021kt.com - robtex.com
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021kt.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 47.103.117.169🇨🇳 ALIBABA-CN-NET | ||||||
| NS | a.ezdnscenter.com ⭐ | ||||||
| A | 218.98.111.140🇩🇪 HKCICL-AS-AP | ||||||
| NS | b.ezdnscenter.com | ||||||
| A | 183.253.57.210🇨🇳 CHINAMOBILE-CN | ||||||
| A | 211.99.99.58🇨🇳 WYNETWORK | ||||||
| MX | mxbiz1.qq.com ⭐ | ||||||
| A | 203.205.147.218🇭🇰 TENCENT-NET-AP-CN | ||||||
| A | 203.205.232.191🇭🇰 TENCENT-NET-AP-CN | ||||||
| MX | mxbiz2.qq.com(10) | ||||||
| A | 203.205.232.191🇭🇰 TENCENT-NET-AP-CN | ||||||
| TXT | v=spf1 include:spf.mail.qq.com ~all | ||||||
| SOA | a.ezdnscenter.comdnsadmin@ezdnscenter.com serial=1751342709 | ||||||
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=1771291435 | ||||||
Up
www.021kt.com |
Same first word
021kt.com |
Similar names
DNS History
17 records (5 active, 12 former)
●NSa.ezdnscenter.com2026-02-19 → 2026-02-19 · 3 obs
● 2026-02-19 01:09:08
● 2026-02-19 01:09:10
●NSb.ezdnscenter.com2026-02-19 → 2026-02-19 · 3 obs
● 2026-02-19 01:09:08
● 2026-02-19 01:09:10
○NSns1.ezdnscenter.com2020-03-30 → 2020-03-30 · 3 obs
○ 2026-02-19 01:09:08
○ 2026-02-19 01:09:10
○NSns2.ezdnscenter.com2020-03-30 → 2020-03-30 · 3 obs
○ 2026-02-19 01:09:08
○ 2026-02-19 01:09:10
○NSns3.ezdnscenter.com2020-03-30 → 2020-03-30 · 3 obs
○ 2026-02-19 01:09:08
○ 2026-02-19 01:09:10
○NSns4.ezdnscenter.com2020-03-30 → 2020-03-30 · 3 obs
○ 2026-02-19 01:09:08
○ 2026-02-19 01:09:10
○NSns5.ezdnscenter.com2020-03-30 → 2020-03-30 · 3 obs
○ 2026-02-19 01:09:08
○ 2026-02-19 01:09:10
○NSns6.ezdnscenter.com2020-03-30 → 2020-03-30 · 3 obs
○ 2026-02-19 01:09:08
○ 2026-02-19 01:09:10
●MXmxbiz1.qq.com2026-02-19 → 2026-02-19 · 3 obs
● 2026-02-19 01:09:08
● 2026-02-19 01:09:10
●MXmxbiz2.qq.com2026-02-19 → 2026-02-19 · 3 obs
● 2026-02-19 01:09:08
● 2026-02-19 01:09:10
○MXmxn.mxhichina.com2015-08-17 → 2020-03-30 · 4 obs
● 2020-03-30 16:42:42
○ 2026-02-19 01:09:08
○ 2026-02-19 01:09:10
○MXmxw.mxhichina.com2015-08-17 → 2020-03-30 · 4 obs
● 2020-03-30 16:42:42
○ 2026-02-19 01:09:08
○ 2026-02-19 01:09:10
○A112.65.242.1882016-11-25 → 2016-11-25 · 4 obs
● 2016-11-25 16:33:28
○ 2020-03-30 16:42:42
○ 2026-02-19 01:09:10
○A114.80.156.432015-08-17 → 2016-03-20 · 4 obs
● 2016-03-20 21:59:52
○ 2016-07-15 17:52:52
○ 2026-02-19 01:09:10
○A114.80.156.802016-07-15 → 2016-07-15 · 4 obs
● 2016-07-15 17:52:52
○ 2016-11-25 16:33:28
○ 2026-02-19 01:09:10
○A47.101.155.112020-03-30 → 2020-03-30 · 4 obs
● 2020-03-30 16:42:42
○ 2026-02-19 01:09:08
○ 2026-02-19 01:09:10
●A47.103.117.1692026-02-19 → 2026-02-19 · 3 obs
● 2026-02-19 01:09:08
● 2026-02-19 01:09:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 021kt.com | a.ezdnscenter.com, b.ezdnscenter.com | 3 records |
✅ Authoritative Response
Server: 183.253.57.210
NS records: a.ezdnscenter.com, b.ezdnscenter.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 021kt.com (unsigned zone)
⏱️ Timing
Total: 3802ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 47.103.117.169 |
| NS | 2 | a.ezdnscenter.com, b.ezdnscenter.com |
| MX | 2 | mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5) |
| TXT | 1 | v=spf1 include:spf.mail.qq.com ~all |
| SOA | 1 | a.ezdnscenter.com dnsadmin.ezdnscenter.c |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (a.ezdnscenter.com, b.ezdnscenter.com, b.ezdnscenter.com)
AI analysis
021kt.com is the parent of www.021kt.com.
021kt.com points to a single IP number: 47.103.117.169.
Other host names, for instance www.021kt.com, share IP numbers with 021kt.com.
021kt.com is delegated to two name servers: a.ezdnscenter.com and b.ezdnscenter.com.
021kt.com shares the same name server setup as other domains, for example kanionjd.com, yxdu.cn, zkhengyang.com, 9882345.com and e-stoneworld.com.
021kt.com at least partially shares its name servers with other domains, for instance ste-equ.com.
Host names with two IP numbers: b.ezdnscenter.com points to 183.253.57.210 and 211.99.99.58.
Host names with one IP number: a.ezdnscenter.com points to 218.98.111.140.
021kt.com is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.
021kt.com shares the same mail server setup as other domains, for instance pattrans.com, playhudong.com, 322workhouse.com, idcwc.com and cxpcchina.com.
021kt.com shares mail servers with other domains at least partially, including ricsson-cn.com, zsit.cc, luodian.com, wapgoo.com and yskj19.com.
Host names with two IP numbers:
mxbiz1.qq.com points to 203.205.147.218 and 203.205.232.191.
Host names with one IP number:
mxbiz2.qq.com points to 203.205.232.191.
Names pointing to 203.205.232.191: mxbiz1.qq.com and mxbiz2.qq.com.