21928.com - robtex.com
21928.com
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=1785238437 | ||||||
Same first word
Similar names
DNS History
8 records (3 active, 5 former)
●NSns11.xincache.com2026-07-21 → 2026-07-28 · 3 obs
● 2026-07-21 08:29:40
● 2026-07-28 11:38:30
●NSns15.xincache.com2015-06-06 → 2026-07-28 · 3 obs
● 2015-06-06 21:17:56
● 2026-07-28 11:38:30
●NSns16.xincache.com2015-06-06 → 2026-07-28 · 3 obs
● 2015-06-06 21:17:56
● 2026-07-28 11:38:30
○NSns2.xinnet.cn2008-03-14 → 2008-03-14 · 3 obs
○ 2015-06-06 21:17:56
○ 2026-07-28 11:38:30
○NSns2.xinnetdns.com2008-03-14 → 2008-03-14 · 3 obs
○ 2015-06-06 21:17:56
○ 2026-07-28 11:38:30
○A123.60.106.1332017-03-31 → 2017-03-31 · 4 obs
● 2017-03-31 09:59:46
○ 2020-03-20 08:29:24
○ 2026-07-28 11:38:30
○A58.64.187.1242015-06-06 → 2016-01-14 · 5 obs
● 2015-06-06 21:17:56
● 2016-01-14 00:46:08
○ 2016-04-04 08:51:04
○ 2026-07-28 11:38:30
○A58.64.187.1992016-04-04 → 2016-09-11 · 5 obs
● 2016-04-04 08:51:04
● 2016-09-11 00:47:50
○ 2017-03-31 09:59:46
○ 2026-07-28 11:38:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, d.gtld-servers.net, a.gtld-servers.net, g.gtld-servers.net... | - |
| 21928.com | ns15.xincache.com, ns16.xincache.com | 12 records |
✅ Authoritative Response
Server:1.12.0.4
NS records: ns15.xincache.com, ns16.xincache.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 21928.com (unsigned zone)
⏱️ Timing
Total: 269ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns16.xincache.com, ns15.xincache.com |
| SOA | 1 | ns11.xincache.com ns12.xincache.com |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (ns15.xincache.com, ns15.xincache.com, ns15.xincache.com...)
Analysis
Name Servers
21928.com carries NS records delegating to ns11.xincache.com, ns15.xincache.com and ns16.xincache.com.
21928.com has at least partial name server overlap with other domains, such as yimininfo.cn, giec.cn, wmgrccj.com and two others.
ns12.xincache.com, ns19.xincache.com and ns20.xincache.com — plus 6 other name servers — are commonly paired with these name servers.
Hosts with 8 IP addresses each:
ns11.xincache.com resolves to 1.12.0.4, 36.155.149.180 and 112.80.181.45 among others, with 5 other IP addresses in total.
ns15.xincache.com resolves to 1.12.0.4, 36.155.149.180 and 112.80.181.45 among others, with 5 other IP addresses in total.
Hosts with 7 IP addresses each:
ns16.xincache.com resolves to 1.12.0.1, 36.155.149.176 and 112.80.181.111 among others, with 4 other IP addresses in total.
ns11.xincache.com along with ns15.xincache.com each resolve to 2402:4e00:1470:2::e IP addresses.
ns11.xincache.com along with ns15.xincache.com each resolve to 2402:4e00:1730::e IP addresses.
ns11.xincache.com along with ns15.xincache.com each resolve to 1.12.0.4 IP addresses.
ns11.xincache.com along with ns15.xincache.com each resolve to 36.155.149.180 IP addresses.
ns11.xincache.com along with ns15.xincache.com each resolve to 112.80.181.45 IP addresses.
ns11.xincache.com along with ns15.xincache.com each resolve to 117.89.178.173 IP addresses.
ns11.xincache.com along with ns15.xincache.com each resolve to 125.94.59.210 IP addresses.
ns11.xincache.com along with ns15.xincache.com each resolve to 129.211.176.209 IP addresses.