firsthc.co.kr - robtex.com

firsthc.co.kr

DNSSEC⚠️ Not signed
A183.111.139.227🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM
A203.245.12.98🇰🇷 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
A203.245.12.123🇰🇷 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
A210.114.23.162🇰🇷 KT-NET210.114.0.0/18 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
NSfirsthc.co.kr ⭐
A183.111.139.227🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM
A203.245.12.98🇰🇷 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
A203.245.12.123🇰🇷 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
A210.114.23.162🇰🇷 KT-NET210.114.0.0/18 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 parent delegation
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 parent delegation
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 parent delegation
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 parent delegation
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 zone NS records
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 zone NS records
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 zone NS records
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 zone NS records
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
MXsmtp.google.com ⭐
A2607:f8b0:4004:c17::1a🇺🇸 Google2607:f8b0:4004::/48
PTRbl-in-f26.1e100.net
A2607:f8b0:4004:c17::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbl-in-f27.1e100.net
A2607:f8b0:4004:c19::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbk-in-f27.1e100.net
A2607:f8b0:4004:c1f::1a🇺🇸 Google2607:f8b0:4004::/48
PTRpd-in-f26.1e100.net
A142.251.16.26🇺🇸 Google142.251.16.0/24
PTRbl-in-f26.1e100.net
A142.251.16.27🇺🇸 Google142.251.16.0/24
PTRbl-in-f27.1e100.net
A142.251.111.27🇺🇸 Google142.251.111.0/24
PTRbk-in-f27.1e100.net
A142.251.179.26🇺🇸 Google142.251.179.0/24
PTRpd-in-f26.1e100.net
A142.251.179.27🇺🇸 Google142.251.179.0/24
PTRpd-in-f27.1e100.net
TXTgoogle-site-verification=l7PrtVb-rzQZlw1tmlv1g7KYmlSw2kkcA2QMz3lwz1w
SOAfirsthc.co.krpostmaster@firsthc.co.kr serial=20250307

co.kr

DNSSEC⚠️ Not signed
NSg.dns.kr ⭐ ⚠️ Not in parent delegation
NSb.dns.kr ⚠️ Not in parent delegation
NSc.dns.kr ⚠️ Not in parent delegation
NSd.dns.kr ⚠️ Not in parent delegation
NSe.dns.kr ⚠️ Not in parent delegation
NSf.dns.kr ⚠️ Not in parent delegation
SOAg.dns.krdomain-manager@nic.or.kr serial=2604240581
WOT: UNKNOWN (62/100)

NS for

firsthc.co.kr

Same first word

firsthc.co.kr
firsthc.com

Similar names

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fritsch.de
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chfirst.com
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DNS History

14 records (14 active, 0 former)

NSdns1.cafe24.co.krdns1.cafe24.comdns2.cafe24.co.krdns2.cafe24.comfirsthc.co.krns1.cafe24.co.krns1.cafe24.comns2.cafe24.co.krns2.cafe24.comMXsmtp.google.comA183.111.139.227203.245.12.123203.245.12.98210.114.23.162
●NSdns1.cafe24.co.kr2026-04-11 → 2026-04-24 · 2 obs
● 2026-04-11 03:17:50
● 2026-04-24 01:33:46
●NSdns1.cafe24.com2026-04-11 → 2026-04-24 · 2 obs
● 2026-04-11 03:17:50
● 2026-04-24 01:33:46
●NSdns2.cafe24.co.kr2026-04-11 → 2026-04-24 · 2 obs
● 2026-04-11 03:17:50
● 2026-04-24 01:33:46
●NSdns2.cafe24.com2026-04-11 → 2026-04-24 · 2 obs
● 2026-04-11 03:17:50
● 2026-04-24 01:33:46
●NSfirsthc.co.kr2026-04-11 → 2026-04-24 · 2 obs
● 2026-04-11 03:17:50
● 2026-04-24 01:33:46
●NSns1.cafe24.co.kr2026-04-11 → 2026-04-24 · 2 obs
● 2026-04-11 03:17:50
● 2026-04-24 01:33:46
●NSns1.cafe24.com2026-04-11 → 2026-04-24 · 2 obs
● 2026-04-11 03:17:50
● 2026-04-24 01:33:46
●NSns2.cafe24.co.kr2026-04-11 → 2026-04-24 · 2 obs
● 2026-04-11 03:17:50
● 2026-04-24 01:33:46
●NSns2.cafe24.com2026-04-11 → 2026-04-24 · 2 obs
● 2026-04-11 03:17:50
● 2026-04-24 01:33:46
●MXsmtp.google.com2026-04-11 → 2026-04-24 · 2 obs
● 2026-04-11 03:17:50
● 2026-04-24 01:33:46
●A183.111.139.2272026-04-11 → 2026-04-24 · 2 obs
● 2026-04-11 03:17:50
● 2026-04-24 01:33:46
●A203.245.12.1232026-04-11 → 2026-04-24 · 2 obs
● 2026-04-11 03:17:50
● 2026-04-24 01:33:46
●A203.245.12.982026-04-11 → 2026-04-24 · 2 obs
● 2026-04-11 03:17:50
● 2026-04-24 01:33:46
●A210.114.23.1622026-04-11 → 2026-04-24 · 2 obs
● 2026-04-11 03:17:50
● 2026-04-24 01:33:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
krb.dns.kr, c.dns.kr, d.dns.kr, e.dns.kr...-
firsthc.co.krns2.cafe24.co.kr, ns1.cafe24.co.kr, ns1.cafe24.com, ns2.cafe24.com2 records

✅ Authoritative Response

Server:112.175.247.232

NS records: ns2.cafe24.co.kr, ns1.cafe24.co.kr, ns1.cafe24.com, ns2.cafe24.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firsthc.co.kr (unsigned zone)

⏱️ Timing

Total: 1743ms | Queries: -

📄 Records

TypeCountSample Data
A4203.245.12.123, 210.114.23.162...
NS4dns1.cafe24.co.kr, dns2.cafe24.com...
MX1SMTP.GOOGLE.COM (pri: 1)
TXT1google-site-verification=l7PrtVb-rzQZlw1
SOA1firsthc.co.kr postmaster.firsthc.co.kr

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.cafe24.co.kr, ns1.cafe24.co.kr)

Analysis

Name Server Role

firsthc.co.kr serves as a name server for firsthc.co.kr.

Typically, dns1.cafe24.com, dns2.cafe24.com and ns1.cafe24.com serve as name servers alongside firsthc.co.kr.

IP Addresses

firsthc.co.kr points to four IP numbers: 183.111.139.227, 203.245.12.98, 203.245.12.123 and 210.114.23.162.

Other host names, for instance mk365meat.com, iandnamu.net, ingcoffee.com, buyerway.shop and chokoko.com share IP numbers with firsthc.co.kr.

Name Servers

firsthc.co.kr delegates to nine name servers: dns1.cafe24.com, dns2.cafe24.com, ns1.cafe24.com, ns2.cafe24.com, firsthc.co.kr, dns1.cafe24.co.kr, dns2.cafe24.co.kr, ns1.cafe24.co.kr and ns2.cafe24.co.kr.

firsthc.co.kr at least partially shares name servers with other domains, for instance jkent.kr, conwork.co.kr, phichip.com, nes-tek.com and xd-design.co.kr.

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

Host names with five IP numbers:

The 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.

Host names with four IP numbers:

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

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

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

The host name firsthc.co.kr points to: 183.111.139.227, 203.245.12.98, 203.245.12.123 and 210.114.23.162.

The 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.

The 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.

The 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.

The 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.

Mail Servers

firsthc.co.kr is handled by a single mail server, smtp.google.com.

firsthc.co.kr uses the same mail server configuration as other domains, such as excelgroup.com.pk, ventureautopilot.com, blueri.se, checkthat.ai and cameronracingengines.com.

firsthc.co.kr shares mail servers with other domains at least in part, for instance contech.org.pk, edwardnguyen.com, nibbles.sg, daesong.kr and etheric.agency.

These mail servers are often used with 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.

Host smtp.google.com points to nine IP numbers: 2607:f8b0:4004:c17::1a, 2607:f8b0:4004:c17::1b, 2607:f8b0:4004:c19::1b, 2607:f8b0:4004:c1f::1a, 142.251.16.26, 142.251.16.27, 142.251.111.27, 142.251.179.26 and 142.251.179.27.