certifiedknowledge.net - dns.ninja
certifiedknowledge.net
net
| 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=1783952662 | ||||||
Previously MX for
certifiedknowledge.net |
Subdomains
Same first word
certifiedknowledge.net |
certifiedknowledge.org |
DNS History
13 records (8 active, 5 former)
○NSns1.certifiedknowledge.net2015-07-05 → 2017-03-14 · 4 obs
● 2017-03-14 01:43:16
○ 2020-02-24 16:25:40
○ 2026-07-13 14:39:56
●NSns1.siteground.net2026-02-25 → 2026-07-13 · 3 obs
● 2026-02-25 09:05:24
● 2026-07-13 14:39:56
●NSns1.us86.siteground.us2020-02-24 → 2026-07-13 · 3 obs
● 2020-02-24 16:25:40
● 2026-07-13 14:39:56
○NSns2.certifiedknowledge.net2015-07-05 → 2017-03-14 · 4 obs
● 2017-03-14 01:43:16
○ 2020-02-24 16:25:40
○ 2026-07-13 14:39:56
●NSns2.siteground.net2026-02-25 → 2026-07-13 · 3 obs
● 2026-02-25 09:05:24
● 2026-07-13 14:39:56
●NSns2.us86.siteground.us2020-02-24 → 2026-07-13 · 3 obs
● 2020-02-24 16:25:40
● 2026-07-13 14:39:56
○MXcertifiedknowledge.net2015-07-05 → 2017-03-14 · 4 obs
● 2017-03-14 01:43:16
○ 2020-02-24 16:25:40
○ 2026-07-13 14:39:56
●MXmx10.mailspamprotection.com2020-02-24 → 2026-07-13 · 3 obs
● 2020-02-24 16:25:40
● 2026-07-13 14:39:56
●MXmx20.mailspamprotection.com2020-02-24 → 2026-07-13 · 3 obs
● 2020-02-24 16:25:40
● 2026-07-13 14:39:56
●MXmx30.mailspamprotection.com2020-02-24 → 2026-07-13 · 3 obs
● 2020-02-24 16:25:40
● 2026-07-13 14:39:56
○A206.214.217.2302015-07-05 → 2017-03-14 · 4 obs
● 2017-03-14 01:43:16
○ 2020-02-24 16:25:40
○ 2026-07-13 14:39:56
○A35.208.72.2342020-02-24 → 2020-02-24 · 4 obs
● 2020-02-24 16:25:40
○ 2026-02-25 09:05:24
○ 2026-07-13 14:39:56
●A35.212.76.442026-02-25 → 2026-07-13 · 3 obs
● 2026-02-25 09:05:24
● 2026-07-13 14:39:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | j.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net, a.gtld-servers.net... | - |
| certifiedknowledge.net | ns1.us86.siteground.us, ns2.us86.siteground.us | - |
✅ Authoritative Response
Server:99.83.229.113
NS records: ns1.us86.siteground.us, ns2.us86.siteground.us
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for certifiedknowledge.net (unsigned zone)
⏱️ Timing
Total: 434ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 35.212.76.44 |
| NS | 2 | ns2.siteground.net, ns1.siteground.net |
| MX | 3 | mx30.mailspamprotection.com (pri: 30), mx10.mailspamprotection.com (pri: 10)... |
| TXT | 1 | v=spf1 +a +mx include:certifiedknowledge |
| SOA | 1 | ns1.siteground.net root.us86.siteground. |
Analysis
Hierarchy
The parent domain of ns1.certifiedknowledge.net and ns2.certifiedknowledge.net is certifiedknowledge.net.
IP Addresses
certifiedknowledge.net directs to one IP number, which is 35.212.76.44.
Among the host names that share IP numbers with certifiedknowledge.net are amazonaid.org, bgtheory.org, www.nancysyogurt.com and two others.
Name Servers
The domain certifiedknowledge.net is delegated to these four name servers: ns1.siteground.net, ns2.siteground.net, ns1.us86.siteground.us and ns2.us86.siteground.us.
certifiedknowledge.net has at least partial name server overlap with other domains, such as agire-assicurazioni.it, farmaceut.hr, iihof.org and two others.
Four host names, each with a single IP address: ns1.siteground.net → 75.2.77.104, ns2.siteground.net → 99.83.229.113, ns1.us86.siteground.us → 75.2.77.104 and ns2.us86.siteground.us → 99.83.229.113.
ns1.siteground.net and ns1.us86.siteground.us each have 75.2.77.104 IP addresses.
ns2.siteground.net and ns2.us86.siteground.us each have 99.83.229.113 IP addresses.
Mail Servers
certifiedknowledge.net has three mail servers: mx10.mailspamprotection.com, mx20.mailspamprotection.com and mx30.mailspamprotection.com.
certifiedknowledge.net shares at least some of its mail servers with other domains — for example labottegadibrunella.it, librinews.it, grancanariatourguide.com and two more.
mx10.mailspamprotection.com has IP address 34.149.79.66, mx20.mailspamprotection.com has IP address 34.120.156.61 and mx30.mailspamprotection.com has IP address 34.111.121.216 — one address each.