dtsum.com - robtex.com
dtsum.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 121.196.12.230🇨🇳 Alibaba-Cloud121.196.0.0/16 | ||||||
| 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 | mxbiz1.qq.com ⭐ | ||||||
| MX | mxbiz2.qq.com(10) | ||||||
| SOA | dns21.hichina.comhostmaster@hichina.com 2026-05-28 #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=1785187442 | ||||||
Same first word
dtsum.com |
Similar names
umtsd.com |
studm.com |
mdust.com |
umtsd.org |
mudts.com |
umsdt.com |
usdtm.com |
dumts.com |
dmtsu.com |
mtusd.mom |
utdsm.org |
mdust.net |
mtsdu.com |
dtums.com |
udstm.com |
mstud.com |
musdt.xyz |
mstud.org |
mstud.com.my |
DNS History
5 records (5 active, 0 former)
●NSdns21.hichina.com2026-06-24 → 2026-07-27 · 2 obs
● 2026-07-27 21:54:32
●NSdns22.hichina.com2026-06-24 → 2026-07-27 · 2 obs
● 2026-07-27 21:54:32
●A121.196.12.2302026-06-24 → 2026-07-27 · 2 obs
● 2026-07-27 21:54:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| dtsum.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 dtsum.com (unsigned zone)
⏱️ Timing
Total: 541ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 121.196.12.230 |
| NS | 2 | dns21.hichina.com, dns22.hichina.com |
| MX | 2 | mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5) |
| 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
IP Addresses
dtsum.com has exactly one IP address — 121.196.12.230.
Name Servers
dtsum.com is delegated to two name servers: dns21.hichina.com and dns22.hichina.com.
The name server configuration of dtsum.com is shared with other domains, for instance tracel.com, edubao.net, iyaoho.net and two others.
There is at least partial name server overlap between dtsum.com and other domains — zvesvsdbfvb.baby, archway.cn, 09aw.com and two more among them.
These name servers tend to appear in combination with the name servers expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com and ns2.alidns.com.
Hosts with 9 IP addresses each:
dns21.hichina.com resolves to 39.96.153.40, 39.96.153.60, 47.118.199.200 and 6 other IP addresses.
dns22.hichina.com resolves to 39.96.153.38, 39.96.153.61, 47.118.199.198 and 6 other IP addresses.
Mail Servers
dtsum.com uses two mail servers, mxbiz1.qq.com and mxbiz2.qq.com.
The mail server setup of dtsum.com matches that of other domains such as mapbybelle.com, ba-inv.com, sn35.com and two others.
dtsum.com and a number of other domains — presma.com, gs.cm.cm, cusabio.cn and storebkc.com among them — share at least some of the same mail servers.