`opennb.com`

DNSSEC	⚠️ Not signed
A	121.37.15.96^{🇨🇳 HWCSNET121.37.0.0/19 Huawei Clouds Guangzhou Region}
		PTR	`ecs-121-37-15-96.compute.hwclouds-dns.com`
NS	`ns1.huaweicloud-dns.org` ⭐ ⚠️ Not in parent delegation
		A	2407:c080:20:ffff:ffff:fffe:0:1^{🇨🇳 HWCSNET2407:c080::/37 HUAWEI CLOUD}
		A	159.138.17.187^{🇭🇰 HWCSNET159.138.16.0/22 Huawei-HK-CLOUDS}
			PTR	`ecs-159-138-17-187.compute.hwclouds-dns.com`
		A	159.138.112.111^{🇨🇱 HWCSNET159.138.112.0/21 HUAWEI INTERNATIONAL PTE. LTD. 15A Changi Business Park Central 1 Eightrium 03-03/04}
			PTR	`ecs-159-138-112-111.compute.hwclouds-dns.com`
		A	159.138.160.107^{🇿🇦 HWCSNET159.138.160.0/20 HUAWEI INTERNATIONAL PTE. LTD. 15A Changi Business Park Central 1 Eightrium 03-03/04}
			PTR	`ecs-159-138-160-107.compute.hwclouds-dns.com`
		A	159.138.208.3^{🇧🇷 HWCSNET159.138.208.0/21 HUAWEI INTERNATIONAL PTE. LTD. 15A Changi Business Park Central 1 Eightrium 03-03/04}
			PTR	`ecs-159-138-208-3.compute.hwclouds-dns.com`
		A	190.92.196.2^{🇸🇬 HWCSNET190.92.192.0/19 HUAWEI INTERNATIONAL PTE. LTD. 15A Changi Business Park Central 1 Eightrium 03-03/04}
			PTR	`ecs-190-92-196-2.compute.hwclouds-dns.com`
NS	`ns1.huaweicloud-dns.cn`
		A	2407:c080:20:ffff:ffff:fffe:0:1^{🇨🇳 HWCSNET2407:c080::/37 HUAWEI CLOUD}
		A	113.45.105.30^{🇨🇳 HWCSNET113.45.104.0/21 HUAWEI INTERNATIONAL PTE. LTD.}
			PTR	`ecs-113-45-105-30.compute.hwclouds-dns.com`
		A	114.115.192.11^{🇨🇳 CHINA169-BJ114.115.192.0/19 Huawei Clouds Beijing Region}
			PTR	`ecs-114-115-192-11.compute.hwclouds-dns.com`
		A	116.205.5.32^{🇨🇳 HWCSNET116.205.5.0/24}
			PTR	`ecs-116-205-5-32.compute.hwclouds-dns.com`
		A	116.205.223.129^{🇨🇳 HWCSNET116.205.223.0/24}
			PTR	`ecs-116-205-223-129.compute.hwclouds-dns.com`
		A	122.112.208.254^{🇨🇳 HWCSNET122.112.208.0/20 Huawei Technologies Co., Ltd}
			PTR	`ecs-122-112-208-254.compute.hwclouds-dns.com`
		A	139.9.224.17^{🇨🇳 CHINATELECOM-Ctcloud139.9.224.0/20 guizhou}
			PTR	`ecs-139-9-224-17.compute.hwclouds-dns.com`
NS	`ns1.huaweicloud-dns.com`
		A	2407:c080:20:ffff:ffff:fffe:0:1^{🇨🇳 HWCSNET2407:c080::/37 HUAWEI CLOUD}
		A	114.115.192.11^{🇨🇳 CHINA169-BJ114.115.192.0/19 Huawei Clouds Beijing Region}
			PTR	`ecs-114-115-192-11.compute.hwclouds-dns.com`
		A	116.205.5.31^{🇨🇳 HWCSNET116.205.5.0/24}
			PTR	`ecs-116-205-5-31.compute.hwclouds-dns.com`
		A	116.205.223.128^{🇨🇳 HWCSNET116.205.223.0/24}
			PTR	`ecs-116-205-223-128.compute.hwclouds-dns.com`
		A	122.112.208.253^{🇨🇳 HWCSNET122.112.208.0/20 Huawei Technologies Co., Ltd}
			PTR	`ecs-122-112-208-253.compute.hwclouds-dns.com`
		A	139.9.224.17^{🇨🇳 CHINATELECOM-Ctcloud139.9.224.0/20 guizhou}
			PTR	`ecs-139-9-224-17.compute.hwclouds-dns.com`
NS	`ns1.huaweicloud-dns.net` ⚠️ Not in parent delegation
		A	2407:c080:20:ffff:ffff:fffe:0:1^{🇨🇳 HWCSNET2407:c080::/37 HUAWEI CLOUD}
		A	159.138.17.112^{🇭🇰 HWCSNET159.138.16.0/22 Huawei-HK-CLOUDS}
			PTR	`ecs-159-138-17-112.compute.hwclouds-dns.com`
		A	159.138.112.111^{🇨🇱 HWCSNET159.138.112.0/21 HUAWEI INTERNATIONAL PTE. LTD. 15A Changi Business Park Central 1 Eightrium 03-03/04}
			PTR	`ecs-159-138-112-111.compute.hwclouds-dns.com`
		A	159.138.160.107^{🇿🇦 HWCSNET159.138.160.0/20 HUAWEI INTERNATIONAL PTE. LTD. 15A Changi Business Park Central 1 Eightrium 03-03/04}
			PTR	`ecs-159-138-160-107.compute.hwclouds-dns.com`
		A	159.138.208.3^{🇧🇷 HWCSNET159.138.208.0/21 HUAWEI INTERNATIONAL PTE. LTD. 15A Changi Business Park Central 1 Eightrium 03-03/04}
			PTR	`ecs-159-138-208-3.compute.hwclouds-dns.com`
		A	190.92.196.2^{🇸🇬 HWCSNET190.92.192.0/19 HUAWEI INTERNATIONAL PTE. LTD. 15A Changi Business Park Central 1 Eightrium 03-03/04}
			PTR	`ecs-190-92-196-2.compute.hwclouds-dns.com`
MX	`mxbiz1.qq.com` ⭐
MX	`mxbiz2.qq.com`⁽¹⁰⁾
TXT	`v=spf1 include:spf.mail.qq.com ~all`
SOA	`ns1.huaweicloud-dns.org`hwclouds\@cs.huawei.com serial=1

`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=1777152746

Same first word

opennb.com

Similar names

bnopen.com

nbopen.net

bonpen.com

bpneon.ru

nbopen.com

bnepon.xyz

neopbn.com

DNS History

13 records (7 active, 6 former)

○NSdns1.registrar-servers.com2017-10-17 → 2017-10-17 · 4 obs

○ 2015-10-28 13:25:12
● 2017-10-17 19:36:36
○ 2026-03-25 23:37:36
○ 2026-04-25 21:42:54

○NSdns2.registrar-servers.com2017-10-17 → 2017-10-17 · 4 obs

○ 2015-10-28 13:25:12
● 2017-10-17 19:36:36
○ 2026-03-25 23:37:36
○ 2026-04-25 21:42:54

●NSns1.huaweicloud-dns.cn2026-03-25 → 2026-04-25 · 3 obs

○ 2017-10-17 19:36:36
● 2026-03-25 23:37:36
● 2026-04-25 21:42:54

●NSns1.huaweicloud-dns.com2026-03-25 → 2026-04-25 · 3 obs

○ 2017-10-17 19:36:36
● 2026-03-25 23:37:36
● 2026-04-25 21:42:54

●NSns1.huaweicloud-dns.net2026-03-25 → 2026-04-25 · 3 obs

○ 2017-10-17 19:36:36
● 2026-03-25 23:37:36
● 2026-04-25 21:42:54

●NSns1.huaweicloud-dns.org2026-03-25 → 2026-04-25 · 3 obs

○ 2017-10-17 19:36:36
● 2026-03-25 23:37:36
● 2026-04-25 21:42:54

○NSns1.ksdom-expire.kr2015-07-24 → 2015-07-24 · 3 obs

● 2015-07-24 21:44:02
○ 2015-10-28 13:25:12
○ 2026-04-25 21:42:54

●MXmxbiz1.qq.com2026-03-25 → 2026-04-25 · 2 obs

● 2026-03-25 23:37:36
● 2026-04-25 21:42:54

●MXmxbiz2.qq.com2026-03-25 → 2026-04-25 · 2 obs

● 2026-03-25 23:37:36
● 2026-04-25 21:42:54

○A114.203.85.2322015-07-24 → 2015-07-24 · 3 obs

● 2015-07-24 21:44:02
○ 2017-10-17 19:36:36
○ 2026-04-25 21:42:54

●A121.37.15.962026-03-25 → 2026-04-25 · 3 obs

○ 2017-10-17 19:36:36
● 2026-03-25 23:37:36
● 2026-04-25 21:42:54

○CNAMEfrontseat-v2.herokuapp.com2017-10-17 → 2017-10-17 · 4 obs

○ 2015-10-28 13:25:12
● 2017-10-17 19:36:36
○ 2026-03-25 23:37:36
○ 2026-04-25 21:42:54

○CNAMEwww.ksdom-expire.kr2015-07-24 → 2015-07-24 · 3 obs

● 2015-07-24 21:44:02
○ 2015-10-28 13:25:12
○ 2026-04-25 21:42:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net, j.gtld-servers.net...	-
opennb.com	ns1.huaweicloud-dns.com, ns1.huaweicloud-dns.cn	5 records

✅ Authoritative Response

Server:139.9.224.17

NS records: ns1.huaweicloud-dns.com, ns1.huaweicloud-dns.cn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opennb.com (unsigned zone)

⏱️ Timing

Total: 1206ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`121.37.15.96`
NS	4	`ns1.huaweicloud-dns.org, ns1.huaweicloud-dns.cn...`
MX	2	`mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10)`
TXT	1	`v=spf1 include:spf.mail.qq.com ~all`
SOA	1	`ns1.huaweicloud-dns.org hwclouds\.cs.hua`

📌 Glue Records Collected

Total: 5

Out-of-bailiwick: 5 (ns1.huaweicloud-dns.com, ns1.huaweicloud-dns.com, ns1.huaweicloud-dns.com...)

Analysis

IP Addresses

opennb.com points to a single IP: 121.37.15.96.

Name Servers

opennb.com is delegated to four name servers: ns1.huaweicloud-dns.cn, ns1.huaweicloud-dns.com, ns1.huaweicloud-dns.net and ns1.huaweicloud-dns.org.

opennb.com at least partially shares its name servers with other domains, for instance yudan.cn, pcjn.net, shusfu.com, lifin.cn and megashopz.com.