it-doc.su - dns.ninja
it-doc.su
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.105.117.55🇷🇺 I-SERVERS-EAST185.105.117.0/24 | ||||||
| PTR | web31-isp.ihor-hosting.com | ||||||
| NS | web31-isp ⭐ | ||||||
| NS | ns1.ihordns.net | ||||||
| A | 5.252.116.8🇷🇺 I-SERVERS-NORTH-EU5.252.116.0/24 | ||||||
| PTR | ns1.ihordns.net | ||||||
| NS | ns2.ihordns.net | ||||||
| A | 45.89.64.5🇷🇺 I-SERVERS-NORTH-EU45.89.64.0/24 | ||||||
| MX | mail.it-doc.su(20) | ||||||
| A | 185.105.117.55🇷🇺 I-SERVERS-EAST185.105.117.0/24 | ||||||
| PTR | web31-isp.ihor-hosting.com | ||||||
| TXT | v=spf1 ip4:185.105.117.55 a mx ~all | ||||||
| SOA | web31-isproot@example.com 2026-02-04 #10 | ||||||
su
| 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=650210128 | ||||||
Subdomains
mail.it-doc.su |
Same first word
Similar names
tid-co.com |
iot-dc.com |
doc-it.de |
doc-it.ch |
cdi-ot.com |
doc-it.es |
tic-do.com |
itc-do.de |
dot-ic.com |
do-ict.com |
ito-dc.com |
dti-co.com |
doc-it.net |
doc-it.com |
dc-ito.com |
DNS History
9 records (5 active, 4 former)
○NSns.you-online-dns.net2016-01-26 → 2017-01-04 · 4 obs
● 2017-01-04 09:41:14
○ 2026-03-08 14:22:34
○ 2026-08-08 01:34:52
●NSns1.ihordns.net2026-03-08 → 2026-08-08 · 3 obs
● 2026-03-08 14:22:34
● 2026-08-08 01:34:52
○NSns1.you-online-dns.net2016-01-26 → 2017-01-04 · 4 obs
● 2017-01-04 09:41:14
○ 2026-03-08 14:22:34
○ 2026-08-08 01:34:52
●NSns2.ihordns.net2026-03-08 → 2026-08-08 · 3 obs
● 2026-03-08 14:22:34
● 2026-08-08 01:34:52
●NSweb31-isp2026-03-08 → 2026-08-08 · 3 obs
● 2026-03-08 14:22:34
● 2026-08-08 01:34:52
●MXmail.it-doc.su2016-01-26 → 2026-08-08 · 2 obs
● 2026-08-08 01:34:52
○MXmail2.it-doc.su2016-01-26 → 2017-01-04 · 4 obs
● 2017-01-04 09:41:14
○ 2026-03-08 14:22:34
○ 2026-08-08 01:34:52
●A185.105.117.552026-03-08 → 2026-08-08 · 3 obs
● 2026-03-08 14:22:34
● 2026-08-08 01:34:52
○A193.161.85.32016-01-26 → 2017-01-04 · 4 obs
● 2017-01-04 09:41:14
○ 2026-03-08 14:22:34
○ 2026-08-08 01:34:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | b.dns.ripn.net, e.dns.ripn.net, c.tld-servers.ru, a.dns.ripn.net... | 12 records |
| it-doc.su | ns1.ihordns.net, ns2.ihordns.net | - |
✅ Authoritative Response
Server:45.89.64.5
NS records: ns1.ihordns.net, ns2.ihordns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for it-doc.su (unsigned zone)
⏱️ Timing
Total: 1114ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.105.117.55 |
| NS | 2 | ns1.ihordns.net, ns2.ihordns.net |
| MX | 2 | mail.it-doc.su (pri: 20), mail.it-doc.su (pri: 10) |
| TXT | 1 | v=spf1 ip4:185.105.117.55 a mx ~all |
| SOA | 1 | web31-isp root.example.com |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (b.dns.ripn.net, b.dns.ripn.net, e.dns.ripn.net...)
Analysis
Hierarchy
The domain mail.it-doc.su falls under the parent it-doc.su.
IP Addresses
it-doc.su has exactly one IP address — 185.105.117.55.
ppp-211.dialup.ipc.ru, mail.france-japan.ru, adamasttt.ru plus two other host names have IP numbers in common with it-doc.su.
Name Servers
it-doc.su is delegated to three name servers: web31-isp, ns1.ihordns.net and ns2.ihordns.net.
At least some of it-doc.su's name servers are shared with other domains, for example ocenkaecos.ru, loress.ru, stamps-collecting.ru and two more.
These name servers tend to co-occur with web2.ihor-hosting.ru, ip.ihor-hosting.ru, web.ihor-hosting.ru and 4 other name servers in the same DNS delegations.
Each of ns1.ihordns.net and ns2.ihordns.net has one IP address: ns1.ihordns.net uses 5.252.116.8 and ns2.ihordns.net uses 45.89.64.5.
Mail Servers
it-doc.su uses one mail server — mail.it-doc.su.
mail.it-doc.su resolves to a single IP number: 185.105.117.55.