smartdef.com - robtex.com
smartdef.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 43.135.137.172🇺🇸 TENCENT-NET-AP-CN43.135.128.0/18 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES | ||||||
| A | 198.11.175.235🇺🇸 Alibaba-Cloud198.11.128.0/18 Alibaba.com Inc. 3945 Freedom Circle Suite 600 Santa Clara, CA95054 US | ||||||
| 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 | hsmx23.cn4e.com ⭐ | ||||||
| MX | smx23.cn4e.com(10) | ||||||
| TXT | v=spf1 include:spf.cn4e.com -all | ||||||
| SOA | dns21.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=1784728397 | ||||||
Previously MX for
smartdef.com |
Same first word
smartdef.com |
Similar names
DNS History
14 records (6 active, 8 former)
●NSdns21.hichina.com2026-02-15 → 2026-07-22 · 3 obs
● 2026-02-15 10:47:36
● 2026-07-22 13:54:58
●NSdns22.hichina.com2026-02-15 → 2026-07-22 · 3 obs
● 2026-02-15 10:47:36
● 2026-07-22 13:54:58
○NSf1g1ns1.dnspod.net2020-03-13 → 2020-03-13 · 4 obs
● 2020-03-13 11:17:42
○ 2026-02-15 10:47:36
○ 2026-07-22 13:54:58
○NSf1g1ns2.dnspod.net2020-03-13 → 2020-03-13 · 4 obs
● 2020-03-13 11:17:42
○ 2026-02-15 10:47:36
○ 2026-07-22 13:54:58
○NSns1.dnchosting.com2015-08-12 → 2017-04-06 · 4 obs
● 2017-04-06 07:57:38
○ 2020-03-13 11:17:42
○ 2026-07-22 13:54:58
○NSns2.dnchosting.com2015-08-12 → 2017-04-06 · 4 obs
● 2017-04-06 07:57:38
○ 2020-03-13 11:17:42
○ 2026-07-22 13:54:58
○NSns27.dnchosting.com2015-08-12 → 2017-04-06 · 4 obs
● 2017-04-06 07:57:38
○ 2020-03-13 11:17:42
○ 2026-07-22 13:54:58
●MXhsmx23.cn4e.com2020-03-13 → 2026-07-22 · 3 obs
● 2020-03-13 11:17:42
● 2026-07-22 13:54:58
○MXsmartdef.com2015-08-12 → 2017-04-06 · 4 obs
● 2017-04-06 07:57:38
○ 2020-03-13 11:17:42
○ 2026-07-22 13:54:58
●MXsmx23.cn4e.com2020-03-13 → 2026-07-22 · 3 obs
● 2020-03-13 11:17:42
● 2026-07-22 13:54:58
○A13.64.242.832020-03-13 → 2020-03-13 · 4 obs
● 2020-03-13 11:17:42
○ 2026-02-15 10:47:36
○ 2026-07-22 13:54:58
●A198.11.175.2352026-02-15 → 2026-07-22 · 3 obs
● 2026-02-15 10:47:36
● 2026-07-22 13:54:58
○A199.7.108.802015-08-12 → 2017-04-06 · 4 obs
● 2017-04-06 07:57:38
○ 2020-03-13 11:17:42
○ 2026-07-22 13:54:58
●A43.135.137.1722026-02-15 → 2026-07-22 · 3 obs
● 2026-02-15 10:47:36
● 2026-07-22 13:54:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| smartdef.com | dns21.hichina.com, dns22.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.40
NS records: dns21.hichina.com, dns22.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for smartdef.com (unsigned zone)
⏱️ Timing
Total: 520ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 198.11.175.235, 43.135.137.172 |
| NS | 2 | dns21.hichina.com, dns22.hichina.com |
| MX | 2 | smx23.cn4e.com (pri: 10), hsmx23.cn4e.com (pri: 5) |
| TXT | 1 | v=spf1 include:spf.cn4e.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
IP Addresses
smartdef.com directs to two IP numbers, 43.135.137.172 and 198.11.175.235
Additional host names — huayisport.com, sfgsmt.com, pet-film.com and two others — share IP numbers with smartdef.com.
Name Servers
DNS delegation for smartdef.com points to two name servers: dns21.hichina.com and dns22.hichina.com.
smartdef.com shares its name server setup with other domains, including szlysk.com, angelbearings.com, duolexm.com and two others.
smartdef.com partially shares its NS delegation with several other domains, including 5point.cn, yzzcjs.com, agricultural.cn and two others.
These name servers are regularly seen alongside expirens3.hichina.com and expirens4.hichina.com as name servers.
Host names with 9 IP numbers:
dns21.hichina.com has IP addresses 39.96.153.40, 39.96.153.60 and 47.118.199.200, plus 6 other.
dns22.hichina.com has IP addresses 39.96.153.38, 39.96.153.61 and 47.118.199.198, plus 6 other.
Mail Servers
smartdef.com has two mail servers: hsmx23.cn4e.com and smx23.cn4e.com.
smartdef.com shares the same mail server setup as other domains, including gemt.cn, zjshangbao.com, chinainkcan.com and two others.
smartdef.com shares mail servers — at least in part — with other domains, including jcwgo.com, pelkomotors.com, taosu.com and two others.
These mail servers are frequently seen alongside the mail servers mx241.cn4e.com.