`prepkorea.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:dea4^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:267c^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.38.124^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.222.164^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`duke.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b6e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c16e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`duke.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:216e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`duke.ns.cloudflare.com`
		A	108.162.193.110^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	172.64.33.110^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	173.245.59.110^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
NS	`martha.ns.cloudflare.com`
		A	2606:4700:50::a29f:268e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`martha.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c28e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`martha.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:228e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`martha.ns.cloudflare.com`
		A	108.162.194.142^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`martha.ns.cloudflare.com`
		A	162.159.38.142^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`martha.ns.cloudflare.com`
		A	172.64.34.142^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`martha.ns.cloudflare.com`
MX	`mx00.ionos.com` ⭐
		A	74.208.5.3^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx00.perfora.net`
MX	`mx01.ionos.com` ⭐
		A	74.208.5.21^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx01.perfora.net`
TXT	`facebook-domain-verification=pbyfgb4n62pd44v151ism8ksa44g59`
TXT	`google-site-verification=_hIHqJag4o-xDN8zKWub_JuSy4A93Uj4ufLW5ohPtrs`
TXT	`v=spf1 include:_spf-us.ionos.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.38.124, 172.67.222.164
		IPv6 hints	2606:4700:3030::ac43:dea4, 2606:4700:3034::6815:267c
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=83, name=cloudflare-ech.com
SOA	`duke.ns.cloudflare.com`dns@cloudflare.com serial=2407926453

`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=1784126347

Same first word

prepkorea.com

Similar names

parkerpoe.com

orekpaper.com

koreaprep.com

parkerpoe.mobi

DNS History

20 records (8 active, 12 former)

●NSduke.ns.cloudflare.com2026-07-05 → 2026-07-15 · 3 obs

○ 2018-05-08 23:35:18
● 2026-07-05 02:37:20
● 2026-07-15 14:57:56

●NSmartha.ns.cloudflare.com2026-07-05 → 2026-07-15 · 3 obs

○ 2018-05-08 23:35:18
● 2026-07-05 02:37:20
● 2026-07-15 14:57:56

○NSns11.domaincontrol.com2018-05-08 → 2018-05-08 · 3 obs

● 2018-05-08 23:35:18
○ 2026-07-05 02:37:20
○ 2026-07-15 14:57:56

○NSns12.domaincontrol.com2018-05-08 → 2018-05-08 · 3 obs

● 2018-05-08 23:35:18
○ 2026-07-05 02:37:20
○ 2026-07-15 14:57:56

●MXmx00.ionos.com2026-07-05 → 2026-07-15 · 2 obs

● 2026-07-05 02:37:20
● 2026-07-15 14:57:56

●MXmx01.ionos.com2026-07-05 → 2026-07-15 · 2 obs

● 2026-07-05 02:37:20
● 2026-07-15 14:57:56

●A104.21.38.1242026-07-05 → 2026-07-15 · 3 obs

○ 2018-05-08 23:35:18
● 2026-07-05 02:37:20
● 2026-07-15 14:57:56

●A172.67.222.1642026-07-05 → 2026-07-15 · 3 obs

○ 2018-05-08 23:35:18
● 2026-07-05 02:37:20
● 2026-07-15 14:57:56

○A184.168.221.162018-05-08 → 2018-05-08 · 3 obs

● 2018-05-08 23:35:18
○ 2026-07-05 02:37:20
○ 2026-07-15 14:57:56

○A184.168.221.172018-05-08 → 2018-05-08 · 3 obs

● 2018-05-08 23:35:18
○ 2026-07-05 02:37:20
○ 2026-07-15 14:57:56

○A184.168.221.222018-05-08 → 2018-05-08 · 3 obs

● 2018-05-08 23:35:18
○ 2026-07-05 02:37:20
○ 2026-07-15 14:57:56

○A184.168.221.242018-05-08 → 2018-05-08 · 3 obs

● 2018-05-08 23:35:18
○ 2026-07-05 02:37:20
○ 2026-07-15 14:57:56

○A184.168.221.312018-05-08 → 2018-05-08 · 3 obs

● 2018-05-08 23:35:18
○ 2026-07-05 02:37:20
○ 2026-07-15 14:57:56

●A2606:4700:3030::ac43:dea42026-07-15 → 2026-07-15 · 3 obs

○ 2026-07-05 02:37:20
● 2026-07-15 14:57:54
● 2026-07-15 14:57:56

○A2606:4700:3031::6815:267c2026-07-05 → 2026-07-05 · 4 obs

○ 2018-05-08 23:35:18
● 2026-07-05 02:37:20
○ 2026-07-15 14:57:54
○ 2026-07-15 14:57:56

●A2606:4700:3034::6815:267c2026-07-15 → 2026-07-15 · 3 obs

○ 2026-07-05 02:37:20
● 2026-07-15 14:57:54
● 2026-07-15 14:57:56

○A2606:4700:3035::ac43:dea42026-07-05 → 2026-07-05 · 4 obs

○ 2018-05-08 23:35:18
● 2026-07-05 02:37:20
○ 2026-07-15 14:57:54
○ 2026-07-15 14:57:56

○A50.63.202.12018-05-08 → 2018-05-08 · 3 obs

● 2018-05-08 23:35:18
○ 2026-07-05 02:37:20
○ 2026-07-15 14:57:56

○A50.63.202.112018-05-08 → 2018-05-08 · 3 obs

● 2018-05-08 23:35:18
○ 2026-07-05 02:37:20
○ 2026-07-15 14:57:56

○A50.63.202.222018-05-08 → 2018-05-08 · 3 obs

● 2018-05-08 23:35:18
○ 2026-07-05 02:37:20
○ 2026-07-15 14:57:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, h.gtld-servers.net, a.gtld-servers.net, d.gtld-servers.net...	-
prepkorea.com	duke.ns.cloudflare.com, martha.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.142

NS records: duke.ns.cloudflare.com, martha.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for prepkorea.com (unsigned zone)

⏱️ Timing

Total: 458ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.38.124, 172.67.222.164`
AAAA	2	`2606:4700:3034::6815:267c, 2606:4700:3030::ac43:dea4`
NS	2	`duke.ns.cloudflare.com, martha.ns.cloudflare.com`
MX	2	`mx00.ionos.com (pri: 10), mx01.ionos.com (pri: 10)`
TXT	3	`facebook-domain-verification=pbyfgb4n62p, google-site-verification=_hIHqJag4o-xDN8...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`duke.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (duke.ns.cloudflare.com, duke.ns.cloudflare.com, duke.ns.cloudflare.com...)

Analysis

IP Addresses

prepkorea.com points to the four IP addresses 104.21.38.124, 172.67.222.164, 2606:4700:3030::ac43:dea4 and 2606:4700:3034::6815:267c.

Two other host names, along with raventoliqua.com, zgmjhsh.com and shiftbackpacks.com, also share IP numbers with prepkorea.com.

Name Servers

DNS delegation for prepkorea.com points to two name servers: duke.ns.cloudflare.com and martha.ns.cloudflare.com.

prepkorea.com shares its NS records with other domains, for example wiwot.com, szzytj.com, uminhr.com and two others.

At least some of prepkorea.com's name servers are shared with other domains, for example n999u.com, gymfits.cz, iupik.com and two more.

These name servers tend to be used in conjunction with the name servers ophelia.ns.cloudflare.com.

DNS names with 6 IP addresses:

duke.ns.cloudflare.com has IP addresses 108.162.193.110, 172.64.33.110 and 173.245.59.110, plus 3 other.

martha.ns.cloudflare.com has IP addresses 108.162.194.142, 162.159.38.142 and 172.64.34.142, plus 3 other.

Mail Servers

prepkorea.com is served by two mail servers, mx00.ionos.com and mx01.ionos.com.

Among the domains sharing a mail server setup with prepkorea.com are gess-us.net, saintjamesweb.com, tesserickson.com and two others.

Each of mx00.ionos.com and mx01.ionos.com has one IP address: mx00.ionos.com uses 74.208.5.3 and mx01.ionos.com uses 74.208.5.21.

prepkorea.com - robtex.com

prepkorea.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`prepkorea.com`

`com`