`lu.world`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:c6c4^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:24c2^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.36.194^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.198.196^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dorthy.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3af9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dorthy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0f9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dorthy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20f9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dorthy.ns.cloudflare.com`
		A	108.162.192.249^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dorthy.ns.cloudflare.com`
		A	172.64.32.249^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dorthy.ns.cloudflare.com`
		A	173.245.58.249^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dorthy.ns.cloudflare.com`
NS	`nitin.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bd7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nitin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1d7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nitin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21d7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nitin.ns.cloudflare.com`
		A	108.162.193.215^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nitin.ns.cloudflare.com`
		A	172.64.33.215^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nitin.ns.cloudflare.com`
		A	173.245.59.215^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nitin.ns.cloudflare.com`
MX	`lu-world.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca09::1^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr07cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::4^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am0pr04cu00504.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::9^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr04cu00801.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::20^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr05cu00400.inbound.protection.outlook.com`
		A	52.101.68.5^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du2pr03cu00105.inbound.protection.outlook.com`
		A	52.101.68.18^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00302.inbound.protection.outlook.com`
		A	52.101.68.21^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00205.inbound.protection.outlook.com`
		A	52.101.73.12^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am4pr0401cu00104.inbound.protection.outlook.com`
TXT	`MS=ms95265939`
TXT	`v=spf1 +a +mx +ip4:84.46.244.229 +ip4:72.61.157.55 +include:spf.protection.ou...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.36.194, 172.67.198.196
		IPv6 hints	2606:4700:3031::ac43:c6c4, 2606:4700:3034::6815:24c2
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=129, name=cloudflare-ech.com
SOA	`dorthy.ns.cloudflare.com`dns@cloudflare.com serial=2403309404

`world`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.world` ⭐
	NS	`v0n1.nic.world`
	NS	`v0n2.nic.world`
	NS	`v0n3.nic.world`
	NS	`v2n0.nic.world`
	NS	`v2n1.nic.world`
	SOA	`v0n0.nic.world`hostmaster@donuts.email serial=1781457941

Same first word

lu.ee

lu

lu.me

lu.hu

lu.world

lu.dev

lu.immo

lu.net

lu.kz

lu.org.ua

lu.mu

lu.ru

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lu.cz

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lu.s3-website.eu-west-3.amazonaws.com

lu.ws

lu.bnpparibas

lu.care

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lu.dk

lu.edu.af

lu.st

lu.no

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ul.dk

ul.pt

ul.co

ul.ac.za

ul.si

ul.no

ul.sk

ul.kz

ul.gs

ul.hk

ul.se

ul.ie

ul.at

ul.idv.tw

ul.solutions

ul.life

ul.world

ul.cl

ul.hl.cn

ul.digital

ul.com.co

ul.edu.pk

ul.net

ul.by

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ul.fi

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ul.tips

ul.nu

ul.com.hk

ul.live

ul.edu.ph

ul.am

ul.school

ul.pl

ul.com.br

ul.lu

ul.cz

ul.org

ul.ca

ul.edu.co

ul.com.mx

ul.ae

ul.la

ul.com

ul.run

ul.be

ul.cc

ul.cn

ul.org.cn

ul.fyi

ul.to

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ul.com.sg

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ul.hu

ul.io

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ul.wine

ul.ink

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ul.camera

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ul.gd

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ul.de

DNS History

10 records (7 active, 3 former)

●NSdorthy.ns.cloudflare.com2026-06-10 → 2026-06-14 · 3 obs

○ 2018-06-19 21:11:48
● 2026-06-10 01:49:26
● 2026-06-14 17:58:16

●NSnitin.ns.cloudflare.com2026-06-10 → 2026-06-14 · 3 obs

○ 2018-06-19 21:11:48
● 2026-06-10 01:49:26
● 2026-06-14 17:58:16

○NSns1.dynadot.com2018-06-19 → 2018-06-19 · 3 obs

● 2018-06-19 21:11:48
○ 2026-06-10 01:49:26
○ 2026-06-14 17:58:16

○NSns2.dynadot.com2018-06-19 → 2018-06-19 · 3 obs

● 2018-06-19 21:11:48
○ 2026-06-10 01:49:26
○ 2026-06-14 17:58:16

●MXlu-world.mail.protection.outlook.com2026-06-10 → 2026-06-14 · 2 obs

● 2026-06-10 01:49:26
● 2026-06-14 17:58:16

●A104.21.36.1942026-06-10 → 2026-06-14 · 3 obs

○ 2018-06-19 21:11:48
● 2026-06-10 01:49:26
● 2026-06-14 17:58:16

●A172.67.198.1962026-06-10 → 2026-06-14 · 3 obs

○ 2018-06-19 21:11:48
● 2026-06-10 01:49:26
● 2026-06-14 17:58:16

●A2606:4700:3031::ac43:c6c42026-06-10 → 2026-06-14 · 3 obs

○ 2018-06-19 21:11:48
● 2026-06-10 01:49:26
● 2026-06-14 17:58:16

●A2606:4700:3034::6815:24c22026-06-10 → 2026-06-14 · 3 obs

○ 2018-06-19 21:11:48
● 2026-06-10 01:49:26
● 2026-06-14 17:58:16

○A52.0.217.442018-06-19 → 2018-06-19 · 3 obs

● 2018-06-19 21:11:48
○ 2026-06-10 01:49:26
○ 2026-06-14 17:58:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
world	v0n3.nic.world, v2n1.nic.world, v0n1.nic.world, v2n0.nic.world...	12 records
lu.world	nitin.ns.cloudflare.com, dorthy.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.249

NS records: nitin.ns.cloudflare.com, dorthy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lu.world (unsigned zone)

⏱️ Timing

Total: 389ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.36.194, 172.67.198.196`
AAAA	2	`2606:4700:3031::ac43:c6c4, 2606:4700:3034::6815:24c2`
NS	2	`dorthy.ns.cloudflare.com, nitin.ns.cloudflare.com`
MX	1	`lu-world.mail.protection.outlook.com (pr`
TXT	2	`MS=ms95265939, v=spf1 +a +mx +ip4:84.46.244.229 +ip4:72`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dorthy.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n3.nic.world, v0n3.nic.world, v2n1.nic.world...)

Analysis

IP Addresses

lu.world points to the four IP addresses 104.21.36.194, 172.67.198.196, 2606:4700:3031::ac43:c6c4 and 2606:4700:3034::6815:24c2.

Two other host names, along with poop22y7.taeek.com, nytimes-sudoku-archive.sunclothingetc.com and sudoku-samurai-online.sunclothingetc.com, also share IP numbers with lu.world.

Name Servers

lu.world is delegated to two name servers: dorthy.ns.cloudflare.com and nitin.ns.cloudflare.com.

lu.world shares its NS records with other domains, for example eduexpres.com, servers777.com, tkc.com.sa and two others.

The name servers of lu.world overlap at least partially with those of other domains — among them sdshuohuichem.com, jefsi.com, casinomamalon.mx and two more.

The name servers rayden.ns.cloudflare.com, abdullah.ns.cloudflare.com and cass.ns.cloudflare.com are commonly seen alongside these name servers.

DNS names with 6 IP addresses:

dorthy.ns.cloudflare.com resolves to 108.162.192.249, 172.64.32.249, 173.245.58.249 and 3 other IP addresses.

nitin.ns.cloudflare.com resolves to 108.162.193.215, 172.64.33.215, 173.245.59.215 and 3 other IP addresses.

Mail Servers

The sole mail server for lu.world is lu-world.mail.protection.outlook.com.

With 8 IP addresses total, lu-world.mail.protection.outlook.com resolves to 52.101.68.5, 52.101.68.18, 52.101.68.21 and 5 others.

lu.world - robtex.com

lu.world

world

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

`lu.world`

`world`