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=1781316646 | ||||||
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
○ 2026-06-13 02:36:22
○NSns2.serverstack.com2015-08-23 → 2016-10-12 · 4 obs
● 2016-10-12 23:36:34
○ 2026-03-26 03:56:14
○ 2026-06-13 02:36:22
○NSns3.serverstack.com2015-08-23 → 2016-10-12 · 4 obs
● 2016-10-12 23:36:34
○ 2026-03-26 03:56:14
○ 2026-06-13 02:36:22
○NSns4.serverstack.com2015-08-23 → 2016-10-12 · 4 obs
● 2016-10-12 23:36:34
○ 2026-03-26 03:56:14
○ 2026-06-13 02:36:22
●NSns73.domaincontrol.com2026-03-26 → 2026-06-13 · 3 obs
● 2026-03-26 03:56:14
● 2026-06-13 02:36:22
●NSns74.domaincontrol.com2026-03-26 → 2026-06-13 · 3 obs
● 2026-03-26 03:56:14
● 2026-06-13 02:36:22
●MXknowledge-info.mail.protection.outlook.com2026-03-26 → 2026-06-13 · 3 obs
● 2026-03-26 03:56:14
● 2026-06-13 02:36:22
○MXmailstore1.secureserver.net2015-08-23 → 2016-10-12 · 4 obs
● 2016-10-12 23:36:34
○ 2026-03-26 03:56:14
○ 2026-06-13 02:36:22
○MXsmtp.secureserver.net2015-08-23 → 2016-10-12 · 4 obs
● 2016-10-12 23:36:34
○ 2026-03-26 03:56:14
○ 2026-06-13 02:36:22
●A15.197.225.1282026-03-26 → 2026-06-13 · 3 obs
● 2026-03-26 03:56:14
● 2026-06-13 02:36:22
●A3.33.251.1682026-03-26 → 2026-06-13 · 3 obs
● 2026-03-26 03:56:14
● 2026-06-13 02:36:22
○A69.55.48.992015-08-23 → 2016-10-12 · 4 obs
● 2016-10-12 23:36:34
○ 2026-03-26 03:56:14
○ 2026-06-13 02:36:22
🔍 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: 2098ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 15.197.225.128, 3.33.251.168 |
| NS | 2 | ns73.domaincontrol.com, ns74.domaincontrol.com |
| MX | 1 | knowledge-info.mail.protection.outlook.c |
| TXT | 2 | NETORG15199638.onmicrosoft.com, v=spf1 include:secureserver.net -all |
| SOA | 1 | ns73.domaincontrol.com dns.jomax.net |
Analysis
Hierarchy
www.knowledge.info is delegated beneath knowledge.info.
IP Addresses
knowledge.info points to two IP numbers: 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.