`kortsjo.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:9b80^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:590b^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.89.11^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.155.128^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`syeef.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cee^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`syeef.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3ee^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`syeef.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23ee^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`syeef.ns.cloudflare.com`
		A	108.162.195.238^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`syeef.ns.cloudflare.com`
		A	162.159.44.238^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`syeef.ns.cloudflare.com`
		A	172.64.35.238^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`syeef.ns.cloudflare.com`
NS	`yolanda.ns.cloudflare.com`
		A	2606:4700:50::adf5:3af1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yolanda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0f1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`yolanda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20f1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`yolanda.ns.cloudflare.com`
		A	108.162.192.241^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yolanda.ns.cloudflare.com`
		A	172.64.32.241^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yolanda.ns.cloudflare.com`
		A	173.245.58.241^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yolanda.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.89.11, 172.67.155.128
		IPv6 hints	2606:4700:3033::ac43:9b80, 2606:4700:3037::6815:590b
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=56, name=cloudflare-ech.com
SOA	`syeef.ns.cloudflare.com`dns@cloudflare.com serial=2399426719

`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=1776540892

Same first word

kortsjo.com

Similar names

sjokort.se

DNS History

20 records (6 active, 14 former)

○NSdm1.longmingdns.com2026-03-05 → 2026-03-05 · 4 obs

○ 2016-10-14 18:29:18
● 2026-03-05 08:08:16
○ 2026-03-27 08:38:34
○ 2026-04-18 19:42:52

○NSdm2.longmingdns.com2026-03-05 → 2026-03-05 · 4 obs

○ 2016-10-14 18:29:18
● 2026-03-05 08:08:16
○ 2026-03-27 08:38:34
○ 2026-04-18 19:42:52

○NSns1.redmonddc.com2016-03-30 → 2016-03-30 · 4 obs

○ 2015-12-31 00:17:54
● 2016-03-30 09:30:42
○ 2016-10-14 18:29:18
○ 2026-04-18 19:42:52

○NSns2.redmonddc.com2016-03-30 → 2016-03-30 · 4 obs

○ 2015-12-31 00:17:54
● 2016-03-30 09:30:42
○ 2016-10-14 18:29:18
○ 2026-04-18 19:42:52

○NSns7.rookdns.com2015-10-24 → 2016-10-14 · 6 obs

● 2015-10-24 06:43:36
● 2015-12-31 00:17:54
○ 2016-03-30 09:30:42
● 2016-10-14 18:29:18
○ 2026-03-05 08:08:16
○ 2026-04-18 19:42:52

○NSns8.rookdns.com2015-10-24 → 2016-10-14 · 6 obs

● 2015-10-24 06:43:36
● 2015-12-31 00:17:54
○ 2016-03-30 09:30:42
● 2016-10-14 18:29:18
○ 2026-03-05 08:08:16
○ 2026-04-18 19:42:52

●NSsyeef.ns.cloudflare.com2026-03-27 → 2026-04-18 · 3 obs

○ 2026-03-05 08:08:16
● 2026-03-27 08:38:34
● 2026-04-18 19:42:52

●NSyolanda.ns.cloudflare.com2026-03-27 → 2026-04-18 · 3 obs

○ 2026-03-05 08:08:16
● 2026-03-27 08:38:34
● 2026-04-18 19:42:52

○MXmail.mxproc.com2015-10-24 → 2015-12-31 · 4 obs

● 2015-10-24 06:43:36
● 2015-12-31 00:17:54
○ 2016-03-30 09:30:42
○ 2026-04-18 19:42:52

●A104.21.89.112026-03-27 → 2026-04-18 · 5 obs

○ 2026-03-05 08:08:16
● 2026-03-27 08:38:34
● 2026-04-05 14:57:10
○ 2026-04-06 10:52:44
● 2026-04-18 19:42:52

○A141.8.224.932015-10-24 → 2016-10-14 · 6 obs

● 2015-10-24 06:43:36
● 2015-12-31 00:17:54
○ 2016-03-30 09:30:42
● 2016-10-14 18:29:18
○ 2026-03-05 08:08:16
○ 2026-04-18 19:42:52

●A172.67.155.1282026-03-27 → 2026-04-18 · 5 obs

○ 2026-03-05 08:08:16
● 2026-03-27 08:38:34
● 2026-04-05 14:57:10
○ 2026-04-06 10:52:44
● 2026-04-18 19:42:52

○A188.114.96.02026-04-06 → 2026-04-06 · 3 obs

○ 2026-04-05 14:57:10
● 2026-04-06 10:52:44
○ 2026-04-18 19:42:52

○A188.114.97.02026-04-06 → 2026-04-06 · 3 obs

○ 2026-04-05 14:57:10
● 2026-04-06 10:52:44
○ 2026-04-18 19:42:52

●A2606:4700:3033::ac43:9b802026-03-27 → 2026-04-18 · 5 obs

○ 2026-03-05 08:08:16
● 2026-03-27 08:38:34
● 2026-04-05 14:57:10
○ 2026-04-06 10:52:44
● 2026-04-18 19:42:52

●A2606:4700:3037::6815:590b2026-03-27 → 2026-04-18 · 5 obs

○ 2026-03-05 08:08:16
● 2026-03-27 08:38:34
● 2026-04-05 14:57:10
○ 2026-04-06 10:52:44
● 2026-04-18 19:42:52

○A2a06:98c1:3120::2026-04-06 → 2026-04-06 · 3 obs

○ 2026-04-05 14:57:10
● 2026-04-06 10:52:44
○ 2026-04-18 19:42:52

○A2a06:98c1:3121::2026-04-06 → 2026-04-06 · 3 obs

○ 2026-04-05 14:57:10
● 2026-04-06 10:52:44
○ 2026-04-18 19:42:52

○A38.173.139.42026-03-05 → 2026-03-05 · 4 obs

○ 2016-10-14 18:29:18
● 2026-03-05 08:08:16
○ 2026-03-27 08:38:34
○ 2026-04-18 19:42:52

○A5.135.193.1122016-03-30 → 2016-03-30 · 4 obs

○ 2015-12-31 00:17:54
● 2016-03-30 09:30:42
○ 2016-10-14 18:29:18
○ 2026-04-18 19:42:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
kortsjo.com	yolanda.ns.cloudflare.com, syeef.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.241

NS records: yolanda.ns.cloudflare.com, syeef.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kortsjo.com (unsigned zone)

⏱️ Timing

Total: 150ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.155.128, 104.21.89.11`
AAAA	2	`2606:4700:3033::ac43:9b80, 2606:4700:3037::6815:590b`
NS	2	`syeef.ns.cloudflare.com, yolanda.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`syeef.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

kortsjo.com maps to four IP numbers: 2606:4700:3033::ac43:9b80, 2606:4700:3037::6815:590b, 104.21.89.11 and 172.67.155.128.

Other host names, for instance www.we7.com, ls155.com, plugo.io, xhhxsj.cn and ok-studios.de share IP numbers with kortsjo.com.

Name Servers

Two name servers syeef.ns.cloudflare.com and yolanda.ns.cloudflare.com are delegated to kortsjo.com.

kortsjo.com uses the same name server configuration as other domains, such as gotoworksource.com, 114y.cn, thekoolroom.com, computerhelpzone.com and e-office365.com.

kortsjo.com at least partially shares name servers with other domains such as ll777-1.com, smaczneznatury.pl, msncard.com, ghrwd2.pages.dev and megaarenacentral.com.

These name servers are commonly used alongside ada.ns.cloudflare.com, sonia.ns.cloudflare.com and desi.ns.cloudflare.com.

Host names with six IP numbers: Host name syeef.ns.cloudflare.com points to 2606:4700:58::a29f:2cee, 2803:f800:50::6ca2:c3ee, 2a06:98c1:50::ac40:23ee, 108.162.195.238, 162.159.44.238 and 172.64.35.238; host name yolanda.ns.cloudflare.com points to 2606:4700:50::adf5:3af1, 2803:f800:50::6ca2:c0f1, 2a06:98c1:50::ac40:20f1, 108.162.192.241, 172.64.32.241 and 173.245.58.241.

kortsjo.com - robtex.com

kortsjo.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

`kortsjo.com`

`com`