professorphd.com - robtex.com
professorphd.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 198.23.50.128🇺🇸 AS14555198.23.48.0/20 LiquidNet US LLC | ||||||
| PTR | hosted.by.liquidnetlimited.com | ||||||
| NS | dns1.supremedns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 162.210.102.140🇺🇸 AS14555162.210.96.0/21 LiquidNet US LLC | ||||||
| PTR | dns1.supremedns.com | ||||||
| NS | dns1.simple1hosting.net ⚠️ Not in zone NS records | ||||||
| A | 198.23.55.96🇺🇸 AS14555198.23.48.0/20 LiquidNet US LLC | ||||||
| PTR | hosted.by.liquidnetlimited.com | ||||||
| NS | dns2.simple1hosting.net ⚠️ Not in zone NS records | ||||||
| A | 198.23.56.254🇺🇸 AS14555198.23.48.0/20 LiquidNet US LLC | ||||||
| PTR | hosted.by.liquidnetlimited.com | ||||||
| NS | dns2.supremedns.com ⚠️ Not in parent delegation | ||||||
| A | 198.23.56.4🇺🇸 AS14555198.23.48.0/20 LiquidNet US LLC | ||||||
| PTR | dns2.supremedns.com | ||||||
| MX | mx.vps42568.mylogin.co ⭐ | ||||||
| A | 198.23.50.128🇺🇸 AS14555198.23.48.0/20 LiquidNet US LLC | ||||||
| PTR | hosted.by.liquidnetlimited.com | ||||||
| SOA | dns1.supremedns.comroot@vps42568.mylogin.co serial=1729076012 | ||||||
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=1776301577 | ||||||
Same first word
professorphd.com |
DNS History
7 records (6 active, 1 former)
●NSdns1.simple1hosting.net2026-04-16 → 2026-04-16 · 3 obs
● 2026-04-16 01:27:42
● 2026-04-16 01:27:44
●NSdns1.supremedns.com2015-08-15 → 2026-04-16 · 2 obs
● 2026-04-16 01:27:44
●NSdns2.simple1hosting.net2026-04-16 → 2026-04-16 · 3 obs
● 2026-04-16 01:27:42
● 2026-04-16 01:27:44
●NSdns2.supremedns.com2015-08-15 → 2026-04-16 · 2 obs
● 2026-04-16 01:27:44
●MXmx.vps42568.mylogin.co2015-08-15 → 2026-04-16 · 2 obs
● 2026-04-16 01:27:44
●A198.23.50.1282026-04-16 → 2026-04-16 · 3 obs
● 2026-04-16 01:27:42
● 2026-04-16 01:27:44
○A208.117.45.792015-08-15 → 2020-01-17 · 4 obs
● 2020-01-17 06:25:14
○ 2026-04-16 01:27:42
○ 2026-04-16 01:27:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, j.gtld-servers.net, c.gtld-servers.net, h.gtld-servers.net... | - |
| professorphd.com | dns1.simple1hosting.net, dns2.simple1hosting.net | - |
✅ Authoritative Response
Server:198.23.56.254
NS records: dns1.simple1hosting.net, dns2.simple1hosting.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for professorphd.com (unsigned zone)
⏱️ Timing
Total: 750ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 198.23.50.128 |
| NS | 2 | dns1.supremedns.com, dns2.supremedns.com |
| MX | 1 | mx.vps42568.mylogin.co (pri: 10) |
| SOA | 1 | dns1.supremedns.com root.vps42568.mylogi |
Analysis
IP Addresses
professorphd.com points to a single IP address: 198.23.50.128.
Other host names such as christiancheatsheet.com, mx.vps42568.mylogin.co, dankuban.com, scottsoapbox.com and kuban.us share IPs with professorphd.com.
Name Servers
professorphd.com is delegated to four name servers: dns1.supremedns.com, dns2.supremedns.com, dns1.simple1hosting.net and dns2.simple1hosting.net.
professorphd.com at least partially shares name servers with other domains, for example 74.101.210.162.in-addr.arpa, ranchochito.com.do, medisun.com.co, projectconstrucciones.com and 189.199.249.46.in-addr.arpa.
These name servers are often used together with dns3.supremedns.com, dns4.supremedns.com, dns1.supremecenter.com, dns2.supremecenter.com, dns3.supremecenter.com, dns4.supremecenter.com, dns1.supremecenter47.com, dns2.supremecenter47.com and ns1.hostingcolombiapro.com.
Host names with one IP number:
dns1.supremedns.com points to: 162.210.102.140
dns2.supremedns.com points to: 198.23.56.4
dns1.simple1hosting.net points to: 198.23.55.96
dns2.simple1hosting.net points to: 198.23.56.254
Mail Servers
The mx.vps42568.mylogin.co mail server handles professorphd.com.
professorphd.com shares the same mail server setup as other domains, such as scottsoapbox.com and www.scottsoapbox.com.
mx.vps42568.mylogin.co points to a single IP number: 198.23.50.128.