bohaitech.com - dns.ninja

`bohaitech.com`

DNSSEC	⚠️ Not signed
NS	`dns21.hichina.com` ⚠️ Not in zone NS records
		A	2408:4009:501::29^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.40^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.60^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.200^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.220^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.40^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.60^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.100^{🇨🇳 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	139.224.142.110^{🇨🇳 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	`dns22.hichina.com` ⚠️ Not in zone NS records
		A	2408:4009:501::30^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.38^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.61^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.198^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.222^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.38^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.61^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.98^{🇨🇳 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	139.224.142.108^{🇨🇳 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,}

`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=1782547555

Same first word

bohaitech.com

DNS History

7 records (2 active, 5 former)

●NSdns21.hichina.com2015-07-20 → 2026-06-27 · 2 obs

● 2015-07-20 17:41:30
● 2026-06-27 08:24:08

●NSdns22.hichina.com2015-07-20 → 2026-06-27 · 2 obs

● 2015-07-20 17:41:30
● 2026-06-27 08:24:08

○MXmx1.em.dingtalk.com2026-04-06 → 2026-05-18 · 3 obs

● 2026-04-06 17:54:36
● 2026-05-18 17:09:38
○ 2026-06-27 08:24:08

○MXmx2.em.dingtalk.com2026-04-06 → 2026-05-18 · 3 obs

● 2026-04-06 17:54:36
● 2026-05-18 17:09:38
○ 2026-06-27 08:24:08

○MXmx3.em.dingtalk.com2026-04-06 → 2026-05-18 · 3 obs

● 2026-04-06 17:54:36
● 2026-05-18 17:09:38
○ 2026-06-27 08:24:08

○A122.193.18.2072015-07-20 → 2026-05-18 · 3 obs

● 2015-07-20 17:41:30
● 2026-05-18 17:09:38
○ 2026-06-27 08:24:08

○A223.6.124.1312015-11-14 → 2026-05-18 · 4 obs

○ 2015-07-20 17:41:30
● 2015-11-14 15:01:12
● 2026-05-18 17:09:38
○ 2026-06-27 08:24:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, f.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net...	-
bohaitech.com	dns21.hichina.com, dns22.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.40

NS records: dns21.hichina.com, dns22.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bohaitech.com (unsigned zone)

⏱️ Timing

Total: 3657ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`122.193.18.207, 223.6.124.131`
NS	2	`dns22.hichina.com, dns21.hichina.com`
MX	3	`mx3.em.dingtalk.com (pri: 15), mx1.em.dingtalk.com (pri: 5)...`
TXT	1	`v=spf1 include:spf.em.dingtalk.com -all`
SOA	1	`dns21.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns21.hichina.com, dns21.hichina.com, dns21.hichina.com...)

Analysis

Name Servers

Two name servers handle the delegation for bohaitech.com: dns21.hichina.com and dns22.hichina.com.

bohaitech.com shares its name server setup with other domains, including lieblie.com, fgylc.org, shjx.com and two others.

bohaitech.com partially shares its NS delegation with several other domains, including tobtop.com, lingnantech.com, hzmy8686.com and two others.

The name servers expirens3.hichina.com, expirens4.hichina.com, dns10.hichina.com and dns9.hichina.com are often found in use alongside these name servers.

Host names with 9 IP numbers:

dns21.hichina.com resolves to 39.96.153.40, 39.96.153.60 and 47.118.199.200 among others, with 6 other IP addresses in total.

dns22.hichina.com resolves to 39.96.153.38, 39.96.153.61 and 47.118.199.198 among others, with 6 other IP addresses in total.