contextap.ru - robtex.com
contextap.ru
ru
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.ripn.net ⭐ | ||||||
| NS | b.dns.ripn.net | ||||||
| NS | d.dns.ripn.net | ||||||
| NS | e.dns.ripn.net | ||||||
| NS | f.dns.ripn.net | ||||||
| SOA | a.dns.ripn.nethostmaster@ripn.net serial=4068383 | ||||||
Same first word
contextap.ru |
Similar names
DNS History
17 records (12 active, 5 former)
●NSns.masterhost.ru2015-06-25 → 2026-04-03 · 2 obs
● 2026-04-03 22:04:54
●NSns1.masterhost.ru2015-06-25 → 2026-04-03 · 2 obs
● 2026-04-03 22:04:54
●NSns2.masterhost.ru2015-06-25 → 2026-04-03 · 2 obs
● 2026-04-03 22:04:54
●MXmx4.masterhost.ru2015-06-25 → 2026-04-03 · 2 obs
● 2026-04-03 22:04:54
●A2a00:15f8:a000:5:1:11:5:5b2e2015-06-25 → 2026-04-03 · 2 obs
● 2026-04-03 22:04:54
●A2a00:15f8:a000:5:1:12:5:5b2e2015-06-25 → 2026-04-03 · 2 obs
● 2026-04-03 22:04:54
●A2a00:15f8:a000:5:1:13:5:5b2e2015-06-25 → 2026-04-03 · 2 obs
● 2026-04-03 22:04:54
●A2a00:15f8:a000:5:1:14:5:5b2e2015-06-25 → 2026-04-03 · 2 obs
● 2026-04-03 22:04:54
○A90.156.201.1062015-06-25 → 2017-03-29 · 4 obs
● 2017-03-29 16:51:50
○ 2026-02-16 16:26:22
○ 2026-04-03 22:04:54
○A90.156.201.1082015-06-25 → 2017-03-29 · 4 obs
● 2017-03-29 16:51:50
○ 2026-02-16 16:26:22
○ 2026-04-03 22:04:54
●A90.156.201.122026-02-16 → 2026-04-03 · 3 obs
● 2026-02-16 16:26:22
● 2026-04-03 22:04:54
○A90.156.201.132017-03-29 → 2017-03-29 · 4 obs
● 2017-03-29 16:51:50
○ 2026-02-16 16:26:22
○ 2026-04-03 22:04:54
●A90.156.201.172026-02-16 → 2026-04-03 · 3 obs
● 2026-02-16 16:26:22
● 2026-04-03 22:04:54
○A90.156.201.482015-06-25 → 2017-03-29 · 4 obs
● 2017-03-29 16:51:50
○ 2026-02-16 16:26:22
○ 2026-04-03 22:04:54
●A90.156.201.552026-02-16 → 2026-04-03 · 3 obs
● 2026-02-16 16:26:22
● 2026-04-03 22:04:54
●A90.156.201.622026-02-16 → 2026-04-03 · 3 obs
● 2026-02-16 16:26:22
● 2026-04-03 22:04:54
○A90.156.201.942015-06-25 → 2016-06-22 · 4 obs
● 2016-06-22 10:12:06
○ 2017-03-29 16:51:50
○ 2026-04-03 22:04:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, e.dns.ripn.net, d.dns.ripn.net... | - |
| contextap.ru | ns.masterhost.ru, ns1.masterhost.ru, ns2.masterhost.ru | - |
✅ Authoritative Response
Server:90.156.133.161
NS records: ns.masterhost.ru, ns1.masterhost.ru, ns2.masterhost.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for contextap.ru (unsigned zone)
⏱️ Timing
Total: 1417ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 90.156.201.12, 90.156.201.17... |
| AAAA | 4 | 2a00:15f8:a000:5:1:12:5:5b2e, 2a00:15f8:a000:5:1:11:5:5b2e... |
| NS | 3 | ns.masterhost.ru, ns1.masterhost.ru... |
| MX | 1 | mx4.masterhost.ru (pri: 10) |
| SOA | 1 | ns1.masterhost.ru hostmaster.masterhost. |
Analysis
IP Addresses
Eight IP numbers are pointed to by contextap.ru: 2a00:15f8:a000:5:1:11:5:5b2e, 2a00:15f8:a000:5:1:12:5:5b2e, 2a00:15f8:a000:5:1:13:5:5b2e, 2a00:15f8:a000:5:1:14:5:5b2e, 90.156.201.12, 90.156.201.17, 90.156.201.55 and 90.156.201.62.
Other host names, for instance auditorium-cg.ru, granitchina.ru, elens.ru, glassart.ru and gibrid.ru share IP numbers with contextap.ru.
Name Servers
contextap.ru delegates to three name servers: ns1.masterhost.ru, ns2.masterhost.ru and ns.masterhost.ru.
contextap.ru shares some name servers with other domains, for example taknado.ru, xo-club.net, yrao.ru, ewlon.ru and pro-gas.ru.
Host names with two IP numbers:
ns1.masterhost.ru: 2a00:15f8:a000:11:1:1:1:53 and 90.156.137.50
ns2.masterhost.ru: 2a00:15f8:a000:12:1:1:2:53 and 90.156.133.161
ns.masterhost.ru: 2a00:15f8:a000:10:1:1:0:53 and 90.156.136.116
Mail Servers
contextap.ru is handled by a single mail server, mx4.masterhost.ru.
contextap.ru shares the mail server setup with other domains, for example a-lpha.ru, mgzt.ru, atomic-audit.ru, izmk.ru and tsgru.com.
contextap.ru shares some mail servers with other domains at least partially, for instance geopolis.ru and granina.ru.
Host name mx4.masterhost.ru points to IP 90.156.133.179.