cdyoudao.com - robtex.com
cdyoudao.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 148.178.103.238🇺🇸 USZNI-AS-AP148.178.103.0/24 | ||||||
| NS | a8.share-dns.com ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a.share-dns.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | b.share-dns.net ⚠️ Not in zone NS records | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | b8.share-dns.net ⚠️ Not in parent delegation | ||||||
| SOA | a.share-dns.commaster@share-dns.com serial=1759039480 | ||||||
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=1777066151 | ||||||
Subdomains
mail.cdyoudao.com |
Same first word
cdyoudao.com |
Similar names
DNS History
15 records (5 active, 10 former)
●NSa.share-dns.com2026-04-24 → 2026-04-24 · 3 obs
● 2026-04-24 21:43:56
● 2026-04-24 21:43:58
●NSa8.share-dns.com2026-04-24 → 2026-04-24 · 3 obs
● 2026-04-24 21:43:56
● 2026-04-24 21:43:58
●NSb.share-dns.net2026-04-24 → 2026-04-24 · 3 obs
● 2026-04-24 21:43:56
● 2026-04-24 21:43:58
●NSb8.share-dns.net2026-04-24 → 2026-04-24 · 3 obs
● 2026-04-24 21:43:56
● 2026-04-24 21:43:58
○NSf1g1ns1.dnspod.net2016-07-10 → 2017-03-17 · 5 obs
● 2016-07-10 16:09:50
● 2017-03-17 01:48:10
○ 2020-01-02 22:01:26
○ 2026-04-24 21:43:58
○NSf1g1ns2.dnspod.net2016-07-10 → 2016-07-10 · 4 obs
● 2016-07-10 16:09:50
○ 2020-01-02 22:01:26
○ 2026-04-24 21:43:58
○NSns1.51dns.com2015-08-09 → 2015-11-28 · 4 obs
● 2015-11-28 05:47:12
○ 2016-07-10 16:09:50
○ 2026-04-24 21:43:58
○NSns1.dnsfang.com2020-01-02 → 2020-01-02 · 4 obs
● 2020-01-02 22:01:26
○ 2026-04-24 21:43:56
○ 2026-04-24 21:43:58
○NSns2.51dns.com2015-08-09 → 2015-11-28 · 4 obs
● 2015-11-28 05:47:12
○ 2016-07-10 16:09:50
○ 2026-04-24 21:43:58
○NSns2.dnsfang.com2020-01-02 → 2020-01-02 · 4 obs
● 2020-01-02 22:01:26
○ 2026-04-24 21:43:56
○ 2026-04-24 21:43:58
○A107.149.163.1552015-08-09 → 2015-11-28 · 4 obs
● 2015-11-28 05:47:12
○ 2016-03-08 08:55:48
○ 2026-04-24 21:43:58
●A148.178.103.2382026-04-24 → 2026-04-24 · 3 obs
● 2026-04-24 21:43:56
● 2026-04-24 21:43:58
○A23.230.13.132020-01-02 → 2020-01-02 · 4 obs
● 2020-01-02 22:01:26
○ 2026-04-24 21:43:56
○ 2026-04-24 21:43:58
○A45.3.59.812016-07-10 → 2017-03-17 · 5 obs
● 2016-07-10 16:09:50
● 2017-03-17 01:48:10
○ 2020-01-02 22:01:26
○ 2026-04-24 21:43:58
○A64.62.171.1482016-03-08 → 2016-03-08 · 4 obs
● 2016-03-08 08:55:48
○ 2016-07-10 16:09:50
○ 2026-04-24 21:43:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, g.gtld-servers.net, j.gtld-servers.net, m.gtld-servers.net... | - |
| cdyoudao.com | b8.share-dns.net, a8.share-dns.com | 1 record |
✅ Authoritative Response
Server:172.64.53.25
NS records: b8.share-dns.net, a8.share-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cdyoudao.com (unsigned zone)
⏱️ Timing
Total: 2355ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 148.178.103.238 |
| NS | 2 | a.share-dns.com, b.share-dns.net |
| SOA | 1 | a.share-dns.com master.share-dns.com |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (a8.share-dns.com)
Analysis
Hierarchy
cdyoudao.com is the parent of mail.cdyoudao.com.
IP Addresses
cdyoudao.com resolves to a single IP: 148.178.103.238.
Other host names, for instance, dianku123.com and nmking.com share IP numbers with cdyoudao.com.
Name Servers
cdyoudao.com is delegated to four name servers: a8.share-dns.com, a.share-dns.com, b8.share-dns.net and b.share-dns.net.
cdyoudao.com shares some name servers with other domains, for example runoon.com, crankymonkeybikeshop.com, haodezhibo.com, airlabdrones.com and 422799.com.
these name servers are often used with a10.share-dns.com, b10.share-dns.net, a5.share-dns.com, b5.share-dns.net, a6.share-dns.com, b6.share-dns.net, ns1.gname-dns.com, ns2.gname-dns.com, a7.share-dns.com and b7.share-dns.net.
Host names with a single IP:
a.share-dns.com points to 172.64.53.25
b.share-dns.net points to 172.64.52.239