pythontutor.net - robtex.com
pythontutor.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 144.76.16.24🇩🇪 Hetzner144.76.0.0/16 HETZNER-RZ-BLK-ERX1 | ||||||
| PTR | h40.eu.core.hostnext.net | ||||||
| NS | ns1.hostnext.net ⭐ | ||||||
| A | 66.42.73.248🇺🇸 AS-VULTR66.42.64.0/20 Vultr Assigned Prefix | ||||||
| PTR | ns1.hostnext.net | ||||||
| NS | ns2.hostnext.net | ||||||
| A | 167.172.150.90🇺🇸 DIGITALOCEAN167.172.144.0/20 DigitalOcean | ||||||
| PTR | ns2.hostnext.net | ||||||
| MX | pythontutor.net ⭐ | ||||||
| A | 144.76.16.24🇩🇪 Hetzner144.76.0.0/16 HETZNER-RZ-BLK-ERX1 | ||||||
| PTR | h40.eu.core.hostnext.net | ||||||
| TXT | v=spf1 +a +mx +ip4:144.76.16.24 include:relay.mailchannels.net ~all | ||||||
| SOA | ns1.hostnext.netroot@h40.eu.core.hostnext.net 2026-03-27 #1 | ||||||
net
| 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=1774825872 | ||||||
MX for
pythontutor.net |
Same first word
pythontutor.net |
pythontutor.com |
pythontutor.info |
pythontutor.ru |
DNS History
16 records (4 active, 12 former)
○NSdns1.namecheaphosting.com2017-01-04 → 2017-01-04 · 3 obs
○ 2018-01-17 21:19:56
○ 2026-03-29 23:23:14
○NSdns2.namecheaphosting.com2017-01-04 → 2017-01-04 · 3 obs
○ 2018-01-17 21:19:56
○ 2026-03-29 23:23:14
●NSns1.hostnext.net2026-03-29 → 2026-03-29 · 2 obs
● 2026-03-29 23:23:14
○NSns1.us101.siteground.us2018-01-17 → 2018-01-17 · 3 obs
● 2018-01-17 21:19:56
○ 2026-03-29 23:23:14
●NSns2.hostnext.net2026-03-29 → 2026-03-29 · 2 obs
● 2026-03-29 23:23:14
○NSns2.us101.siteground.us2018-01-17 → 2018-01-17 · 3 obs
● 2018-01-17 21:19:56
○ 2026-03-29 23:23:14
○MXmx10.mailspamprotection.com2018-01-17 → 2018-01-17 · 3 obs
● 2018-01-17 21:19:56
○ 2026-03-29 23:23:14
○MXmx20.mailspamprotection.com2018-01-17 → 2018-01-17 · 3 obs
● 2018-01-17 21:19:56
○ 2026-03-29 23:23:14
○MXmx30.mailspamprotection.com2018-01-17 → 2018-01-17 · 3 obs
● 2018-01-17 21:19:56
○ 2026-03-29 23:23:14
●MXpythontutor.net2026-03-29 → 2026-03-29 · 2 obs
● 2026-03-29 23:23:14
○MXsmx1.web-hosting.com2017-01-04 → 2017-01-04 · 3 obs
○ 2018-01-17 21:19:56
○ 2026-03-29 23:23:14
○MXsmx2.web-hosting.com2017-01-04 → 2017-01-04 · 3 obs
○ 2018-01-17 21:19:56
○ 2026-03-29 23:23:14
○MXsmx3.web-hosting.com2017-01-04 → 2017-01-04 · 3 obs
○ 2018-01-17 21:19:56
○ 2026-03-29 23:23:14
○A109.199.127.2042018-01-17 → 2018-01-17 · 3 obs
● 2018-01-17 21:19:56
○ 2026-03-29 23:23:14
●A144.76.16.242026-03-29 → 2026-03-29 · 2 obs
● 2026-03-29 23:23:14
○A198.54.114.1682017-01-04 → 2017-01-04 · 3 obs
○ 2018-01-17 21:19:56
○ 2026-03-29 23:23:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | c.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net... | - |
| pythontutor.net | ns1.hostnext.net, ns2.hostnext.net | 2 records |
✅ Authoritative Response
Server:66.42.73.248
NS records: ns1.hostnext.net, ns2.hostnext.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for pythontutor.net (unsigned zone)
⏱️ Timing
Total: 219ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 144.76.16.24 |
| NS | 2 | ns2.hostnext.net, ns1.hostnext.net |
| MX | 1 | pythontutor.net (pri: 0) |
| TXT | 1 | v=spf1 +a +mx +ip4:144.76.16.24 include: |
| SOA | 1 | ns1.hostnext.net root.h40.eu.core.hostne |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.hostnext.net, ns2.hostnext.net)
Analysis
Mail Server Role
pythontutor.net serves as the mail server for pythontutor.net.
IP Addresses
pythontutor.net points to a single IP number: 144.76.16.24.
Other host names, for instance mustafashaban.com, funzoft.com, muscle-builders.com, reactivephysio.pk and saastreats.net share IP numbers with pythontutor.net.
Name Servers
pythontutor.net is delegated to two name servers: ns1.hostnext.net and ns2.hostnext.net.
pythontutor.net uses the same name server setup as other domains, for instance drjaveriajia.com, brains.edu.pk, overshopping.pk, taxiinegham.com and missdramatic.com.
pythontutor.net shares name servers with other domains at least partially, for instance rts.com.pk, midtownhotel.com.pk, security.com.pk, ptnest.com and fcs.net.pk.
These name servers are commonly used with n1.hostnext.net, n2.hostnext.net, ns1.uphoster.net and ns2.uphoster.net.
Host names with one IP number:
ns1.hostnext.net points to: 66.42.73.248.
ns2.hostnext.net points to: 167.172.150.90.
Mail Servers
A single mail server handles pythontutor.net and pythontutor.net.
Host name pythontutor.net resolves to IP 144.76.16.24.