quroom.kr - robtex.com

quroom.kr

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:514a🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:8c94🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.81.74Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.140.148🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSadi.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a38🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRadi.ns.cloudflare.com
A2803:f800:50::6ca2:c038🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRadi.ns.cloudflare.com
A2a06:98c1:50::ac40:2038🇺🇸 Cloudflare2a06:98c1:50::/45
PTRadi.ns.cloudflare.com
A108.162.192.56🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRadi.ns.cloudflare.com
A172.64.32.56🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRadi.ns.cloudflare.com
A173.245.58.56🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRadi.ns.cloudflare.com
NSoswald.ns.cloudflare.com
A2606:4700:58::adf5:3bda🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRoswald.ns.cloudflare.com
A2803:f800:50::6ca2:c1da🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRoswald.ns.cloudflare.com
A2a06:98c1:50::ac40:21da🇺🇸 Cloudflare2a06:98c1:50::/45
PTRoswald.ns.cloudflare.com
A108.162.193.218🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRoswald.ns.cloudflare.com
A172.64.33.218🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRoswald.ns.cloudflare.com
A173.245.59.218🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRoswald.ns.cloudflare.com
MXaspmx.daum.net ⭐
A121.53.85.23🇰🇷 KAKAO-AY1121.53.80.0/21 Kakao
MXalt.aspmx.daum.net(20)
A121.53.85.23🇰🇷 KAKAO-AY1121.53.80.0/21 Kakao
TXTgoogle-site-verification=86RDzNKQ-cyaleEGeBLbHRLuzhHffRqUmzf0EvkL9QE
TXTgoogle-site-verification=TR2IZC-YJmQGrH3i7g3v1ozPMmwH2R8lfrwa9dGyYTI
TXTv=spf1 include:_spf.daum.net include:amazonses.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.81.74, 172.67.140.148
IPv6 hints2606:4700:3031::6815:514a, 2606:4700:3037::ac43:8c94
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=168, name=cloudflare-ech.com
SOAadi.ns.cloudflare.comdns@cloudflare.com serial=2409659523

kr

DNSSEC🔒 Signed (DS record present)
NSg.dns.kr ⭐
NSb.dns.kr
NSc.dns.kr
NSd.dns.kr
NSe.dns.kr
NSf.dns.kr
SOAg.dns.krdomain-manager@nic.or.kr serial=2607210723

Subdomains

codex.quroom.kr

Same first word

quroom.com

Similar names

qoorum.com
ruqoom.com
roomqu.com

DNS History

8 records (8 active, 0 former)

NSadi.ns.cloudflare.comoswald.ns.cloudflare.comMXalt.aspmx.daum.netaspmx.daum.netA104.21.81.74172.67.140.1482606:4700:3031::6815:514a2606:4700:3037::ac43:8c94
●NSadi.ns.cloudflare.com2026-07-21 → 2026-07-21 · 2 obs
● 2026-07-21 05:26:04
● 2026-07-21 05:26:06
●NSoswald.ns.cloudflare.com2026-07-21 → 2026-07-21 · 2 obs
● 2026-07-21 05:26:04
● 2026-07-21 05:26:06
●MXalt.aspmx.daum.net2026-07-21 → 2026-07-21 · 2 obs
● 2026-07-21 05:26:04
● 2026-07-21 05:26:06
●MXaspmx.daum.net2026-07-21 → 2026-07-21 · 2 obs
● 2026-07-21 05:26:04
● 2026-07-21 05:26:06
●A104.21.81.742026-07-21 → 2026-07-21 · 2 obs
● 2026-07-21 05:26:04
● 2026-07-21 05:26:06
●A172.67.140.1482026-07-21 → 2026-07-21 · 2 obs
● 2026-07-21 05:26:04
● 2026-07-21 05:26:06
●A2606:4700:3031::6815:514a2026-07-21 → 2026-07-21 · 2 obs
● 2026-07-21 05:26:04
● 2026-07-21 05:26:06
●A2606:4700:3037::ac43:8c942026-07-21 → 2026-07-21 · 2 obs
● 2026-07-21 05:26:04
● 2026-07-21 05:26:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
krc.dns.kr, e.dns.kr, d.dns.kr, g.dns.kr...-
quroom.kradi.ns.cloudflare.com, oswald.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.56

NS records: adi.ns.cloudflare.com, oswald.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for quroom.kr (unsigned zone)

⏱️ Timing

Total: 1219ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.81.74, 172.67.140.148
AAAA22606:4700:3037::ac43:8c94, 2606:4700:3031::6815:514a
NS2adi.ns.cloudflare.com, oswald.ns.cloudflare.com
MX2aspmx.daum.net (pri: 10), alt.aspmx.daum.net (pri: 20)
TXT3google-site-verification=86RDzNKQ-cyaleE, google-site-verification=TR2IZC-YJmQGrH3...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1adi.ns.cloudflare.com dns.cloudflare.com

Analysis

Hierarchy

codex.quroom.kr is a subdomain of quroom.kr.

IP Addresses

quroom.kr directs to four IP numbers, which are 104.21.81.74, 172.67.140.148, 2606:4700:3031::6815:514a and 2606:4700:3037::ac43:8c94.

openaiacc.honorificabilitudinitatibus.workers.dev, wwwjscp.com, dns4.chachia.net and two other host names share IP numbers with quroom.kr.

Name Servers

Two name servers handle the delegation for quroom.kr: adi.ns.cloudflare.com and oswald.ns.cloudflare.com.

quroom.kr uses the same name servers as several other domains — among them japanpools.tokyo, resolveschwimmer.com, arkad.ae and two more.

The name servers of quroom.kr overlap at least partially with those of other domains — among them propertypressurewash.com, 15l.info, travelmaterobotics.com and two more.

It is common to find these name servers alongside the name servers carl.ns.cloudflare.com, neil.ns.cloudflare.com, damien.ns.cloudflare.com and two others.

Hostnames that resolve to 6 IP addresses:

adi.ns.cloudflare.com resolves to 108.162.192.56, 172.64.32.56 and 173.245.58.56 among others, with 3 other IP addresses in total.

oswald.ns.cloudflare.com resolves to 108.162.193.218, 172.64.33.218 and 173.245.59.218 among others, with 3 other IP addresses in total.

Mail Servers

Mail for quroom.kr is handled by two mail servers — aspmx.daum.net and alt.aspmx.daum.net.

quroom.kr uses an identical mail server configuration to several other domains — among them ertrsit.co.kr, baubaulab.com, meguiarskorea.co.kr and two more.

The mail servers for quroom.kr overlap at least partially with those of other domains, including mechanicko.com and www.educationkorea.kr.

aspmx.daum.net directs to 121.53.85.23, as does alt.aspmx.daum.net — both hostnames resolve to that one IP address.

aspmx.daum.net along with alt.aspmx.daum.net each resolve to 121.53.85.23 IP addresses.