oti-tech.com - dns.ninja

`oti-tech.com`

DNSSEC	⚠️ Not signed
A	13.229.97.97^{🇸🇬 Amazon13.228.0.0/15 EC2 SIN prefix}
		PTR	`ec2-13-229-97-97.ap-southeast-1.compute.amazonaws.com`
NS	`dns15.hichina.com` ⭐
		A	2408:4009:501::23^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.42^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.52^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.202^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.212^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.42^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.52^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.112^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.122^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`dns16.hichina.com`
		A	2408:4009:501::24^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.41^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.51^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.201^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.211^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.41^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.51^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.111^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.121^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
MX	`mx1.feishu.cn` ⭐
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
MX	`mx2.feishu.cn`⁽⁵⁾
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
MX	`mx3.feishu.cn`⁽¹⁰⁾
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
TXT	`v=spf1 +include:_netblocks.m.feishu.cn -all`
TXT	`verification-code-site-App_feishu=AP7HvwbEwPTFW7xtYQwi`
SOA	`dns15.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`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=1785169162

Same first word

oti-tech.com

Similar names

iot-tech.com

tio-tech.com

iot-tech.dev

iot-tech.info

iot-tech.co

iot-tech.org

DNS History

6 records (6 active, 0 former)

●NSdns15.hichina.com2026-02-21 → 2026-07-27 · 2 obs

● 2026-02-21 03:30:00
● 2026-07-27 16:34:30

●NSdns16.hichina.com2026-02-21 → 2026-07-27 · 2 obs

● 2026-02-21 03:30:00
● 2026-07-27 16:34:30

●MXmx1.feishu.cn2026-02-21 → 2026-07-27 · 2 obs

● 2026-02-21 03:30:00
● 2026-07-27 16:34:30

●MXmx2.feishu.cn2026-02-21 → 2026-07-27 · 2 obs

● 2026-02-21 03:30:00
● 2026-07-27 16:34:30

●MXmx3.feishu.cn2026-02-21 → 2026-07-27 · 2 obs

● 2026-02-21 03:30:00
● 2026-07-27 16:34:30

●A13.229.97.972026-02-21 → 2026-07-27 · 2 obs

● 2026-02-21 03:30:00
● 2026-07-27 16:34:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, e.gtld-servers.net, l.gtld-servers.net, g.gtld-servers.net...	-
oti-tech.com	dns15.hichina.com, dns16.hichina.com	18 records

✅ Authoritative Response

Server:2408:4009:501::24

NS records: dns15.hichina.com, dns16.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for oti-tech.com (unsigned zone)

⏱️ Timing

Total: 3339ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`13.229.97.97`
NS	2	`dns15.hichina.com, dns16.hichina.com`
MX	3	`mx2.feishu.cn (pri: 5), mx3.feishu.cn (pri: 10)...`
TXT	2	`verification-code-site-App_feishu=AP7Hvw, v=spf1 +include:_netblocks.m.feishu.cn -`
SOA	1	`dns15.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns15.hichina.com, dns15.hichina.com, dns15.hichina.com...)

Analysis

IP Addresses

oti-tech.com resolves to one IP address: 13.229.97.97.

Name Servers

Two name servers handle the delegation for oti-tech.com: dns15.hichina.com and dns16.hichina.com.

oti-tech.com uses the same name servers as several other domains — among them abcdd10044.icu, sqacg.com, myarton.com and two more.

At least some of oti-tech.com's name servers are shared with other domains, for example imtv.cn, biostime.com.cn, tsholiday.com and two more.

It is common for these name servers to be used in conjunction with the name servers expirens3.hichina.com, expirens4.hichina.com and ns1.alidns.com.

Hostnames that resolve to 9 IP addresses:

dns15.hichina.com resolves to 39.96.153.42, 39.96.153.52 and 47.118.199.202 among others, with 6 other IP addresses in total.

dns16.hichina.com resolves to 39.96.153.41, 39.96.153.51 and 47.118.199.201 among others, with 6 other IP addresses in total.

Mail Servers

The MX records for oti-tech.com list three mail servers: mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.

oti-tech.com has at least partial mail server overlap with other domains such as lunamob.com, virustotal.com.cn, fantasy-network-games.com and two more.

Hostnames that resolve to three IP addresses:

The hostname mx3.feishu.cn points to 52.220.106.220, 101.126.58.225 and 122.14.229.0.

Hostnames that resolve to two IP addresses:

mx2.feishu.cn resolves to two addresses: 101.126.58.225 and 122.14.229.0.

Hosts with just one IP address:

The hostname mx1.feishu.cn resolves to 52.220.106.220.

mx3.feishu.cn along with mx1.feishu.cn each resolve to 52.220.106.220 IP addresses.

mx3.feishu.cn along with mx2.feishu.cn each resolve to 101.126.58.225 IP addresses.

mx3.feishu.cn along with mx2.feishu.cn each resolve to 122.14.229.0 IP addresses.