cdtec.cn - dns.ninja
cdtec.cn
| DNSSEC | โ ๏ธ Not signed | ||||||
| NS | ns1.judns.com โ ๏ธ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns1.julydns.com โ ๏ธ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.judns.com โ ๏ธ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.julydns.com โ ๏ธ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
cn
| DNSSEC | ๐ Signed (DS record present) | ||||||
| NS | a.dns.cn โญ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net โ ๏ธ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2035002115 | ||||||
Same first word
Similar names
DNS History
8 records (4 active, 4 former)
โNSns1.judns.com2026-06-29 โ 2026-07-04 ยท 3 obs
โ 2026-06-29 09:55:20
โ 2026-07-04 13:00:58
โNSns1.julydns.com2026-06-29 โ 2026-07-04 ยท 3 obs
โ 2026-06-29 09:55:20
โ 2026-07-04 13:00:58
โNSns17.xincache.com2015-08-06 โ 2017-06-21 ยท 4 obs
โ 2017-06-21 09:26:16
โ 2026-06-29 09:55:20
โ 2026-07-04 13:00:58
โNSns18.xincache.com2015-08-06 โ 2017-06-21 ยท 4 obs
โ 2017-06-21 09:26:16
โ 2026-06-29 09:55:20
โ 2026-07-04 13:00:58
โNSns2.judns.com2026-06-29 โ 2026-07-04 ยท 3 obs
โ 2026-06-29 09:55:20
โ 2026-07-04 13:00:58
โNSns2.julydns.com2026-06-29 โ 2026-07-04 ยท 3 obs
โ 2026-06-29 09:55:20
โ 2026-07-04 13:00:58
โA119.10.53.2342016-03-22 โ 2017-06-21 ยท 5 obs
โ 2016-03-22 11:12:58
โ 2017-06-21 09:26:16
โ 2026-06-29 09:55:20
โ 2026-07-04 13:00:58
โA58.30.228.932015-08-06 โ 2015-12-20 ยท 4 obs
โ 2015-12-20 17:08:30
โ 2016-03-22 11:12:58
โ 2026-07-04 13:00:58
๐ DNS Trace
๐ Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | d.dns.cn, e.dns.cn, a.dns.cn, c.dns.cn... | - |
| cdtec.cn | ns1.judns.com, ns2.judns.com | - |
โ Authoritative Response
Server:162.159.27.251
NS records: ns1.judns.com, ns2.judns.com
๐ DNSSEC Status
โ ๏ธ Insecure (no DNSSEC)
No DS record for cdtec.cn (unsigned zone)
โฑ๏ธ Timing
Total: 907ms | Queries: -
๐ Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
Analysis
Name Servers
cdtec.cn has four authoritative name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
cdtec.cn has at least partial name server overlap with other domains, such as tvobubb.cn, d0e268e68d.top, job-is.com and two others.
It is common to find these name servers paired with the name servers ns1.onclouddns.com, ns2.onclouddns.com, jm1.dns.com and jm2.dns.com.
ns1.judns.com and ns2.judns.com each resolve to 162.159.27.251, while ns1.julydns.com and ns2.julydns.com each resolve to 162.159.48.223.
ns1.judns.com and ns2.judns.com are host names that each point to 162.159.27.251 IP addresses.
ns1.julydns.com and ns2.julydns.com are host names that each point to 162.159.48.223 IP addresses.