`mail.sharp-flat.co.jp`

DNSSEC	⚠️ Not signed
A	219.99.172.161^{🇯🇵 FUTURE219.99.168.0/21 FS CIDR BLOCK ORIGIN-AS23824-interim}
		PTR	`server60.dsbsv.net`

`sharp-flat.co.jp`

	DNSSEC	⚠️ Not signed
	A	219.99.172.200^{🇯🇵 FUTURE219.99.168.0/21 FS CIDR BLOCK ORIGIN-AS23824-interim}
	NS	`manage.asp-frontier.net` ⭐
	NS	`dns1.asp-frontier.net`
	NS	`dns2.asp-frontier.net`
	NS	`dns3.asp-frontier.net`
	MX	`mail.sharp-flat.co.jp` ⭐
	TXT	`v=spf1 +a +mx include:spfgw.fsi.ne.jp ~all`
	SOA	`manage.asp-frontier.net`root@manage.asp-frontier.net 2026-01-05 #0

MX for

sharp-flat.co.jp

Same first word

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DNS History

3 records (1 active, 2 former)

○A124.211.27.201970-01-01 → 1970-01-01 · 3 obs

● 1970-01-01 00:00:00
○ 2016-01-07 19:32:56
○ 2026-03-25 00:23:20

○A219.99.168.1482016-01-07 → 2016-07-06 · 5 obs

○ 1970-01-01 00:00:00
● 2016-01-07 19:32:56
● 2016-07-06 07:06:54
○ 2026-03-24 22:30:12
○ 2026-03-25 00:23:20

●A219.99.172.1612026-03-24 → 2026-03-25 · 3 obs

○ 2016-07-06 07:06:54
● 2026-03-24 22:30:12
● 2026-03-25 00:23:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
sharp-flat.co.jp	dns1.asp-frontier.net, dns2.asp-frontier.net, dns3.asp-frontier.net	-

✅ Authoritative Response

Server:219.99.166.20

NS records: dns1.asp-frontier.net, dns2.asp-frontier.net, dns3.asp-frontier.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sharp-flat.co.jp (unsigned zone)

⏱️ Timing

Total: 1530ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`219.99.172.161`

Analysis

Mail Server Role

mail.sharp-flat.co.jp serves as a mail server for sharp-flat.co.jp.

IP Addresses

mail.sharp-flat.co.jp resolves to one IP number: 219.99.172.161.

Other host names, for instance mail.take(0x73686974)a-seika.jp, mail.satsumasendai.or.jp, ns1.ikeda-kensetsu.com, kttl.jp and mail.hana87.co.jp share IP numbers with mail.sharp-flat.co.jp.

mail.sharp-flat.co.jp - robtex.com