python-courses.ru - robtex.com
python-courses.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.215.4.27🇷🇺 DDOS-GUARD185.215.4.0/24 Tilda Publishing LLC | ||||||
| NS | ns1.selectel.ru ⭐ | ||||||
| A | 2a00:ab00:800::53🇷🇺 SELECTEL2a00:ab00::/32 Selectel IPv6 | ||||||
| PTR | ns1.selectel.org | ||||||
| A | 188.68.203.10🇷🇺 SELECTEL188.68.203.0/24 Selectel Route Object | ||||||
| PTR | ns1.selectel.ru | ||||||
| NS | ns2.selectel.ru | ||||||
| A | 2a00:ab00:801::53🇷🇺 SELECTEL2a00:ab00::/32 Selectel IPv6 | ||||||
| PTR | ns2.selectel.org | ||||||
| A | 77.223.114.5🇷🇺 SELECTEL77.223.114.0/24 Selectel Route Object | ||||||
| PTR | ns2.selectel.ru | ||||||
| NS | ns3.selectel.ru | ||||||
| A | 2a00:ab00:802::53🇷🇺 SELECTEL2a00:ab00::/32 Selectel IPv6 | ||||||
| PTR | ns3.selectel.org | ||||||
| A | 188.68.203.5🇷🇺 SELECTEL188.68.203.0/24 Selectel Route Object | ||||||
| PTR | ns3.selectel.ru | ||||||
| NS | ns4.selectel.ru | ||||||
| A | 2a00:ab00:803::53🇷🇺 SELECTEL2a00:ab00::/32 Selectel IPv6 | ||||||
| PTR | ns4.selectel.org | ||||||
| A | 77.223.114.10🇷🇺 SELECTEL77.223.114.0/24 Selectel Route Object | ||||||
| PTR | ns4.selectel.ru | ||||||
| SOA | ns1.selectel.rusupport@selectel.ru 2022-06-27 #34 | ||||||
ru
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.ripn.net ⭐ | ||||||
| NS | b.dns.ripn.net | ||||||
| NS | c.tld-servers.ru | ||||||
| NS | d.dns.ripn.net | ||||||
| NS | e.dns.ripn.net | ||||||
| NS | f.dns.ripn.net | ||||||
| SOA | a.dns.ripn.nethostmaster@ripn.net serial=4070398 | ||||||
Same first word
python-courses.com |
python-courses.ru |
python-courses.eu |
Similar names
Previous names
Next names
DNS History
5 records (5 active, 0 former)
●NSns1.selectel.ru2026-09-08 → 2026-09-17 · 2 obs
● 2026-09-17 17:49:02
●NSns2.selectel.ru2026-09-08 → 2026-09-17 · 2 obs
● 2026-09-17 17:49:02
●NSns3.selectel.ru2026-09-08 → 2026-09-17 · 2 obs
● 2026-09-17 17:49:02
●NSns4.selectel.ru2026-09-08 → 2026-09-17 · 2 obs
● 2026-09-17 17:49:02
●A185.215.4.272026-09-08 → 2026-09-17 · 2 obs
● 2026-09-17 17:49:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | e.dns.ripn.net, f.dns.ripn.net, c.tld-servers.ru, a.dns.ripn.net... | - |
| python-courses.ru | ns3.selectel.ru, ns1.selectel.ru, ns2.selectel.ru, ns4.selectel.ru | 4 records |
✅ Authoritative Response
Server:188.68.203.5
NS records: ns3.selectel.ru, ns1.selectel.ru, ns2.selectel.ru, ns4.selectel.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for python-courses.ru (unsigned zone)
⏱️ Timing
Total: 1234ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.215.4.27 |
| NS | 4 | ns2.selectel.ru, ns4.selectel.ru... |
| SOA | 1 | ns1.selectel.ru support.selectel.ru |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns4.selectel.ru, ns3.selectel.ru, ns2.selectel.ru...)
Analysis
IP Addresses
python-courses.ru points to a single IP number: 185.215.4.27.
Additional host names — zurvkaife.ru, sahapov.pro, spectr360.ru and two others — share IP numbers with python-courses.ru.
Name Servers
python-courses.ru has four authoritative name servers: ns1.selectel.ru, ns2.selectel.ru, ns3.selectel.ru and ns4.selectel.ru.
python-courses.ru has at least partial name server overlap with other domains, such as invisible.coffee, ginnotaki-chelny.ru, dumareft.ru and two others.
It is common to find these name servers paired with the name servers ns1.selectel.org, ns2.selectel.org, ns3.selectel.org and ns4.selectel.org.
ns1.selectel.ru, ns2.selectel.ru, ns3.selectel.ru and ns4.selectel.ru all point to exactly two IP numbers each: ns1.selectel.ru → 188.68.203.10 and 2a00:ab00:800::53; ns2.selectel.ru → 77.223.114.5 and 2a00:ab00:801::53; ns3.selectel.ru → 188.68.203.5 and 2a00:ab00:802::53; ns4.selectel.ru → 77.223.114.10 and 2a00:ab00:803::53.