istkom.su - robtex.com
istkom.su
su
| 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=650208492 | ||||||
Subdomains
www.istkom.su |
Same first word
Similar names
DNS History
23 records (12 active, 11 former)
●NSns.masterhost.ru2015-08-02 → 2026-03-25 · 2 obs
● 2026-03-25 03:32:28
●NSns1.masterhost.ru2015-08-02 → 2026-03-25 · 2 obs
● 2026-03-25 03:32:28
●NSns2.masterhost.ru2015-08-02 → 2026-03-25 · 2 obs
● 2026-03-25 03:32:28
●MXemx.mail.ru2026-03-05 → 2026-03-25 · 3 obs
● 2026-03-05 08:22:52
● 2026-03-25 03:32:28
○MXmail.transprom.su2015-08-02 → 2020-02-20 · 4 obs
● 2020-02-20 18:23:02
○ 2026-03-05 08:22:52
○ 2026-03-25 03:32:28
○A2a00:15f8:a000:5:1:11:4:db2c2015-08-02 → 2020-02-20 · 4 obs
● 2020-02-20 18:23:02
○ 2026-03-05 08:22:52
○ 2026-03-25 03:32:28
●A2a00:15f8:a000:5:1:11:7:c0062026-03-05 → 2026-03-25 · 3 obs
● 2026-03-05 08:22:52
● 2026-03-25 03:32:28
○A2a00:15f8:a000:5:1:12:4:db2c2015-08-02 → 2020-02-20 · 4 obs
● 2020-02-20 18:23:02
○ 2026-03-05 08:22:52
○ 2026-03-25 03:32:28
●A2a00:15f8:a000:5:1:12:7:c0062026-03-05 → 2026-03-25 · 3 obs
● 2026-03-05 08:22:52
● 2026-03-25 03:32:28
○A2a00:15f8:a000:5:1:13:4:db2c2015-08-02 → 2020-02-20 · 4 obs
● 2020-02-20 18:23:02
○ 2026-03-05 08:22:52
○ 2026-03-25 03:32:28
●A2a00:15f8:a000:5:1:13:7:c0062026-03-05 → 2026-03-25 · 3 obs
● 2026-03-05 08:22:52
● 2026-03-25 03:32:28
○A2a00:15f8:a000:5:1:14:4:db2c2015-08-02 → 2020-02-20 · 4 obs
● 2020-02-20 18:23:02
○ 2026-03-05 08:22:52
○ 2026-03-25 03:32:28
●A2a00:15f8:a000:5:1:14:7:c0062026-03-05 → 2026-03-25 · 3 obs
● 2026-03-05 08:22:52
● 2026-03-25 03:32:28
○A90.156.201.1082015-08-02 → 2020-02-20 · 4 obs
● 2020-02-20 18:23:02
○ 2026-03-05 08:22:52
○ 2026-03-25 03:32:28
○A90.156.201.1122020-02-20 → 2020-02-20 · 4 obs
● 2020-02-20 18:23:02
○ 2026-03-05 08:22:52
○ 2026-03-25 03:32:28
○A90.156.201.152015-08-02 → 2016-09-19 · 4 obs
● 2016-09-19 03:00:38
○ 2020-02-20 18:23:02
○ 2026-03-25 03:32:28
●A90.156.201.222026-03-05 → 2026-03-25 · 3 obs
● 2026-03-05 08:22:52
● 2026-03-25 03:32:28
○A90.156.201.282015-08-02 → 2016-09-19 · 4 obs
● 2016-09-19 03:00:38
○ 2020-02-20 18:23:02
○ 2026-03-25 03:32:28
●A90.156.201.512026-03-05 → 2026-03-25 · 3 obs
● 2026-03-05 08:22:52
● 2026-03-25 03:32:28
○A90.156.201.562015-08-02 → 2020-02-20 · 4 obs
● 2020-02-20 18:23:02
○ 2026-03-05 08:22:52
○ 2026-03-25 03:32:28
●A90.156.201.582026-03-05 → 2026-03-25 · 3 obs
● 2026-03-05 08:22:52
● 2026-03-25 03:32:28
○A90.156.201.712020-02-20 → 2020-02-20 · 4 obs
● 2020-02-20 18:23:02
○ 2026-03-05 08:22:52
○ 2026-03-25 03:32:28
●A90.156.201.992026-03-05 → 2026-03-25 · 3 obs
● 2026-03-05 08:22:52
● 2026-03-25 03:32:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | d.dns.ripn.net, a.dns.ripn.net, e.dns.ripn.net, f.dns.ripn.net... | 10 records |
| istkom.su | ns1.masterhost.ru, ns.masterhost.ru, ns2.masterhost.ru | - |
✅ Authoritative Response
Server:90.156.133.161
NS records: ns1.masterhost.ru, ns.masterhost.ru, ns2.masterhost.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for istkom.su (unsigned zone)
⏱️ Timing
Total: 1648ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 90.156.201.51, 90.156.201.58... |
| AAAA | 4 | 2a00:15f8:a000:5:1:11:7:c006, 2a00:15f8:a000:5:1:12:7:c006... |
| NS | 3 | ns1.masterhost.ru, ns.masterhost.ru... |
| MX | 1 | emx.mail.ru (pri: 10) |
| TXT | 2 | v=spf1 redirect=_spf.mail.ru, mailru-domain: DFyJYHfHqsCeJdrw |
| SOA | 1 | ns1.masterhost.ru hostmaster.masterhost. |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (f.dns.ripn.net, e.dns.ripn.net, d.dns.ripn.net...)
Analysis
Hierarchy
The parent of www.istkom.su is istkom.su.
IP Addresses
istkom.su points to the following eight IP numbers: 2a00:15f8:a000:5:1:11:7:c006, 2a00:15f8:a000:5:1:12:7:c006, 2a00:15f8:a000:5:1:13:7:c006, 2a00:15f8:a000:5:1:14:7:c006, 90.156.201.22, 90.156.201.51, 90.156.201.58 and 90.156.201.99.
Other host names, for instance akvaservis.ru, secur-it.ru, ls-magazine.mylivepage.ru, www.kctm.ru and plastmass.ru share IP numbers with istkom.su.
Name Servers
istkom.su is delegated to three name servers: ns1.masterhost.ru, ns2.masterhost.ru and ns.masterhost.ru.
istkom.su partially shares name servers with other domains; examples include principe-advocat.ru, mitro-tv.ru, bokendo.com, brox.ru and vsem-present.ru.
Host names with two IP numbers:
ns1.masterhost.ru points to 2a00:15f8:a000:11:1:1:1:53 and 90.156.137.50.
ns2.masterhost.ru points to 2a00:15f8:a000:12:1:1:2:53 and 90.156.133.161.
ns.masterhost.ru points to 2a00:15f8:a000:10:1:1:0:53 and 90.156.136.116.
Mail Servers
istkom.su is handled by a single mail server, emx.mail.ru.
istkom.su has the same mail server setup as other domains, including zoosklad.by, rukodelie-rostov.ru, cidk.ru, mypower.site and hrc-irk.ru.
istkom.su shares at least partially some mail servers with other domains, for instance 66.ru and ax-nsk.com.
Host emx.mail.ru resolves to two IPs: 94.100.180.180 and 217.69.139.180.