`nb-xx.com`

DNSSEC	⚠️ Not signed
NS	`dns21.hichina.com` ⭐
		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`
		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,}
MX	`mx1.qiye.aliyun.com` ⭐
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
MX	`mx2.qiye.aliyun.com`⁽¹⁰⁾
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
MX	`mx3.qiye.aliyun.com`⁽¹⁵⁾
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
TXT	`v=spf1 include:spf.qiye.aliyun.com -all`
SOA	`dns21.hichina.com`hostmaster@hichina.com 2026-01-09 #13

`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=1776021732

Same first word

nb-xx.com

DNS History

12 records (5 active, 7 former)

●NSdns21.hichina.com2026-03-02 → 2026-04-12 · 3 obs

○ 2021-05-23 08:21:08
● 2026-03-02 14:52:30
● 2026-04-12 19:48:00

●NSdns22.hichina.com2026-03-02 → 2026-04-12 · 3 obs

○ 2021-05-23 08:21:08
● 2026-03-02 14:52:30
● 2026-04-12 19:48:00

○NSjm1.dns.com2020-10-30 → 2021-01-06 · 5 obs

○ 2016-04-17 19:58:48
● 2020-10-30 22:58:10
● 2021-01-06 09:52:10
○ 2021-05-23 08:21:08
○ 2026-04-12 19:48:00

○NSjm2.dns.com2020-10-30 → 2021-01-06 · 5 obs

○ 2016-04-17 19:58:48
● 2020-10-30 22:58:10
● 2021-01-06 09:52:10
○ 2021-05-23 08:21:08
○ 2026-04-12 19:48:00

○NSns1.iecworld.net2008-03-08 → 2008-03-08 · 3 obs

● 2008-03-08 11:47:58
○ 2015-08-19 09:18:18
○ 2026-04-12 19:48:00

○NSns1.isp2.net2015-08-19 → 2015-08-19 · 4 obs

○ 2008-03-08 11:47:58
● 2015-08-19 09:18:18
○ 2016-04-17 19:58:48
○ 2026-04-12 19:48:00

○NSns2.iecworld.net2008-03-08 → 2008-03-08 · 3 obs

● 2008-03-08 11:47:58
○ 2015-08-19 09:18:18
○ 2026-04-12 19:48:00

●MXmx1.qiye.aliyun.com2026-03-02 → 2026-04-12 · 2 obs

● 2026-03-02 14:52:30
● 2026-04-12 19:48:00

●MXmx2.qiye.aliyun.com2026-03-02 → 2026-04-12 · 2 obs

● 2026-03-02 14:52:30
● 2026-04-12 19:48:00

●MXmx3.qiye.aliyun.com2026-03-02 → 2026-04-12 · 2 obs

● 2026-03-02 14:52:30
● 2026-04-12 19:48:00

○A104.216.243.1792015-08-19 → 2015-08-19 · 3 obs

● 2015-08-19 09:18:18
○ 2017-05-19 09:34:36
○ 2026-04-12 19:48:00

○A156.226.182.2232020-10-30 → 2021-01-06 · 5 obs

○ 2017-05-19 09:34:36
● 2020-10-30 22:58:10
● 2021-01-06 09:52:10
○ 2021-05-23 08:21:08
○ 2026-04-12 19:48:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, m.gtld-servers.net, d.gtld-servers.net, i.gtld-servers.net...	-
nb-xx.com	dns21.hichina.com, dns22.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.38

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for nb-xx.com (unsigned zone)

⏱️ Timing

Total: 644ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns21.hichina.com, dns22.hichina.com`
MX	3	`mx1.qiye.aliyun.com (pri: 5), mx2.qiye.aliyun.com (pri: 10)...`
TXT	1	`v=spf1 include:spf.qiye.aliyun.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 dns21.hichina.com and dns22.hichina.com handle delegation for nb-xx.com.

nb-xx.com uses the same name server setup as other domains, for example mmyb.cn, arcsok.com, mimkey.com, keau.com.cn and yidureading.cn.

nb-xx.com partially shares name servers with other domains; examples include xn--j7q22g69un6ex93b25e65qrsag0e.com, global-devs.com, 0ca.cn, aircloud.cn and fullw.com.

These name servers commonly accompany expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com and ns2.alidns.com.

Host names with nine IP numbers:

dns21.hichina.com points to: 2408:4009:501::29, 39.96.153.40, 39.96.153.60, 47.118.199.200, 47.118.199.220, 120.76.107.40, 120.76.107.60, 139.224.142.100 and 139.224.142.110.

dns22.hichina.com points to: 2408:4009:501::30, 39.96.153.38, 39.96.153.61, 47.118.199.198, 47.118.199.222, 120.76.107.38, 120.76.107.61, 139.224.142.98 and 139.224.142.108.

Mail Servers

nb-xx.com is handled by three mail servers: mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com.

nb-xx.com shares some mail servers with other domains, at least partially, such as szycsy.com, eyabeauty.com, green-nutra.com, amercook.com and gse.com.hk.