built.lu - dns.ninja

`built.lu`

DNSSEC	⚠️ Not signed
A	212.83.187.122^{🇫🇷 AS12876212.83.160.0/19 Scaleway Paris, France}
		PTR	`212-83-187-122.rev.poneytelecom.eu`
NS	`ns1.gandi.net` ⭐
		A	2001:4b98:aaaa::2^{🇫🇷 GANDI-LIVEDNS2001:4b98:aaaa::/48 GANDI is an ICANN accredited registrar and Cloud services provider}
			PTR	`ns-1-a.gandi.net`
		A	173.246.100.2^{🇺🇸 GANDI-LIVEDNS173.246.100.0/24 Gandi LiveDNS A}
			PTR	`ns-1-a.gandi.net`
NS	`ns-126-a.gandi.net`
		A	2001:4b98:aaaa::7f^{🇫🇷 GANDI-LIVEDNS2001:4b98:aaaa::/48 GANDI is an ICANN accredited registrar and Cloud services provider}
			PTR	`ns-126-a.gandi.net`
		A	173.246.100.127^{🇺🇸 GANDI-LIVEDNS173.246.100.0/24 Gandi LiveDNS A}
			PTR	`ns-126-a.gandi.net`
NS	`ns-140-b.gandi.net`
		A	2001:4b98:aaab::8d^{🇫🇷 GANDI-LIVEDNS2001:4b98:aaab::/48 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net}
			PTR	`ns-140-b.gandi.net`
		A	213.167.230.141^{🇫🇷 GANDI-LIVEDNS213.167.230.0/24 GANDI is an ICANN accredited registrar and Cloud services provider}
			PTR	`ns-140-b.gandi.net`
NS	`ns-4-c.gandi.net`
		A	2604:3400:aaac::5^{🇺🇸 GANDI-LIVEDNS2604:3400:aaac::/48 Gandi US Inc.}
			PTR	`ns-4-c.gandi.net`
		A	217.70.187.5^{🇫🇷 GANDI-LIVEDNS217.70.187.0/24 GANDI is an ICANN accredited registrar and Cloud services provider}
			PTR	`ns-4-c.gandi.net`
MX	`built-lu.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::2^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-du2pr03cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::7^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00307.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::d^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db6pr03cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::20^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr05cu00400.inbound.protection.outlook.com`
		A	52.101.68.12^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
		A	52.101.73.11^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am1pr04cu00103.inbound.protection.outlook.com`
		A	52.101.73.15^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am9pr04cu00107.inbound.protection.outlook.com`
		A	52.101.73.16^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
TXT	`MS=ms46511895`
TXT	`v=spf1 include:spf.protection.outlook.com include:_spf.apimo.pro -all`
SOA	`ns1.gandi.net`hostmaster@gandi.net serial=1785974400

`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: 2026-08-08 21:01:01`
	SOA	`1.ns.lu`noc@restena.lu serial=1786215672

Same first word

built.swiss

built.dev

built.glitch.me

built.info

built.city

built.me

built.nyc

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built.one

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Similar names

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lutbi.com

bluit.us

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bulit.com.ar

lubit.ch

tulib.com

bitul.ro

utlib.ca

utlib.ee

bitlu.com

bitlu.de

tulib.org

lubit.sk

bluit.it

DNS History

9 records (6 active, 3 former)

●NSns-126-a.gandi.net2026-02-17 → 2026-08-08 · 3 obs

○ 2018-09-05 15:41:30
● 2026-02-17 12:16:32
● 2026-08-08 19:48:46

●NSns-140-b.gandi.net2026-02-17 → 2026-08-08 · 3 obs

○ 2018-09-05 15:41:30
● 2026-02-17 12:16:32
● 2026-08-08 19:48:46

●NSns-4-c.gandi.net2026-02-17 → 2026-08-08 · 3 obs

○ 2018-09-05 15:41:30
● 2026-02-17 12:16:32
● 2026-08-08 19:48:46

●NSns1.gandi.net2026-02-17 → 2026-08-08 · 3 obs

○ 2018-09-05 15:41:30
● 2026-02-17 12:16:32
● 2026-08-08 19:48:46

○NSns1.root.lu2018-09-05 → 2018-09-05 · 3 obs

● 2018-09-05 15:41:30
○ 2026-02-17 12:16:32
○ 2026-08-08 19:48:46

○NSns2.root.lu2018-09-05 → 2018-09-05 · 3 obs

● 2018-09-05 15:41:30
○ 2026-02-17 12:16:32
○ 2026-08-08 19:48:46

●MXbuilt-lu.mail.protection.outlook.com2018-09-05 → 2026-08-08 · 2 obs

● 2018-09-05 15:41:30
● 2026-08-08 19:48:46

●A212.83.187.1222026-02-17 → 2026-08-08 · 3 obs

○ 2018-09-05 15:41:30
● 2026-02-17 12:16:32
● 2026-08-08 19:48:46

○A213.186.33.822018-09-05 → 2018-09-05 · 3 obs

● 2018-09-05 15:41:30
○ 2026-02-17 12:16:32
○ 2026-08-08 19:48:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
lu	j.dns.lu, p.dns.lu, r.ns.lu, g.dns.lu...	14 records
built.lu	ns-140-b.gandi.net, ns-4-c.gandi.net, ns-126-a.gandi.net	-

✅ Authoritative Response

Server:213.167.230.141

NS records: ns-140-b.gandi.net, ns-4-c.gandi.net, ns-126-a.gandi.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for built.lu (unsigned zone)

⏱️ Timing

Total: 1009ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`212.83.187.122`
NS	3	`ns-126-a.gandi.net, ns-4-c.gandi.net...`
MX	1	`built-lu.mail.protection.outlook.com (pr`
TXT	2	`MS=ms46511895, v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns1.gandi.net hostmaster.gandi.net`

📌 Glue Records Collected

Total: 14

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

Analysis

IP Addresses

built.lu has exactly one IP address — 212.83.187.122.

dyn.agenceducardinal.fr, immo-liberte.com, cabinet-caillot.com plus two other host names have IP numbers in common with built.lu.

Name Servers

Four name servers handle the delegation for built.lu: ns-126-a.gandi.net, ns-140-b.gandi.net, ns-4-c.gandi.net and ns1.gandi.net.

built.lu has at least partial name server overlap with other domains, such as e-stamped.com, adgs.fr, opt.be and two others.

ns-210-b.gandi.net, ns-205-a.gandi.net and ns-191-b.gandi.net — plus 7 other name servers — are commonly paired with these name servers.

ns-126-a.gandi.net, ns-140-b.gandi.net, ns-4-c.gandi.net and ns1.gandi.net all point to exactly two IP numbers each: ns-126-a.gandi.net → 173.246.100.127 and 2001:4b98:aaaa::7f; ns-140-b.gandi.net → 213.167.230.141 and 2001:4b98:aaab::8d; ns-4-c.gandi.net → 217.70.187.5 and 2604:3400:aaac::5; ns1.gandi.net → 173.246.100.2 and 2001:4b98:aaaa::2.

Mail Servers

built.lu uses one mail server — built-lu.mail.protection.outlook.com.

built-lu.mail.protection.outlook.com has 8 IP addresses: 52.101.68.12, 52.101.73.11, 52.101.73.15 plus 5 more.