smartosin.com - robtex.com

`smartosin.com`

	DNSSEC	⚠️ Not signed
	A	16.239.34.21
	A	216.239.32.21^{🇺🇸 Google216.239.32.0/24}
	A	216.239.36.21^{🇺🇸 Google216.239.36.0/24}
	A	216.239.38.21^{🇺🇸 Google216.239.38.0/24}
	NS	`ns1.imsvietnam.vn` ⭐ ⚠️ Not in parent delegation
			A	125.212.225.141^{🇻🇳 VTDC-AS-VN125.212.225.0/24 VIETTEL-VN}
	NS	`ns1.zonedns.vn` ⚠️ Not in zone NS records
			A	2401:c080:1400:1cd4:5400:5ff:fe80:ec33^{🇸🇬 AS-VULTR2401:c080:1400::/38 Vultr Assigned Prefix}
			A	64.176.84.220^{🇸🇬 AS-VULTR64.176.80.0/20 Vultr Assigned Prefix}
				PTR	`ns1.zonedns.vn`
	NS	`ns2.imsvietnam.vn` ⚠️ Not in parent delegation
			A	103.176.178.51^{🇻🇳 NHAN-HOA-AS-VN103.176.178.0/24 NINETECH-VN}
	NS	`ns2.zonedns.vn` ⚠️ Not in zone NS records
			A	2401:c080:1400:1cd4:5400:5ff:fe80:ec33^{🇸🇬 AS-VULTR2401:c080:1400::/38 Vultr Assigned Prefix}
			A	103.176.178.51^{🇻🇳 NHAN-HOA-AS-VN103.176.178.0/24 NINETECH-VN}
	NS	`ns3.imsvietnam.vn` ⚠️ Not in parent delegation
			A	103.28.36.30^{🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN}
	NS	`ns3.zonedns.vn` ⚠️ Not in zone NS records
			A	2001:df1:3200::15^{🇻🇳 NHAN-HOA-AS-VN2001:df1:3200::/48 NHANHOA-VN}
			A	103.28.36.30^{🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN}
	TXT	`dan-ownership-verification=knq0127d`
	SOA	`ns1.imsvietnam.vn`root@smartosin.com 2022-04-19 #2

`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=1774498667

Same first word

smartosin.com

Similar names

DNS History

14 records (10 active, 4 former)

●NSns1.imsvietnam.vn2026-03-03 → 2026-03-26 · 3 obs

○ 2016-12-17 15:15:52
● 2026-03-03 09:13:30
● 2026-03-26 04:43:50

●NSns1.zonedns.vn2016-12-17 → 2026-03-26 · 2 obs

● 2016-12-17 15:15:52
● 2026-03-26 04:43:50

●NSns2.imsvietnam.vn2026-03-03 → 2026-03-26 · 3 obs

○ 2016-12-17 15:15:52
● 2026-03-03 09:13:30
● 2026-03-26 04:43:50

●NSns2.zonedns.vn2016-12-17 → 2026-03-26 · 2 obs

● 2016-12-17 15:15:52
● 2026-03-26 04:43:50

●NSns3.imsvietnam.vn2026-03-03 → 2026-03-26 · 3 obs

○ 2016-12-17 15:15:52
● 2026-03-03 09:13:30
● 2026-03-26 04:43:50

●NSns3.zonedns.vn2016-12-17 → 2026-03-26 · 2 obs

● 2016-12-17 15:15:52
● 2026-03-26 04:43:50

○NSns4.zonedns.vn2016-12-17 → 2016-12-17 · 3 obs

● 2016-12-17 15:15:52
○ 2026-03-03 09:13:30
○ 2026-03-26 04:43:50

●A16.239.34.212026-03-03 → 2026-03-26 · 3 obs

○ 2016-12-17 15:15:52
● 2026-03-03 09:13:30
● 2026-03-26 04:43:50

○A173.194.72.1212016-12-17 → 2016-12-17 · 3 obs

● 2016-12-17 15:15:52
○ 2026-03-03 09:13:30
○ 2026-03-26 04:43:50

●A216.239.32.212016-12-17 → 2026-03-26 · 2 obs

● 2016-12-17 15:15:52
● 2026-03-26 04:43:50

○A216.239.34.212016-12-17 → 2016-12-17 · 3 obs

● 2016-12-17 15:15:52
○ 2026-03-03 09:13:30
○ 2026-03-26 04:43:50

●A216.239.36.212016-12-17 → 2026-03-26 · 2 obs

● 2016-12-17 15:15:52
● 2026-03-26 04:43:50

●A216.239.38.212016-12-17 → 2026-03-26 · 2 obs

● 2016-12-17 15:15:52
● 2026-03-26 04:43:50

○A64.233.183.1212016-12-17 → 2016-12-17 · 3 obs

● 2016-12-17 15:15:52
○ 2026-03-03 09:13:30
○ 2026-03-26 04:43:50

🔍 DNS Trace

Analysis

IP Addresses

Four IP numbers are pointed to by smartosin.com: 16.239.34.21, 216.239.32.21, 216.239.36.21 and 216.239.38.21.

other host names including friotecs.com, cmzeolites.com.au, constellationdelours.com, bsgms.site and fruxon.com share IP numbers with smartosin.com.

Name Servers

smartosin.com is delegated to six name servers: ns1.imsvietnam.vn, ns2.imsvietnam.vn, ns3.imsvietnam.vn, ns1.zonedns.vn, ns2.zonedns.vn and ns3.zonedns.vn.

smartosin.com at least partially shares name servers with other domains, for instance css.com.vn, theptiendat.com, xaydungphvickhome.com, aivietnam.net and inhagia.net.

these name servers are often used together with ns4.zonedns.vn, ns4.imsvietnam.vn, ns2008.nhanhoa.com.vn and ns2009.nhanhoa.com.vn.

Host names with two IP numbers:

ns1.zonedns.vn points to: 2401:c080:1400:1cd4:5400:5ff:fe80:ec33 and 64.176.84.220.

ns2.zonedns.vn points to: 2401:c080:1400:1cd4:5400:5ff:fe80:ec33 and 103.176.178.51.

ns3.zonedns.vn points to: 2001:df1:3200::15 and 103.28.36.30.

Host names with one IP number:

ns1.imsvietnam.vn points to: 125.212.225.141.

ns2.imsvietnam.vn points to: 103.176.178.51.

ns3.imsvietnam.vn points to: 103.28.36.30.

Host names that point to 2401:c080:1400:1cd4:5400:5ff:fe80:ec33: ns1.zonedns.vn and ns2.zonedns.vn.

Host names that point to 103.176.178.51: ns2.zonedns.vn and ns2.imsvietnam.vn.

Host names that point to 103.28.36.30: ns3.zonedns.vn and ns3.imsvietnam.vn.