knowledge.info - dns.ninja
knowledge.info
info
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.info.afilias-nst.info ⭐ | ||||||
| NS | a2.info.afilias-nst.info | ||||||
| NS | b0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | b2.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | c0.info.afilias-nst.info | ||||||
| NS | d0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| SOA | a0.info.afilias-nst.infohostmaster@donuts.email serial=1785219986 | ||||||
Subdomains
www.knowledge.info |
Same first word
Similar names
DNS History
12 records (5 active, 7 former)
○NSns1.serverstack.com2015-08-23 → 2016-10-12 · 4 obs
● 2016-10-12 23:36:34
○ 2026-03-26 03:56:14
○ 2026-07-28 06:56:20
○NSns2.serverstack.com2015-08-23 → 2016-10-12 · 4 obs
● 2016-10-12 23:36:34
○ 2026-03-26 03:56:14
○ 2026-07-28 06:56:20
○NSns3.serverstack.com2015-08-23 → 2016-10-12 · 4 obs
● 2016-10-12 23:36:34
○ 2026-03-26 03:56:14
○ 2026-07-28 06:56:20
○NSns4.serverstack.com2015-08-23 → 2016-10-12 · 4 obs
● 2016-10-12 23:36:34
○ 2026-03-26 03:56:14
○ 2026-07-28 06:56:20
●NSns73.domaincontrol.com2026-03-26 → 2026-07-28 · 3 obs
● 2026-03-26 03:56:14
● 2026-07-28 06:56:20
●NSns74.domaincontrol.com2026-03-26 → 2026-07-28 · 3 obs
● 2026-03-26 03:56:14
● 2026-07-28 06:56:20
●MXknowledge-info.mail.protection.outlook.com2026-03-26 → 2026-07-28 · 3 obs
● 2026-03-26 03:56:14
● 2026-07-28 06:56:20
○MXmailstore1.secureserver.net2015-08-23 → 2016-10-12 · 4 obs
● 2016-10-12 23:36:34
○ 2026-03-26 03:56:14
○ 2026-07-28 06:56:20
○MXsmtp.secureserver.net2015-08-23 → 2016-10-12 · 4 obs
● 2016-10-12 23:36:34
○ 2026-03-26 03:56:14
○ 2026-07-28 06:56:20
●A15.197.225.1282026-03-26 → 2026-07-28 · 3 obs
● 2026-03-26 03:56:14
● 2026-07-28 06:56:20
●A3.33.251.1682026-03-26 → 2026-07-28 · 3 obs
● 2026-03-26 03:56:14
● 2026-07-28 06:56:20
○A69.55.48.992015-08-23 → 2016-10-12 · 4 obs
● 2016-10-12 23:36:34
○ 2026-03-26 03:56:14
○ 2026-07-28 06:56:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| info | a0.info.afilias-nst.info, a2.info.afilias-nst.info, c0.info.afilias-nst.info | - |
| knowledge.info | ns73.domaincontrol.com, ns74.domaincontrol.com | - |
✅ Authoritative Response
Server:173.201.74.47
NS records: ns73.domaincontrol.com, ns74.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for knowledge.info (unsigned zone)
⏱️ Timing
Total: 596ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 3.33.251.168, 15.197.225.128 |
| NS | 2 | ns74.domaincontrol.com, ns73.domaincontrol.com |
| MX | 1 | knowledge-info.mail.protection.outlook.c |
| TXT | 2 | v=spf1 include:secureserver.net -all, NETORG15199638.onmicrosoft.com |
| SOA | 1 | ns73.domaincontrol.com dns.jomax.net |
Analysis
Hierarchy
www.knowledge.info is delegated beneath knowledge.info.
IP Addresses
knowledge.info points to the IP addresses 3.33.251.168 and 15.197.225.128
Among the host names that share IP numbers with knowledge.info are otrends.com, smartstorageideas.com, rbuf.org and two others.
Name Servers
knowledge.info has two authoritative name servers — ns73.domaincontrol.com and ns74.domaincontrol.com.
knowledge.info has the same name server delegation as a number of other domains, such as fluxbroadcast.com, artaxis.in, thebb.biz and two more.
Both ns73.domaincontrol.com and ns74.domaincontrol.com have two IP addresses each. ns73.domaincontrol.com resolves to 97.74.106.47 and 2603:5:21a4::2f; ns74.domaincontrol.com resolves to 173.201.74.47 and 2603:5:22a4::2f.
Mail Servers
knowledge.info routes its mail through a single mail server, knowledge-info.mail.protection.outlook.com.
knowledge-info.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.144.0, 52.101.144.3 and 52.101.145.0, along with 5 other.