knowledgecore.com - dns.ninja
knowledgecore.com
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=1785315572 | ||||||
Same first word
Similar names
DNS History
16 records (9 active, 7 former)
○NSns1.sedoparking.com2015-07-19 → 2018-08-05 · 4 obs
● 2018-08-05 14:34:16
○ 2026-03-25 12:34:58
○ 2026-07-29 09:19:22
○NSns2.sedoparking.com2015-07-19 → 2018-08-05 · 4 obs
● 2018-08-05 14:34:16
○ 2026-03-25 12:34:58
○ 2026-07-29 09:19:22
●NSns71.domaincontrol.com2026-03-25 → 2026-07-29 · 3 obs
● 2026-03-25 12:34:58
● 2026-07-29 09:19:22
●NSns72.domaincontrol.com2026-03-25 → 2026-07-29 · 3 obs
● 2026-03-25 12:34:58
● 2026-07-29 09:19:22
●MXalt1.aspmx.l.google.com2026-03-25 → 2026-07-29 · 3 obs
● 2026-03-25 12:34:58
● 2026-07-29 09:19:22
●MXalt2.aspmx.l.google.com2026-03-25 → 2026-07-29 · 3 obs
● 2026-03-25 12:34:58
● 2026-07-29 09:19:22
●MXalt3.aspmx.l.google.com2026-03-25 → 2026-07-29 · 3 obs
● 2026-03-25 12:34:58
● 2026-07-29 09:19:22
●MXalt4.aspmx.l.google.com2026-03-25 → 2026-07-29 · 3 obs
● 2026-03-25 12:34:58
● 2026-07-29 09:19:22
●MXaspmx.l.google.com2026-03-25 → 2026-07-29 · 3 obs
● 2026-03-25 12:34:58
● 2026-07-29 09:19:22
○MXlocalhost2017-01-09 → 2017-01-09 · 4 obs
● 2017-01-09 06:16:38
○ 2018-08-05 14:34:16
○ 2026-07-29 09:19:22
○MXlocalhost.mx.*2018-08-05 → 2018-08-05 · 4 obs
● 2018-08-05 14:34:16
○ 2026-03-25 12:34:58
○ 2026-07-29 09:19:22
○MXmail.nickstel.com2015-07-19 → 2016-04-30 · 4 obs
● 2016-04-30 05:20:00
○ 2017-01-09 06:16:38
○ 2026-07-29 09:19:22
●A15.197.148.332026-03-25 → 2026-07-29 · 3 obs
● 2026-03-25 12:34:58
● 2026-07-29 09:19:22
●A3.33.130.1902026-03-25 → 2026-07-29 · 3 obs
● 2026-03-25 12:34:58
● 2026-07-29 09:19:22
○A72.52.4.1192018-08-05 → 2018-08-05 · 4 obs
● 2018-08-05 14:34:16
○ 2026-03-25 12:34:58
○ 2026-07-29 09:19:22
○A72.52.4.912015-07-19 → 2017-01-09 · 4 obs
● 2017-01-09 06:16:38
○ 2018-08-05 14:34:16
○ 2026-07-29 09:19:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net... | - |
| knowledgecore.com | ns71.domaincontrol.com, ns72.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.73.46
NS records: ns71.domaincontrol.com, ns72.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for knowledgecore.com (unsigned zone)
⏱️ Timing
Total: 193ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 3.33.130.190, 15.197.148.33 |
| NS | 2 | ns71.domaincontrol.com, ns72.domaincontrol.com |
| MX | 5 | aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)... |
| TXT | 2 | v=spf1 include:dc-aa8e722993._spfm.knowl, google-site-verification=THDsvf7NbROF1uW |
| SOA | 1 | ns71.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns71.domaincontrol.com, ns71.domaincontrol.com, ns72.domaincontrol.com...)
Analysis
IP Addresses
knowledgecore.com resolves to the IP addresses 3.33.130.190 and 15.197.148.33
webkorners.ca, geandme.com, dysdata.com and two other host names share IP numbers with knowledgecore.com.
Name Servers
knowledgecore.com is delegated to two name servers: ns71.domaincontrol.com and ns72.domaincontrol.com.
knowledgecore.com uses the same name servers as several other domains — among them solanoinspections.com, getmobile.us, samuelhole.com and two more.
knowledgecore.com shares at least some of its name servers with other domains, such as mortgageconciergeservice.com.
ns71.domaincontrol.com and ns72.domaincontrol.com each resolve to two IP addresses: ns71.domaincontrol.com points to 97.74.105.46 and 2603:5:2194::2e, while ns72.domaincontrol.com points to 173.201.73.46 and 2603:5:2294::2e.
Mail Servers
knowledgecore.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
knowledgecore.com has at least partial mail server overlap with other domains such as prfellowship.ca, itiz.edu.co, ns500699.ns500765.ns500734.ns500693.ns500693.ns500693.ns500699.ns500699.ns500588.ns500699.ns500683.ns500612.dtrkdll.com and two more.
These mail servers commonly co-occur with mail servers alt4.aspmx.l.google.com, alt3.aspmx.l.google.com, aspmx2.googlemail.com and 3 others.
Hostnames that resolve to two IP addresses:
aspmx.l.google.com points to 172.253.62.26 and 2607:f8b0:4004:c07::1b.
alt1.aspmx.l.google.com points to 108.177.123.27 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com points to 172.253.116.26 and 2a00:1450:400b:c02::1a.
alt3.aspmx.l.google.com points to 192.178.223.27 and 2a00:1450:4009:c0f::1a.
alt4.aspmx.l.google.com points to 172.253.157.26 and 2a00:1450:400c:c23::1b.