`asiainstrumentsltd.com`

DNSSEC	⚠️ Not signed
A	116.203.48.135^{🇩🇪 Hetzner116.203.0.0/16 HETZNER-DC}
		PTR	`static.135.48.203.116.clients.your-server.de`
NS	`ns21.iranhost.com` ⭐
		A	116.203.110.116^{🇩🇪 Hetzner116.203.0.0/16 HETZNER-DC}
			PTR	`w2k19-mx.ihglobaldns.com`
NS	`ns22.iranhost.com`
		A	116.203.57.226^{🇩🇪 Hetzner116.203.0.0/16 HETZNER-DC}
			PTR	`w2k19mx02.ihglobaldns.com`
MX	`mail.asiainstrumentsltd.com` ⭐
		A	116.203.57.226^{🇩🇪 Hetzner116.203.0.0/16 HETZNER-DC}
			PTR	`w2k19mx02.ihglobaldns.com`
TXT	`v=spf1 a mx -all`
SOA	`ns21.iranhost.com`hostmaster@asiainstrumentsltd.com 2025-07-23 #3

`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=1776235222

Subdomains

mail.asiainstrumentsltd.com

Same first word

asiainstrumentsltd.com

DNS History

10 records (4 active, 6 former)

○NSns1.rayan.biz2008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 02:34:56
○ 2015-08-09 17:38:30
○ 2026-04-15 07:00:36

○NSns2.rayan.biz2008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 02:34:56
○ 2015-08-09 17:38:30
○ 2026-04-15 07:00:36

●NSns21.iranhost.com2026-04-15 → 2026-04-15 · 3 obs

○ 2018-03-08 12:23:54
● 2026-04-15 07:00:30
● 2026-04-15 07:00:36

●NSns22.iranhost.com2026-04-15 → 2026-04-15 · 3 obs

○ 2018-03-08 12:23:54
● 2026-04-15 07:00:30
● 2026-04-15 07:00:36

○NSns81.iranhost.com2015-08-09 → 2018-03-08 · 5 obs

○ 2008-03-20 02:34:56
● 2015-08-09 17:38:30
● 2018-03-08 12:23:54
○ 2026-04-15 07:00:30
○ 2026-04-15 07:00:36

○NSns82.iranhost.com2015-08-09 → 2018-03-08 · 5 obs

○ 2008-03-20 02:34:56
● 2015-08-09 17:38:30
● 2018-03-08 12:23:54
○ 2026-04-15 07:00:30
○ 2026-04-15 07:00:36

●MXmail.asiainstrumentsltd.com2008-03-20 → 2026-04-15 · 2 obs

● 2008-03-20 02:34:56
● 2026-04-15 07:00:36

●A116.203.48.1352026-04-15 → 2026-04-15 · 3 obs

○ 2018-03-08 12:23:54
● 2026-04-15 07:00:30
● 2026-04-15 07:00:36

○A207.176.223.1142008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 02:34:56
○ 2015-08-09 17:38:30
○ 2026-04-15 07:00:36

○A70.38.40.2152015-08-09 → 2018-03-08 · 5 obs

○ 2008-03-20 02:34:56
● 2015-08-09 17:38:30
● 2018-03-08 12:23:54
○ 2026-04-15 07:00:30
○ 2026-04-15 07:00:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
asiainstrumentsltd.com	ns21.iranhost.com, ns22.iranhost.com	2 records

✅ Authoritative Response

Server:116.203.57.226

NS records: ns21.iranhost.com, ns22.iranhost.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for asiainstrumentsltd.com (unsigned zone)

⏱️ Timing

Total: 257ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`116.203.48.135`
NS	2	`ns22.iranhost.com, ns21.iranhost.com`
MX	1	`mail.asiainstrumentsltd.com (pri: 10)`
TXT	1	`v=spf1 a mx -all`
SOA	1	`ns21.iranhost.com hostmaster.asiainstrum`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns21.iranhost.com, ns22.iranhost.com)

Analysis

Hierarchy

asiainstrumentsltd.com is parent of mail.asiainstrumentsltd.com.

IP Addresses

asiainstrumentsltd.com points to a single IP: 116.203.48.135.

Other host names, for instance arsisps.com, askarifar.com, azinpars.com, mail.bio-rosemond.com and bio-rosemond.com share IP numbers with asiainstrumentsltd.com.

Name Servers

asiainstrumentsltd.com's delegation is to two name servers ns21.iranhost.com and ns22.iranhost.com.

asiainstrumentsltd.com shares the same name server configuration as other domains, such as sama-rayan-sanat.com, shantransport.com, avecworld.com, arka-co.com and baftino.com.

asiainstrumentsltd.com at least partially shares its name servers with other domains, for instance pasaddana.com, ariabit.com, iftdc.com, irancarbonlesspaper.com and jostojogar.com.

These name servers are commonly used alongside ns81.iranhost.com and ns82.iranhost.com.

Host names with a single IP:

ns21.iranhost.com resolves to 116.203.110.116.

ns22.iranhost.com resolves to 116.203.57.226.

Mail Servers

asiainstrumentsltd.com is served by a single mail server, mail.asiainstrumentsltd.com.

mail.asiainstrumentsltd.com points to IP number 116.203.57.226.

asiainstrumentsltd.com - robtex.com