`mail.lock-speed.com`

	DNSSEC	⚠️ Not signed
	A	210.140.118.86^{🇯🇵 IDC210.140.96.0/19 Frontier Inc.}

`lock-speed.com`

	DNSSEC	⚠️ Not signed
	A	210.140.118.86^{🇯🇵 IDC210.140.96.0/19 Frontier Inc.}
	NS	`ns2.lock-speed.com` ⭐ ⚠️ Not in parent delegation
	NS	`prvh1036.presinet.ne.jp`
	NS	`prvh1036.ssl0001-presinet.ne.jp` ⚠️ Not in zone NS records
	MX	`mail.lock-speed.com` ⭐
	TXT	`v=spf1 +a +mx +a:prvh1036.presinet.ne.jp -all`
	SOA	`ns2.lock-speed.com`info@presinet.ne.jp 2026-03-05 #2

MX for

lock-speed.com

Same first word

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DNS History

4 records (1 active, 3 former)

○A113.43.208.2062026-03-27 → 2026-03-27 · 2 obs

○ 2026-03-27 04:07:16
○ 2026-03-27 05:56:02

○A124.211.27.912008-03-08 → 2008-03-08 · 3 obs

● 2008-03-08 08:22:44
○ 2015-06-14 07:30:42
○ 2026-03-27 05:56:02

○A182.48.38.652015-06-14 → 2016-08-09 · 5 obs

○ 2008-03-08 08:22:44
● 2015-06-14 07:30:42
● 2016-08-09 23:50:56
○ 2026-03-27 04:07:16
○ 2026-03-27 05:56:02

●A210.140.118.862026-03-27 → 2026-03-27 · 3 obs

○ 2016-08-09 23:50:56
● 2026-03-27 04:07:16
● 2026-03-27 05:56:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
lock-speed.com	prvh1036.presinet.ne.jp, prvh1036.ssl0001-presinet.ne.jp	-

✅ Authoritative Response

Server:210.140.118.86

NS records: prvh1036.presinet.ne.jp, prvh1036.ssl0001-presinet.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lock-speed.com (unsigned zone)

⏱️ Timing

Total: 741ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`210.140.118.86`

Analysis

Mail Server Role

mail.lock-speed.com acts as a mail server for lock-speed.com.

IP Addresses

mail.lock-speed.com points to a single IP number: 210.140.118.86.

Other host names, for instance ns2.setouchinaisou.com, ns2.harupaeya.com, kanou-kensetsu.com, souken2010.com and mail.yousin5205.com share IP numbers with mail.lock-speed.com.

mail.lock-speed.com - robtex.com