nbdoc.com - dns.ninja
nbdoc.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns23.hichina.com ⭐ | ||||||
| A | 2408:4009:501::31🇨🇳 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 | dns24.hichina.com | ||||||
| A | 2408:4009:501::32🇨🇳 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 | mxn.mxhichina.com ⭐ | ||||||
| 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 | ||||||
| MX | mxw.mxhichina.com(10) | ||||||
| A | 47.246.99.195🇺🇸 Alibaba-Cloud47.246.96.0/22 Proxy-registered route object | ||||||
| PTR | reachsmartdwell.com | ||||||
| TXT | v=spf1 include:spf.mxhichina.com -all | ||||||
| SOA | dns23.hichina.comhostmaster@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.netnstld@verisign-grs.com serial=1781490100 | ||||||
Same first word
Similar names
DNS History
12 records (4 active, 8 former)
○NSdns1.ttlc.net2015-07-05 → 2015-07-05 · 3 obs
○ 2015-11-13 06:45:30
○ 2026-06-15 02:41:24
●NSdns23.hichina.com2026-03-29 → 2026-06-15 · 3 obs
● 2026-03-29 16:51:06
● 2026-06-15 02:41:24
●NSdns24.hichina.com2026-03-29 → 2026-06-15 · 3 obs
● 2026-03-29 16:51:06
● 2026-06-15 02:41:24
○NSdns3.ttlc.net2015-07-05 → 2015-07-05 · 3 obs
○ 2015-11-13 06:45:30
○ 2026-06-15 02:41:24
○NSns1.p29.dynect.net2015-11-13 → 2016-12-01 · 5 obs
● 2015-11-13 06:45:30
● 2016-12-01 08:50:26
○ 2026-03-29 16:51:06
○ 2026-06-15 02:41:24
○NSns2.p29.dynect.net2015-11-13 → 2016-12-01 · 5 obs
● 2015-11-13 06:45:30
● 2016-12-01 08:50:26
○ 2026-03-29 16:51:06
○ 2026-06-15 02:41:24
○NSns3.p29.dynect.net2015-11-13 → 2016-12-01 · 5 obs
● 2015-11-13 06:45:30
● 2016-12-01 08:50:26
○ 2026-03-29 16:51:06
○ 2026-06-15 02:41:24
○NSns4.p29.dynect.net2015-11-13 → 2016-12-01 · 5 obs
● 2015-11-13 06:45:30
● 2016-12-01 08:50:26
○ 2026-03-29 16:51:06
○ 2026-06-15 02:41:24
●MXmxn.mxhichina.com2026-03-29 → 2026-06-15 · 2 obs
● 2026-06-15 02:41:24
●MXmxw.mxhichina.com2026-03-29 → 2026-06-15 · 2 obs
● 2026-06-15 02:41:24
○A216.146.46.102015-11-13 → 2016-12-01 · 4 obs
● 2016-12-01 08:50:26
○ 2026-03-29 16:51:06
○ 2026-06-15 02:41:24
○A216.146.46.112015-11-13 → 2016-12-01 · 4 obs
● 2016-12-01 08:50:26
○ 2026-03-29 16:51:06
○ 2026-06-15 02:41:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| nbdoc.com | dns23.hichina.com, dns24.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.40
NS records: dns23.hichina.com, dns24.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for nbdoc.com (unsigned zone)
⏱️ Timing
Total: 972ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns24.hichina.com, dns23.hichina.com |
| MX | 2 | mxn.mxhichina.com (pri: 5), mxw.mxhichina.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.mxhichina.com -all |
| SOA | 1 | dns23.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns23.hichina.com, dns23.hichina.com, dns23.hichina.com...)
Analysis
Name Servers
nbdoc.com has two authoritative name servers — dns23.hichina.com and dns24.hichina.com.
nbdoc.com shares its NS records with other domains, for example elitebaz.com, ling(0x73686974)ech.com, rebonelectric.com and two others.
nbdoc.com has name servers in common with a number of other domains — burberrysoldes2014.com, chuoteng.com, marly.cn and wsato.com among them.
These name servers tend to appear in combination with the name servers ns1.alidns.com, ns2.alidns.com, expirens3.hichina.com and expirens4.hichina.com.
DNS names with 9 IP addresses:
dns23.hichina.com points to 39.96.153.40, 39.96.153.60, 47.118.199.200 and 6 other IP addresses.
dns24.hichina.com points to 39.96.153.38, 39.96.153.61, 47.118.199.198 and 6 other IP addresses.
Mail Servers
nbdoc.com is served by two mail servers, mxn.mxhichina.com and mxw.mxhichina.com.
Among the domains sharing a mail server setup with nbdoc.com are cyit.ltd, hwtest.cn, gddgzt.com and two others.
nbdoc.com and a number of other domains — homorrow.com, ycgh.com, wefengyang.com and guzhichan.com among them — share at least some of the same mail servers.
Host names that have two IP addresses:
mxn.mxhichina.com resolves to 47.246.136.231 and 47.246.137.47.
Host names that point to one IP address:
mxw.mxhichina.com resolves to 47.246.99.195.