mail.exa21.com - robtex.com

mail.exa21.com

CNAMEexa21.com
DNSSEC⚠️ Not signed
A183.111.139.236🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM
A183.111.139.239🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM
A203.245.12.112🇰🇷 KT-NET203.245.0.0/18 contact chejumen@hitel.net if necessary contact country1@hitel.net if necessary contact express@hitel.net if necessary contact ezmate@hitel.net if necessary contact han322@hitel.net if necessary
A203.245.12.119🇰🇷 KT-NET203.245.0.0/18 contact chejumen@hitel.net if necessary contact country1@hitel.net if necessary contact express@hitel.net if necessary contact ezmate@hitel.net if necessary contact han322@hitel.net if necessary
NSexa21.com ⭐
A183.111.139.236🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM
A183.111.139.239🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM
A203.245.12.112🇰🇷 KT-NET203.245.0.0/18 contact chejumen@hitel.net if necessary contact country1@hitel.net if necessary contact express@hitel.net if necessary contact ezmate@hitel.net if necessary contact han322@hitel.net if necessary
A203.245.12.119🇰🇷 KT-NET203.245.0.0/18 contact chejumen@hitel.net if necessary contact country1@hitel.net if necessary contact express@hitel.net if necessary contact ezmate@hitel.net if necessary contact han322@hitel.net if necessary
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
A175.125.93.136🇰🇷 SKB-NET175.120.0.0/13 SKB summary
A175.125.93.137🇰🇷 SKB-NET175.120.0.0/13 SKB summary
NSns1.cafe24.com ⚠️ Not in parent delegation
A112.175.246.230🇰🇷 KT-NET112.168.0.0/13
A112.175.246.231🇰🇷 KT-NET112.168.0.0/13
A116.126.143.242🇰🇷 SKB-NET116.126.0.0/16 SK Broadband
A175.125.93.134🇰🇷 SKB-NET175.120.0.0/13 SKB summary
A175.125.93.135🇰🇷 SKB-NET175.120.0.0/13 SKB summary
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
A1.234.0.4🇰🇷 SKB-NET1.232.0.0/13 auto-generated route object for 1.232.0.0/13
A112.175.11.4🇰🇷 KT-NET112.168.0.0/13
A112.175.12.4🇰🇷 KT-NET112.168.0.0/13
MXuws64-182.cafe24.com ⭐
A183.111.174.86🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM
SOAexa21.compostmaster@exa21.com serial=20160322

exa21.com

DNSSEC⚠️ Not signed
A183.111.139.236🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM
A183.111.139.239🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM
A203.245.12.112🇰🇷 KT-NET203.245.0.0/18 contact chejumen@hitel.net if necessary contact country1@hitel.net if necessary contact express@hitel.net if necessary contact ezmate@hitel.net if necessary contact han322@hitel.net if necessary
A203.245.12.119🇰🇷 KT-NET203.245.0.0/18 contact chejumen@hitel.net if necessary contact country1@hitel.net if necessary contact express@hitel.net if necessary contact ezmate@hitel.net if necessary contact han322@hitel.net if necessary
NSexa21.com ⭐
NSdns1.cafe24.co.kr ⚠️ Not in zone NS records
NSdns1.cafe24.com ⚠️ Not in zone NS records
NSdns2.cafe24.co.kr ⚠️ Not in zone NS records
NSdns2.cafe24.com ⚠️ Not in zone NS records
NSns1.cafe24.co.kr ⚠️ Not in parent delegation
NSns1.cafe24.com ⚠️ Not in parent delegation
NSns2.cafe24.co.kr ⚠️ Not in parent delegation
NSns2.cafe24.com ⚠️ Not in parent delegation
MXuws64-182.cafe24.com ⭐
SOAexa21.compostmaster@exa21.com serial=20160322

Previously MX for

exa21.com

Same first word

mail.pro.br
mail.ne.jp
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DNS History

10 records (1 active, 9 former)

200920112013201520172019202120232025NSexa21.comns1.cafe24.co.krns1.cafe24.comns2.cafe24.co.krns2.cafe24.comMXuws64-182.cafe24.comA110.45.140.73116.125.127.73183.111.174.86CNAMEexa21.com
○NSexa21.com2016-03-22 → 2016-08-13 · 4 obs
● 2016-03-22 06:07:16
● 2016-08-13 01:00:30
○ 2026-02-17 23:10:44
○ 2026-04-14 09:08:30
○NSns1.cafe24.co.kr2016-03-22 → 2016-08-13 · 4 obs
● 2016-03-22 06:07:16
● 2016-08-13 01:00:30
○ 2026-02-17 23:10:44
○ 2026-04-14 09:08:30
○NSns1.cafe24.com2016-03-22 → 2016-08-13 · 4 obs
● 2016-03-22 06:07:16
● 2016-08-13 01:00:30
○ 2026-02-17 23:10:44
○ 2026-04-14 09:08:30
○NSns2.cafe24.co.kr2016-03-22 → 2016-08-13 · 4 obs
● 2016-03-22 06:07:16
● 2016-08-13 01:00:30
○ 2026-02-17 23:10:44
○ 2026-04-14 09:08:30
○NSns2.cafe24.com2016-03-22 → 2016-08-13 · 4 obs
● 2016-03-22 06:07:16
● 2016-08-13 01:00:30
○ 2026-02-17 23:10:44
○ 2026-04-14 09:08:30
○MXuws64-182.cafe24.com2016-03-22 → 2016-08-13 · 4 obs
● 2016-03-22 06:07:16
● 2016-08-13 01:00:30
○ 2026-02-17 23:10:44
○ 2026-04-14 09:08:30
○A110.45.140.732015-07-16 → 2015-11-29 · 5 obs
○ 2008-12-20 08:39:00
● 2015-07-16 22:56:28
● 2015-11-29 19:46:58
○ 2016-03-22 06:07:16
○ 2026-04-14 09:08:30
○A116.125.127.732008-12-20 → 2008-12-20 · 3 obs
● 2008-12-20 08:39:00
○ 2015-07-16 22:56:28
○ 2026-04-14 09:08:30
○A183.111.174.862016-03-22 → 2016-08-13 · 5 obs
○ 2015-11-29 19:46:58
● 2016-03-22 06:07:16
● 2016-08-13 01:00:30
○ 2026-02-17 23:10:44
○ 2026-04-14 09:08:30
●CNAMEexa21.com2016-03-22 → 2026-04-14 · 2 obs
● 2016-03-22 06:07:16
● 2026-04-14 09:08:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
come.gtld-servers.net, m.gtld-servers.net, g.gtld-servers.net, i.gtld-servers.net...-
exa21.comdns1.cafe24.com, dns2.cafe24.com, dns1.cafe24.co.kr, dns2.cafe24.co.kr8 records

✅ Authoritative Response

Server:112.175.246.226

NS records: dns1.cafe24.com, dns2.cafe24.com, dns1.cafe24.co.kr, dns2.cafe24.co.kr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for exa21.com (unsigned zone)

⏱️ Timing

Total: 1326ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1exa21.com

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (dns1.cafe24.com, dns1.cafe24.com, dns1.cafe24.com...)

Analysis

IP Addresses

mail.exa21.com resolves to four IP numbers: 183.111.139.236, 183.111.139.239, 203.245.12.112 and 203.245.12.119.

other host names for instance daeilpat.co.kr, ringtap.co.kr, comac.co.kr, mwm.co.kr and jessinewyork.com share IP numbers with mail.exa21.com.

Name Servers

mail.exa21.com delegates to nine name servers: exa21.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.

mail.exa21.com at least partially shares name servers with other domains, for instance cmmilano.com, dar-d.com, nisino.com, xn--oy2b25wurb9yj.com and dosygas.com.

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

Five IP numbers for ns1.cafe24.com: 112.175.246.230, 112.175.246.231, 116.126.143.242, 175.125.93.134 and 175.125.93.135.

Four IP numbers for exa21.com: 183.111.139.236, 183.111.139.239, 203.245.12.112 and 203.245.12.119.

Four IP numbers for dns1.cafe24.com: 112.175.246.226, 112.175.246.227, 175.125.93.130 and 175.125.93.131.

Four IP numbers for dns2.cafe24.com: 112.175.247.226, 112.175.247.227, 175.125.93.140 and 175.125.93.141.

Four IP numbers for ns2.cafe24.com: 1.226.85.4, 1.234.0.4, 112.175.11.4 and 112.175.12.4.

Four IP numbers for dns1.cafe24.co.kr: 112.175.246.228, 112.175.246.229, 175.125.93.132 and 175.125.93.133.

Four IP numbers for dns2.cafe24.co.kr: 112.175.247.228, 112.175.247.229, 175.125.93.142 and 175.125.93.143.

Four IP numbers for ns1.cafe24.co.kr: 112.175.246.232, 112.175.246.233, 175.125.93.136 and 175.125.93.137.

Four IP numbers for ns2.cafe24.co.kr: 112.175.247.232, 112.175.247.233, 175.125.93.146 and 175.125.93.147.

Mail Servers

mail.exa21.com is handled by a single mail server, uws64-182.cafe24.com.

mail.exa21.com shares the same mail server setup as other domains, for instance plus-top.com, fitngym.co.kr, pororong.com, skshop.net and viewsense.co.kr.

Host name uws64-182.cafe24.com points to IP address 183.111.174.86.