cd-zhenda.com - robtex.com
cd-zhenda.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 136.0.37.115🇺🇸 HURRICANE136.0.37.0/24 727 North 1550 East Ste 400 Orem UT 84097 United States | ||||||
| PTR | eutropic115.kolo136.go-stad.com | ||||||
| NS | ns1.softlayer.com ⭐ | ||||||
| A | 2607:f0d0:0:f:1::1🇺🇸 SOFTLAYER2607:f0d0::/32 -6-1 | ||||||
| PTR | ns1.softlayer.com | ||||||
| A | 67.228.254.4🇺🇸 SOFTLAYER67.228.254.0/23 -anycast02 | ||||||
| PTR | 4.fe.e443.ip4.static.sl-reverse.com | ||||||
| NS | ns2.softlayer.com | ||||||
| A | 2607:f0d0:0:f:2::1🇺🇸 SOFTLAYER2607:f0d0::/32 -6-1 | ||||||
| PTR | ns2.softlayer.com | ||||||
| A | 67.228.255.5🇺🇸 SOFTLAYER67.228.254.0/23 -anycast02 | ||||||
| PTR | 5.ff.e443.ip4.static.sl-reverse.com | ||||||
| MX | mail.cd-zhenda.com ⭐ | ||||||
| A | 136.0.37.115🇺🇸 HURRICANE136.0.37.0/24 727 North 1550 East Ste 400 Orem UT 84097 United States | ||||||
| PTR | eutropic115.kolo136.go-stad.com | ||||||
| TXT | yahoo-verification-key=gjKY5yAKNCvkJ8qqxBSatFcI6O8F6pRCbf7Kxyd18cg= | ||||||
| TXT | v=spf1 mx a ip4:124.21.140.0/24 ip4:124.21.141.0/24 ip4:124.21.142.0/24 ip4:1... | ||||||
| SOA | ns1.softlayer.comroot@cd-zhenda.com 2026-02-02 #3 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774611507 | ||||||
Subdomains
mail.cd-zhenda.com |
Same first word
cd-zhenda.com |
DNS History
13 records (4 active, 9 former)
○NSns1.maff.com2018-12-18 → 2018-12-18 · 4 obs
● 2018-12-18 13:13:12
○ 2026-02-17 16:16:14
○ 2026-03-27 11:49:20
●NSns1.softlayer.com2026-02-17 → 2026-03-27 · 3 obs
● 2026-02-17 16:16:14
● 2026-03-27 11:49:20
○NSns11.xincache.com2015-07-25 → 2016-03-02 · 4 obs
● 2016-03-02 21:53:38
○ 2016-07-09 15:26:50
○ 2026-03-27 11:49:20
○NSns12.xincache.com2015-07-25 → 2016-03-02 · 4 obs
● 2016-03-02 21:53:38
○ 2016-07-09 15:26:50
○ 2026-03-27 11:49:20
○NSns19.xincache.com2016-07-09 → 2017-03-14 · 5 obs
● 2016-07-09 15:26:50
● 2017-03-14 21:44:44
○ 2018-12-18 13:13:12
○ 2026-03-27 11:49:20
○NSns2.maff.com2018-12-18 → 2018-12-18 · 4 obs
● 2018-12-18 13:13:12
○ 2026-02-17 16:16:14
○ 2026-03-27 11:49:20
●NSns2.softlayer.com2026-02-17 → 2026-03-27 · 3 obs
● 2026-02-17 16:16:14
● 2026-03-27 11:49:20
○NSns20.xincache.com2016-07-09 → 2017-03-14 · 5 obs
● 2016-07-09 15:26:50
● 2017-03-14 21:44:44
○ 2018-12-18 13:13:12
○ 2026-03-27 11:49:20
●MXmail.cd-zhenda.com2026-02-17 → 2026-03-27 · 2 obs
● 2026-03-27 11:49:20
○A118.123.242.1652016-03-02 → 2017-03-14 · 5 obs
● 2016-03-02 21:53:38
● 2017-03-14 21:44:44
○ 2018-12-18 13:13:12
○ 2026-03-27 11:49:20
○A125.64.14.1072015-07-25 → 2015-11-22 · 4 obs
● 2015-11-22 23:42:10
○ 2016-03-02 21:53:38
○ 2026-03-27 11:49:20
●A136.0.37.1152026-02-17 → 2026-03-27 · 3 obs
● 2026-02-17 16:16:14
● 2026-03-27 11:49:20
○A154.84.104.772018-12-18 → 2018-12-18 · 4 obs
● 2018-12-18 13:13:12
○ 2026-02-17 16:16:14
○ 2026-03-27 11:49:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, f.gtld-servers.net, g.gtld-servers.net, l.gtld-servers.net... | - |
| cd-zhenda.com | ns2.softlayer.com, ns1.softlayer.com | 4 records |
✅ Authoritative Response
Server:67.228.255.5
NS records: ns2.softlayer.com, ns1.softlayer.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cd-zhenda.com (unsigned zone)
⏱️ Timing
Total: 166ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 136.0.37.115 |
| NS | 2 | ns2.softlayer.com, ns1.softlayer.com |
| MX | 1 | mail.cd-zhenda.com (pri: 0) |
| TXT | 2 | v=spf1 mx a ip4:124.21.140.0/24 ip4:124., yahoo-verification-key=gjKY5yAKNCvkJ8qqx |
| SOA | 1 | ns1.softlayer.com root.cd-zhenda.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns2.softlayer.com, ns2.softlayer.com, ns1.softlayer.com...)
Analysis
Hierarchy
mail.cd-zhenda.com is a child of cd-zhenda.com.
IP Addresses
cd-zhenda.com resolves to one IP number: 136.0.37.115.
Other host names for instance eutropic115.kolo136.go-stad.com and mail.cd-zhenda.com share IP numbers with cd-zhenda.com.
Name Servers
cd-zhenda.com's delegation uses two name servers: ns1.softlayer.com and ns2.softlayer.com.
cd-zhenda.com uses the same name server setup as other domains, such as idm.sos.ibm.com, chessteacher.ca, dorn-malag.de, (0x6269746368)arities.com and hjcengineering.com.
cd-zhenda.com at least partially shares name servers with other domains, including pomcr.com, abacus.ev1servers.net, 106.87.70.in-addr.arpa, 52.84.70.in-addr.arpa and yuristar.com.
these name servers are commonly used with ns3.arpa.networklayer.com, ns4.arpa.networklayer.com, ns1.theplanet.com, ns2.theplanet.com, ns1.ev1servers.net, ns2.ev1servers.net, ns1.arwebdns.com, ns2.arwebdns.com and ns3.arwebdns.com.
Host names with two IPs:
ns1.softlayer.com points to 2607:f0d0:0:f:1::1 and 67.228.254.4
ns2.softlayer.com points to 2607:f0d0:0:f:2::1 and 67.228.255.5
Mail Servers
A single mail server handles cd-zhenda.com, mail.cd-zhenda.com.
Host name mail.cd-zhenda.com resolves to a single IP: 136.0.37.115.