swrv.cn - robtex.com
swrv.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 154.210.54.97🇭🇰 GNET-AS9294154.210.48.0/20 | ||||||
| NS | ns1.julydns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns1.judns.com ⚠️ 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.judns.com ⚠️ 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 ⚠️ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | ns1.julydns.commaster@jmdns.com serial=1771725625 | ||||||
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 2035-06-22 #26 | ||||||
Same first word
Similar names
DNS History
14 records (5 active, 9 former)
○NSdns1.iidns.com2016-03-12 → 2016-07-06 · 4 obs
● 2016-07-06 20:46:10
○ 2026-06-29 11:31:34
○ 2026-07-19 23:44:08
○NSdns2.iidns.com2016-03-12 → 2016-07-06 · 4 obs
● 2016-07-06 20:46:10
○ 2026-06-29 11:31:34
○ 2026-07-19 23:44:08
○NSdns3.iidns.com2016-03-12 → 2016-07-06 · 4 obs
● 2016-07-06 20:46:10
○ 2026-06-29 11:31:34
○ 2026-07-19 23:44:08
○NSdns4.iidns.com2016-03-12 → 2016-07-06 · 4 obs
● 2016-07-06 20:46:10
○ 2026-06-29 11:31:34
○ 2026-07-19 23:44:08
○NSdns5.iidns.com2016-03-12 → 2016-07-06 · 4 obs
● 2016-07-06 20:46:10
○ 2026-06-29 11:31:34
○ 2026-07-19 23:44:08
○NSdns6.iidns.com2016-03-12 → 2016-07-06 · 4 obs
● 2016-07-06 20:46:10
○ 2026-06-29 11:31:34
○ 2026-07-19 23:44:08
●NSns1.judns.com2026-06-29 → 2026-07-19 · 3 obs
● 2026-06-29 11:31:34
● 2026-07-19 23:44:08
●NSns1.julydns.com2026-06-29 → 2026-07-19 · 3 obs
● 2026-06-29 11:31:34
● 2026-07-19 23:44:08
●NSns2.judns.com2026-06-29 → 2026-07-19 · 3 obs
● 2026-06-29 11:31:34
● 2026-07-19 23:44:08
●NSns2.julydns.com2026-06-29 → 2026-07-19 · 3 obs
● 2026-06-29 11:31:34
● 2026-07-19 23:44:08
○A107.167.19.742016-07-06 → 2016-07-06 · 3 obs
○ 2026-06-29 11:31:34
○ 2026-07-19 23:44:08
○A107.167.19.752016-07-06 → 2016-07-06 · 3 obs
○ 2026-06-29 11:31:34
○ 2026-07-19 23:44:08
●A154.210.54.972026-06-29 → 2026-07-19 · 3 obs
● 2026-06-29 11:31:34
● 2026-07-19 23:44:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| swrv.cn | ns1.judns.com, ns2.judns.com | - |
✅ Authoritative Response
Server:162.159.27.251
NS records: ns1.judns.com, ns2.judns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for swrv.cn (unsigned zone)
⏱️ Timing
Total: 841ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 154.210.54.97 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
Analysis
IP Addresses
swrv.cn points to a single IP number: 154.210.54.97.
Name Servers
swrv.cn has four authoritative name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
There is at least partial name server overlap between swrv.cn and other domains — ahtmny.com, iunum.com, hcrhwxf.cn and two more among them.
These name servers frequently co-occur with the name servers ns1.onclouddns.com and ns2.onclouddns.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.
These two host names — ns1.judns.com and ns2.judns.com — each point to 162.159.27.251 IP addresses.
These two host names — ns1.julydns.com and ns2.julydns.com — each point to 162.159.48.223 IP addresses.