nm.cn - robtex.com
nm.cn
| DNSSEC | โ ๏ธ Not signed | ||||||
| NS | a.dns.cn โญ โ ๏ธ Not in parent delegation | ||||||
| A | 2001:dc7::1๐จ๐ณ CNNIC-CRITICAL-AP2001:dc7::/48 SICHUANIDC province network | ||||||
| A | 203.119.25.1๐จ๐ณ CNNIC-CRITICAL-AP203.119.25.0/24 China Internet Network Information Center (CNNIC) | ||||||
| NS | b.dns.cn โ ๏ธ Not in parent delegation | ||||||
| A | 2001:dc7:1::1๐จ๐ณ CNNIC-CRITICAL-AP2001:dc7:1::/48 SICHUANIDC province network | ||||||
| PTR | b.dns.cn | ||||||
| A | 203.119.26.1๐จ๐ณ CNNIC-CRITICAL-AP203.119.26.0/24 China Internet Network Information Center (CNNIC) | ||||||
| PTR | b.dns.cn | ||||||
| NS | c.dns.cn โ ๏ธ Not in parent delegation | ||||||
| A | 2001:dc7:2::1๐จ๐ณ CNNIC-CRITICAL-AP2001:dc7:2::/48 SICHUANIDC province network | ||||||
| PTR | c.dns.cn | ||||||
| A | 203.119.27.1๐จ๐ณ CNNIC-CRITICAL-AP203.119.27.0/24 China Internet Network Information Center (CNNIC) | ||||||
| PTR | c.dns.cn | ||||||
| NS | cns.cernet.net โ ๏ธ Not in parent delegation | ||||||
| A | 2001:250:c006::44๐จ๐ณ ERX-CERNET-BKB2001:250:c006::/48 | ||||||
| A | 2001:da8:1:100::44๐จ๐ณ CNGI-CERNET2-AS-AP2001:da8::/32 | ||||||
| PTR | cns.cernet.net | ||||||
| PTR | ns.cernet.net | ||||||
| A | 2001:dd9::44๐จ๐ณ CRIS-CERNET-AS2001:dd9::/48 China Education and Research Network (CERNET) FIT 3-220, Tsinghua University | ||||||
| PTR | cns.cernet.net | ||||||
| PTR | ns.cernet.net | ||||||
| A | 103.137.60.44๐จ๐ณ ERX-CERNET-BKB103.137.60.0/24 | ||||||
| PTR | cns.cernet.net | ||||||
| PTR | ns.cernet.net | ||||||
| A | 202.38.109.44 | ||||||
| A | 202.112.0.44๐จ๐ณ ERX-CERNET-BKB202.112.0.0/24 | ||||||
| PTR | ns.cernet.net | ||||||
| NS | d.dns.cn โ ๏ธ Not in parent delegation | ||||||
| NS | e.dns.cn โ ๏ธ Not in parent delegation | ||||||
| A | 2001:dc7:3::1๐จ๐ณ CNNIC-CRITICAL-AP2001:dc7:3::/48 SICHUANIDC province network | ||||||
| PTR | e.dns.cn | ||||||
| A | 203.119.29.1๐จ๐ณ CNNIC-CRITICAL-AP203.119.29.0/24 China Internet Network Information Center (CNNIC) | ||||||
| PTR | e.dns.cn | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2027233790 | ||||||
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 2035-02-05 #42 | ||||||
Subdomains
Same first word
Similar names
DNS History
8 records (6 active, 2 former)
โNSa.dns.cn2015-08-22 โ 2026-07-09 ยท 18 obs
โ 2026-06-07 17:01:38
โ 2026-06-07 20:07:58
โ 2026-06-07 23:44:00
โ 2026-06-18 01:31:22
โ 2026-06-18 02:23:26
โ 2026-06-18 03:40:52
โ 2026-06-26 19:46:54
โ 2026-06-26 21:39:16
โ 2026-06-29 02:33:56
โ 2026-06-29 14:14:12
โ 2026-07-01 06:50:22
โ 2026-07-01 10:45:44
โ 2026-07-04 06:31:06
โ 2026-07-04 15:21:06
โ 2026-07-05 11:05:16
โ 2026-07-07 18:03:18
โ 2026-07-09 07:30:18
โNSb.dns.cn2015-08-22 โ 2026-07-09 ยท 18 obs
โ 2026-06-07 17:01:38
โ 2026-06-07 20:07:58
โ 2026-06-07 23:44:00
โ 2026-06-18 01:31:22
โ 2026-06-18 02:23:26
โ 2026-06-18 03:40:52
โ 2026-06-26 19:46:54
โ 2026-06-26 21:39:16
โ 2026-06-29 02:33:56
โ 2026-06-29 14:14:12
โ 2026-07-01 06:50:22
โ 2026-07-01 10:45:44
โ 2026-07-04 06:31:06
โ 2026-07-04 15:21:06
โ 2026-07-05 11:05:16
โ 2026-07-07 18:03:18
โ 2026-07-09 07:30:18
โNSc.dns.cn2015-08-22 โ 2026-07-09 ยท 18 obs
โ 2026-06-07 17:01:38
โ 2026-06-07 20:07:58
โ 2026-06-07 23:44:00
โ 2026-06-18 01:31:22
โ 2026-06-18 02:23:26
โ 2026-06-18 03:40:52
โ 2026-06-26 19:46:54
โ 2026-06-26 21:39:16
โ 2026-06-29 02:33:56
โ 2026-06-29 14:14:12
โ 2026-07-01 06:50:22
โ 2026-07-01 10:45:44
โ 2026-07-04 06:31:06
โ 2026-07-04 15:21:06
โ 2026-07-05 11:05:16
โ 2026-07-07 18:03:18
โ 2026-07-09 07:30:18
โNScns.cernet.net2015-08-22 โ 2026-07-09 ยท 18 obs
โ 2026-06-07 17:01:38
โ 2026-06-07 20:07:58
โ 2026-06-07 23:44:00
โ 2026-06-18 01:31:22
โ 2026-06-18 02:23:26
โ 2026-06-18 03:40:52
โ 2026-06-26 19:46:54
โ 2026-06-26 21:39:16
โ 2026-06-29 02:33:56
โ 2026-06-29 14:14:12
โ 2026-07-01 06:50:22
โ 2026-07-01 10:45:44
โ 2026-07-04 06:31:06
โ 2026-07-04 15:21:06
โ 2026-07-05 11:05:16
โ 2026-07-07 18:03:18
โ 2026-07-09 07:30:18
โNSd.dns.cn2015-08-22 โ 2026-07-09 ยท 18 obs
โ 2026-06-07 17:01:38
โ 2026-06-07 20:07:58
โ 2026-06-07 23:44:00
โ 2026-06-18 01:31:22
โ 2026-06-18 02:23:26
โ 2026-06-18 03:40:52
โ 2026-06-26 19:46:54
โ 2026-06-26 21:39:16
โ 2026-06-29 02:33:56
โ 2026-06-29 14:14:12
โ 2026-07-01 06:50:22
โ 2026-07-01 10:45:44
โ 2026-07-04 06:31:06
โ 2026-07-04 15:21:06
โ 2026-07-05 11:05:16
โ 2026-07-07 18:03:18
โ 2026-07-09 07:30:18
โNSe.dns.cn2015-08-22 โ 2026-07-09 ยท 18 obs
โ 2026-06-07 17:01:38
โ 2026-06-07 20:07:58
โ 2026-06-07 23:44:00
โ 2026-06-18 01:31:22
โ 2026-06-18 02:23:26
โ 2026-06-18 03:40:52
โ 2026-06-26 19:46:54
โ 2026-06-26 21:39:16
โ 2026-06-29 02:33:56
โ 2026-06-29 14:14:12
โ 2026-07-01 06:50:22
โ 2026-07-01 10:45:44
โ 2026-07-04 06:31:06
โ 2026-07-04 15:21:06
โ 2026-07-05 11:05:16
โ 2026-07-07 18:03:18
โ 2026-07-09 07:30:18
๐ DNS Trace
๐ Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | d.dns.cn, e.dns.cn, a.dns.cn, c.dns.cn... | - |
โ Authoritative Response
Server:203.119.27.1
NS records: d.dns.cn, e.dns.cn, a.dns.cn, c.dns.cn, b.dns.cn
๐ DNSSEC Status
๐ Secure (DNSSEC validated)
Chain of trust verified from root to domain
โฑ๏ธ Timing
Total: 2794ms | Queries: -
๐ Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 6 | a.dns.cn, b.dns.cn... |
| SOA | 1 | a.dns.cn root.cnnic.cn |
Analysis
Hierarchy
nm.cn is a parent domain; its children include tl.nm.cn, swoosh.nm.cn, archives.nm.cn, diaosu.nm.cn, teconnectivity.nm.cn and a few other host names.
Name Servers
The DNS delegation for nm.cn covers 6 name servers: a.dns.cn, b.dns.cn, c.dns.cn and 3 more.
Host names resolving to 6 IP numbers:
cns.cernet.net carries IP addresses 103.137.60.44, 202.38.109.44 and 202.112.0.44, with 3 other addresses beyond those.
Hosts with two IP numbers each:
a.dns.cn maps to two IP addresses โ 203.119.25.1 and 2001:dc7::1.
b.dns.cn maps to two IP addresses โ 203.119.26.1 and 2001:dc7:1::1.
c.dns.cn maps to two IP addresses โ 203.119.27.1 and 2001:dc7:2::1.
e.dns.cn maps to two IP addresses โ 203.119.29.1 and 2001:dc7:3::1.