referenceur.lu - dns.ninja

`referenceur.lu`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:bac3^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:2441^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.36.65^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.186.195^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dion.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b9c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dion.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c19c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dion.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:219c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dion.ns.cloudflare.com`
		A	108.162.193.156^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dion.ns.cloudflare.com`
		A	172.64.33.156^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dion.ns.cloudflare.com`
		A	173.245.59.156^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dion.ns.cloudflare.com`
NS	`zoe.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a95^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zoe.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c095^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`zoe.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2095^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`zoe.ns.cloudflare.com`
		A	108.162.192.149^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zoe.ns.cloudflare.com`
		A	172.64.32.149^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zoe.ns.cloudflare.com`
		A	173.245.58.149^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zoe.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c27::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadsk-in-f27.1e100.net`
		A	172.253.122.26^{🇺🇸 Google172.253.122.0/24}
			PTR	`bh-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`brevo-code:e65be6654bb05f43ac35ab5f40a9e451`
TXT	`google-site-verification=IF88Z0lPOtekHIQcI7WdIeRY2he6n5F23ZSwsn2LDSA`
TXT	`google-site-verification=KhjekEmtktKs55RbPIrT_I74X_S8ksNw6YdX_gIbxFI`
TXT	`google-site-verification=g_sPF60FHouKdmaGyDFJCLS29LpRzbpgPFJBc6OJhsI`
TXT	`referenceur-verif-9ce8e2d8365c1c6f771d061492cd0fc0`
TXT	`v=spf1 ip4:188.166.193.140 include:_spf.google.com include:eu-sender.zohobook...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.36.65, 172.67.186.195
		IPv6 hints	2606:4700:3030::ac43:bac3, 2606:4700:3034::6815:2441
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=156, name=cloudflare-ech.com
SOA	`dion.ns.cloudflare.com`dns@cloudflare.com serial=2407370322

`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: 2026-06-23 19:01:01`
	SOA	`1.ns.lu`noc@restena.lu serial=1782234072

Same first word

referenceur.nl

referenceur.lu

referenceur.fr

referenceur.de

referenceur.eu

referenceur.ch

referenceur.com

referenceur.net

referenceur.pro

referenceur.be

DNS History

16 records (11 active, 5 former)

●NSdion.ns.cloudflare.com2026-03-01 → 2026-06-23 · 2 obs

● 2026-03-01 12:56:30
● 2026-06-23 17:58:16

●NSzoe.ns.cloudflare.com2026-03-01 → 2026-06-23 · 2 obs

● 2026-03-01 12:56:30
● 2026-06-23 17:58:16

●MXalt1.aspmx.l.google.com2026-03-01 → 2026-06-23 · 2 obs

● 2026-03-01 12:56:30
● 2026-06-23 17:58:16

●MXalt2.aspmx.l.google.com2026-03-01 → 2026-06-23 · 2 obs

● 2026-03-01 12:56:30
● 2026-06-23 17:58:16

●MXalt3.aspmx.l.google.com2026-03-01 → 2026-06-23 · 2 obs

● 2026-03-01 12:56:30
● 2026-06-23 17:58:16

●MXalt4.aspmx.l.google.com2026-03-01 → 2026-06-23 · 2 obs

● 2026-03-01 12:56:30
● 2026-06-23 17:58:16

●MXaspmx.l.google.com2026-03-01 → 2026-06-23 · 2 obs

● 2026-03-01 12:56:30
● 2026-06-23 17:58:16

●A104.21.36.652026-03-01 → 2026-06-23 · 5 obs

● 2026-03-01 12:56:30
● 2026-05-10 14:55:22
○ 2026-06-12 06:12:32
● 2026-06-12 19:08:52
● 2026-06-23 17:58:16

●A172.67.186.1952026-03-01 → 2026-06-23 · 5 obs

● 2026-03-01 12:56:30
● 2026-05-10 14:55:22
○ 2026-06-12 06:12:32
● 2026-06-12 19:08:52
● 2026-06-23 17:58:16

○A188.114.96.02026-06-12 → 2026-06-12 · 4 obs

○ 2026-05-10 14:55:22
● 2026-06-12 06:12:32
○ 2026-06-12 19:08:52
○ 2026-06-23 17:58:16

○A188.114.97.02026-06-12 → 2026-06-12 · 4 obs

○ 2026-05-10 14:55:22
● 2026-06-12 06:12:32
○ 2026-06-12 19:08:52
○ 2026-06-23 17:58:16

●A2606:4700:3030::ac43:bac32026-06-23 → 2026-06-23 · 2 obs

○ 2026-06-12 19:08:52
● 2026-06-23 17:58:16

●A2606:4700:3034::6815:24412026-03-01 → 2026-06-23 · 5 obs

● 2026-03-01 12:56:30
● 2026-05-10 14:55:22
○ 2026-06-12 06:12:32
● 2026-06-12 19:08:52
● 2026-06-23 17:58:16

○A2606:4700:3035::ac43:bac32026-03-01 → 2026-06-12 · 5 obs

● 2026-03-01 12:56:30
● 2026-05-10 14:55:22
○ 2026-06-12 06:12:32
● 2026-06-12 19:08:52
○ 2026-06-23 17:58:16

○A2a06:98c1:3120::2026-06-12 → 2026-06-12 · 4 obs

○ 2026-05-10 14:55:22
● 2026-06-12 06:12:32
○ 2026-06-12 19:08:52
○ 2026-06-23 17:58:16

○A2a06:98c1:3121::2026-06-12 → 2026-06-12 · 4 obs

○ 2026-05-10 14:55:22
● 2026-06-12 06:12:32
○ 2026-06-12 19:08:52
○ 2026-06-23 17:58:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
lu	1.ns.lu, g.dns.lu, i.dns.lu, j.dns.lu...	14 records
referenceur.lu	zoe.ns.cloudflare.com, dion.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.156

NS records: zoe.ns.cloudflare.com, dion.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for referenceur.lu (unsigned zone)

⏱️ Timing

Total: 1013ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.186.195, 104.21.36.65`
AAAA	2	`2606:4700:3030::ac43:bac3, 2606:4700:3034::6815:2441`
NS	2	`dion.ns.cloudflare.com, zoe.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	6	`brevo-code:e65be6654bb05f43ac35ab5f40a9e, google-site-verification=IF88Z0lPOtekHIQ...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dion.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 14

In-bailiwick: 14 (1.ns.lu, 1.ns.lu, g.dns.lu...)

Analysis

IP Addresses

referenceur.lu has four IP addresses: 104.21.36.65, 172.67.186.195, 2606:4700:3030::ac43:bac3 and 2606:4700:3034::6815:2441.

cookerybase.com, cp.thol.com.vn, followpos.com and two other host names share IP numbers with referenceur.lu.

Name Servers

DNS delegation for referenceur.lu points to two name servers: dion.ns.cloudflare.com and zoe.ns.cloudflare.com.

referenceur.lu uses the same name servers as several other domains — among them maxnull.com, bayareafootandanklecenter.com, retrokitten.com and two more.

referenceur.lu shares at least some of its name servers with other domains, including 188bet.org.vc, 936cc.com, energyinteractive.net and two others.

These name servers are frequently paired with the name servers josephine.ns.cloudflare.com and aiden.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

dion.ns.cloudflare.com has IP addresses 108.162.193.156, 172.64.33.156 and 173.245.59.156, plus 3 other.

zoe.ns.cloudflare.com has IP addresses 108.162.192.149, 172.64.32.149 and 173.245.58.149, plus 3 other.

Mail Servers

Mail for referenceur.lu is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

referenceur.lu has at least partial mail server overlap with other domains such as ns500754.ns500742.ns500742.ns500671.ns500704.ns500705.ns500688.ns500705.ns500291.ns500671.ns500291.ns500153.tenderladiesbz.com, ns500742.ns500742.ns500754.ns500731.ns500731.ns500671.ns500704.ns500704.ns500688.ns500678.ns500678.ns500678.lusty(0x736c7574)z.com, ns500754.ns500754.ns500742.ns500731.ns500704.ns500742.ns500731.ns500704.ns500688.ns500688.ns500678.ns500649.ns500666.ns500131.lustychickser.com and two more.

These mail servers commonly co-occur with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 others.

Hostnames that resolve to two IP addresses:

aspmx.l.google.com has two IP addresses: 172.253.122.26 and 2607:f8b0:4004:c27::1b.

alt1.aspmx.l.google.com has two IP addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com has two IP addresses: 172.253.116.26 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com has two IP addresses: 192.178.223.27 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com has two IP addresses: 172.253.157.27 and 2a00:1450:400c:c23::1b.