🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`null.sff.or.kr`

CNAME	`sff.or.kr`
DNSSEC	⚠️ Not signed
A	183.111.199.189^{🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM}
		PTR	`onepickent.co.kr`
NS	`sff.or.kr` ⭐
		A	183.111.199.189^{🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM}
			PTR	`onepickent.co.kr`
NS	`ns1.cafe24.co.kr`
		A	112.175.246.232^{🇰🇷 KT-NET112.168.0.0/13}
			PTR	`gjit.kr`
			PTR	`snoweb.kr`
			PTR	`sinc2030.co.kr`
		A	112.175.246.233^{🇰🇷 KT-NET112.168.0.0/13}
		A	175.125.93.136^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
		A	175.125.93.137^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
NS	`ns1.cafe24.com`
		A	112.175.246.230^{🇰🇷 KT-NET112.168.0.0/13}
		A	112.175.246.231^{🇰🇷 KT-NET112.168.0.0/13}
		A	116.126.143.242^{🇰🇷 SKB-NET116.126.0.0/16 SK Broadband}
		A	175.125.93.134^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
		A	175.125.93.135^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
NS	`ns2.cafe24.co.kr`
		A	112.175.247.232^{🇰🇷 KT-NET112.168.0.0/13}
			PTR	`snoweb.kr`
			PTR	`sarchi.co.kr`
		A	112.175.247.233^{🇰🇷 KT-NET112.168.0.0/13}
		A	175.125.93.146^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
		A	175.125.93.147^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
NS	`ns2.cafe24.com`
		A	1.226.85.4^{🇰🇷 SKB-NET1.224.0.0/13 auto-generated route object for 1.224.0.0/13}
		A	1.234.0.4^{🇰🇷 SKB-NET1.232.0.0/13 auto-generated route object for 1.232.0.0/13}
		A	112.175.11.4^{🇰🇷 KT-NET112.168.0.0/13}
		A	112.175.12.4^{🇰🇷 KT-NET112.168.0.0/13}
MX	`mailapp.hiworks.co.kr` ⭐
		A	45.120.71.59^{🇰🇷 DACOM-NET45.120.71.0/24}
			PTR	`mailapp.hiworks.co.kr`
		A	121.254.168.55^{🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary}
			PTR	`mailapp.hiworks.co.kr`
		A	211.47.76.59^{🇰🇷 DACOM-NET211.47.76.0/24 proxy for HANARO TELECOM route}
			PTR	`mailapp.hiworks.co.kr`
TXT	`v=spf1 include:_spf.hiworks.co.kr ~all`
SOA	`sff.or.kr`postmaster@sff.or.kr serial=20230707

`sff.or.kr`

	DNSSEC	⚠️ Not signed
	A	183.111.199.189^{🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM}
	NS	`sff.or.kr` ⭐
	NS	`ns1.cafe24.co.kr`
	NS	`ns1.cafe24.com`
	NS	`ns2.cafe24.co.kr`
	NS	`ns2.cafe24.com`
	MX	`mailapp.hiworks.co.kr` ⭐
	TXT	`v=spf1 include:_spf.hiworks.co.kr ~all`
	SOA	`sff.or.kr`postmaster@sff.or.kr serial=20230707

Same first word

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null.eu.ngrok.io

null.barclays

null.noop.app

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null.blogspot.sn

null.myspreadshop.de

null.ae

null.baby

null.actor

null.appengine.flow.ch

null.one

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null.mom

Similar names

DNS History

1 record (1 active, 0 former)

●CNAMEsff.or.kr2026-07-21 → 2026-08-17 · 2 obs

● 2026-07-21 18:00:20
● 2026-08-17 03:29:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
kr	c.dns.kr, e.dns.kr, d.dns.kr, g.dns.kr...	-
sff.or.kr	ns1.cafe24.com, ns2.cafe24.com, ns1.cafe24.co.kr, ns2.cafe24.co.kr	-

✅ Authoritative Response

Server:175.125.93.147

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sff.or.kr (unsigned zone)

⏱️ Timing

Total: 1959ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`sff.or.kr`

Analysis

IP Addresses

null.sff.or.kr has exactly one IP address — 183.111.199.189.

hooahooa.com, mokdong.church, uws7-090.cafe24.com plus two other host names have IP numbers in common with null.sff.or.kr.

Name Servers

Five name servers handle delegation for null.sff.or.kr: ns1.cafe24.com, ns2.cafe24.com, sff.or.kr and two others.

null.sff.or.kr has at least partial name server overlap with other domains, such as vmcare.net, floits.com, pncg.co.kr and two others.

ns1.cafe24.co.kr, ns2.cafe24.co.kr and ns.cafe24.com — plus 5 other name servers — are commonly paired with these name servers.

Hosts with five IP addresses:

ns1.cafe24.com has IP addresses 112.175.246.230, 112.175.246.231 and 116.126.143.242 along with two other addresses.

Host names with four IP addresses:

ns2.cafe24.com has four IP addresses: 1.226.85.4, 1.234.0.4, 112.175.11.4 and 112.175.12.4.

ns1.cafe24.co.kr has four IP addresses: 112.175.246.232, 112.175.246.233, 175.125.93.136 and 175.125.93.137.

ns2.cafe24.co.kr has four IP addresses: 112.175.247.232, 112.175.247.233, 175.125.93.146 and 175.125.93.147.

Host names resolving to a single IP address:

sff.or.kr points to 183.111.199.189.

Mail Servers

null.sff.or.kr uses one mail server — mailapp.hiworks.co.kr.

The mail server setup of null.sff.or.kr matches that of other domains such as e-jjp.kr, phoneusa.co.kr, cbdkorea.net and two others.

mailapp.hiworks.co.kr points to three IP addresses: 45.120.71.59, 121.254.168.55 and 211.47.76.59.

null.sff.or.kr - robtex.com

null.sff.or.kr

sff.or.kr