topknowledge.ru - dns.ninja
topknowledge.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 67.225.252.148🇺🇸 LiquidWeb67.225.128.0/17 Liquidweb Inc | ||||||
| PTR | host.gudzondns.net | ||||||
| NS | ns1.gudzondns.net ⭐ | ||||||
| A | 67.225.252.148🇺🇸 LiquidWeb67.225.128.0/17 Liquidweb Inc | ||||||
| PTR | host.gudzondns.net | ||||||
| NS | ns2.gudzondns.net | ||||||
| A | 67.225.252.149🇺🇸 LiquidWeb67.225.128.0/17 Liquidweb Inc | ||||||
| PTR | host.gudzondns.net | ||||||
| MX | topknowledge.ru ⭐ | ||||||
| A | 67.225.252.148🇺🇸 LiquidWeb67.225.128.0/17 Liquidweb Inc | ||||||
| PTR | host.gudzondns.net | ||||||
| SOA | ns1.gudzondns.netdevnull@sourcedns.com 2026-07-07 #1 | ||||||
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=4069931 | ||||||
MX for
topknowledge.ru |
Previously MX for
www.topknowledge.ru |
Subdomains
www.topknowledge.ru |
Same first word
topknowledge.com |
topknowledge.ru |
DNS History
8 records (4 active, 4 former)
●NSns1.gudzondns.net2015-08-26 → 2026-08-10 · 6 obs
● 2016-04-08 04:56:38
○ 2016-04-20 00:07:58
○ 2016-10-25 12:08:52
● 2026-02-18 15:28:02
● 2026-08-10 03:07:50
○NSns10.gudzonserver.com2016-04-20 → 2016-10-25 · 5 obs
● 2016-04-20 00:07:58
● 2016-10-25 12:08:52
○ 2026-02-18 15:28:02
○ 2026-08-10 03:07:50
●NSns2.gudzondns.net2015-08-26 → 2026-08-10 · 6 obs
● 2016-04-08 04:56:38
○ 2016-04-20 00:07:58
○ 2016-10-25 12:08:52
● 2026-02-18 15:28:02
● 2026-08-10 03:07:50
○NSns9.gudzonserver.com2016-04-20 → 2016-10-25 · 5 obs
● 2016-04-20 00:07:58
● 2016-10-25 12:08:52
○ 2026-02-18 15:28:02
○ 2026-08-10 03:07:50
●MXtopknowledge.ru2015-08-26 → 2026-08-10 · 2 obs
● 2026-08-10 03:07:50
○A67.225.136.462015-08-26 → 2016-04-08 · 4 obs
● 2016-04-08 04:56:38
○ 2016-04-20 00:07:58
○ 2026-08-10 03:07:50
●A67.225.252.1482026-02-18 → 2026-08-10 · 3 obs
● 2026-02-18 15:28:02
● 2026-08-10 03:07:50
○A78.46.48.2042016-04-20 → 2016-10-25 · 5 obs
● 2016-04-20 00:07:58
● 2016-10-25 12:08:52
○ 2026-02-18 15:28:02
○ 2026-08-10 03:07:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, c.tld-servers.ru, d.dns.ripn.net... | - |
| topknowledge.ru | ns2.gudzondns.net, ns1.gudzondns.net | - |
✅ Authoritative Response
Server:67.225.252.149
NS records: ns2.gudzondns.net, ns1.gudzondns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for topknowledge.ru (unsigned zone)
⏱️ Timing
Total: 614ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 67.225.252.148 |
| NS | 2 | ns2.gudzondns.net, ns1.gudzondns.net |
| MX | 1 | topknowledge.ru (pri: 0) |
| SOA | 1 | ns1.gudzondns.net devnull.sourcedns.com |
Analysis
Hierarchy
www.topknowledge.ru is delegated beneath topknowledge.ru.
Mail Server Role
topknowledge.ru is listed as a mail server for itself.
IP Addresses
topknowledge.ru resolves to one IP address: 67.225.252.148.
ns1.yahonty-nedviwimost.ru, socsety.ru, angelok.info and two other host names share IP numbers with topknowledge.ru.
Name Servers
The NS records for topknowledge.ru delegate to ns1.gudzondns.net and ns2.gudzondns.net.
topknowledge.ru uses the same name servers as several other domains — among them vakula.net, statelog.com, royalne.com and two more.
There is at least partial name server overlap between topknowledge.ru and other domains — yahonty-nedviwimost.ru, gudzondomains.ru, podmoscovie.ru and two more among them.
These name servers regularly appear alongside ns1.gudzonserver.com, ns2.gudzonserver.com, ns3.gudzondns.net and 3 other name servers in NS record sets.
ns1.gudzondns.net → 67.225.252.148 and ns2.gudzondns.net → 67.225.252.149: one IP number per host name.
Mail Servers
Mail for topknowledge.ru is handled by one mail server — topknowledge.ru.
topknowledge.ru resolves to 67.225.252.148 and no other IP number.