`ism21.net`

DNSSEC	⚠️ Not signed
A	180.131.111.189^{🇯🇵 FBDC180.131.111.0/24 FreeBit CIDR X-Keiro:nic-noc@FreeBit.NET}
		PTR	`189.111.131.180.west.global.crust-r.net`
NS	`mz80.ism21.net` ⭐ ⚠️ Not in zone NS records
		A	180.131.111.189^{🇯🇵 FBDC180.131.111.0/24 FreeBit CIDR X-Keiro:nic-noc@FreeBit.NET}
			PTR	`189.111.131.180.west.global.crust-r.net`
NS	`ns.ism21.net` ⚠️ Not in parent delegation
		A	180.131.111.189^{🇯🇵 FBDC180.131.111.0/24 FreeBit CIDR X-Keiro:nic-noc@FreeBit.NET}
			PTR	`189.111.131.180.west.global.crust-r.net`
MX	`mail.ism21.net` ⭐
TXT	`v=spf1 +ip4:180.131.111.189 -all`
SOA	`mz80.ism21.net`root@mz80.ism21.net serial=170

`net`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774462117

Subdomains

ns.ism21.net

mail.ism21.net

mz80.ism21.net

Same first word

ism21.net

ism21.com

Similar names

21ism.com

sim21.net

ism12.com

sim21.com

12ism.com

ims21.de

12sim.com

21mis.com

smi21.com

mis21.de

1sim2.com

smi21.ru

ims21.net

mis12.de

msi21.jp

ims21.tv

is12m.com

msi21.com

12sim.de

DNS History

7 records (4 active, 3 former)

●NSmz80.ism21.net2026-02-22 → 2026-03-25 · 3 obs

○ 2015-10-25 23:18:24
● 2026-02-22 11:02:14
● 2026-03-25 18:32:54

●NSns.ism21.net2015-06-18 → 2026-03-25 · 2 obs

● 2015-06-18 03:19:24
● 2026-03-25 18:32:54

○NSuso5004.mie-chukyo-u.ac.jp2015-06-18 → 2015-06-18 · 3 obs

● 2015-06-18 03:19:24
○ 2015-10-25 23:18:24
○ 2026-03-25 18:32:54

●MXmail.ism21.net2015-06-18 → 2026-03-25 · 2 obs

● 2015-06-18 03:19:24
● 2026-03-25 18:32:54

●A180.131.111.1892026-02-22 → 2026-03-25 · 3 obs

○ 2017-04-02 00:46:14
● 2026-02-22 11:02:14
● 2026-03-25 18:32:54

○A182.236.42.212015-06-18 → 2017-04-02 · 4 obs

● 2015-06-18 03:19:24
● 2017-04-02 00:46:14
○ 2026-02-22 11:02:14
○ 2026-03-25 18:32:54

○A61.174.42.432015-06-18 → 2015-06-18 · 3 obs

● 2015-06-18 03:19:24
○ 2026-02-22 11:02:14
○ 2026-03-25 18:32:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	m.gtld-servers.net, g.gtld-servers.net, e.gtld-servers.net, i.gtld-servers.net...	-
ism21.net	mz80.ism21.net	1 record

✅ Authoritative Response

Server:180.131.111.189

NS records: mz80.ism21.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ism21.net (unsigned zone)

⏱️ Timing

Total: 495ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`180.131.111.189`
NS	1	`ns.ism21.net`
MX	1	`mail.ism21.net (pri: 10)`
TXT	1	`v=spf1 +ip4:180.131.111.189 -all`
SOA	1	`mz80.ism21.net root.mz80.ism21.net`

📌 Glue Records Collected

Total: 1

In-bailiwick: 1 (mz80.ism21.net)

Analysis

Hierarchy

ism21.net is a parent of ns.ism21.net, mail.ism21.net and mz80.ism21.net.

IP Addresses

ism21.net points to a single IP address: 180.131.111.189.

Other host names such as ns.ism21.net, 189.111.131.180.west.global.crust-r.net and mz80.ism21.net share IP numbers with ism21.net.

Name Servers

ism21.net is delegated to two name servers: mz80.ism21.net and ns.ism21.net.

Host names sharing a single IP: mz80.ism21.net and ns.ism21.net point to 180.131.111.189.

Mail Servers

The mail server for ism21.net is mail.ism21.net.

ism21.net - robtex.com

ism21.net

net