firstday.cn - dns.ninja
firstday.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.17ex.com ⚠️ Not in zone NS records | ||||||
| A | 218.98.111.191🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | ns2.17ex.com ⚠️ Not in zone NS records | ||||||
| A | 183.253.57.205🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route) | ||||||
| A | 211.99.99.35🇨🇳 DONGGUAN-1211.99.99.0/24 | ||||||
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2035179413 | ||||||
Same first word
DNS History
11 records (2 active, 9 former)
●NSns1.17ex.com2026-02-21 → 2026-08-14 · 3 obs
○ 2016-11-30 04:07:52
● 2026-02-21 11:18:44
● 2026-08-14 09:33:52
● 2026-02-21 11:18:44
● 2026-08-14 09:33:52
○NSns1.myhostadmin.net2015-10-19 → 2015-10-19 · 4 obs
○ 2015-05-29 06:33:16
● 2015-10-19 01:54:06
○ 2016-11-30 04:07:52
○ 2026-08-14 09:33:52
● 2015-10-19 01:54:06
○ 2016-11-30 04:07:52
○ 2026-08-14 09:33:52
○NSns11.xincache.com2015-05-29 → 2015-05-29 · 3 obs
● 2015-05-29 06:33:16
○ 2015-10-19 01:54:06
○ 2026-08-14 09:33:52
○ 2015-10-19 01:54:06
○ 2026-08-14 09:33:52
○NSns12.xincache.com2015-05-29 → 2015-05-29 · 3 obs
● 2015-05-29 06:33:16
○ 2015-10-19 01:54:06
○ 2026-08-14 09:33:52
○ 2015-10-19 01:54:06
○ 2026-08-14 09:33:52
●NSns2.17ex.com2026-02-21 → 2026-08-14 · 3 obs
○ 2016-11-30 04:07:52
● 2026-02-21 11:18:44
● 2026-08-14 09:33:52
● 2026-02-21 11:18:44
● 2026-08-14 09:33:52
○NSns2.myhostadmin.net2015-10-19 → 2015-10-19 · 4 obs
○ 2015-05-29 06:33:16
● 2015-10-19 01:54:06
○ 2016-11-30 04:07:52
○ 2026-08-14 09:33:52
● 2015-10-19 01:54:06
○ 2016-11-30 04:07:52
○ 2026-08-14 09:33:52
○NSns3.myhostadmin.net2015-10-19 → 2015-10-19 · 4 obs
○ 2015-05-29 06:33:16
● 2015-10-19 01:54:06
○ 2016-11-30 04:07:52
○ 2026-08-14 09:33:52
● 2015-10-19 01:54:06
○ 2016-11-30 04:07:52
○ 2026-08-14 09:33:52
○NSns4.myhostadmin.net2015-10-19 → 2015-10-19 · 4 obs
○ 2015-05-29 06:33:16
● 2015-10-19 01:54:06
○ 2016-11-30 04:07:52
○ 2026-08-14 09:33:52
● 2015-10-19 01:54:06
○ 2016-11-30 04:07:52
○ 2026-08-14 09:33:52
○NSns5.myhostadmin.net2015-10-19 → 2015-10-19 · 4 obs
○ 2015-05-29 06:33:16
● 2015-10-19 01:54:06
○ 2016-11-30 04:07:52
○ 2026-08-14 09:33:52
● 2015-10-19 01:54:06
○ 2016-11-30 04:07:52
○ 2026-08-14 09:33:52
○NSns6.myhostadmin.net2015-10-19 → 2015-10-19 · 4 obs
○ 2015-05-29 06:33:16
● 2015-10-19 01:54:06
○ 2016-11-30 04:07:52
○ 2026-08-14 09:33:52
● 2015-10-19 01:54:06
○ 2016-11-30 04:07:52
○ 2026-08-14 09:33:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| firstday.cn | ns1.17ex.com, ns2.17ex.com | - |
✅ Authoritative Response
Server:183.253.57.205
NS records: ns1.17ex.com, ns2.17ex.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for firstday.cn (unsigned zone)
⏱️ Timing
Total: 3728ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.17ex.com, ns2.17ex.com |
| CNAME | 1 | show.17ex.com |
| SOA | 1 | ns1.17ex.com admin.17ex.com |
Analysis
Name Servers
Two name servers handle the delegation for firstday.cn: ns1.17ex.com and ns2.17ex.com.
firstday.cn shares its name server setup with other domains, including alcyone.cn, baldeagle.cn, xiucheng.com.cn and two others.
firstday.cn is at least partially co-delegated on name servers with other domains, such as cctrade.cn.
Host names with two IP numbers:
ns2.17ex.com resolves to two addresses: 183.253.57.205 and 211.99.99.35.
Host names pointing to a single IP address:
The hostname ns1.17ex.com resolves to 218.98.111.191.