it-master.su - robtex.com
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it-master.su
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.236.136.157🇷🇺 WEBHOST1-AS | ||||||
| PTR | s137.webhost1.ru | ||||||
| NS | ns1.webhost1.com ⭐ | ||||||
| A | 2a0a:8d80:0:a000::aa🇷🇺 WEBHOST1-AS | ||||||
| PTR | ns1.webhost1.com | ||||||
| A | 185.179.188.2🇷🇺 WEBHOST1-AS | ||||||
| PTR | ns1.webhost1.com | ||||||
| NS | ns2.webhost1.com | ||||||
| A | 2a0a:8d80:0:a000::bb🇷🇺 WEBHOST1-AS | ||||||
| PTR | ns2.webhost1.com | ||||||
| A | 185.179.189.202🇷🇺 WEBHOST1-AS | ||||||
| PTR | ns2.webhost1.com | ||||||
| NS | ns3.webhost1.org | ||||||
| A | 2a0a:8d80:0:a000::aa🇷🇺 WEBHOST1-AS | ||||||
| PTR | ns1.webhost1.com | ||||||
| A | 185.179.188.2🇷🇺 WEBHOST1-AS | ||||||
| PTR | ns1.webhost1.com | ||||||
| NS | ns4.webhost1.org | ||||||
| A | 2a0a:8d80:0:a000::bb🇷🇺 WEBHOST1-AS | ||||||
| PTR | ns2.webhost1.com | ||||||
| A | 185.179.189.202🇷🇺 WEBHOST1-AS | ||||||
| PTR | ns2.webhost1.com | ||||||
| MX | mail.it-master.su ⭐ | ||||||
| A | 91.236.136.157🇷🇺 WEBHOST1-AS | ||||||
| PTR | s137.webhost1.ru | ||||||
| TXT | v=spf1 ip4:91.236.136.157 a mx -all | ||||||
| SOA | ns1.webhost1.comtech@webhost1.com 2025-11-13 #6 | ||||||
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=650208017 | ||||||
Up
mail.it-master.su |
Same first word
Similar names
DNS History
14 records (6 active, 8 former)
○NSns1.first-ns.de2016-03-06 → 2017-03-28 · 4 obs
● 2016-03-06 15:42:42
● 2017-03-28 13:11:20
○ 2026-02-15 01:04:36
○NSns1.hostline.ru2015-07-25 → 2015-11-25 · 4 obs
● 2015-11-25 12:57:44
○ 2016-03-06 15:42:42
○ 2026-02-15 01:04:36
●NSns1.webhost1.com2026-02-15 → 2026-02-15 · 2 obs
● 2026-02-15 01:04:36
○NSns2.hostline.ru2015-07-25 → 2015-11-25 · 4 obs
● 2015-11-25 12:57:44
○ 2016-03-06 15:42:42
○ 2026-02-15 01:04:36
●NSns2.webhost1.com2026-02-15 → 2026-02-15 · 2 obs
● 2026-02-15 01:04:36
●NSns3.webhost1.org2026-02-15 → 2026-02-15 · 2 obs
● 2026-02-15 01:04:36
●NSns4.webhost1.org2026-02-15 → 2026-02-15 · 2 obs
● 2026-02-15 01:04:36
○NSrobotns2.second-ns.de2016-03-06 → 2017-03-28 · 4 obs
● 2016-03-06 15:42:42
● 2017-03-28 13:11:20
○ 2026-02-15 01:04:36
○NSrobotns3.second-ns.com2016-03-06 → 2017-03-28 · 4 obs
● 2016-03-06 15:42:42
● 2017-03-28 13:11:20
○ 2026-02-15 01:04:36
●MXmail.it-master.su2015-07-25 → 2026-02-15 · 5 obs
● 2015-11-25 12:57:44
○ 2016-03-06 15:42:42
○ 2017-03-28 13:11:20
● 2026-02-15 01:04:36
○MXmx.yandex.net2016-03-06 → 2017-03-28 · 4 obs
● 2016-03-06 15:42:42
● 2017-03-28 13:11:20
○ 2026-02-15 01:04:36
○A78.47.53.2032016-03-06 → 2017-03-28 · 4 obs
● 2016-03-06 15:42:42
● 2017-03-28 13:11:20
○ 2026-02-15 01:04:36
○A83.69.230.162015-07-25 → 2015-11-25 · 4 obs
● 2015-11-25 12:57:44
○ 2016-03-06 15:42:42
○ 2026-02-15 01:04:36
●A91.236.136.1572026-02-15 → 2026-02-15 · 2 obs
● 2026-02-15 01:04:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | b.dns.ripn.net, e.dns.ripn.net, a.dns.ripn.net, d.dns.ripn.net... | 10 records |
| it-master.su | ns3.webhost1.org, ns4.webhost1.org, ns1.webhost1.com, ns2.webhost1.com | - |
✅ Authoritative Response
Server: 185.179.188.2
NS records: ns3.webhost1.org, ns4.webhost1.org, ns1.webhost1.com, ns2.webhost1.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for it-master.su (unsigned zone)
⏱️ Timing
Total: 1867ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.236.136.157 |
| NS | 4 | ns4.webhost1.org, ns1.webhost1.com... |
| MX | 1 | mail.it-master.su (pri: 10) |
| TXT | 1 | v=spf1 ip4:91.236.136.157 a mx -all |
| SOA | 1 | ns1.webhost1.com tech.webhost1.com |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (b.dns.ripn.net, b.dns.ripn.net, e.dns.ripn.net...)
AI analysis
it-master.su is parent of mail.it-master.su.
it-master.su points to a single IP: 91.236.136.157.
Other host names, for instance mail.doma.md, propest.ru, mail.tks-lk.ru, mail.astomaplast.ru and mail.xn----7sbaaqtclmo9dkoc4k.xn--p1ai share IP numbers with it-master.su.
it-master.su is delegated to four name servers: ns1.webhost1.com, ns2.webhost1.com, ns3.webhost1.org and ns4.webhost1.org.
it-master.su at least partially shares its name servers with other domains, for instance bloomingcake.ru, aikidokrasnodar.ru, master-direct.ru, intertouch.ru and okarkase.ru.
These name servers are commonly used with ns1.webhost1.ru, ns2.webhost1.ru, cp2.webhost1.com, ns3.webhost1.net, ns4.webhost1.net, ns1.webhost1.org and ns2.webhost1.org.
Hostnames with two IPs:
The host name ns1.webhost1.com points to: 2a0a:8d80:0:a000::aa and 185.179.188.2
The host name ns2.webhost1.com points to: 2a0a:8d80:0:a000::bb and 185.179.189.202
The host name ns3.webhost1.org points to: 2a0a:8d80:0:a000::aa and 185.179.188.2
The host name ns4.webhost1.org points to: 2a0a:8d80:0:a000::bb and 185.179.189.202
Hostnames that point to 2a0a:8d80:0:a000::aa : ns1.webhost1.com and ns3.webhost1.org
Hostnames that point to 185.179.188.2 : ns1.webhost1.com and ns3.webhost1.org
Hostnames that point to 2a0a:8d80:0:a000::bb : ns2.webhost1.com and ns4.webhost1.org
Hostnames that point to 185.179.189.202 : ns2.webhost1.com and ns4.webhost1.org
it-master.su is served by a single mail server, mail.it-master.su.
mail.it-master.su points to IP number 91.236.136.157.