51dn.com - dns.ninja
51dn.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 43.128.7.87🇭🇰 TENCENT-NET-AP-CN43.128.0.0/18 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES | ||||||
| NS | ns1.98mi.com ⭐ | ||||||
| A | 43.128.7.87🇭🇰 TENCENT-NET-AP-CN43.128.0.0/18 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES | ||||||
| NS | ns2.98mi.com | ||||||
| A | 43.128.7.87🇭🇰 TENCENT-NET-AP-CN43.128.0.0/18 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES | ||||||
| TXT | 3d885cb7-aed6-4637-ab28-853b1d01f3d8 | ||||||
| TXT | afternic-verification-VWReGYxeCkmawy7DXDkZF9 | ||||||
| TXT | 4438fc0fba7b31c89621503b9e1cb729051a1ed6 | ||||||
| TXT | 4.cn-verify-336555 | ||||||
| SOA | ns1.98mi.comadmin@98mi.com serial=743778827 | ||||||
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=1784884552 | ||||||
Subdomains
mx.51dn.com |
Same first word
Similar names
dn51.net |
d15n.com |
n5d1.akamaiedge.net |
dn51.cn |
nd15.com |
d15n.de |
15dn.com |
d51n.com |
nd51.com |
1n5d.com |
51nd.com |
dn51.com |
dn15.net |
DNS History
9 records (3 active, 6 former)
○NS(root)2015-08-17 → 2017-11-13 · 4 obs
● 2017-11-13 09:53:24
○ 2026-02-21 09:39:34
○ 2026-07-24 09:39:48
○NSdns27.hichina.com2026-02-21 → 2026-04-08 · 5 obs
● 2026-02-21 09:39:34
● 2026-04-08 22:24:50
○ 2026-06-30 20:50:54
○ 2026-07-24 09:39:48
○NSdns28.hichina.com2026-02-21 → 2026-04-08 · 5 obs
● 2026-02-21 09:39:34
● 2026-04-08 22:24:50
○ 2026-06-30 20:50:54
○ 2026-07-24 09:39:48
●NSns1.98mi.com2026-06-30 → 2026-07-24 · 3 obs
● 2026-06-30 20:50:54
● 2026-07-24 09:39:48
●NSns2.98mi.com2026-06-30 → 2026-07-24 · 3 obs
● 2026-06-30 20:50:54
● 2026-07-24 09:39:48
○MXmxbiz1.qq.com2015-08-17 → 2017-11-13 · 4 obs
● 2017-11-13 09:53:24
○ 2026-02-21 09:39:34
○ 2026-07-24 09:39:48
○MXmxbiz2.qq.com2015-08-17 → 2017-11-13 · 4 obs
● 2017-11-13 09:53:24
○ 2026-02-21 09:39:34
○ 2026-07-24 09:39:48
●A43.128.7.872026-06-30 → 2026-07-24 · 2 obs
● 2026-07-24 09:39:48
○CNAMEoverdue.aliyun.com2026-02-21 → 2026-04-08 · 4 obs
● 2026-04-08 22:24:50
○ 2026-06-30 20:50:54
○ 2026-07-24 09:39:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 51dn.com | ns1.98mi.com, ns2.98mi.com | 2 records |
✅ Authoritative Response
Server:43.128.7.87
NS records: ns1.98mi.com, ns2.98mi.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 51dn.com (unsigned zone)
⏱️ Timing
Total: 489ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 43.128.7.87, 43.128.7.87 |
| NS | 2 | ns1.98mi.com, ns2.98mi.com |
| TXT | 4 | 3d885cb7-aed6-4637-ab28-853b1d01f3d8, afternic-verification-VWReGYxeCkmawy7DXD... |
| SOA | 1 | ns1.98mi.com admin.98mi.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.98mi.com, ns2.98mi.com)
Analysis
Hierarchy
51dn.com serves as the parent of mx.51dn.com.
IP Addresses
51dn.com directs to one IP number, which is 43.128.7.87.
Among the host names that share IP numbers with 51dn.com are python.xyz, ne100.com, hzcloud.cn and two others.
Name Servers
51dn.com has two authoritative name servers — ns1.98mi.com and ns2.98mi.com.
51dn.com has the same name server delegation as a number of other domains, such as rb100.com, kvd.com.cn, hellopay.net and two more.
The name servers for 51dn.com overlap at least partially with those of other domains — for example dao100.com.
ns1.98mi.com and ns2.98mi.com each point to one IP address — 43.128.7.87.
The host names ns1.98mi.com and ns2.98mi.com both resolve to 43.128.7.87 IP addresses.