30 11:56:56
○ 2026-03-26 11:53:32

●CNAMEspacealpha.jp2026-03-26 → 2026-03-26 · 1 obs

● 2026-03-26 11:53:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	f.dns.jp, g.dns.jp, d.dns.jp, a.dns.jp...	-
spacealpha.jp	ns1.dns.ne.jp, ns2.dns.ne.jp	2 records

✅ Authoritative Response

Server:61.211.236.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for spacealpha.jp (unsigned zone)

⏱️ Timing

Total: 1131ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`spacealpha.jp`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.dns.ne.jp, ns2.dns.ne.jp)

Analysis

IP Addresses

mail.spacealpha.jp resolves to two IP numbers: 2403:3a00:101:21:49:212:235:110 and 49.212.235.110.

Other host names, for instance ecm.okayama-u.ac.jp, natsumeiro.jp, www3400.sakura.ne.jp, saizen.co.jp and miyako-group.sakura.ne.jp share IP numbers with mail.spacealpha.jp.

Name Servers

mail.spacealpha.jp is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

mail.spacealpha.jp partially shares name servers with other domains; examples include lukura.jp, n-tarco.com, cpsalon.com, apres-n.com and mtcg-app.com.

Host names with one IP number:

Host master.dns.ne.jp points to 210.224.172.18.

Host ns1.dns.ne.jp points to 61.211.236.1.

Host ns2.dns.ne.jp points to 133.167.21.1.

Mail Servers

mail.spacealpha.jp is handled by a single mail server, spacealpha.jp.

mail.spacealpha.jp uses the same mail server setup as other domains, for example spacealpha.jp.

Host spacealpha.jp resolves to two IPs: 2403:3a00:101:21:49:212:235:110 and 49.212.235.110.

mail.spacealpha.jp - robtex.com