isit21.com - robtex.com

isit21.com

DNSSEC⚠️ Not signed
A61.78.36.28🇰🇷 KT-NET61.72.0.0/13 KORnet Powered BY Korea Telecom
A61.78.36.29🇰🇷 KT-NET61.72.0.0/13 KORnet Powered BY Korea Telecom
NSisit21.com ⭐
A61.78.36.28🇰🇷 KT-NET61.72.0.0/13 KORnet Powered BY Korea Telecom
A61.78.36.29🇰🇷 KT-NET61.72.0.0/13 KORnet Powered BY Korea Telecom
NSdns1.cafe24.co.kr ⚠️ Not in zone NS records
A112.175.246.228🇰🇷 KT-NET112.168.0.0/13
A112.175.246.229🇰🇷 KT-NET112.168.0.0/13
A175.125.93.132🇰🇷 SKB-NET175.120.0.0/13 SKB summary
A175.125.93.133🇰🇷 SKB-NET175.120.0.0/13 SKB summary
NSdns1.cafe24.com ⚠️ Not in zone NS records
A112.175.246.226🇰🇷 KT-NET112.168.0.0/13
A112.175.246.227🇰🇷 KT-NET112.168.0.0/13
A175.125.93.130🇰🇷 SKB-NET175.120.0.0/13 SKB summary
A175.125.93.131🇰🇷 SKB-NET175.120.0.0/13 SKB summary
NSdns2.cafe24.co.kr ⚠️ Not in zone NS records
A112.175.247.228🇰🇷 KT-NET112.168.0.0/13
A112.175.247.229🇰🇷 KT-NET112.168.0.0/13
A175.125.93.142🇰🇷 SKB-NET175.120.0.0/13 SKB summary
A175.125.93.143🇰🇷 SKB-NET175.120.0.0/13 SKB summary
NSdns2.cafe24.com ⚠️ Not in zone NS records
A112.175.247.226🇰🇷 KT-NET112.168.0.0/13
A112.175.247.227🇰🇷 KT-NET112.168.0.0/13
A175.125.93.140🇰🇷 SKB-NET175.120.0.0/13 SKB summary
A175.125.93.141🇰🇷 SKB-NET175.120.0.0/13 SKB summary
NSns1.cafe24.co.kr ⚠️ Not in parent delegation
A112.175.246.232🇰🇷 KT-NET112.168.0.0/13
PTRgjit.kr
PTRsnoweb.kr
PTRsinc2030.co.kr
A112.175.246.233🇰🇷 KT-NET112.168.0.0/13
PTRip-112-175-246-233.defastlink.net
A175.125.93.136🇰🇷 SKB-NET175.120.0.0/13 SKB summary
PTRip-175-125-93-136.defastlink.net
A175.125.93.137🇰🇷 SKB-NET175.120.0.0/13 SKB summary
PTRip-175-125-93-137.defastlink.net
NSns1.cafe24.com ⚠️ Not in parent delegation
A112.175.246.230🇰🇷 KT-NET112.168.0.0/13
PTRip-112-175-246-230.defastlink.net
A112.175.246.231🇰🇷 KT-NET112.168.0.0/13
PTRip-112-175-246-231.defastlink.net
A116.126.143.242🇰🇷 SKB-NET116.126.0.0/16 SK Broadband
PTRip-116-126-143-242.defastlink.net
A175.125.93.134🇰🇷 SKB-NET175.120.0.0/13 SKB summary
PTRip-175-125-93-134.defastlink.net
A175.125.93.135🇰🇷 SKB-NET175.120.0.0/13 SKB summary
PTRip-175-125-93-135.defastlink.net
NSns2.cafe24.co.kr ⚠️ Not in parent delegation
A112.175.247.232🇰🇷 KT-NET112.168.0.0/13
PTRsnoweb.kr
PTRsarchi.co.kr
A112.175.247.233🇰🇷 KT-NET112.168.0.0/13
A175.125.93.146🇰🇷 SKB-NET175.120.0.0/13 SKB summary
A175.125.93.147🇰🇷 SKB-NET175.120.0.0/13 SKB summary
NSns2.cafe24.com ⚠️ Not in parent delegation
A1.226.85.4🇰🇷 SKB-NET1.224.0.0/13 auto-generated route object for 1.224.0.0/13
PTRip-1-226-85-4.defastlink.net
A1.234.0.4🇰🇷 SKB-NET1.232.0.0/13 auto-generated route object for 1.232.0.0/13
PTRip-1-234-0-4.defastlink.net
A112.175.11.4🇰🇷 KT-NET112.168.0.0/13
PTRip-112-175-11-4.defastlink.net
A112.175.12.4🇰🇷 KT-NET112.168.0.0/13
PTRip-112-175-12-4.defastlink.net
MXalf1.aspmx.whoisworks.com ⭐
A193.123.252.198🇰🇷 ORACLE-OCI-31898193.123.224.0/19 KINX-Oracle
PTRfilter00.whoisworks.com
MXalf2.aspmx.whoisworks.com ⭐
A152.70.238.229🇰🇷 ORACLE-OCI-31898152.70.232.0/21
PTRfilter01.whoisworks.com
MXaspmx.whoisworks.com ⭐
A193.123.252.198🇰🇷 ORACLE-OCI-31898193.123.224.0/19 KINX-Oracle
PTRfilter00.whoisworks.com
TXTv=spf1 include:spf1.whoisweb.net include:spf1.whoisworks.com ~all
SOAisit21.compostmaster@isit21.com serial=20191111

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=1771291435

NS for

isit21.com

Same first word

isit21.com

Similar names

isit12.org

DNS History

18 records (14 active, 4 former)

20162017201820192020202120222023202420252026NSdns1.cafe24.co.krdns1.cafe24.comdns2.cafe24.co.krdns2.cafe24.comisit21.comns1.cafe24.co.krns1.cafe24.comns2.cafe24.co.krns2.cafe24.comns11.whois.co.krns11.whoisweb.netMXalf1.aspmx.whoisworks.comalf2.aspmx.whoisworks.comaspmx.whoisworks.commail.isit21.comA61.78.36.2861.78.36.29218.236.90.142
●NSdns1.cafe24.co.kr2026-02-27 → 2026-02-27 · 3 obs
○ 2018-07-19 17:08:06
● 2026-02-27 01:14:28
● 2026-02-27 03:03:48
●NSdns1.cafe24.com2026-02-27 → 2026-02-27 · 3 obs
○ 2018-07-19 17:08:06
● 2026-02-27 01:14:28
● 2026-02-27 03:03:48
●NSdns2.cafe24.co.kr2026-02-27 → 2026-02-27 · 3 obs
○ 2018-07-19 17:08:06
● 2026-02-27 01:14:28
● 2026-02-27 03:03:48
●NSdns2.cafe24.com2026-02-27 → 2026-02-27 · 3 obs
○ 2018-07-19 17:08:06
● 2026-02-27 01:14:28
● 2026-02-27 03:03:48
●NSisit21.com2026-02-27 → 2026-02-27 · 3 obs
○ 2018-07-19 17:08:06
● 2026-02-27 01:14:28
● 2026-02-27 03:03:48
●NSns1.cafe24.co.kr2026-02-27 → 2026-02-27 · 3 obs
○ 2018-07-19 17:08:06
● 2026-02-27 01:14:28
● 2026-02-27 03:03:48
●NSns1.cafe24.com2026-02-27 → 2026-02-27 · 3 obs
○ 2018-07-19 17:08:06
● 2026-02-27 01:14:28
● 2026-02-27 03:03:48
○NSns11.whois.co.kr2015-07-11 → 2018-07-19 · 4 obs
● 2015-07-11 06:38:22
● 2018-07-19 17:08:06
○ 2026-02-27 01:14:28
○ 2026-02-27 03:03:48
○NSns11.whoisweb.net2015-07-11 → 2018-07-19 · 4 obs
● 2015-07-11 06:38:22
● 2018-07-19 17:08:06
○ 2026-02-27 01:14:28
○ 2026-02-27 03:03:48
●NSns2.cafe24.co.kr2026-02-27 → 2026-02-27 · 3 obs
○ 2018-07-19 17:08:06
● 2026-02-27 01:14:28
● 2026-02-27 03:03:48
●NSns2.cafe24.com2026-02-27 → 2026-02-27 · 3 obs
○ 2018-07-19 17:08:06
● 2026-02-27 01:14:28
● 2026-02-27 03:03:48
●MXalf1.aspmx.whoisworks.com2026-02-27 → 2026-02-27 · 3 obs
○ 2018-07-19 17:08:06
● 2026-02-27 01:14:28
● 2026-02-27 03:03:48
●MXalf2.aspmx.whoisworks.com2026-02-27 → 2026-02-27 · 3 obs
○ 2018-07-19 17:08:06
● 2026-02-27 01:14:28
● 2026-02-27 03:03:48
●MXaspmx.whoisworks.com2026-02-27 → 2026-02-27 · 3 obs
○ 2018-07-19 17:08:06
● 2026-02-27 01:14:28
● 2026-02-27 03:03:48
○MXmail.isit21.com2015-07-11 → 2018-07-19 · 4 obs
● 2015-07-11 06:38:22
● 2018-07-19 17:08:06
○ 2026-02-27 01:14:28
○ 2026-02-27 03:03:48
○A218.236.90.1422015-07-11 → 2018-07-19 · 4 obs
● 2015-07-11 06:38:22
● 2018-07-19 17:08:06
○ 2026-02-27 01:14:28
○ 2026-02-27 03:03:48
●A61.78.36.282026-02-27 → 2026-02-27 · 3 obs
○ 2018-07-19 17:08:06
● 2026-02-27 01:14:28
● 2026-02-27 03:03:48
●A61.78.36.292026-02-27 → 2026-02-27 · 3 obs
○ 2018-07-19 17:08:06
● 2026-02-27 01:14:28
● 2026-02-27 03:03:48

🔍 DNS Trace

AI analysis

isit21.com serves as a name server for isit21.com.

Together with isit21.com, dns1.cafe24.com, dns2.cafe24.com and ns1.cafe24.com are commonly used as name servers.

isit21.com resolves to two IP numbers: 61.78.36.28 and 61.78.36.29.

Other host names, for instance ayoume.co.kr, ion-clean.com, laraclara.com, ihtrading.com and irisys.co.kr share IP numbers with isit21.com.

isit21.com is delegated to nine name servers: isit21.com, dns1.cafe24.com, dns2.cafe24.com, ns1.cafe24.com, ns2.cafe24.com, dns1.cafe24.co.kr, dns2.cafe24.co.kr, ns1.cafe24.co.kr and ns2.cafe24.co.kr.

isit21.com partially shares name servers with other domains; examples include yaleent.co.kr, yjpack.com, 1jc.kr, greenhosp.co.kr and cebuholic.com.

These name servers are often used with the name servers ns.cafe24.com and ns0.cafe24.com.

Five IP numbers:

Host name ns1.cafe24.com points to 112.175.246.230, 112.175.246.231, 116.126.143.242, 175.125.93.134 and 175.125.93.135.

Four IP numbers:

Host name dns1.cafe24.com points to: 112.175.246.226, 112.175.246.227, 175.125.93.130 and 175.125.93.131.

Host name dns2.cafe24.com points to: 112.175.247.226, 112.175.247.227, 175.125.93.140 and 175.125.93.141.

Host name ns2.cafe24.com points to: 1.226.85.4, 1.234.0.4, 112.175.11.4 and 112.175.12.4.

Host name dns1.cafe24.co.kr points to: 112.175.246.228, 112.175.246.229, 175.125.93.132 and 175.125.93.133.

Host name dns2.cafe24.co.kr points to: 112.175.247.228, 112.175.247.229, 175.125.93.142 and 175.125.93.143.

Host name ns1.cafe24.co.kr points to: 112.175.246.232, 112.175.246.233, 175.125.93.136 and 175.125.93.137.

Host name ns2.cafe24.co.kr points to: 112.175.247.232, 112.175.247.233, 175.125.93.146 and 175.125.93.147.

Two IP numbers:

Host name isit21.com points to 61.78.36.28 and 61.78.36.29.

isit21.com is handled by three mail servers: aspmx.whoisworks.com, alf1.aspmx.whoisworks.com and alf2.aspmx.whoisworks.com.

isit21.com shares some mail servers with other domains, at least partially, such as sinzi.net, p2u.kr, xn--wn3bl7g32qba.com, synapsis.co.kr and johnyou.com.

Host names with one IP number: aspmx.whoisworks.com points to: 193.123.252.198; alf1.aspmx.whoisworks.com points to: 193.123.252.198; alf2.aspmx.whoisworks.com points to: 152.70.238.229. Host names that point to 193.123.252.198: aspmx.whoisworks.com and alf1.aspmx.whoisworks.com.