hedubook.com - robtex.com
hedubook.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 121.40.54.104🇨🇳 Alibaba-Cloud121.40.0.0/15 | ||||||
| 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 | mx.mail.ym.163.com ⭐ | ||||||
| A | 111.124.200.35🇨🇳 CHINANET-Guizhou-Guian-IDC111.124.192.0/19 | ||||||
| TXT | v=spf1 include:spf.163.com ~all | ||||||
| SOA | dns23.hichina.comhostmaster@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.netnstld@verisign-grs.com serial=1774887567 | ||||||
Subdomains
www.hedubook.com |
Same first word
hedubook.com |
Similar names
DNS History
5 records (4 active, 1 former)
●NSdns23.hichina.com2015-06-16 → 2026-03-30 · 2 obs
● 2026-03-30 16:34:52
●NSdns24.hichina.com2015-06-16 → 2026-03-30 · 2 obs
● 2026-03-30 16:34:52
●MXmx.mail.ym.163.com2015-06-16 → 2026-03-30 · 2 obs
● 2026-03-30 16:34:52
○A112.124.7.672015-06-16 → 2016-04-02 · 4 obs
● 2016-04-02 08:04:56
○ 2016-11-27 20:32:38
○ 2026-03-30 16:34:52
●A121.40.54.1042016-11-27 → 2026-03-30 · 3 obs
● 2016-11-27 20:32:38
● 2026-03-30 16:34:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| hedubook.com | dns23.hichina.com, dns24.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.38
NS records: dns23.hichina.com, dns24.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for hedubook.com (unsigned zone)
⏱️ Timing
Total: 482ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 121.40.54.104 |
| NS | 2 | dns23.hichina.com, dns24.hichina.com |
| MX | 1 | mx.mail.ym.163.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.163.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
Hierarchy
www.hedubook.com is a child of hedubook.com.
IP Addresses
hedubook.com resolves to one IP number: 121.40.54.104.
Other host names, for example www.hedubook.com, share IP numbers with hedubook.com.
Name Servers
hedubook.com's delegation uses two name servers: dns23.hichina.com and dns24.hichina.com.
hedubook.com uses the same name server setup as other domains, such as mccexpo.com, sqgycc.com, mzkxz.com, hquery.com and wscbl.com.
hedubook.com at least partially shares name servers with other domains, including pemsr.com, qpark.cn, pubpubpubpubpubpubpubpubpubpubpubpubpubpubpubpubpubpubpubpubpub.pub, rmbap.com and prankcoin.com.
These name servers are often used with expirens3.hichina.com and expirens4.hichina.com.
Host names with nine IP numbers: The host name dns23.hichina.com points to 2408:4009:501::31, 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. The host name dns24.hichina.com points to 2408:4009:501::32, 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
A single mail server handles hedubook.com, mx.mail.ym.163.com.
hedubook.com shares the same mail server setup as other domains, for instance lyblog.net, dexy.cn, kunki.com.cn, infolex.com.cn and cfxixi.com.
hedubook.com shares some mail servers with other domains, at least in part; for example gobuydental.com and mail.yxbct.com.
Host name mx.mail.ym.163.com resolves to a single IP: 111.124.200.35.