`businesssource.tw`

DNSSEC	⚠️ Not signed
A	54.215.31.113^{🇺🇸 Amazon54.215.0.0/17 EC2 SFO prefix}
		PTR	`ec2-54-215-31-113.us-west-1.compute.amazonaws.com`
NS	`ns1.dyna-ns.net` ⭐
		A	2400:cb00:2049:1::a29f:1a5c^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	2400:cb00:2049:1::a29f:1b9e^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.26.92^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.dyna-ns.net`
		A	162.159.27.158^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.dyna-ns.net`
NS	`ns2.dyna-ns.net`
		A	2400:cb00:2049:1::a29f:1805^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	2400:cb00:2049:1::a29f:1905^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.24.5^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.dyna-ns.net`
		A	162.159.25.5^{Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.dyna-ns.net`
SOA	`ns1.dyna-ns.net`hostmaster@businesssource.tw 2026-07-12 #2

`tw`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.tw` ⭐
	NS	`anytld.apnic.net` ⚠️ Not in parent delegation
	NS	`b.dns.tw`
	NS	`c.dns.tw`
	NS	`d.dns.tw`
	NS	`e.dns.tw`
	NS	`f.dns.tw`
	NS	`g.dns.tw`
	NS	`h.dns.tw`
	SOA	`a.dns.tw`snw@twnic.net.tw serial=2011048955

Same first word

businesssource.online

businesssource.co.uk

businesssource.tw

businesssource.co

businesssource.com.au

Similar names

businesscourse.be

businesscourse.ru

surecobusiness.com

DNS History

7 records (3 active, 4 former)

●NSns1.dyna-ns.net2026-02-20 → 2026-08-11 · 3 obs

○ 2018-01-05 00:58:12
● 2026-02-20 01:27:36
● 2026-08-11 14:08:10

●NSns2.dyna-ns.net2026-02-20 → 2026-08-11 · 3 obs

○ 2018-01-05 00:58:12
● 2026-02-20 01:27:36
● 2026-08-11 14:08:10

○NSns23.worldnic.com2015-08-27 → 2018-01-05 · 4 obs

● 2015-08-27 01:45:30
● 2018-01-05 00:58:12
○ 2026-02-20 01:27:36
○ 2026-08-11 14:08:10

○NSns24.worldnic.com2015-08-27 → 2018-01-05 · 4 obs

● 2015-08-27 01:45:30
● 2018-01-05 00:58:12
○ 2026-02-20 01:27:36
○ 2026-08-11 14:08:10

○MXp.webcom.ctmail.com2015-11-15 → 2018-01-05 · 4 obs

● 2015-11-15 01:11:58
● 2018-01-05 00:58:12
○ 2026-02-20 01:27:36
○ 2026-08-11 14:08:10

○A208.91.197.242015-08-27 → 2018-01-05 · 4 obs

● 2015-08-27 01:45:30
● 2018-01-05 00:58:12
○ 2026-02-20 01:27:36
○ 2026-08-11 14:08:10

●A54.215.31.1132026-02-20 → 2026-08-11 · 3 obs

○ 2018-01-05 00:58:12
● 2026-02-20 01:27:36
● 2026-08-11 14:08:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tw	a.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw...	-
businesssource.tw	ns1.dyna-ns.net, ns2.dyna-ns.net	-

✅ Authoritative Response

Server:162.159.25.5

NS records: ns1.dyna-ns.net, ns2.dyna-ns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for businesssource.tw (unsigned zone)

⏱️ Timing

Total: 811ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`54.215.31.113`
NS	2	`ns1.dyna-ns.net, ns2.dyna-ns.net`
SOA	1	`ns1.dyna-ns.net hostmaster.businesssourc`

Analysis

IP Addresses

businesssource.tw resolves to just one IP address, 54.215.31.113.

Two other host names, along with technicals.co.uk, padel.in and iplwin8888.com, also share IP numbers with businesssource.tw.

Name Servers

businesssource.tw uses two name servers for its delegation: ns1.dyna-ns.net and ns2.dyna-ns.net.

businesssource.tw shares its NS records with other domains, for example renate.com, mm-soft.com, mechar.io and two others.

Each of the hosts ns1.dyna-ns.net and ns2.dyna-ns.net has four IP addresses: ns1.dyna-ns.net points to 162.159.26.92, 162.159.27.158, 2400:cb00:2049:1::a29f:1a5c and 2400:cb00:2049:1::a29f:1b9e, and ns2.dyna-ns.net points to 162.159.24.5, 162.159.25.5, 2400:cb00:2049:1::a29f:1805 and 2400:cb00:2049:1::a29f:1905.

businesssource.tw - robtex.com