esoptech.com - dns.ninja

`esoptech.com`

DNSSEC	⚠️ Not signed
A	202.39.131.130^{🇹🇼 HiNet202.39.128.0/17 (HiNet) Chunghwa Telecom Co., Ltd.}
		PTR	`www.hibox.hinet.net`
NS	`ns1.hibox.hinet.net` ⭐ ⚠️ Not in parent delegation
		A	2001:b000:180:80d:203:74:116:198^{🇹🇼 HiNet2001:b000:100::/40}
			PTR	`ns1.hibox.hinet.net`
		A	203.74.116.198^{🇹🇼 HiNet203.74.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.}
			PTR	`ns1.hibox.hinet.net`
NS	`ns.chthibox.net` ⚠️ Not in zone NS records
		A	2001:b000:168::192:38^{🇹🇼 HiNet2001:b000:100::/40}
			PTR	`ns.hibox.hinet.net`
		A	168.95.192.38^{🇹🇼 HiNet168.95.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.}
			PTR	`ns.hibox.hinet.net`
NS	`ns.hibox.hinet.net` ⚠️ Not in parent delegation
		A	2001:b000:168::192:38^{🇹🇼 HiNet2001:b000:100::/40}
			PTR	`ns.hibox.hinet.net`
		A	168.95.192.38^{🇹🇼 HiNet168.95.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.}
			PTR	`ns.hibox.hinet.net`
NS	`ns1.chthibox.net` ⚠️ Not in zone NS records
		A	2001:b000:180:80d:203:74:116:198^{🇹🇼 HiNet2001:b000:100::/40}
			PTR	`ns1.hibox.hinet.net`
		A	203.74.116.198^{🇹🇼 HiNet203.74.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.}
			PTR	`ns1.hibox.hinet.net`
MX	`mailfilter.esoptech.com` ⭐
		A	210.71.187.212^{🇹🇼 HiNet210.71.128.0/17 (HiNet) Chunghwa Telecom Co., Ltd.}
			PTR	`mailfilter.hibox.hinet.net`
TXT	`v=spf1 include:hibox.hinet.net ~all`
SOA	`ns.hibox.hinet.net`hostmaster@hinet.net serial=1784401202

`com`

	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=1784857467

Subdomains

mailfilter.esoptech.com

Same first word

esoptech.com

Similar names

DNS History

8 records (6 active, 2 former)

○NShinet-dns12015-08-27 → 2015-11-13 · 7 obs

● 2015-08-27 13:03:14
● 2015-09-17 12:29:54
○ 2015-10-30 12:41:04
○ 2015-11-08 18:09:28
● 2015-11-13 16:07:56
○ 2015-11-27 10:36:14
○ 2026-07-24 02:12:18

●NSns.chthibox.net2026-02-23 → 2026-07-24 · 3 obs

○ 2016-12-27 07:19:26
● 2026-02-23 12:14:46
● 2026-07-24 02:12:18

●NSns.hibox.hinet.net2015-09-17 → 2026-07-24 · 3 obs

○ 2015-08-27 13:03:14
● 2015-09-17 12:29:54
● 2026-07-24 02:12:18

○NSns.hibox.hinet.net.esoptech.com2015-10-30 → 2016-12-27 · 8 obs

○ 2015-09-17 12:29:54
● 2015-10-30 12:41:04
● 2015-11-08 18:09:28
○ 2015-11-13 16:07:56
● 2015-11-27 10:36:14
● 2016-12-27 07:19:26
○ 2026-02-23 12:14:46
○ 2026-07-24 02:12:18

●NSns1.chthibox.net2026-02-23 → 2026-07-24 · 3 obs

○ 2016-12-27 07:19:26
● 2026-02-23 12:14:46
● 2026-07-24 02:12:18

●NSns1.hibox.hinet.net2015-09-17 → 2026-07-24 · 3 obs

○ 2015-08-27 13:03:14
● 2015-09-17 12:29:54
● 2026-07-24 02:12:18

●MXmailfilter.esoptech.com2015-09-17 → 2026-07-24 · 2 obs

● 2015-09-17 12:29:54
● 2026-07-24 02:12:18

●A202.39.131.1302015-08-27 → 2026-07-24 · 2 obs

● 2015-08-27 13:03:14
● 2026-07-24 02:12:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, g.gtld-servers.net, c.gtld-servers.net, b.gtld-servers.net...	-
esoptech.com	ns.chthibox.net, ns1.chthibox.net	-

✅ Authoritative Response

Server:168.95.192.38

NS records: ns.chthibox.net, ns1.chthibox.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for esoptech.com (unsigned zone)

⏱️ Timing

Total: 888ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`202.39.131.130`
NS	2	`ns1.hibox.hinet.net, ns.hibox.hinet.net`
MX	1	`mailfilter.esoptech.com (pri: 5)`
TXT	1	`v=spf1 include:hibox.hinet.net ~all`
SOA	1	`ns.hibox.hinet.net hostmaster.hinet.net`

Analysis

Hierarchy

esoptech.com is a parent domain of mailfilter.esoptech.com.

IP Addresses

esoptech.com resolves to one IP address: 202.39.131.130.

sumi-pac.com, centec.com.tw, mayyual.com.tw and two other host names share IP numbers with esoptech.com.

Name Servers

The authoritative name servers for esoptech.com are ns1.chthibox.net, ns.chthibox.net, ns1.hibox.hinet.net and ns.hibox.hinet.net.

esoptech.com shares at least some of its name servers with other domains, including rivierataipei.com, rbt.com.tw, cf-wg.com and two others.

All four of ns1.chthibox.net, ns.chthibox.net, ns1.hibox.hinet.net and ns.hibox.hinet.net carry exactly two IP addresses each. ns1.chthibox.net and ns1.hibox.hinet.net share IP addresses 203.74.116.198 and 2001:b000:180:80d:203:74:116:198, and ns.chthibox.net and ns.hibox.hinet.net share IP addresses 168.95.192.38 and 2001:b000:168::192:38.

These two host names — ns1.chthibox.net and ns1.hibox.hinet.net — each point to 2001:b000:180:80d:203:74:116:198 IP addresses.

These two host names — ns1.chthibox.net and ns1.hibox.hinet.net — each point to 203.74.116.198 IP addresses.

These two host names — ns.chthibox.net and ns.hibox.hinet.net — each point to 2001:b000:168::192:38 IP addresses.

These two host names — ns.chthibox.net and ns.hibox.hinet.net — each point to 168.95.192.38 IP addresses.

Mail Servers

Mail for esoptech.com is handled by a single mail server, mailfilter.esoptech.com.

There is one IP number for mailfilter.esoptech.com: 210.71.187.212.