`k121.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:5814^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:abf8^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.88.20^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.171.248^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`aldo.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cf8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aldo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3f8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`aldo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23f8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`aldo.ns.cloudflare.com`
		A	108.162.195.248^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aldo.ns.cloudflare.com`
		A	162.159.44.248^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aldo.ns.cloudflare.com`
		A	172.64.35.248^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aldo.ns.cloudflare.com`
NS	`isla.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a77^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isla.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c077^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`isla.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2077^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`isla.ns.cloudflare.com`
		A	108.162.192.119^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isla.ns.cloudflare.com`
		A	172.64.32.119^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isla.ns.cloudflare.com`
		A	173.245.58.119^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isla.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.88.20, 172.67.171.248
		IPv6 hints	2606:4700:3035::6815:5814, 2606:4700:3037::ac43:abf8
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=71, name=cloudflare-ech.com
SOA	`aldo.ns.cloudflare.com`dns@cloudflare.com serial=2408592593

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1784677733

Same first word

k121.com

k121.cn

k121.cc

k121.org

Similar names

k112.cn

2k11.net

12k1.com

k112.de

121k.com

2k11.co.za

11k2.cn

k112.online

11k2.com

211k.com

DNS History

14 records (6 active, 8 former)

●NSaldo.ns.cloudflare.com2026-05-15 → 2026-07-21 · 2 obs

● 2026-05-15 05:46:48
● 2026-07-21 23:56:32

●NSisla.ns.cloudflare.com2026-05-15 → 2026-07-21 · 2 obs

● 2026-05-15 05:46:48
● 2026-07-21 23:56:32

●A104.21.88.202026-05-15 → 2026-07-21 · 6 obs

● 2026-05-15 05:46:48
● 2026-05-20 20:03:32
○ 2026-05-22 07:18:52
○ 2026-05-22 10:55:18
● 2026-06-03 02:06:46
● 2026-07-21 23:56:32

○A172.64.80.12026-05-22 → 2026-05-22 · 4 obs

○ 2026-05-20 20:03:32
● 2026-05-22 07:18:52
○ 2026-05-22 10:55:18
○ 2026-07-21 23:56:32

●A172.67.171.2482026-05-15 → 2026-07-21 · 6 obs

● 2026-05-15 05:46:48
● 2026-05-20 20:03:32
○ 2026-05-22 07:18:52
○ 2026-05-22 10:55:18
● 2026-06-03 02:06:46
● 2026-07-21 23:56:32

○A188.114.96.02026-05-22 → 2026-05-22 · 4 obs

○ 2026-05-22 07:18:52
● 2026-05-22 10:55:18
○ 2026-06-03 02:06:46
○ 2026-07-21 23:56:32

○A188.114.97.02026-05-22 → 2026-05-22 · 4 obs

○ 2026-05-22 07:18:52
● 2026-05-22 10:55:18
○ 2026-06-03 02:06:46
○ 2026-07-21 23:56:32

○A2606:4700:130:436c:6f75:6466:6c61:72652026-05-22 → 2026-05-22 · 4 obs

○ 2026-05-20 20:03:32
● 2026-05-22 07:18:52
○ 2026-05-22 10:55:18
○ 2026-07-21 23:56:32

○A2606:4700:3032::6815:58142026-05-15 → 2026-06-03 · 7 obs

● 2026-05-15 05:46:48
● 2026-05-20 20:03:32
○ 2026-05-22 07:18:52
○ 2026-05-22 10:55:18
● 2026-06-03 02:06:46
○ 2026-06-26 08:11:06
○ 2026-07-21 23:56:32

●A2606:4700:3035::6815:58142026-06-26 → 2026-07-21 · 3 obs

○ 2026-06-03 02:06:46
● 2026-06-26 08:11:06
● 2026-07-21 23:56:32

○A2606:4700:3036::ac43:abf82026-05-15 → 2026-06-03 · 7 obs

● 2026-05-15 05:46:48
● 2026-05-20 20:03:32
○ 2026-05-22 07:18:52
○ 2026-05-22 10:55:18
● 2026-06-03 02:06:46
○ 2026-06-26 08:11:06
○ 2026-07-21 23:56:32

●A2606:4700:3037::ac43:abf82026-06-26 → 2026-07-21 · 3 obs

○ 2026-06-03 02:06:46
● 2026-06-26 08:11:06
● 2026-07-21 23:56:32

○A2a06:98c1:3120::2026-05-22 → 2026-05-22 · 4 obs

○ 2026-05-22 07:18:52
● 2026-05-22 10:55:18
○ 2026-06-03 02:06:46
○ 2026-07-21 23:56:32

○A2a06:98c1:3121::2026-05-22 → 2026-05-22 · 4 obs

○ 2026-05-22 07:18:52
● 2026-05-22 10:55:18
○ 2026-06-03 02:06:46
○ 2026-07-21 23:56:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
k121.org	isla.ns.cloudflare.com, aldo.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.248

NS records: isla.ns.cloudflare.com, aldo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for k121.org (unsigned zone)

⏱️ Timing

Total: 506ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.171.248, 104.21.88.20`
AAAA	2	`2606:4700:3035::6815:5814, 2606:4700:3037::ac43:abf8`
NS	2	`aldo.ns.cloudflare.com, isla.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`aldo.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

k121.org points to the four IP addresses 104.21.88.20, 172.67.171.248, 2606:4700:3035::6815:5814 and 2606:4700:3037::ac43:abf8.

Two other host names, along with 1570.tw, tw-link2523.pro and nervecalm.net, also share IP numbers with k121.org.

Name Servers

The NS records for k121.org delegate to aldo.ns.cloudflare.com and isla.ns.cloudflare.com.

k121.org shares its NS records with other domains, for example k111.org, hiltonbetyolu.vip, hanyouweb.com and two others.

At least some of k121.org's name servers are shared with other domains, for example screenfetch4.cyou, bxgwfgg.cn, coronacards.com and two more.

These name servers tend to be deployed in combination with the name servers dahlia.ns.cloudflare.com and daphne.ns.cloudflare.com.

DNS names with 6 IP addresses:

aldo.ns.cloudflare.com maps to 108.162.195.248, 162.159.44.248, 172.64.35.248 and 3 additional IP addresses.

isla.ns.cloudflare.com maps to 108.162.192.119, 172.64.32.119, 173.245.58.119 and 3 additional IP addresses.

k121.org - robtex.com

k121.org

org

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`k121.org`

`org`