921c.com - robtex.com
921c.com
| CNAME | 921c.com.a.bdydns.com | ||||||
| CNAME | opencdnkav6.jomodns.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 240e:978:6402::b461:c629🇨🇳 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK240e:978:6400::/40 JS-CT SZ-IDC | ||||||
| A | 180.97.198.41🇨🇳 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK180.97.198.0/23 JS-CT SZ-IDC | ||||||
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=1786939269 | ||||||
Subdomains
Same first word
921c.com |
Similar names
DNS History
17 records (3 active, 14 former)
●NSbalmy.dnspod.net2026-04-17 → 2026-08-17 · 3 obs
○ 2017-02-20 05:24:58
● 2026-04-17 21:00:20
● 2026-08-17 04:02:56
● 2026-04-17 21:00:20
● 2026-08-17 04:02:56
○NSdns10.hichina.com2017-02-20 → 2017-02-20 · 4 obs
○ 2015-09-11 20:21:10
● 2017-02-20 05:24:58
○ 2026-04-17 21:00:20
○ 2026-08-17 04:02:56
● 2017-02-20 05:24:58
○ 2026-04-17 21:00:20
○ 2026-08-17 04:02:56
○NSdns9.hichina.com2017-02-20 → 2017-02-20 · 4 obs
○ 2015-09-11 20:21:10
● 2017-02-20 05:24:58
○ 2026-04-17 21:00:20
○ 2026-08-17 04:02:56
● 2017-02-20 05:24:58
○ 2026-04-17 21:00:20
○ 2026-08-17 04:02:56
○NSns2.xinnet.cn2008-03-09 → 2008-03-09 · 3 obs
● 2008-03-09 04:00:10
○ 2015-09-11 20:15:36
○ 2026-08-17 04:02:56
○ 2015-09-11 20:15:36
○ 2026-08-17 04:02:56
○NSns2.xinnetdns.com2008-03-09 → 2008-03-09 · 3 obs
● 2008-03-09 04:00:10
○ 2015-09-11 20:15:36
○ 2026-08-17 04:02:56
○ 2015-09-11 20:15:36
○ 2026-08-17 04:02:56
●NStrisa.dnspod.net2026-04-17 → 2026-08-17 · 3 obs
○ 2017-02-20 05:24:58
● 2026-04-17 21:00:20
● 2026-08-17 04:02:56
● 2026-04-17 21:00:20
● 2026-08-17 04:02:56
○NSwww.921c.com2015-09-11 → 2015-09-11 · 5 obs
○ 2008-03-09 04:00:10
● 2015-09-11 20:15:36
● 2015-09-11 20:21:10
○ 2017-02-20 05:24:58
○ 2026-08-17 04:02:56
● 2015-09-11 20:15:36
● 2015-09-11 20:21:10
○ 2017-02-20 05:24:58
○ 2026-08-17 04:02:56
○MX1231060280.pamx1.hotmail.com2008-03-09 → 2008-03-09 · 3 obs
● 2008-03-09 04:00:10
○ 2015-09-11 20:15:36
○ 2026-08-17 04:02:56
○ 2015-09-11 20:15:36
○ 2026-08-17 04:02:56
○MXio.bouncemx.com2015-09-11 → 2015-09-11 · 5 obs
○ 2008-03-09 04:00:10
● 2015-09-11 20:15:36
● 2015-09-11 20:21:10
○ 2017-02-20 05:24:58
○ 2026-08-17 04:02:56
● 2015-09-11 20:15:36
● 2015-09-11 20:21:10
○ 2017-02-20 05:24:58
○ 2026-08-17 04:02:56
○A47.89.58.322017-02-20 → 2017-02-20 · 4 obs
○ 2016-03-21 11:08:30
● 2017-02-20 05:24:58
○ 2026-04-17 21:00:20
○ 2026-08-17 04:02:56
● 2017-02-20 05:24:58
○ 2026-04-17 21:00:20
○ 2026-08-17 04:02:56
○A64.62.224.2532015-12-22 → 2015-12-22 · 4 obs
○ 2015-09-11 20:21:10
● 2015-12-22 08:45:12
○ 2016-03-21 11:08:30
○ 2026-08-17 04:02:56
● 2015-12-22 08:45:12
○ 2016-03-21 11:08:30
○ 2026-08-17 04:02:56
○A70.39.84.2372015-09-11 → 2015-09-11 · 4 obs
● 2015-09-11 20:15:36
● 2015-09-11 20:21:10
○ 2015-12-22 08:45:12
○ 2026-08-17 04:02:56
● 2015-09-11 20:21:10
○ 2015-12-22 08:45:12
○ 2026-08-17 04:02:56
○A74.82.63.1362016-03-21 → 2016-03-21 · 4 obs
○ 2015-12-22 08:45:12
● 2016-03-21 11:08:30
○ 2017-02-20 05:24:58
○ 2026-08-17 04:02:56
● 2016-03-21 11:08:30
○ 2017-02-20 05:24:58
○ 2026-08-17 04:02:56
●CNAME921c.com.a.bdydns.com2026-05-23 → 2026-08-17 · 3 obs
○ 2026-04-30 16:47:28
● 2026-05-23 07:04:14
● 2026-08-17 04:02:56
● 2026-05-23 07:04:14
● 2026-08-17 04:02:56
○CNAME921c.com.cdn20.com2026-04-17 → 2026-04-30 · 5 obs
○ 2019-03-22 08:52:52
● 2026-04-17 21:00:20
● 2026-04-30 16:47:28
○ 2026-05-23 07:04:14
○ 2026-08-17 04:02:56
● 2026-04-17 21:00:20
● 2026-04-30 16:47:28
○ 2026-05-23 07:04:14
○ 2026-08-17 04:02:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 921c.com | balmy.dnspod.net, trisa.dnspod.net | - |
✅ Authoritative Response
Server:1.12.0.4
NS records: balmy.dnspod.net, trisa.dnspod.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 921c.com (unsigned zone)
⏱️ Timing
Total: 185ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | trisa.dnspod.net, balmy.dnspod.net |
| CNAME | 1 | 921c.com.a.bdydns.com |
| SOA | 1 | balmy.dnspod.net freednsadmin.dnspod.com |
Analysis
Hierarchy
www.921c.com and msjuan.921c.com are both subdomains of 921c.com.
IP Addresses
921c.com directs to two IP numbers, 180.97.198.41 and 240e:978:6402::b461:c629
ypv6.fmb.aicdn5.com, opencdnzjvodwhav6.jomodns.com, opencdnqiniumsv6.jomodns.com and two other host names share IP numbers with 921c.com.