topknowledge.com - dns.ninja
topknowledge.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns3.afternic.com ⭐ | ||||||
| A | 97.74.98.65🇺🇸 GODADDY-DNS97.74.98.0/23 | ||||||
| PTR | ns3.afternic.com | ||||||
| NS | ns4.afternic.com | ||||||
| A | 173.201.66.65🇺🇸 GODADDY-DNS173.201.66.0/23 | ||||||
| PTR | ns4.namefind.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns3.afternic.comdns@jomax.net 2025-10-01 #0 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1782367375 | ||||||
Subdomains
mail.topknowledge.com |
Same first word
topknowledge.com |
topknowledge.ru |
DNS History
10 records (4 active, 6 former)
○NSns1.sedoparking.com2015-07-20 → 2020-01-02 · 4 obs
● 2020-01-02 12:20:36
○ 2026-03-31 23:29:32
○ 2026-06-25 06:14:34
○NSns2.sedoparking.com2015-07-20 → 2020-01-02 · 4 obs
● 2020-01-02 12:20:36
○ 2026-03-31 23:29:32
○ 2026-06-25 06:14:34
●NSns3.afternic.com2026-03-31 → 2026-06-25 · 3 obs
● 2026-03-31 23:29:32
● 2026-06-25 06:14:34
●NSns4.afternic.com2026-03-31 → 2026-06-25 · 3 obs
● 2026-03-31 23:29:32
● 2026-06-25 06:14:34
○MXlocalhost2017-02-15 → 2020-01-02 · 5 obs
● 2017-02-15 16:45:30
● 2020-01-02 12:20:36
○ 2026-03-31 23:29:32
○ 2026-06-25 06:14:34
○MXmail.nickstel.com2015-07-20 → 2016-06-28 · 4 obs
● 2016-06-28 10:46:22
○ 2017-02-15 16:45:30
○ 2026-06-25 06:14:34
●A13.248.169.482026-03-31 → 2026-06-25 · 3 obs
● 2026-03-31 23:29:32
● 2026-06-25 06:14:34
○A72.52.4.1192015-07-20 → 2017-02-15 · 4 obs
● 2017-02-15 16:45:30
○ 2020-01-02 12:20:36
○ 2026-06-25 06:14:34
●A76.223.54.1462026-03-31 → 2026-06-25 · 3 obs
● 2026-03-31 23:29:32
● 2026-06-25 06:14:34
○A91.195.240.1262020-01-02 → 2020-01-02 · 4 obs
● 2020-01-02 12:20:36
○ 2026-03-31 23:29:32
○ 2026-06-25 06:14:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| topknowledge.com | ns3.afternic.com, ns4.afternic.com | 2 records |
✅ Authoritative Response
Server:173.201.66.65
NS records: ns3.afternic.com, ns4.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for topknowledge.com (unsigned zone)
⏱️ Timing
Total: 84ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 13.248.169.48, 76.223.54.146 |
| NS | 2 | ns3.afternic.com, ns4.afternic.com |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns3.afternic.com dns.jomax.net |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns3.afternic.com, ns4.afternic.com)
Analysis
Hierarchy
mail.topknowledge.com is delegated beneath topknowledge.com.
IP Addresses
topknowledge.com has two IP addresses: 13.248.169.48 and 76.223.54.146
tvandfilm.com, abmis.com, arabiccaligraphy.com and two other host names share IP numbers with topknowledge.com.
Name Servers
DNS delegation for topknowledge.com points to two name servers: ns3.afternic.com and ns4.afternic.com.
topknowledge.com uses the same name servers as several other domains — among them wellsfargo.cozeh.com, geekcyber.com, www.winsgoal.com and two more.
There is at least partial name server overlap between topknowledge.com and other domains — udinese.com, btk.co, covex.co and two more among them.
The name servers verification-frsgyqgb387khmr9jzuunx.ns101.verify.hn, verification-2hupcltk6hmfcmoczls2f5.ns101.verify.hn and verification-zbrr88zn3efxu6xznzdyw8.ns101.verify.hn are often found in combination with these name servers.
ns3.afternic.com → 97.74.98.65 and ns4.afternic.com → 173.201.66.65: one IP number per host name.