cu.lu - dns.ninja

`cu.lu`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:d288^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:3d81^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.61.129^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.210.136^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`alice.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a3c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alice.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c03c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alice.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:203c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alice.ns.cloudflare.com`
		A	108.162.192.60^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alice.ns.cloudflare.com`
		A	172.64.32.60^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alice.ns.cloudflare.com`
		A	173.245.58.60^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alice.ns.cloudflare.com`
NS	`viddy.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c63^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`viddy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c363^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`viddy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2363^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`viddy.ns.cloudflare.com`
		A	108.162.195.99^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.44.99^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.35.99^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mx1.hostinger.com.ua` ⭐
		A	2606:4700:90:0:c1f8:f874:2386:b61f^{🇺🇸 Cloudflare2606:4700:90::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.65.182.103^{🇺🇸 Cloudflare172.65.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mx2.hostinger.com.ua`⁽¹⁰⁾
		A	2606:4700:90:0:c1f8:f874:2386:b61f^{🇺🇸 Cloudflare2606:4700:90::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.65.182.103^{🇺🇸 Cloudflare172.65.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
TXT	`google-site-verification=-piSXXB1VPOXUNSMcrXyRbaE3zC3tQYNMNwRMK8FOZ8`
TXT	`google-site-verification=G7GeYveZR2x2v2UOWbeRTwzIUq2eD3qVDvWKOfKsHS8`
TXT	`v=spf1 include:_spf.mail.hostinger.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.61.129, 172.67.210.136
		IPv6 hints	2606:4700:3033::ac43:d288, 2606:4700:3035::6815:3d81
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=73, name=cloudflare-ech.com
SOA	`alice.ns.cloudflare.com`dns@cloudflare.com serial=2407531060

`lu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`1.ns.lu` ⭐
	NS	`g.dns.lu`
	NS	`i.dns.lu`
	NS	`j.dns.lu`
	NS	`k.dns.lu`
	NS	`p.dns.lu`
	NS	`r.ns.lu`
	TXT	`Exported: 2026-06-29 03:01:01`
	SOA	`1.ns.lu`noc@restena.lu serial=1782694872

rank #463656 globally
rank #112 in the tld
WOT: SAFE (66/100)

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DNS History

17 records (8 active, 9 former)

●NSalice.ns.cloudflare.com2026-02-21 → 2026-06-29 · 3 obs

○ 2019-10-19 09:55:32
● 2026-02-21 11:48:02
● 2026-06-29 01:45:04

○NSathena.ist.lu2015-08-29 → 2017-01-22 · 4 obs

● 2015-08-29 17:17:02
● 2017-01-22 18:05:56
○ 2019-08-12 19:58:08
○ 2026-06-29 01:45:04

○NSathena.uni.lu2015-08-29 → 2017-01-22 · 4 obs

● 2015-08-29 17:17:02
● 2017-01-22 18:05:56
○ 2019-08-12 19:58:08
○ 2026-06-29 01:45:04

○NSathena2016.ist.lu2019-08-12 → 2019-10-19 · 5 obs

○ 2017-01-22 18:05:56
● 2019-08-12 19:58:08
● 2019-10-19 09:55:32
○ 2026-02-21 11:48:02
○ 2026-06-29 01:45:04

○NSathena2016.uni.lu2019-08-12 → 2019-10-19 · 5 obs

○ 2017-01-22 18:05:56
● 2019-08-12 19:58:08
● 2019-10-19 09:55:32
○ 2026-02-21 11:48:02
○ 2026-06-29 01:45:04

○NSns1.restena.lu2015-08-29 → 2019-10-19 · 4 obs

● 2015-08-29 17:17:02
● 2019-10-19 09:55:32
○ 2026-02-21 11:48:02
○ 2026-06-29 01:45:04

○NSns2.restena.lu2019-08-12 → 2019-10-19 · 5 obs

○ 2017-01-22 18:05:56
● 2019-08-12 19:58:08
● 2019-10-19 09:55:32
○ 2026-02-21 11:48:02
○ 2026-06-29 01:45:04

●NSviddy.ns.cloudflare.com2026-02-21 → 2026-06-29 · 3 obs

○ 2019-10-19 09:55:32
● 2026-02-21 11:48:02
● 2026-06-29 01:45:04

○MXhercules.uni.lu2015-08-29 → 2016-04-18 · 4 obs

● 2015-08-29 17:17:02
● 2016-04-18 13:34:44
○ 2016-05-23 23:46:02
○ 2026-06-29 01:45:04

●MXmx1.hostinger.com.ua2026-02-21 → 2026-06-29 · 3 obs

○ 2016-05-23 23:46:02
● 2026-02-21 11:48:02
● 2026-06-29 01:45:04

●MXmx2.hostinger.com.ua2026-02-21 → 2026-06-29 · 3 obs

○ 2016-05-23 23:46:02
● 2026-02-21 11:48:02
● 2026-06-29 01:45:04

●A104.21.61.1292026-02-21 → 2026-06-29 · 2 obs

● 2026-02-21 11:48:02
● 2026-06-29 01:45:04

●A172.67.210.1362026-02-21 → 2026-06-29 · 2 obs

● 2026-02-21 11:48:02
● 2026-06-29 01:45:04

○A2606:4700:3031::6815:3d812026-02-21 → 2026-06-15 · 4 obs

● 2026-02-21 11:48:02
● 2026-06-15 21:14:08
○ 2026-06-24 12:29:34
○ 2026-06-29 01:45:04

●A2606:4700:3033::ac43:d2882026-06-24 → 2026-06-29 · 3 obs

○ 2026-06-15 21:14:08
● 2026-06-24 12:29:34
● 2026-06-29 01:45:04

●A2606:4700:3035::6815:3d812026-06-24 → 2026-06-29 · 3 obs

○ 2026-06-15 21:14:08
● 2026-06-24 12:29:34
● 2026-06-29 01:45:04

○A2606:4700:3037::ac43:d2882026-02-21 → 2026-06-15 · 4 obs

● 2026-02-21 11:48:02
● 2026-06-15 21:14:08
○ 2026-06-24 12:29:34
○ 2026-06-29 01:45:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
lu	g.dns.lu, i.dns.lu, j.dns.lu, k.dns.lu...	-
cu.lu	viddy.ns.cloudflare.com, alice.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.99

NS records: viddy.ns.cloudflare.com, alice.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cu.lu (unsigned zone)

⏱️ Timing

Total: 1678ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.210.136, 104.21.61.129`
AAAA	2	`2606:4700:3035::6815:3d81, 2606:4700:3033::ac43:d288`
NS	2	`alice.ns.cloudflare.com, viddy.ns.cloudflare.com`
MX	2	`mx2.hostinger.com.ua (pri: 10), mx1.hostinger.com.ua (pri: 5)`
TXT	3	`google-site-verification=-piSXXB1VPOXUNS, google-site-verification=G7GeYveZR2x2v2U...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`alice.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

cu.lu points to the four IP addresses 104.21.61.129, 172.67.210.136, 2606:4700:3033::ac43:d288 and 2606:4700:3035::6815:3d81.

wallze.com.br, sonmez.net, flybenefitsnz.com and two other host names share IP numbers with cu.lu.

Name Servers

cu.lu uses two name servers for its delegation: alice.ns.cloudflare.com and viddy.ns.cloudflare.com.

cu.lu uses the same name servers as several other domains — among them idsunb.com, radiomotor.no, ecosbolsa.com and two more.

At least some of cu.lu's name servers are shared with other domains, for example nnxnmy.com, my-order.online, parksideresortandspa.com and two more.

It is common for these name servers to be used in conjunction with the name servers jule.ns.cloudflare.com, piotr.ns.cloudflare.com and gloria.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

Hostname alice.ns.cloudflare.com directs to 108.162.192.60, 172.64.32.60 and 173.245.58.60 along with 3 other IP addresses.

Hostname viddy.ns.cloudflare.com directs to 108.162.195.99, 162.159.44.99 and 172.64.35.99 along with 3 other IP addresses.

Mail Servers

Mail for cu.lu is handled by two mail servers — mx1.hostinger.com.ua and mx2.hostinger.com.ua.

cu.lu uses an identical mail server configuration to several other domains — among them jurist.kh.ua, vip-club.hr, consys.com.ua and two more.

cu.lu has at least partial mail server overlap with other domains such as khmilnyk-cerkva.com, yarko.dp.ua, laser-time.com and two more.

mx1.hostinger.com.ua and mx2.hostinger.com.ua share the same two IP addresses — 172.65.182.103 and 2606:4700:90:0:c1f8:f874:2386:b61f.

Both mx1.hostinger.com.ua and mx2.hostinger.com.ua resolve to 2606:4700:90:0:c1f8:f874:2386:b61f IP addresses each.

Both mx1.hostinger.com.ua and mx2.hostinger.com.ua resolve to 172.65.182.103 IP addresses each.