rfsb.cn - robtex.com
rfsb.cn
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=2035179409 | ||||||
Previously NS for
rfsb.cn |
Same first word
Similar names
DNS History
18 records (5 active, 13 former)
○NSdns1.hichina.com2026-02-24 → 2026-02-24 · 4 obs
● 2026-02-24 19:42:18
○ 2026-03-04 12:20:22
○ 2026-08-14 09:45:58
○NSdns2.hichina.com2026-02-24 → 2026-02-24 · 4 obs
● 2026-02-24 19:42:18
○ 2026-03-04 12:20:22
○ 2026-08-14 09:45:58
○NSexpirens3.hichina.com2026-02-24 → 2026-02-24 · 4 obs
● 2026-02-24 19:42:18
○ 2026-03-04 12:20:22
○ 2026-08-14 09:45:58
○NSexpirens4.hichina.com2026-02-24 → 2026-02-24 · 4 obs
● 2026-02-24 19:42:18
○ 2026-03-04 12:20:22
○ 2026-08-14 09:45:58
○NSns1.22.cn2016-07-25 → 2018-10-09 · 5 obs
● 2016-07-25 23:33:06
● 2018-10-09 00:11:34
○ 2026-02-24 19:42:18
○ 2026-08-14 09:45:58
●NSns1.363.hk2026-08-11 → 2026-08-14 · 3 obs
● 2026-08-11 17:24:44
● 2026-08-14 09:45:58
○NSns1.alidns.com2015-10-23 → 2015-12-27 · 5 obs
● 2015-10-23 20:40:54
● 2015-12-27 14:46:46
○ 2016-07-25 23:33:06
○ 2026-08-14 09:45:58
●NSns1.myhostadmin.net2026-08-11 → 2026-08-14 · 3 obs
● 2026-08-11 17:24:44
● 2026-08-14 09:45:58
○NSns2.22.cn2016-07-25 → 2018-10-09 · 5 obs
● 2016-07-25 23:33:06
● 2018-10-09 00:11:34
○ 2026-02-24 19:42:18
○ 2026-08-14 09:45:58
●NSns2.363.hk2026-08-11 → 2026-08-14 · 3 obs
● 2026-08-11 17:24:44
● 2026-08-14 09:45:58
○NSns2.alidns.com2015-10-23 → 2015-12-27 · 5 obs
● 2015-10-23 20:40:54
● 2015-12-27 14:46:46
○ 2016-07-25 23:33:06
○ 2026-08-14 09:45:58
●NSns2.myhostadmin.net2026-08-11 → 2026-08-14 · 3 obs
● 2026-08-11 17:24:44
● 2026-08-14 09:45:58
○NSns3.22.cn2016-07-25 → 2016-07-25 · 4 obs
● 2016-07-25 23:33:06
○ 2018-10-09 00:11:34
○ 2026-08-14 09:45:58
○NSns4.22.cn2016-07-25 → 2016-07-25 · 4 obs
● 2016-07-25 23:33:06
○ 2018-10-09 00:11:34
○ 2026-08-14 09:45:58
○NSrfsb.cn2015-05-29 → 2015-05-29 · 3 obs
○ 2015-10-23 20:40:54
○ 2026-08-14 09:45:58
○A103.28.46.282015-05-29 → 2015-05-29 · 3 obs
○ 2015-10-23 20:40:54
○ 2026-08-14 09:45:58
●A206.119.18.812026-08-11 → 2026-08-14 · 3 obs
● 2026-08-11 17:24:44
● 2026-08-14 09:45:58
○CNAMEexpired.hichina.com2026-02-24 → 2026-02-24 · 3 obs
○ 2026-03-04 12:20:22
○ 2026-08-14 09:45:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| rfsb.cn | ns1.363.hk, ns2.363.hk | - |
✅ Authoritative Response
Server:211.149.230.100
NS records: ns1.363.hk, ns2.363.hk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rfsb.cn (unsigned zone)
⏱️ Timing
Total: 3030ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 206.119.18.81 |
| NS | 2 | ns1.myhostadmin.net, ns2.myhostadmin.net |
| SOA | 1 | ns1.myhostadmin.net dnsconct.myhostadmin |
Analysis
IP Addresses
rfsb.cn directs to one IP number, which is 206.119.18.81.
Other host names, such as aadtn.cn, share IP numbers with rfsb.cn.
Name Servers
The domain rfsb.cn is delegated to these four name servers: ns1.363.hk, ns2.363.hk, ns1.myhostadmin.net and ns2.myhostadmin.net.
The name servers of rfsb.cn overlap at least partially with those of other domains — among them szhuhai.com, avifaunas.com, art720.cn and two more.
These name servers commonly appear in delegations together with ns3.363.hk, ns4.363.hk, ns5.myhostadmin.net and 5 other.
Hosts pointing to four IP addresses:
ns1.363.hk resolves to 60.247.150.254, 118.123.249.114, 118.123.253.132 and 240e:d9:c200::2.
ns1.myhostadmin.net resolves to 60.247.150.254, 118.123.249.114, 118.123.253.132 and 240e:d9:c200::2.
ns2.myhostadmin.net resolves to 61.172.183.73, 61.240.129.143, 211.149.230.100 and 240e:d9:c200:1::2.
Hosts with three IP address records:
ns2.363.hk points to 61.172.183.73, 211.149.230.100 and 240e:d9:c200:1::2.
ns1.363.hk and ns1.myhostadmin.net are host names that each point to 240e:d9:c200::2 IP addresses.
ns1.363.hk and ns1.myhostadmin.net are host names that each point to 60.247.150.254 IP addresses.
ns1.363.hk and ns1.myhostadmin.net are host names that each point to 118.123.249.114 IP addresses.
ns1.363.hk and ns1.myhostadmin.net are host names that each point to 118.123.253.132 IP addresses.
ns2.myhostadmin.net and ns2.363.hk are host names that each point to 240e:d9:c200:1::2 IP addresses.
ns2.myhostadmin.net and ns2.363.hk are host names that each point to 61.172.183.73 IP addresses.
ns2.myhostadmin.net and ns2.363.hk are host names that each point to 211.149.230.100 IP addresses.