`server01.extremeserv.net`

DNSSEC

⚠️ Not signed

`extremeserv.net`

	DNSSEC	⚠️ Not signed
	A	13.230.154.25^{🇯🇵 Amazon13.230.0.0/15 EC2 NRT prefix}
	NS	`system03.hmng.net` ⭐
	NS	`ns5.sendmail.ne.jp`
	NS	`ns6.sendmail.ne.jp`
	MX	`mfg05.sendmail.ne.jp` ⭐
	MX	`mfg06.sendmail.ne.jp`⁽³⁰⁾
	SOA	`system03.hmng.net`root@system03.hmng.net 2026-03-26 #0

PTR for

145.133.83.121.in-addr.arpa

Same first word

server01.us

server01.com

server01.nl

server01.mine.nu

server01.top

server01.eu

server01.be

server01.it

server01.org

server01.de

Similar names

server10.com.br

server10.ch

01server.net

server10.net

server10.com

01server.com

server10.fun

01server.ir

server10.xyz

server10.workers.dev

10server.com

server10.de

DNS History

5 records (0 active, 5 former)

○NSns3.sendmail.ne.jp2015-06-07 → 2016-09-10 · 4 obs

● 2015-06-07 16:44:10
● 2016-09-10 08:46:10
○ 2026-04-26 16:14:46
○ 2026-04-26 16:14:48

○NSns4.sendmail.ne.jp2015-06-07 → 2016-09-10 · 4 obs

● 2015-06-07 16:44:10
● 2016-09-10 08:46:10
○ 2026-04-26 16:14:46
○ 2026-04-26 16:14:48

○NSsystem02.hmng.net2015-06-07 → 2016-09-10 · 4 obs

● 2015-06-07 16:44:10
● 2016-09-10 08:46:10
○ 2026-04-26 16:14:46
○ 2026-04-26 16:14:48

○MXmail.server01.extremeserv.net2015-06-07 → 2016-09-10 · 4 obs

● 2015-06-07 16:44:10
● 2016-09-10 08:46:10
○ 2026-04-26 16:14:46
○ 2026-04-26 16:14:48

○A121.83.133.1452015-06-07 → 2016-09-10 · 4 obs

● 2015-06-07 16:44:10
● 2016-09-10 08:46:10
○ 2026-04-26 16:14:46
○ 2026-04-26 16:14:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	m.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net...	-
extremeserv.net	ns5.sendmail.ne.jp, ns6.sendmail.ne.jp	-

✅ Authoritative Response

Server:218.251.116.225

NS records: ns5.sendmail.ne.jp, ns6.sendmail.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for extremeserv.net (unsigned zone)

⏱️ Timing

Total: 1575ms | Queries: -

📄 Records

Type	Count	Sample Data

server01.extremeserv.net - robtex.com