sinu.tech - dns.ninja

`sinu.tech`

DNSSEC	⚠️ Not signed
A	211.171.161.145^{🇰🇷 DACOM-NET211.171.0.0/16}
NS	`ns1.whoisdomain.kr` ⭐ ⚠️ Not in parent delegation
		A	223.130.139.7^{🇰🇷 NBPAP-AS-AP223.130.128.0/19 NAVER business platform cloud service}
NS	`dns1.yesnic.com` ⚠️ Not in zone NS records
		A	223.130.139.7^{🇰🇷 NBPAP-AS-AP223.130.128.0/19 NAVER business platform cloud service}
NS	`dns2.yesnic.com` ⚠️ Not in zone NS records
		A	211.188.57.152^{🇰🇷 NBPAP-AS-AP211.188.48.0/20 NAVER business platform cloud service}
NS	`dns3.yesnic.com` ⚠️ Not in zone NS records
		A	61.97.189.22^{🇰🇷 nhn-AS-KR61.97.176.0/20 NAVER business platform cloud service}
NS	`dns4.yesnic.com` ⚠️ Not in zone NS records
		A	219.251.156.134^{🇰🇷 GDNSKR-KR219.251.156.0/24 AS23600}
NS	`ns2.whoisdomain.kr` ⚠️ Not in parent delegation
		A	211.188.57.152^{🇰🇷 NBPAP-AS-AP211.188.48.0/20 NAVER business platform cloud service}
NS	`ns3.whoisdomain.kr` ⚠️ Not in parent delegation
		A	61.97.189.22^{🇰🇷 nhn-AS-KR61.97.176.0/20 NAVER business platform cloud service}
NS	`ns4.whoisdomain.kr` ⚠️ Not in parent delegation
		A	219.251.156.134^{🇰🇷 GDNSKR-KR219.251.156.0/24 AS23600}
MX	`sinu-tech.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc35::^{🇰🇷 Microsoft2a01:111:f000::/36}
			PTR	`mail-slxp216cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:cc35::1^{🇰🇷 Microsoft2a01:111:f000::/36}
			PTR	`mail-sevp216cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:cc35::2^{🇰🇷 Microsoft2a01:111:f000::/36}
			PTR	`mail-se2p216cu00602.inbound.protection.outlook.com`
		A	2a01:111:f403:cc37::^{🇰🇷 Microsoft2a01:111:f000::/36}
			PTR	`mail-puwp216cu00200.inbound.protection.outlook.com`
		A	52.101.153.0^{🇰🇷 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-slxp216cu00200.inbound.protection.outlook.com`
		A	52.101.153.1^{🇰🇷 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sevp216cu00101.inbound.protection.outlook.com`
		A	52.101.153.2^{🇰🇷 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-se2p216cu00602.inbound.protection.outlook.com`
		A	52.101.155.0^{🇰🇷 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-puwp216cu00200.inbound.protection.outlook.com`
TXT	`v=spf1 ip4:203.254.240.158 ip4:211.220.122.187 include:spf.protection.outlook...`
TXT	`yf5dyfhrck4phqhswh3t5c4m3nwznbw6`
TXT	`_uifqynw80ag2if8tsfzdvvruzpwpulx`
SOA	`ns1.whoisdomain.kr`help@whois.co.kr 2018-09-05 #1

`tech`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns01.trs-dns.com` ⭐
	NS	`ns.trs-dns.com`
	NS	`ns01.trs-dns.net`
	NS	`ns10.trs-dns.info`
	NS	`ns10.trs-dns.org`
	SOA	`ns.trs-dns.com`trs-ops@tucows.com serial=1781823839

Subdomains

nas2.sinu.tech

nas1.sinu.tech

Same first word

sinu.de

sinu.edu.sb

sinu.it

sinu.co.kr

sinu.ee

sinu.in

sinu.eu

sinu.es

sinu.ru

sinu.ch

sinu.net

sinu.com.cn

sinu.tech

sinu.org

sinu.com

sinu.info

sinu.dev

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nisu.app

unis.cn

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usni.com

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usin.de

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suni.org

usin.no

nius.pl

nisu.it

nisu.vn

nisu.cn

nius.ru

suni.de

nisu.edu.ph

suin.asia

suin.org

usni.us

nisu.no

unis.technology

suin.github.io

nuis.jp

usin.eu

isun.ru

suni.es

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inus.com.cn

inus.org

isun.be

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isnu.us

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isun.ca

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uins.de

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DNS History

11 records (10 active, 1 former)

●NSdns1.yesnic.com2026-03-22 → 2026-06-18 · 2 obs

● 2026-03-22 16:31:22
● 2026-06-18 23:41:42

●NSdns2.yesnic.com2026-03-22 → 2026-06-18 · 2 obs

● 2026-03-22 16:31:22
● 2026-06-18 23:41:42

●NSdns3.yesnic.com2026-03-22 → 2026-06-18 · 2 obs

● 2026-03-22 16:31:22
● 2026-06-18 23:41:42

●NSdns4.yesnic.com2026-03-22 → 2026-06-18 · 2 obs

● 2026-03-22 16:31:22
● 2026-06-18 23:41:42

●NSns1.whoisdomain.kr2026-03-22 → 2026-06-18 · 2 obs

● 2026-03-22 16:31:22
● 2026-06-18 23:41:42

●NSns2.whoisdomain.kr2026-03-22 → 2026-06-18 · 2 obs

● 2026-03-22 16:31:22
● 2026-06-18 23:41:42

●NSns3.whoisdomain.kr2026-03-22 → 2026-06-18 · 2 obs

● 2026-03-22 16:31:22
● 2026-06-18 23:41:42

●NSns4.whoisdomain.kr2026-03-22 → 2026-06-18 · 2 obs

● 2026-03-22 16:31:22
● 2026-06-18 23:41:42

●MXsinu-tech.mail.protection.outlook.com2026-03-22 → 2026-06-18 · 2 obs

● 2026-03-22 16:31:22
● 2026-06-18 23:41:42

○A183.111.161.1882026-03-22 → 2026-05-20 · 4 obs

● 2026-03-22 16:31:22
● 2026-05-20 04:44:22
○ 2026-05-30 18:15:58
○ 2026-06-18 23:41:42

●A211.171.161.1452026-05-30 → 2026-06-18 · 3 obs

○ 2026-05-20 04:44:22
● 2026-05-30 18:15:58
● 2026-06-18 23:41:42

🔍 DNS Trace

Analysis

Hierarchy

nas2.sinu.tech and nas1.sinu.tech each fall under sinu.tech as their parent domain.

IP Addresses

sinu.tech resolves to just one IP address, 211.171.161.145.

Host names like sinutech.kr are further examples that share IP numbers with sinu.tech.

Name Servers

sinu.tech is served by 8 authoritative name servers — among them dns1.yesnic.com, dns2.yesnic.com, dns3.yesnic.com and 5 others.

sinu.tech partially shares its NS delegation with several other domains, including simrex.net, gise.kr, dolbomnara.co.kr and two others.

The name servers ns1.whoisdomain.kr, ns2.whoisdomain.kr, ns3.whoisdomain.kr and two others are commonly seen in use alongside these name servers.

Host names that point to one IP address:

The hostname dns1.yesnic.com resolves to 223.130.139.7.

The hostname dns2.yesnic.com resolves to 211.188.57.152.

The hostname dns3.yesnic.com resolves to 61.97.189.22.

The hostname dns4.yesnic.com resolves to 219.251.156.134.

The hostname ns1.whoisdomain.kr resolves to 223.130.139.7.

The hostname ns2.whoisdomain.kr resolves to 211.188.57.152.

The hostname ns3.whoisdomain.kr resolves to 61.97.189.22.

The hostname ns4.whoisdomain.kr resolves to 219.251.156.134.

dns1.yesnic.com along with ns1.whoisdomain.kr each resolve to 223.130.139.7 IP addresses.

dns2.yesnic.com along with ns2.whoisdomain.kr each resolve to 211.188.57.152 IP addresses.

dns3.yesnic.com along with ns3.whoisdomain.kr each resolve to 61.97.189.22 IP addresses.

dns4.yesnic.com along with ns4.whoisdomain.kr each resolve to 219.251.156.134 IP addresses.

Mail Servers

The sole mail server for sinu.tech is sinu-tech.mail.protection.outlook.com.

With 8 IP addresses total, sinu-tech.mail.protection.outlook.com resolves to 52.101.153.0, 52.101.153.1, 52.101.153.2 and 5 others.