`jfclinic.com`

DNSSEC	⚠️ Not signed
A	203.245.24.55^{🇰🇷 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}
NS	`jfclinic.com` ⭐
		A	203.245.24.55^{🇰🇷 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}
NS	`ns.freewebclub.com` ⚠️ Not in zone NS records
		A	218.145.65.143^{🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom}
NS	`ns.jfclinic.com` ⚠️ Not in parent delegation
		A	218.145.65.143^{🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom}
NS	`ns1.freewebclub.com` ⚠️ Not in zone NS records
		A	116.126.143.226^{🇰🇷 SKB-NET116.126.0.0/16 SK Broadband}
NS	`ns1.jfclinic.com` ⚠️ Not in parent delegation
		A	116.126.143.226^{🇰🇷 SKB-NET116.126.0.0/16 SK Broadband}
NS	`ns2.freewebclub.com` ⚠️ Not in zone NS records
		A	218.145.65.144^{🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom}
NS	`ns2.jfclinic.com` ⚠️ Not in parent delegation
		A	218.145.65.144^{🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom}
NS	`ns3.freewebclub.com` ⚠️ Not in zone NS records
		A	116.126.143.225^{🇰🇷 SKB-NET116.126.0.0/16 SK Broadband}
NS	`ns3.jfclinic.com` ⚠️ Not in parent delegation
		A	116.126.143.225^{🇰🇷 SKB-NET116.126.0.0/16 SK Broadband}
MX	`kr1-aspmx1.worksmobile.com` ⭐
		A	125.209.209.251^{🇰🇷 nhn-AS-KR125.209.208.0/22 NAVER business platform}
			PTR	`crcvmail.worksmobile.com`
MX	`kr1-aspmx2.worksmobile.com`⁽²⁰⁾
		A	125.209.209.251^{🇰🇷 nhn-AS-KR125.209.208.0/22 NAVER business platform}
			PTR	`crcvmail.worksmobile.com`
TXT	`v=spf1 ip4:211.34.104.37 include:_spf.daum.net ~all`
SOA	`jfclinic.com`postmaster@jfclinic.com serial=20250609

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774687907

NS for

jfclinic.com

Subdomains

ns3.jfclinic.com

ns.jfclinic.com

ns1.jfclinic.com

ns2.jfclinic.com

apps.jfclinic.com

Same first word

jfclinic.com

DNS History

22 records (12 active, 10 former)

○NSdz1.hostcocoa.com2017-12-09 → 2017-12-09 · 4 obs

○ 2016-12-15 20:56:50
● 2017-12-09 11:54:42
○ 2026-03-04 02:56:52
○ 2026-03-28 08:53:12

○NSdz2.hostcocoa.com2017-12-09 → 2017-12-09 · 4 obs

○ 2016-12-15 20:56:50
● 2017-12-09 11:54:42
○ 2026-03-04 02:56:52
○ 2026-03-28 08:53:12

○NSdz3.hostcocoa.com2017-12-09 → 2017-12-09 · 4 obs

○ 2016-12-15 20:56:50
● 2017-12-09 11:54:42
○ 2026-03-04 02:56:52
○ 2026-03-28 08:53:12

○NSdz4.hostcocoa.com2017-12-09 → 2017-12-09 · 4 obs

○ 2016-12-15 20:56:50
● 2017-12-09 11:54:42
○ 2026-03-04 02:56:52
○ 2026-03-28 08:53:12

●NSjfclinic.com2026-03-04 → 2026-03-28 · 3 obs

○ 2017-12-09 11:54:42
● 2026-03-04 02:56:52
● 2026-03-28 08:53:12

●NSns.freewebclub.com2026-03-04 → 2026-03-28 · 3 obs

○ 2017-12-09 11:54:42
● 2026-03-04 02:56:52
● 2026-03-28 08:53:12

○NSns.hostcocoa.com2016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 20:56:50
○ 2017-12-09 11:54:42
○ 2026-03-28 08:53:12

●NSns.jfclinic.com2026-03-04 → 2026-03-28 · 3 obs

○ 2017-12-09 11:54:42
● 2026-03-04 02:56:52
● 2026-03-28 08:53:12

●NSns1.freewebclub.com2026-03-04 → 2026-03-28 · 3 obs

○ 2017-12-09 11:54:42
● 2026-03-04 02:56:52
● 2026-03-28 08:53:12

●NSns1.jfclinic.com2026-03-04 → 2026-03-28 · 3 obs

○ 2017-12-09 11:54:42
● 2026-03-04 02:56:52
● 2026-03-28 08:53:12

●NSns2.freewebclub.com2026-03-04 → 2026-03-28 · 3 obs

○ 2017-12-09 11:54:42
● 2026-03-04 02:56:52
● 2026-03-28 08:53:12

●NSns2.jfclinic.com2026-03-04 → 2026-03-28 · 3 obs

○ 2017-12-09 11:54:42
● 2026-03-04 02:56:52
● 2026-03-28 08:53:12

●NSns3.freewebclub.com2026-03-04 → 2026-03-28 · 3 obs

○ 2017-12-09 11:54:42
● 2026-03-04 02:56:52
● 2026-03-28 08:53:12

●NSns3.jfclinic.com2026-03-04 → 2026-03-28 · 3 obs

○ 2017-12-09 11:54:42
● 2026-03-04 02:56:52
● 2026-03-28 08:53:12

○MXalt.aspmx.daum.net2016-12-15 → 2017-12-09 · 4 obs

● 2016-12-15 20:56:50
● 2017-12-09 11:54:42
○ 2026-03-04 02:56:52
○ 2026-03-28 08:53:12

○MXaspmx.daum.net2016-12-15 → 2017-12-09 · 4 obs

● 2016-12-15 20:56:50
● 2017-12-09 11:54:42
○ 2026-03-04 02:56:52
○ 2026-03-28 08:53:12

●MXkr1-aspmx1.worksmobile.com2026-03-04 → 2026-03-28 · 3 obs

○ 2017-12-09 11:54:42
● 2026-03-04 02:56:52
● 2026-03-28 08:53:12

●MXkr1-aspmx2.worksmobile.com2026-03-04 → 2026-03-28 · 3 obs

○ 2017-12-09 11:54:42
● 2026-03-04 02:56:52
● 2026-03-28 08:53:12

○A115.68.55.722016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 20:56:50
○ 2017-12-09 11:54:42
○ 2026-03-28 08:53:12

○A13.125.30.442017-12-09 → 2017-12-09 · 4 obs

○ 2016-12-15 20:56:50
● 2017-12-09 11:54:42
○ 2026-03-04 02:56:52
○ 2026-03-28 08:53:12

○A13.125.58.332017-12-09 → 2017-12-09 · 4 obs

○ 2016-12-15 20:56:50
● 2017-12-09 11:54:42
○ 2026-03-04 02:56:52
○ 2026-03-28 08:53:12

●A203.245.24.552026-03-04 → 2026-03-28 · 3 obs

○ 2017-12-09 11:54:42
● 2026-03-04 02:56:52
● 2026-03-28 08:53:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, e.gtld-servers.net, j.gtld-servers.net...	-
jfclinic.com	ns.freewebclub.com, ns2.freewebclub.com, ns1.freewebclub.com, ns3.freewebclub.com	4 records

✅ Authoritative Response

Server:218.145.65.143

NS records: ns.freewebclub.com, ns2.freewebclub.com, ns1.freewebclub.com, ns3.freewebclub.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jfclinic.com (unsigned zone)

⏱️ Timing

Total: 464ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`203.245.24.55`
NS	4	`ns.jfclinic.com, ns3.jfclinic.com...`
MX	2	`kr1-aspmx2.worksmobile.com (pri: 20), kr1-aspmx1.worksmobile.com (pri: 10)`
TXT	1	`v=spf1 ip4:211.34.104.37 include:_spf.da`
SOA	1	`jfclinic.com postmaster.jfclinic.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns.freewebclub.com, ns2.freewebclub.com, ns1.freewebclub.com...)

Analysis

Hierarchy

jfclinic.com is a parent of ns3.jfclinic.com, ns.jfclinic.com, ns1.jfclinic.com, ns2.jfclinic.com and apps.jfclinic.com.

Name Server Role

For jfclinic.com, jfclinic.com serves as a name server for jfclinic.com.

Name servers commonly include ns1.freewebclub.com, ns2.freewebclub.com and ns3.freewebclub.com together with jfclinic.com.

IP Addresses

jfclinic.com points to IP number 203.245.24.55.

For instance, other host names seilarthall.com, leema.co.kr, samadms.co.kr, ropes.co.kr and xn--2e0ba539iqwjbyal4h.com share IP numbers with jfclinic.com.

Name Servers

jfclinic.com is delegated to nine name servers: jfclinic.com, ns1.freewebclub.com, ns2.freewebclub.com, ns3.freewebclub.com, ns.freewebclub.com, ns1.jfclinic.com, ns2.jfclinic.com, ns3.jfclinic.com and ns.jfclinic.com.

jfclinic.com shares name servers with other domains at least partially, for example sawnics.com, ddkiwa.co.kr, escreators.com, daelimohm.co.kr and schoolfood.co.kr.

Host names with a single IP number:

jfclinic.com points to 203.245.24.55.

ns1.freewebclub.com points to 116.126.143.226.

ns2.freewebclub.com points to 218.145.65.144.

ns3.freewebclub.com points to 116.126.143.225.

ns.freewebclub.com points to 218.145.65.143.

ns1.jfclinic.com points to 116.126.143.226.

ns2.jfclinic.com points to 218.145.65.144.

ns3.jfclinic.com points to 116.126.143.225.

ns.jfclinic.com points to 218.145.65.143.

Host names that point to 116.126.143.226: ns1.freewebclub.com and ns1.jfclinic.com.

Host names that point to 218.145.65.144: ns2.freewebclub.com and ns2.jfclinic.com.

Host names that point to 116.126.143.225: ns3.freewebclub.com and ns3.jfclinic.com.

Host names that point to 218.145.65.143: ns.freewebclub.com and ns.jfclinic.com.

Mail Servers

Two mail servers kr1-aspmx1.worksmobile.com and kr1-aspmx2.worksmobile.com handle jfclinic.com.

jfclinic.com shares the same mail server setup as other domains, for instance bekzon.com, koreasja.org, yj2.or.kr, sonorive.com and basfil.com.

jfclinic.com shares mail servers with other domains at least partially; for instance bdeng.com, rowe.kr, peoplebio.net, jcia.or.kr and vinacts.com.

Host names with a single IP

kr1-aspmx1.worksmobile.com points to: 125.209.209.251

kr1-aspmx2.worksmobile.com points to: 125.209.209.251

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

jfclinic.com - robtex.com

jfclinic.com

com

NS for

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

Name Server Role

IP Addresses

Name Servers

Mail Servers

`jfclinic.com`

`com`