ptr.cn - dns.ninja
ptr.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 137.59.148.97🇮🇳 EIGI137.59.148.0/24 P.D.R Solutions FZC Endurance International Group 10 Corporate Drive, Burlington, MA 01803 US | ||||||
| NS | ns1.he.net ⭐ | ||||||
| A | 2001:470:100::2🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ns1.he.net | ||||||
| A | 216.218.130.2🇺🇸 HURRICANE216.218.128.0/17 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ns1.he.net | ||||||
| NS | ns2.he.net | ||||||
| A | 2001:470:200::2🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ns2.he.net | ||||||
| A | 216.218.131.2🇺🇸 HURRICANE216.218.128.0/17 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ns2.he.net | ||||||
| NS | ns3.he.net | ||||||
| A | 2001:470:300::2🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ns3.he.net | ||||||
| A | 216.218.132.2🇺🇸 HURRICANE216.218.128.0/17 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ns3.he.net | ||||||
| NS | ns4.he.net | ||||||
| A | 2001:470:400::2🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ns4.he.net | ||||||
| A | 216.66.1.2🇺🇸 HURRICANE216.66.0.0/19 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ns4.he.net | ||||||
| NS | ns5.he.net | ||||||
| A | 2001:470:500::2🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ns5.he.net | ||||||
| A | 216.66.80.18🇺🇸 HURRICANE216.66.80.0/20 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ns5.he.net | ||||||
| SOA | ns1.he.nethostmaster@he.net 2019-06-19 #8 | ||||||
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=2035168966 | ||||||
Same first word
Similar names
DNS History
9 records (6 active, 3 former)
○NSns1.bodis.com2015-08-23 → 2016-11-09 · 4 obs
● 2016-11-09 12:13:40
○ 2020-10-29 13:12:30
○ 2026-08-11 19:54:50
●NSns1.he.net2020-10-29 → 2026-08-11 · 3 obs
● 2020-10-29 13:12:30
● 2026-08-11 19:54:50
○NSns2.bodis.com2015-08-23 → 2016-11-09 · 4 obs
● 2016-11-09 12:13:40
○ 2020-10-29 13:12:30
○ 2026-08-11 19:54:50
●NSns2.he.net2020-10-29 → 2026-08-11 · 3 obs
● 2020-10-29 13:12:30
● 2026-08-11 19:54:50
●NSns3.he.net2020-10-29 → 2026-08-11 · 3 obs
● 2020-10-29 13:12:30
● 2026-08-11 19:54:50
●NSns4.he.net2020-10-29 → 2026-08-11 · 3 obs
● 2020-10-29 13:12:30
● 2026-08-11 19:54:50
●NSns5.he.net2020-10-29 → 2026-08-11 · 3 obs
● 2020-10-29 13:12:30
● 2026-08-11 19:54:50
●A137.59.148.972020-10-29 → 2026-08-11 · 3 obs
● 2020-10-29 13:12:30
● 2026-08-11 19:54:50
○A199.59.243.1202015-08-23 → 2016-11-09 · 4 obs
● 2016-11-09 12:13:40
○ 2020-10-29 13:12:30
○ 2026-08-11 19:54:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, c.dns.cn, e.dns.cn, d.dns.cn... | - |
| ptr.cn | ns1.he.net, ns2.he.net, ns3.he.net, ns4.he.net... | - |
✅ Authoritative Response
Server:216.218.130.2
NS records: ns1.he.net, ns2.he.net, ns3.he.net, ns4.he.net, ns5.he.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ptr.cn (unsigned zone)
⏱️ Timing
Total: 1344ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 137.59.148.97 |
| NS | 5 | ns1.he.net, ns5.he.net... |
| SOA | 1 | ns1.he.net hostmaster.he.net |
Analysis
IP Addresses
ptr.cn has exactly one IP address — 137.59.148.97.
biz.cp-hk-5.webhostbox.net, ceng.org, mgf.cn plus two other host names have IP numbers in common with ptr.cn.
Name Servers
Five name servers handle delegation for ptr.cn: ns1.he.net, ns2.he.net, ns3.he.net and two others.
ptr.cn has at least partial name server overlap with other domains, such as masonegger.com, foodnews.com.tw, netchannels.com and two others.
These name servers tend to appear together with the name servers ns4.he.net, ns5.he.net and slave.dns.he.net.
Host names pointing to two IP addresses:
The A records for ns1.he.net return 216.218.130.2 and 2001:470:100::2.
The A records for ns2.he.net return 216.218.131.2 and 2001:470:200::2.
The A records for ns3.he.net return 216.218.132.2 and 2001:470:300::2.
The A records for ns4.he.net return 216.66.1.2 and 2001:470:400::2.
The A records for ns5.he.net return 216.66.80.18 and 2001:470:500::2.