knj21.com - robtex.com

knj21.com

DNSSEC⚠️ Not signed
A112.175.85.243🇰🇷 KT-NET112.168.0.0/13
NSknj21.com ⭐
A112.175.85.243🇰🇷 KT-NET112.168.0.0/13
NSns.knj21.com ⚠️ Not in parent delegation
A218.145.65.143🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom
NSns.soroweb.co.kr ⚠️ Not in zone NS records
A218.145.65.143🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom
NSns1.knj21.com ⚠️ Not in parent delegation
A116.126.143.226🇰🇷 SKB-NET116.126.0.0/16 SK Broadband
NSns1.soroweb.co.kr ⚠️ Not in zone NS records
A116.126.143.226🇰🇷 SKB-NET116.126.0.0/16 SK Broadband
NSns2.knj21.com ⚠️ Not in parent delegation
A218.145.65.144🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom
NSns2.soroweb.co.kr ⚠️ Not in zone NS records
A218.145.65.144🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom
NSns3.knj21.com ⚠️ Not in parent delegation
A116.126.143.225🇰🇷 SKB-NET116.126.0.0/16 SK Broadband
NSns3.soroweb.co.kr ⚠️ Not in zone NS records
A116.126.143.225🇰🇷 SKB-NET116.126.0.0/16 SK Broadband
MXaspmx.l.google.com ⭐
A2a00:1450:4009:c0f::1a🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.26🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f26.1e100.net
MXalt1.aspmx.l.google.com(5)
A2a00:1450:4025:402::1a🇳🇱 Google2a00:1450:4025::/48
PTRrb-in-f26.1e100.net
A142.250.102.26🇺🇸 Google142.250.102.0/24
PTRrb-in-f26.1e100.net
MXalt2.aspmx.l.google.com(6)
A2a00:1450:4013:c1e::1b🇳🇱 Google2a00:1450:4013::/48
PTRyugrqzs-in-f27.1e100.net
A192.178.213.27🇺🇸 Google192.178.213.0/24
PTRyugrqzs-in-f27.1e100.net
MXalt3.aspmx.l.google.com(10)
A2607:f8b0:4023:3003::1a🇺🇸 Google2607:f8b0::/32
PTRyulnkjt-in-f26.1e100.net
A172.253.145.26🇺🇸 Google172.253.145.0/24
PTRyulnkjt-in-f26.1e100.net
MXalt4.aspmx.l.google.com(11)
A2a00:1450:4025:c01::1b🇵🇱 Google2a00:1450:4025::/48
PTRrd-in-f27.1e100.net
A142.250.147.27🇺🇸 Google142.250.147.0/24
PTRrd-in-f27.1e100.net
TXTv=spf1 include:_spf.google.com ~all
SOAknj21.compostmaster@knj21.com serial=20241118

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774676982

NS for

knj21.com

Subdomains

ns.knj21.com
ns1.knj21.com
www.knj21.com
ns2.knj21.com
ns3.knj21.com

Same first word

knj21.com

Similar names

jkn21.com
njk21.co.jp

DNS History

24 records (15 active, 9 former)

20162017201820192020202120222023202420252026NSknj21.comns.knj21.comns.soroweb.co.krns1.knj21.comns1.soroweb.co.krns2.knj21.comns2.soroweb.co.krns3.knj21.comns3.soroweb.co.krns1.afraid.orgns2.afraid.orgns3.afraid.orgns4.afraid.orgMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx4.googlemail.comaspmx5.googlemail.comA112.175.85.243218.38.13.48
●NSknj21.com2026-03-07 → 2026-03-28 · 3 obs
○ 2018-08-03 16:30:48
● 2026-03-07 01:08:52
● 2026-03-28 06:19:46
●NSns.knj21.com2026-03-07 → 2026-03-28 · 3 obs
○ 2018-08-03 16:30:48
● 2026-03-07 01:08:52
● 2026-03-28 06:19:46
●NSns.soroweb.co.kr2026-03-07 → 2026-03-28 · 3 obs
○ 2018-08-03 16:30:48
● 2026-03-07 01:08:52
● 2026-03-28 06:19:46
○NSns1.afraid.org2015-06-30 → 2018-08-03 · 4 obs
● 2015-06-30 19:57:12
● 2018-08-03 16:30:48
○ 2026-03-07 01:08:52
○ 2026-03-28 06:19:46
●NSns1.knj21.com2026-03-07 → 2026-03-28 · 3 obs
○ 2018-08-03 16:30:48
● 2026-03-07 01:08:52
● 2026-03-28 06:19:46
●NSns1.soroweb.co.kr2026-03-07 → 2026-03-28 · 3 obs
○ 2018-08-03 16:30:48
● 2026-03-07 01:08:52
● 2026-03-28 06:19:46
○NSns2.afraid.org2015-06-30 → 2018-08-03 · 4 obs
● 2015-06-30 19:57:12
● 2018-08-03 16:30:48
○ 2026-03-07 01:08:52
○ 2026-03-28 06:19:46
●NSns2.knj21.com2026-03-07 → 2026-03-28 · 3 obs
○ 2018-08-03 16:30:48
● 2026-03-07 01:08:52
● 2026-03-28 06:19:46
●NSns2.soroweb.co.kr2026-03-07 → 2026-03-28 · 3 obs
○ 2018-08-03 16:30:48
● 2026-03-07 01:08:52
● 2026-03-28 06:19:46
○NSns3.afraid.org2015-06-30 → 2018-08-03 · 4 obs
● 2015-06-30 19:57:12
● 2018-08-03 16:30:48
○ 2026-03-07 01:08:52
○ 2026-03-28 06:19:46
●NSns3.knj21.com2026-03-07 → 2026-03-28 · 3 obs
○ 2018-08-03 16:30:48
● 2026-03-07 01:08:52
● 2026-03-28 06:19:46
●NSns3.soroweb.co.kr2026-03-07 → 2026-03-28 · 3 obs
○ 2018-08-03 16:30:48
● 2026-03-07 01:08:52
● 2026-03-28 06:19:46
○NSns4.afraid.org2015-06-30 → 2018-08-03 · 4 obs
● 2015-06-30 19:57:12
● 2018-08-03 16:30:48
○ 2026-03-07 01:08:52
○ 2026-03-28 06:19:46
●MXalt1.aspmx.l.google.com2015-06-30 → 2026-03-28 · 2 obs
● 2015-06-30 19:57:12
● 2026-03-28 06:19:46
●MXalt2.aspmx.l.google.com2015-06-30 → 2026-03-28 · 2 obs
● 2015-06-30 19:57:12
● 2026-03-28 06:19:46
●MXalt3.aspmx.l.google.com2026-03-07 → 2026-03-28 · 3 obs
○ 2018-08-03 16:30:48
● 2026-03-07 01:08:52
● 2026-03-28 06:19:46
●MXalt4.aspmx.l.google.com2026-03-07 → 2026-03-28 · 3 obs
○ 2018-08-03 16:30:48
● 2026-03-07 01:08:52
● 2026-03-28 06:19:46
●MXaspmx.l.google.com2015-06-30 → 2026-03-28 · 2 obs
● 2015-06-30 19:57:12
● 2026-03-28 06:19:46
○MXaspmx2.googlemail.com2015-06-30 → 2018-08-03 · 4 obs
● 2015-06-30 19:57:12
● 2018-08-03 16:30:48
○ 2026-03-07 01:08:52
○ 2026-03-28 06:19:46
○MXaspmx3.googlemail.com2015-06-30 → 2018-08-03 · 4 obs
● 2015-06-30 19:57:12
● 2018-08-03 16:30:48
○ 2026-03-07 01:08:52
○ 2026-03-28 06:19:46
○MXaspmx4.googlemail.com2015-06-30 → 2018-08-03 · 4 obs
● 2015-06-30 19:57:12
● 2018-08-03 16:30:48
○ 2026-03-07 01:08:52
○ 2026-03-28 06:19:46
○MXaspmx5.googlemail.com2015-06-30 → 2018-08-03 · 4 obs
● 2015-06-30 19:57:12
● 2018-08-03 16:30:48
○ 2026-03-07 01:08:52
○ 2026-03-28 06:19:46
●A112.175.85.2432026-03-07 → 2026-03-28 · 3 obs
○ 2018-08-03 16:30:48
● 2026-03-07 01:08:52
● 2026-03-28 06:19:46
○A218.38.13.482015-06-30 → 2018-08-03 · 4 obs
● 2015-06-30 19:57:12
● 2018-08-03 16:30:48
○ 2026-03-07 01:08:52
○ 2026-03-28 06:19:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comj.gtld-servers.net, h.gtld-servers.net, c.gtld-servers.net, f.gtld-servers.net...-
knj21.comns.soroweb.co.kr, ns1.soroweb.co.kr, ns2.soroweb.co.kr, ns3.soroweb.co.kr-

✅ Authoritative Response

Server:218.145.65.143

NS records: ns.soroweb.co.kr, ns1.soroweb.co.kr, ns2.soroweb.co.kr, ns3.soroweb.co.kr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knj21.com (unsigned zone)

⏱️ Timing

Total: 4246ms | Queries: -

📄 Records

TypeCountSample Data
A1112.175.85.243
NS4ns3.knj21.com, ns.knj21.com...
MX5ASPMX.L.GOOGLE.com (pri: 1), ALT2.ASPMX.L.GOOGLE.com (pri: 6)...
TXT1v=spf1 include:_spf.google.com ~all
SOA1knj21.com postmaster.knj21.com

Analysis

Hierarchy

knj21.com is parent of ns.knj21.com, ns1.knj21.com, www.knj21.com, ns2.knj21.com and ns3.knj21.com.

Name Server Role

knj21.com serves as a name server for knj21.com.

ns1.knj21.com, ns2.knj21.com and ns3.knj21.com are commonly used as name servers together with knj21.com.

IP Addresses

knj21.com points to IP number: 112.175.85.243.

Other host names such as jung-go.net, kmcvalve.co.kr, sunilet.co.kr, architop.com and kiel.re.kr share IPs with knj21.com.

Name Servers

knj21.com is delegated to nine name servers: knj21.com, ns1.knj21.com, ns2.knj21.com, ns3.knj21.com, ns.knj21.com, ns1.soroweb.co.kr, ns2.soroweb.co.kr, ns3.soroweb.co.kr and ns.soroweb.co.kr.

knj21.com at least partially shares name servers with other domains, for instance a-sales.com, wsbt.or.kr, etasolar.co.kr, parastar.org and koces.co.kr.

these name servers are commonly used with ns1.a-sales.com, ns2.a-sales.com, ns3.a-sales.com and ns.a-sales.com.

Host knj21.com points to 112.175.85.243.

Host ns1.knj21.com points to 116.126.143.226.

Host ns2.knj21.com points to 218.145.65.144.

Host ns3.knj21.com points to 116.126.143.225.

Host ns.knj21.com points to 218.145.65.143.

Host ns1.soroweb.co.kr points to 116.126.143.226.

Host ns2.soroweb.co.kr points to 218.145.65.144.

Host ns3.soroweb.co.kr points to 116.126.143.225.

Host ns.soroweb.co.kr points to 218.145.65.143.

Hosts pointing to 116.126.143.226: ns1.knj21.com and ns1.soroweb.co.kr.

Hosts pointing to 218.145.65.144: ns2.knj21.com and ns2.soroweb.co.kr.

Hosts pointing to 116.126.143.225: ns3.knj21.com and ns3.soroweb.co.kr.

Hosts pointing to 218.145.65.143: ns.knj21.com and ns.soroweb.co.kr.

Mail Servers

Five mail servers handle knj21.com: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

knj21.com shares at least partially some mail servers with other domains, including tomtom.rocks, ierdc.org, ns500758.ns500758.ns500758.ns500758.ns500758.ns500736.ns500698.ns500698.ns500576.ns500576.ns500708.ns500708.ns500576.ns500652.ns500576.trackreceptor.com, ns500742.ns500754.ns500742.ns500671.ns500731.ns500704.ns500671.ns500705.ns500671.ns500705.ns500688.ns500678.ns500291.ns500291.ns500291.ns500131.lustychickser.com and ns500765.ns500699.ns500734.ns500693.ns500588.ns500588.ns500693.ns500632.ns500612.ns500588.ns500578.ns500110.dtrkdll.com.

these mail servers are often used together with mail servers aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers:

Hostname aspmx.l.google.com points to 2a00:1450:4009:c0f::1a and 192.178.223.26.

Hostname alt1.aspmx.l.google.com points to 2a00:1450:4025:402::1a and 142.250.102.26.

Hostname alt2.aspmx.l.google.com points to 2a00:1450:4013:c1e::1b and 192.178.213.27.

Hostname alt3.aspmx.l.google.com points to 2607:f8b0:4023:3003::1a and 172.253.145.26.

Hostname alt4.aspmx.l.google.com points to 2a00:1450:4025:c01::1b and 142.250.147.27.