knowledgesystems.info - robtex.com
knowledgesystems.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=1774942246 | ||||||
Subdomains
mail.knowledgesystems.info |
Same first word
knowledgesystems.org |
knowledgesystems.info |
knowledgesystems.com.au |
knowledgesystems.nl |
DNS History
13 records (6 active, 7 former)
○NSa.prim-ns.de2015-07-15 → 2020-02-12 · 4 obs
● 2020-02-12 17:54:58
○ 2026-02-24 17:13:04
○ 2026-03-31 07:47:34
○NSa.sec-ns.de2015-07-15 → 2017-03-21 · 4 obs
● 2017-03-21 12:47:42
○ 2020-02-12 17:54:58
○ 2026-03-31 07:47:34
○NSa.sec-ns.net2020-02-12 → 2020-02-12 · 4 obs
● 2020-02-12 17:54:58
○ 2026-02-24 17:13:04
○ 2026-03-31 07:47:34
○NSb.sec-ns.de2015-07-15 → 2017-03-21 · 4 obs
● 2017-03-21 12:47:42
○ 2020-02-12 17:54:58
○ 2026-03-31 07:47:34
○NSc.sec-ns.de2015-07-15 → 2020-02-12 · 4 obs
● 2020-02-12 17:54:58
○ 2026-02-24 17:13:04
○ 2026-03-31 07:47:34
○NSm.sec-ns.de2020-02-12 → 2020-02-12 · 4 obs
● 2020-02-12 17:54:58
○ 2026-02-24 17:13:04
○ 2026-03-31 07:47:34
○NSn.sec-ns.net2020-02-12 → 2020-02-12 · 4 obs
● 2020-02-12 17:54:58
○ 2026-02-24 17:13:04
○ 2026-03-31 07:47:34
●NSns1.gtt.net2026-02-24 → 2026-03-31 · 3 obs
● 2026-02-24 17:13:04
● 2026-03-31 07:47:34
●NSns2.gtt.net2026-02-24 → 2026-03-31 · 3 obs
● 2026-02-24 17:13:04
● 2026-03-31 07:47:34
●NSns3.gtt.net2026-02-24 → 2026-03-31 · 3 obs
● 2026-02-24 17:13:04
● 2026-03-31 07:47:34
●MXmail.knowledgesystems.info2015-07-15 → 2026-03-31 · 2 obs
● 2026-03-31 07:47:34
●MXnoc.mx.easynet.net2015-07-15 → 2026-03-31 · 2 obs
● 2026-03-31 07:47:34
●MXtele.mx.easynet.net2015-07-15 → 2026-03-31 · 2 obs
● 2026-03-31 07:47:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| info | a0.info.afilias-nst.info, c0.info.afilias-nst.info, a2.info.afilias-nst.info | - |
| knowledgesystems.info | ns1.gtt.net, ns3.gtt.net, ns2.gtt.net | - |
✅ Authoritative Response
Server:77.67.56.118
NS records: ns1.gtt.net, ns3.gtt.net, ns2.gtt.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for knowledgesystems.info (unsigned zone)
⏱️ Timing
Total: 515ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns1.gtt.net, ns3.gtt.net... |
| MX | 3 | noc.mx.easynet.net (pri: 20), mail.knowledgesystems.info (pri: 10)... |
| SOA | 1 | ns1.gtt.net hostmaster.gtt.net |
Analysis
Hierarchy
knowledgesystems.info is the parent of mail.knowledgesystems.info.
Name Servers
knowledgesystems.info delegates to three name servers: ns1.gtt.net, ns2.gtt.net and ns3.gtt.net.
knowledgesystems.info shares some name servers with other domains, for example 127.217.206.in-addr.arpa, 87.172.195.in-addr.arpa, 73.3.69.in-addr.arpa, 219.26.69.in-addr.arpa and vincibamnuttall.co.uk.
these name servers are often used with ns0.easynet.co.uk, ns1.easynet.co.uk, soa0.airband.net, soa1.airband.net, ns1.ipnetzone.com, ns2.ipnetzone.com, dns0.easynet.be, dns1.easynet.be, dns2.easynet.be and dns3.easynet.be.
Host names with a single IP: ns1.gtt.net points to 208.77.65.118; ns2.gtt.net points to 77.67.56.118; ns3.gtt.net points to 199.116.149.29.
Mail Servers
knowledgesystems.info is handled by three mail servers: mail.knowledgesystems.info, noc.mx.easynet.net and tele.mx.easynet.net.
knowledgesystems.info shares some mail servers with other domains, at least partially; for instance elementus.co.uk, themacmasteragency.com, addison-mcgrath.co.uk, adwest.org and richemontdb.com.
these mail servers are commonly used alongside mail servers in.mx.uk.easynet.net, mx1.mail.uk.easynet.net, mx2.mail.uk.easynet.net, mx3.mail.uk.easynet.net, mx0.mail.uk.easynet.net, fuea.mail.easynet.net, forwarder.mail.uk.easynet.net, mail.elementus.co.uk and mail.themacmasteragency.com.
Host names with four IP numbers:
noc.mx.easynet.net points to: 212.135.6.129, 212.135.6.130, 212.135.6.131 and 212.135.6.132.
tele.mx.easynet.net points to: 212.135.6.129, 212.135.6.130, 212.135.6.131 and 212.135.6.132.
Host names with one IP number:
mail.knowledgesystems.info points to: 217.205.174.135.
Host names that point to 212.135.6.129: noc.mx.easynet.net and tele.mx.easynet.net.
Host names that point to 212.135.6.130: noc.mx.easynet.net and tele.mx.easynet.net.
Host names that point to 212.135.6.131: noc.mx.easynet.net and tele.mx.easynet.net.
Host names that point to 212.135.6.132: noc.mx.easynet.net and tele.mx.easynet.net.