`olympiaseoul.com`

DNSSEC	⚠️ Not signed
A	121.254.178.239^{🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary}
NS	`ns.gabia.co.kr.olympiaseoul.com` ⭐
NS	`ns.gabia.co.kr`
		A	43.201.170.100^{🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix}
			PTR	`ec2-43-201-170-100.ap-northeast-2.compute.amazonaws.com`
NS	`ns.gabia.net`
		A	121.78.117.39^{🇰🇷 GABIA-AS-KR121.78.117.0/24 Transit customer route announce}
			PTR	`ns1.gabia.co.kr`
		A	211.234.124.90^{🇰🇷 DACOM-NET211.234.0.0/17 contact jblee@aunet.nm.kr if necessary contact ojupark@aunet.nm.kr if necessary}
NS	`ns1.gabia.co.kr`
		A	20.200.205.248^{🇰🇷 Microsoft20.192.0.0/10}
MX	`gw-spam.mailwood.com` ⭐
		A	118.128.208.153^{🇰🇷 DACOM-NET118.128.0.0/14 contact noc@bora.net if necessary}
TXT	`v=spf1 include:spf.onnet21.com ~all`
SOA	`ns.gabia.co.kr.olympiaseoul.com`hosting@gabia.com serial=1466994211

`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=1778740121

Subdomains

sfilter.olympiaseoul.com

Same first word

olympiaseoul.com

DNS History

12 records (6 active, 6 former)

●NSns.gabia.co.kr2016-07-11 → 2026-05-14 · 3 obs

○ 2016-03-06 19:29:58
● 2016-07-11 00:38:54
● 2026-05-14 06:32:16

●NSns.gabia.co.kr.olympiaseoul.com2016-07-11 → 2026-05-14 · 3 obs

○ 2016-03-06 19:29:58
● 2016-07-11 00:38:54
● 2026-05-14 06:32:16

●NSns.gabia.net2016-07-11 → 2026-05-14 · 3 obs

○ 2016-03-06 19:29:58
● 2016-07-11 00:38:54
● 2026-05-14 06:32:16

●NSns1.gabia.co.kr2016-07-11 → 2026-05-14 · 3 obs

○ 2016-03-06 19:29:58
● 2016-07-11 00:38:54
● 2026-05-14 06:32:16

○NSns3.makeshop.com2015-07-22 → 2016-03-06 · 4 obs

● 2015-07-22 03:46:16
● 2016-03-06 19:29:58
○ 2016-07-11 00:38:54
○ 2026-05-14 06:32:16

○NSns3.makeshop.kr2015-07-22 → 2016-03-06 · 4 obs

● 2015-07-22 03:46:16
● 2016-03-06 19:29:58
○ 2016-07-11 00:38:54
○ 2026-05-14 06:32:16

○NSns4.makeshop.com2015-07-22 → 2016-03-06 · 4 obs

● 2015-07-22 03:46:16
● 2016-03-06 19:29:58
○ 2016-07-11 00:38:54
○ 2026-05-14 06:32:16

○NSns4.makeshop.kr2015-07-22 → 2016-03-06 · 4 obs

● 2015-07-22 03:46:16
● 2016-03-06 19:29:58
○ 2016-07-11 00:38:54
○ 2026-05-14 06:32:16

●MXgw-spam.mailwood.com2026-05-08 → 2026-05-14 · 3 obs

○ 2020-02-09 07:57:08
● 2026-05-08 15:00:14
● 2026-05-14 06:32:16

○MXsfilter.olympiaseoul.com2015-07-22 → 2020-02-09 · 4 obs

● 2015-07-22 03:46:16
● 2020-02-09 07:57:08
○ 2026-05-08 15:00:14
○ 2026-05-14 06:32:16

●A121.254.178.2392016-07-11 → 2026-05-14 · 3 obs

○ 2016-03-06 19:29:58
● 2016-07-11 00:38:54
● 2026-05-14 06:32:16

○A121.78.48.1262015-07-22 → 2016-03-06 · 4 obs

● 2015-07-22 03:46:16
● 2016-03-06 19:29:58
○ 2016-07-11 00:38:54
○ 2026-05-14 06:32:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
olympiaseoul.com	ns.gabia.co.kr, ns1.gabia.co.kr, ns.gabia.net	-

✅ Authoritative Response

Server:121.78.117.39

NS records: ns.gabia.co.kr, ns1.gabia.co.kr, ns.gabia.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for olympiaseoul.com (unsigned zone)

⏱️ Timing

Total: 1137ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`121.254.178.239`
NS	3	`ns.gabia.co.kr, ns1.gabia.co.kr...`
MX	1	`gw-spam.mailwood.com (pri: 10)`
TXT	1	`v=spf1 include:spf.onnet21.com ~all`
SOA	1	`ns.gabia.co.kr.olympiaseoul.com hosting.`

Analysis

Hierarchy

olympiaseoul.com is the parent of sfilter.olympiaseoul.com.

IP Addresses

olympiaseoul.com resolves to a single IP address: 121.254.178.239.

Other host names including xn--eu4b93f.com, kgc.or.kr, hostbrand.com, www.oxfamgift.or.kr and biliwili.com share IP numbers with olympiaseoul.com.

Name Servers

olympiaseoul.com is delegated to four name servers: ns.gabia.net, ns1.gabia.co.kr, ns.gabia.co.kr and ns.gabia.co.kr.olympiaseoul.com.

olympiaseoul.com at least partially shares name servers with other domains, including silverwa.com, xn--4k0b429binbf5m88d.com, trueinfo.co.kr, soundnara.com and vvtalk.net.

These name servers are commonly used with ns1.gabia.net and ns2.gabia.co.kr.

Host names with two IP numbers:

ns.gabia.net points to 121.78.117.39 and 211.234.124.90.

Host names with one IP number:

ns1.gabia.co.kr points to 20.200.205.248.

ns.gabia.co.kr points to 43.201.170.100.

Mail Servers

olympiaseoul.com is handled by a single mail server, gw-spam.mailwood.com.

olympiaseoul.com shares its mail server setup with other domains, including sungwonfc.onnet21.com, estarbank.onnet21.com, dbls.co.kr, adintl.onnet21.com and cloudn.co.kr.

olympiaseoul.com shares some mail servers with other domains, at least partially, for instance chmhc.or.kr.

gw-spam.mailwood.com points to a single IP: 118.128.208.153.

olympiaseoul.com - robtex.com