ctrphd.com - dns.ninja
ctrphd.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 107.173.237.131🇺🇸 COLOCROSSING107.173.237.0/24 | ||||||
| PTR | 107-173-237-131-host.colocrossing.com | ||||||
| NS | a5.share-dns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | a.share-dns.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | b.share-dns.net ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.88Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | b5.share-dns.net ⚠️ Not in parent delegation | ||||||
| A | 162.159.27.88Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | a.share-dns.commaster@share-dns.com serial=1789575831 | ||||||
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=1793685971 | ||||||
Same first word
ctrphd.com |
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Previous names
Next names
DNS History
6 records (5 active, 1 former)
●NSa.share-dns.com2026-09-03 → 2026-11-03 · 2 obs
● 2026-11-03 06:27:46
●NSa5.share-dns.com2026-09-03 → 2026-11-03 · 2 obs
● 2026-11-03 06:27:46
●NSb.share-dns.net2026-09-03 → 2026-11-03 · 2 obs
● 2026-11-03 06:27:46
●NSb5.share-dns.net2026-09-03 → 2026-11-03 · 2 obs
● 2026-11-03 06:27:46
●A107.173.237.1312026-09-18 → 2026-11-03 · 3 obs
● 2026-09-18 18:56:10
● 2026-11-03 06:27:46
○A149.120.152.1022026-09-03 → 2026-09-03 · 3 obs
○ 2026-09-18 18:56:10
○ 2026-11-03 06:27:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| ctrphd.com | b5.share-dns.net, a5.share-dns.com | 1 record |
✅ Authoritative Response
Server:162.159.27.88
NS records: b5.share-dns.net, a5.share-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ctrphd.com (unsigned zone)
⏱️ Timing
Total: 1054ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 107.173.237.131 |
| NS | 2 | a.share-dns.com, b.share-dns.net |
| SOA | 1 | a.share-dns.com master.share-dns.com |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (a5.share-dns.com)
Analysis
IP Addresses
ctrphd.com resolves to one IP address: 107.173.237.131.
wyss077.com, xiruiliangyu.com, llkfzj.com and two other host names share IP numbers with ctrphd.com.
Name Servers
The authoritative name servers for ctrphd.com are a5.share-dns.com, a.share-dns.com, b5.share-dns.net and b.share-dns.net.
ctrphd.com shares at least some of its name servers with other domains, including jilievomok.com, wed1314.net, lkh1972.com and two others.
These name servers are frequently seen alongside a11.share-dns.com, b11.share-dns.net, a10.share-dns.com and 7 other name servers.
Four host names each point to one IP address: a5.share-dns.com and a.share-dns.com both point to 172.64.53.25, and b5.share-dns.net and b.share-dns.net both point to 162.159.27.88.
These two host names — a5.share-dns.com and a.share-dns.com — each point to 172.64.53.25 IP addresses.
These two host names — b5.share-dns.net and b.share-dns.net — each point to 162.159.27.88 IP addresses.