aitech.co.kr - robtex.com

aitech.co.kr

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:d39a🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:3561🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.53.97Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.211.154🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdahlia.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a59🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdahlia.ns.cloudflare.com
A2803:f800:50::6ca2:c059🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdahlia.ns.cloudflare.com
A2a06:98c1:50::ac40:2059🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdahlia.ns.cloudflare.com
A108.162.192.89🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdahlia.ns.cloudflare.com
A172.64.32.89🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdahlia.ns.cloudflare.com
A173.245.58.89🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdahlia.ns.cloudflare.com
NSmustafa.ns.cloudflare.com
A2606:4700:58::a29f:2c1b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmustafa.ns.cloudflare.com
A2803:f800:50::6ca2:c31b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmustafa.ns.cloudflare.com
A2a06:98c1:50::ac40:231b🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmustafa.ns.cloudflare.com
A108.162.195.27🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmustafa.ns.cloudflare.com
A162.159.44.27Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmustafa.ns.cloudflare.com
A172.64.35.27🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmustafa.ns.cloudflare.com
MXkr1-aspmx1.worksmobile.com ⭐
A125.209.209.251🇰🇷 nhn-AS-KR125.209.208.0/22 NAVER business platform
PTRcrcvmail.worksmobile.com
MXkr1-aspmx2.worksmobile.com(20)
A125.209.209.251🇰🇷 nhn-AS-KR125.209.208.0/22 NAVER business platform
PTRcrcvmail.worksmobile.com
TXTgoogle-site-verification=Rw5fnAX9koI_jSeLlQvJE_JzhNwe7zOKoknDhVmsCU8
TXTv=spf1 include:spf.worksmobile.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.53.97, 172.67.211.154
IPv6 hints2606:4700:3031::ac43:d39a, 2606:4700:3034::6815:3561
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=188, name=cloudflare-ech.com
SOAdahlia.ns.cloudflare.comdns@cloudflare.com serial=2408489465

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=2607160502
WOT: UNKNOWN (62/100)

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DNS History

9 records (8 active, 1 former)

NSdahlia.ns.cloudflare.commustafa.ns.cloudflare.comMXkr1-aspmx1.worksmobile.comkr1-aspmx2.worksmobile.comA104.21.53.97172.67.211.1542606:4700:3031::ac43:d39a2606:4700:3034::6815:35612606:4700:3030::ac43:d39a
●NSdahlia.ns.cloudflare.com2026-07-02 → 2026-07-15 · 2 obs
● 2026-07-02 18:35:38
● 2026-07-15 21:24:46
●NSmustafa.ns.cloudflare.com2026-07-02 → 2026-07-15 · 2 obs
● 2026-07-02 18:35:38
● 2026-07-15 21:24:46
●MXkr1-aspmx1.worksmobile.com2026-07-02 → 2026-07-15 · 2 obs
● 2026-07-02 18:35:38
● 2026-07-15 21:24:46
●MXkr1-aspmx2.worksmobile.com2026-07-02 → 2026-07-15 · 2 obs
● 2026-07-02 18:35:38
● 2026-07-15 21:24:46
●A104.21.53.972026-07-02 → 2026-07-15 · 2 obs
● 2026-07-02 18:35:38
● 2026-07-15 21:24:46
●A172.67.211.1542026-07-02 → 2026-07-15 · 2 obs
● 2026-07-02 18:35:38
● 2026-07-15 21:24:46
○A2606:4700:3030::ac43:d39a2026-07-02 → 2026-07-02 · 3 obs
● 2026-07-02 18:35:38
○ 2026-07-09 17:38:14
○ 2026-07-15 21:24:46
●A2606:4700:3031::ac43:d39a2026-07-09 → 2026-07-15 · 3 obs
○ 2026-07-02 18:35:38
● 2026-07-09 17:38:14
● 2026-07-15 21:24:46
●A2606:4700:3034::6815:35612026-07-02 → 2026-07-15 · 2 obs
● 2026-07-02 18:35:38
● 2026-07-15 21:24:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
krg.dns.kr, f.dns.kr, b.dns.kr, d.dns.kr...-
aitech.co.krdahlia.ns.cloudflare.com, mustafa.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.89

NS records: dahlia.ns.cloudflare.com, mustafa.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1717ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.211.154, 104.21.53.97
AAAA22606:4700:3031::ac43:d39a, 2606:4700:3034::6815:3561
NS2dahlia.ns.cloudflare.com, mustafa.ns.cloudflare.com
MX2kr1-aspmx1.worksmobile.com (pri: 10), kr1-aspmx2.worksmobile.com (pri: 20)
TXT2google-site-verification=Rw5fnAX9koI_jSe, v=spf1 include:spf.worksmobile.com ~all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1dahlia.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

aitech.co.kr has four IP addresses: 104.21.53.97, 172.67.211.154, 2606:4700:3031::ac43:d39a and 2606:4700:3034::6815:3561.

m-358.bet, www.goeforlaw.com, r0ot-line.veget-growing.garden plus two other host names have IP numbers in common with aitech.co.kr.

Name Servers

DNS delegation for aitech.co.kr points to two name servers: dahlia.ns.cloudflare.com and mustafa.ns.cloudflare.com.

The name server configuration of aitech.co.kr is shared with other domains, for instance cruisechile.com, arbitrationagreement.com, jich.cl and two others.

aitech.co.kr has at least partial name server overlap with other domains, such as juworld.net, supfit.lv, denimhotel.nl and two others.

It is common to see these name servers used together with name servers tegan.ns.cloudflare.com and sullivan.ns.cloudflare.com.

Hosts with 6 IP addresses each:

dahlia.ns.cloudflare.com has IP addresses 108.162.192.89, 172.64.32.89 and 173.245.58.89, plus 3 other.

mustafa.ns.cloudflare.com has IP addresses 108.162.195.27, 162.159.44.27 and 172.64.35.27, plus 3 other.

Mail Servers

aitech.co.kr uses two mail servers, kr1-aspmx1.worksmobile.com and kr1-aspmx2.worksmobile.com.

The mail server setup of aitech.co.kr matches that of other domains such as segefairs.co.kr, novus.kr, lkp.news and two others.

At least some of the mail servers used by aitech.co.kr are shared with other domains: corea.ac.kr, dhc.khu.ac.kr, aulabs.co.kr and two others among them.

Both kr1-aspmx1.worksmobile.com and kr1-aspmx2.worksmobile.com have a single IP address, 125.209.209.251, and share it.

Host names pointing to 125.209.209.251 IP addresses: kr1-aspmx1.worksmobile.com and kr1-aspmx2.worksmobile.com.