techknowledge.co.kr - robtex.com
techknowledge.co.kr
co.kr
| DNSSEC | ⚠️ Not signed | ||||||
| NS | g.dns.kr ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.dns.kr ⚠️ Not in parent delegation | ||||||
| NS | c.dns.kr ⚠️ Not in parent delegation | ||||||
| NS | d.dns.kr ⚠️ Not in parent delegation | ||||||
| NS | e.dns.kr ⚠️ Not in parent delegation | ||||||
| NS | f.dns.kr ⚠️ Not in parent delegation | ||||||
| SOA | g.dns.krdomain-manager@nic.or.kr serial=2608170789 | ||||||
Same first word
Similar names
DNS History
10 records (10 active, 0 former)
●NSchase.ns.cloudflare.com2026-06-30 → 2026-08-17 · 2 obs
● 2026-08-17 11:07:16
●NSrayne.ns.cloudflare.com2026-06-30 → 2026-08-17 · 2 obs
● 2026-08-17 11:07:16
●MXalt1.aspmx.l.google.com2026-06-30 → 2026-08-17 · 2 obs
● 2026-08-17 11:07:16
●MXalt2.aspmx.l.google.com2026-06-30 → 2026-08-17 · 2 obs
● 2026-08-17 11:07:16
●MXaspmx.l.google.com2026-06-30 → 2026-08-17 · 2 obs
● 2026-08-17 11:07:16
●MXaspmx2.googlemail.com2026-06-30 → 2026-08-17 · 2 obs
● 2026-08-17 11:07:16
●A104.21.43.1882026-06-30 → 2026-08-17 · 2 obs
● 2026-08-17 11:07:16
●A172.67.184.762026-06-30 → 2026-08-17 · 2 obs
● 2026-08-17 11:07:16
●A2606:4700:3034::6815:2bbc2026-06-30 → 2026-08-17 · 2 obs
● 2026-08-17 11:07:16
●A2606:4700:3035::ac43:b84c2026-06-30 → 2026-08-17 · 2 obs
● 2026-08-17 11:07:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| kr | e.dns.kr, f.dns.kr, b.dns.kr, d.dns.kr... | - |
| techknowledge.co.kr | rayne.ns.cloudflare.com, chase.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.34.11
NS records: rayne.ns.cloudflare.com, chase.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for techknowledge.co.kr (unsigned zone)
⏱️ Timing
Total: 956ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.43.188, 172.67.184.76 |
| AAAA | 2 | 2606:4700:3035::ac43:b84c, 2606:4700:3034::6815:2bbc |
| NS | 2 | chase.ns.cloudflare.com, rayne.ns.cloudflare.com |
| MX | 4 | aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)... |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | chase.ns.cloudflare.com dns.cloudflare.c |
Analysis
IP Addresses
techknowledge.co.kr directs to four IP numbers, which are 104.21.43.188, 172.67.184.76, 2606:4700:3034::6815:2bbc and 2606:4700:3035::ac43:b84c.
soter.com.co, comedycentralstage.com, myreviewdoc.com plus two other host names have IP numbers in common with techknowledge.co.kr.
Name Servers
techknowledge.co.kr is served by two delegated name servers, chase.ns.cloudflare.com and rayne.ns.cloudflare.com.
The name server configuration of techknowledge.co.kr is shared with other domains, for instance labbackedyou.info, 123watches.eu, cenligne.shop and two others.
The name servers of techknowledge.co.kr overlap at least partially with those of other domains — among them unnurandwalter.com, zkf.hu, skylark.org.uk and two more.
These name servers commonly appear alongside the name servers karsyn.ns.cloudflare.com and hope.ns.cloudflare.com.
Hosts with 6 IP addresses each:
chase.ns.cloudflare.com carries IP addresses 108.162.195.156, 162.159.44.156 and 172.64.35.156, with 3 other addresses beyond those.
rayne.ns.cloudflare.com carries IP addresses 108.162.194.11, 162.159.38.11 and 172.64.34.11, with 3 other addresses beyond those.
Mail Servers
Mail for techknowledge.co.kr is handled by four mail servers: aspmx2.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
At least some of the mail servers used by techknowledge.co.kr are shared with other domains: ns500765.ns500734.ns500734.ns500693.ns500699.ns500734.ns500693.ns500588.ns500588.ns500588.ns500632.ns500632.ns500588.ns500612.ns500612.ns500110.dtrkdll.com, ns500742.ns500754.ns500742.ns500731.ns500731.ns500742.ns500754.ns500754.ns500688.ns500671.ns500678.ns500678.ns500678.ns500291.ns500131.lustychickser.com, ns500599.ns500724.ns500724.ns500599.ns500599.ns500599.ns500724.ns500599.ns500724.ns500737.ns500724.ns500737.ns500697.ns500583.ns500669.www.yummyflingsfinder.com and two others among them.
It is common to find these mail servers paired with the mail servers alt4.aspmx.l.google.com, alt3.aspmx.l.google.com and aspmx3.googlemail.com, as well as two others.
Each of aspmx2.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com has two IP addresses. aspmx2.googlemail.com has 192.178.234.26 and 2800:3f0:4003:c14::1b; aspmx.l.google.com has 142.251.179.27 and 2607:f8b0:4004:c06::1a; alt1.aspmx.l.google.com has 192.178.234.26 and 2800:3f0:4003:c14::1a; alt2.aspmx.l.google.com has 172.253.116.26 and 2a00:1450:400b:c02::1a. Note that 192.178.234.26 appears for both aspmx2.googlemail.com and alt1.aspmx.l.google.com.
These two host names — aspmx2.googlemail.com and alt1.aspmx.l.google.com — each point to 192.178.234.26 IP addresses.