21shu.com - robtex.com
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21shu.com
| CNAME | 72d73928.ceracdn.net | ||||||
| CNAME | cluster8342012b.ceracdn.net | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 154.84.62.38🇺🇸 AS400619 | ||||||
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=1770918430 | ||||||
Same first word
21shu.com |
Similar names
DNS History
15 records (7 active, 8 former)
●NSa.share-dns.com2026-02-14 → 2026-02-14 · 3 obs
○ 2017-04-01 05:41:10
● 2026-02-14 21:18:36
● 2026-02-14 21:18:38
● 2026-02-14 21:18:36
● 2026-02-14 21:18:38
●NSa5.share-dns.com2026-02-14 → 2026-02-14 · 3 obs
○ 2017-04-01 05:41:10
● 2026-02-14 21:18:36
● 2026-02-14 21:18:38
● 2026-02-14 21:18:36
● 2026-02-14 21:18:38
●NSb.share-dns.net2026-02-14 → 2026-02-14 · 3 obs
○ 2017-04-01 05:41:10
● 2026-02-14 21:18:36
● 2026-02-14 21:18:38
● 2026-02-14 21:18:36
● 2026-02-14 21:18:38
●NSb5.share-dns.net2026-02-14 → 2026-02-14 · 3 obs
○ 2017-04-01 05:41:10
● 2026-02-14 21:18:36
● 2026-02-14 21:18:38
● 2026-02-14 21:18:36
● 2026-02-14 21:18:38
○NSwww.21shu.com2017-04-01 → 2017-04-01 · 4 obs
○ 2016-08-07 19:43:02
● 2017-04-01 05:41:10
○ 2026-02-14 21:18:36
○ 2026-02-14 21:18:38
● 2017-04-01 05:41:10
○ 2026-02-14 21:18:36
○ 2026-02-14 21:18:38
○NSwww.gaizhuangbao.com2016-08-07 → 2016-08-07 · 3 obs
● 2016-08-07 19:43:02
○ 2017-04-01 05:41:10
○ 2026-02-14 21:18:38
○ 2017-04-01 05:41:10
○ 2026-02-14 21:18:38
●MXio.bouncemx.com2017-04-01 → 2026-02-14 · 3 obs
○ 2016-08-07 19:43:02
● 2017-04-01 05:41:10
● 2026-02-14 21:18:38
● 2017-04-01 05:41:10
● 2026-02-14 21:18:38
○MXmail.skrimple.com2015-09-23 → 2016-04-28 · 4 obs
● 2015-09-23 08:24:28
● 2016-04-28 09:49:22
○ 2016-08-07 19:43:02
○ 2026-02-14 21:18:38
● 2016-04-28 09:49:22
○ 2016-08-07 19:43:02
○ 2026-02-14 21:18:38
●A104.160.171.842017-04-01 → 2026-02-14 · 3 obs
○ 2016-08-07 19:43:02
● 2017-04-01 05:41:10
● 2026-02-14 21:18:38
● 2017-04-01 05:41:10
● 2026-02-14 21:18:38
○A162.218.54.422015-09-23 → 2015-09-23 · 3 obs
● 2015-09-23 08:24:28
○ 2015-11-22 14:38:48
○ 2026-02-14 21:18:38
○ 2015-11-22 14:38:48
○ 2026-02-14 21:18:38
○A198.12.15.2442015-09-23 → 2015-09-23 · 3 obs
● 2015-09-23 08:24:28
○ 2015-11-22 14:38:48
○ 2026-02-14 21:18:38
○ 2015-11-22 14:38:48
○ 2026-02-14 21:18:38
○A65.19.157.2342016-04-28 → 2016-04-28 · 4 obs
○ 2016-03-04 23:46:32
● 2016-04-28 09:49:22
○ 2016-08-07 19:43:02
○ 2026-02-14 21:18:38
● 2016-04-28 09:49:22
○ 2016-08-07 19:43:02
○ 2026-02-14 21:18:38
○A65.19.157.2352015-11-22 → 2016-03-04 · 5 obs
○ 2015-09-23 08:24:28
● 2015-11-22 14:38:48
● 2016-03-04 23:46:32
○ 2016-04-28 09:49:22
○ 2026-02-14 21:18:38
● 2015-11-22 14:38:48
● 2016-03-04 23:46:32
○ 2016-04-28 09:49:22
○ 2026-02-14 21:18:38
●CNAME72d73928.ceracdn.net2026-02-14 → 2026-02-14 · 3 obs
○ 2017-04-01 05:41:10
● 2026-02-14 21:18:36
● 2026-02-14 21:18:38
● 2026-02-14 21:18:36
● 2026-02-14 21:18:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| 21shu.com | b5.share-dns.net, a5.share-dns.com | - |
✅ Authoritative Response
Server: 172.64.53.25
NS records: b5.share-dns.net, a5.share-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 21shu.com (unsigned zone)
⏱️ Timing
Total: 36ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | a.share-dns.com, b.share-dns.net |
| CNAME | 1 | 72d73928.ceracdn.net |
| SOA | 1 | a.share-dns.com master.share-dns.com |
AI analysis
21shu.com points to a single IP number: 154.84.62.38.
Other host names, for instance cluster8342012b.ceracdn.net, share IP numbers with 21shu.com.