trueknowledge.com - dns.ninja
trueknowledge.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=1781377273 | ||||||
rank #261980 in the tld
WOT: SAFE (88/100)
Subdomains
repo.trueknowledge.com |
wikilive1.trueknowledge.com |
images.trueknowledge.com |
Same first word
Similar names
DNS History
8 records (8 active, 0 former)
●NSdns-external-master.amazon.com2015-08-30 → 2026-06-13 · 2 obs
● 2026-06-13 19:24:58
●NSpdns1.ultradns.net2015-08-30 → 2026-06-13 · 2 obs
● 2026-06-13 19:24:58
●NSpdns2.ultradns.net2015-08-30 → 2026-06-13 · 2 obs
● 2026-06-13 19:24:58
●NSpdns3.ultradns.org2015-08-30 → 2026-06-13 · 2 obs
● 2026-06-13 19:24:58
●NSpdns4.ultradns.org2015-08-30 → 2026-06-13 · 2 obs
● 2026-06-13 19:24:58
●NSpdns5.ultradns.info2015-08-30 → 2026-06-13 · 2 obs
● 2026-06-13 19:24:58
●NSpdns6.ultradns.co.uk2015-08-30 → 2026-06-13 · 2 obs
● 2026-06-13 19:24:58
●MXamazon-smtp.amazon.com2015-08-30 → 2026-06-13 · 2 obs
● 2026-06-13 19:24:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| trueknowledge.com | pdns4.ultradns.org, pdns1.ultradns.net, pdns5.ultradns.info, pdns6.ultradns.co.uk | - |
✅ Authoritative Response
Server:204.74.114.1
NS records: pdns4.ultradns.org, pdns1.ultradns.net, pdns5.ultradns.info, pdns6.ultradns.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for trueknowledge.com (unsigned zone)
⏱️ Timing
Total: 546ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 6 | pdns1.ultradns.net, pdns2.ultradns.net... |
| MX | 1 | amazon-smtp.amazon.com (pri: 10) |
| TXT | 10 | v=spf1include:amazon.com-all, TS1760027... |
| SOA | 1 | dns-external-master.amazon.com root.amaz |
Analysis
Hierarchy
trueknowledge.com sits above repo.trueknowledge.com, wikilive1.trueknowledge.com and images.trueknowledge.com in the domain hierarchy.
Name Servers
trueknowledge.com has 7 name servers — dns-external-master.amazon.com, pdns5.ultradns.info, pdns1.ultradns.net and 4 others.
There is at least partial name server overlap between trueknowledge.com and other domains — apress.co.uk, hotel-in-tokyo.com, audibleed.org and two more among them.
These name servers regularly appear alongside pdns3.ultradns.org, pdns2.ultradns.net, pdns6.ultradns.co.uk and 7 other name servers in NS record sets.
Hostnames that resolve to two IP addresses:
pdns5.ultradns.info resolves to 204.74.114.1 and 2610:a1:1016::1.
pdns1.ultradns.net resolves to 204.74.108.1 and 2001:502:f3ff::1.
pdns2.ultradns.net resolves to 204.74.109.1 and 2610:a1:1014::1.
pdns3.ultradns.org resolves to 199.7.68.1 and 2610:a1:1015::1.
pdns4.ultradns.org resolves to 199.7.69.1 and 2001:502:4612::1.
pdns6.ultradns.co.uk resolves to 204.74.115.1 and 2610:a1:1017::1.
Host names with one IP number:
dns-external-master.amazon.com resolves to 204.74.108.1.
The host names pdns1.ultradns.net and dns-external-master.amazon.com both resolve to 204.74.108.1 IP addresses.
Mail Servers
Mail for trueknowledge.com is handled by a single mail server, amazon-smtp.amazon.com.
trueknowledge.com uses an identical mail server configuration to several other domains — among them amazon.com.be, lab126.com, iberlibro.com and two more.
trueknowledge.com has at least partial mail server overlap with other domains such as pflauto.eu.com, hjiwrite.eu.com, epixscreeners.com and two more.
amazon-smtp.amazon.com points to one IP number — 44.231.24.41.