chd.edu.cn - robtex.com
chd.edu.cn
| DNSSEC | β οΈ Not signed | ||||||
| A | 202.117.66.253π¨π³ ERX-CERNET-BKB202.117.64.0/20 CMI (Customer Route) | ||||||
| NS | ns.chd.edu.cn β | ||||||
| NS | dns1.chd.edu.cn | ||||||
| A | 2001:250:1005::1π¨π³ CNGI-XA-IX-AS-AP2001:250:1005::/48 | ||||||
| A | 202.117.64.1π¨π³ ERX-CERNET-BKB202.117.64.0/24 CMI (Customer Route) | ||||||
| NS | dns2.chd.edu.cn | ||||||
| A | 2001:250:1005:8::1π¨π³ CNGI-XA-IX-AS-AP2001:250:1005::/48 | ||||||
| A | 218.195.56.1π¨π³ ERX-CERNET-BKB218.195.56.0/24 CMI (Customer Route) | ||||||
| PTR | dns2.chd.edu.cn | ||||||
| MX | hzmx01.mxmail.netease.com β | ||||||
| A | 47.251.71.119πΊπΈ Alibaba-Cloud47.251.0.0/17 Proxy-registered route object | ||||||
| PTR | ip-47-251-71-119.defastlink.net | ||||||
| A | 47.251.84.126πΊπΈ Alibaba-Cloud47.251.0.0/17 Proxy-registered route object | ||||||
| PTR | ip-47-251-84-126.defastlink.net | ||||||
| MX | hzmx02.mxmail.netease.com(10) | ||||||
| A | 47.251.71.119πΊπΈ Alibaba-Cloud47.251.0.0/17 Proxy-registered route object | ||||||
| PTR | ip-47-251-71-119.defastlink.net | ||||||
| A | 47.251.84.126πΊπΈ Alibaba-Cloud47.251.0.0/17 Proxy-registered route object | ||||||
| PTR | ip-47-251-84-126.defastlink.net | ||||||
| MX | mxhm.qiye.163.com(15) | ||||||
| A | 103.126.92.241ππ° NETEASEHONGKONGLINITED-1103.126.92.0/23 HONGKONG NETEASE INTERACTIVE ENTERTAINMENT LIMITED Unit 802, 8th Floor, Chuang's Tower, 30-32 Connaught Road Central | ||||||
| PTR | mail-m92241.xmail.ntesmail.com | ||||||
| A | 103.126.92.242ππ° NETEASEHONGKONGLINITED-1103.126.92.0/23 HONGKONG NETEASE INTERACTIVE ENTERTAINMENT LIMITED Unit 802, 8th Floor, Chuang's Tower, 30-32 Connaught Road Central | ||||||
| PTR | mail-m92242.xmail.ntesmail.com | ||||||
| TXT | globalsign-domain-verification=JwCJGhdvqWeOf-ihfoPobRXpJp_m48E-9C78fF7ALe | ||||||
| TXT | globalsign-domain-verification=rBpAd-P5ucvtL5ONF0_rPy4W3ujjirWeac5vwJOxzC | ||||||
| TXT | v=spf1 include:spf.163.com -all | ||||||
| SOA | ns.chd.edu.cnmail@chd.edu.cn serial=20192583 | ||||||
edu.cn
| DNSSEC | β οΈ Not signed | ||||||
| NS | dns2.edu.cn β | ||||||
| NS | dns.edu.cn | ||||||
| NS | dns3.edu.cn | ||||||
| NS | ns2.cernet.net | ||||||
| NS | ns4.cernet.net | ||||||
| NS | ns5.cernet.net | ||||||
| SOA | dns.edu.cnhostmaster@net.edu.cn 2026-02-26 #22 | ||||||
rank #1281 in the tld
WOT: SAFE (60/100)
π Tranco rank: #102,978
WOT: SAFE (85/100)
Up
www.chd.edu.cn |
hq.chd.edu.cn |
dcxy.chd.edu.cn |
lxsy.chd.edu.cn |
geoe.chd.edu.cn |
dag.chd.edu.cn |
news.chd.edu.cn |
dns1.chd.edu.cn |
mba.chd.edu.cn |
sjc.chd.edu.cn |
itif.chd.edu.cn |
wyc.chd.edu.cn |
geoscp.chd.edu.cn |
ec.chd.edu.cn |
cmcs.chd.edu.cn |
dns2.chd.edu.cn |
xfjy.chd.edu.cn |
111its.chd.edu.cn |
ids.chd.edu.cn |
Same first word
Similar names
DNS History
10 records (7 active, 3 former)
βNSdns.chd.edu.cn2015-08-04 β 2016-09-05 Β· 5 obs
β 2015-08-04 21:13:10
β 2016-09-05 18:12:34
β 2016-12-24 05:16:00
β 2026-02-27 01:47:48
βNSdns1.chd.edu.cn2016-12-24 β 2026-02-27 Β· 6 obs
β 2016-12-24 05:16:00
β 2017-06-01 04:53:46
β 2017-06-16 13:39:20
β 2017-07-07 09:11:42
β 2026-02-27 01:47:48
βNSdns2.chd.edu.cn2007-08-29 β 2026-02-27 Β· 5 obs
β 2015-08-04 21:13:10
β 2016-09-05 18:12:34
β 2016-12-24 05:16:00
β 2026-02-27 01:47:48
βNSns.chd.edu.cn2017-06-16 β 2026-02-27 Β· 3 obs
β 2017-06-16 13:39:20
β 2026-02-27 01:47:48
βMXhzmx01.mxmail.netease.com2017-07-07 β 2026-02-27 Β· 3 obs
β 2017-07-07 09:11:42
β 2026-02-27 01:47:48
βMXhzmx02.mxmail.netease.com2017-07-07 β 2026-02-27 Β· 3 obs
β 2017-07-07 09:11:42
β 2026-02-27 01:47:48
βMXmail.chd.edu.cn2007-08-29 β 2015-12-30 Β· 4 obs
β 2015-12-30 16:18:56
β 2016-02-17 21:15:02
β 2026-02-27 01:47:48
βMXmxhm.qiye.163.com2016-02-17 β 2026-02-27 Β· 3 obs
β 2016-02-17 21:15:02
β 2026-02-27 01:47:48
βA202.117.64.1522017-07-07 β 2017-07-07 Β· 3 obs
β 2026-02-14 20:07:12
β 2026-02-27 01:47:48
βA202.117.66.2532026-02-14 β 2026-02-27 Β· 3 obs
β 2026-02-14 20:07:12
β 2026-02-27 01:47:48
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, e.dns.cn, c.dns.cn, d.dns.cn... | - |
| edu.cn | dns.edu.cn, ns2.cernet.net, ns4.cernet.net, ns5.cernet.net... | 6 records |
| chd.edu.cn | dns2.chd.edu.cn, dns1.chd.edu.cn | 4 records |
β Authoritative Response
Server: 218.195.56.1
NS records: dns2.chd.edu.cn, dns1.chd.edu.cn
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for chd.edu.cn (unsigned zone)
β±οΈ Timing
Total: 2185ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.117.66.253 |
| NS | 2 | dns1.chd.edu.cn, dns2.chd.edu.cn |
| MX | 3 | hzmx02.mxmail.netease.com (pri: 10), hzmx01.mxmail.netease.com (pri: 5)... |
| TXT | 3 | globalsign-domain-verification=JwCJGhdvq, v=spf1 include:spf.163.com -all... |
| SOA | 1 | ns.chd.edu.cn mail.chd.edu.cn |
π Glue Records Collected
Total: 10
In-bailiwick: 10 (dns.edu.cn, dns.edu.cn, dns2.edu.cn...)
AI analysis
chd.edu.cn is a parent of www.chd.edu.cn, hq.chd.edu.cn, dcxy.chd.edu.cn, lxsy.chd.edu.cn and geoe.chd.edu.cn, plus a few other host names.
chd.edu.cn resolves to one IP number: 202.117.66.253.
Other host names, for instance news.chd.edu.cn, xahu.edu.cn and www.chd.edu.cn share IP numbers with chd.edu.cn.
chd.edu.cn is delegated to three name servers: dns1.chd.edu.cn, dns2.chd.edu.cn and ns.chd.edu.cn.
Host names with two IPs:
dns1.chd.edu.cn points to 2001:250:1005::1 and 202.117.64.1
dns2.chd.edu.cn points to 2001:250:1005:8::1 and 218.195.56.1
Three mail servers handle chd.edu.cn: mxhm.qiye.163.com, hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.
chd.edu.cn shares at least some mail servers with other domains, for example gooob.com, landespcb.com, dz8.com.cn, jlcia.com and yijiang.cn.
Host names with two IPs:
mxhm.qiye.163.com points to 103.126.92.241 and 103.126.92.242.
hzmx01.mxmail.netease.com points to 47.251.71.119 and 47.251.84.126.
hzmx02.mxmail.netease.com points to 47.251.71.119 and 47.251.84.126.
Names pointing to 47.251.71.119: hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.
Names pointing to 47.251.84.126: hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.