ealc.lu - robtex.com

ealc.lu

DNSSEC🔒 Signed (DS record present)
A2606:4700:3108::ac42:285b🇺🇸 Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3108::ac42:2ba5🇺🇸 Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.66.40.91🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.66.43.165🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSblue.foundationdns.com ⭐
A2606:4700:57::6ca2:c601🇺🇸 Cloudflare2606:4700:57::/48
PTRblue.foundationdns.com
A2803:f800:52::a29f:3c01🇨🇷 Cloudflare2803:f800:52::/48 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRblue.foundationdns.com
A2a06:98c1:56::ac40:2801🇺🇸 Cloudflare2a06:98c1:56::/48
PTRblue.foundationdns.com
A108.162.198.1🇺🇸 Cloudflare108.162.198.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRblue.foundationdns.com
A162.159.60.1Cloudflare162.159.60.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRblue.foundationdns.com
A172.64.40.1🇺🇸 Cloudflare172.64.40.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRblue.foundationdns.com
NSblue.foundationdns.net
A2606:4700:57::6ca2:c61f🇺🇸 Cloudflare2606:4700:57::/48
PTRblue.foundationdns.net
A2803:f800:52::a29f:3c1f🇨🇷 Cloudflare2803:f800:52::/48 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRblue.foundationdns.net
A2a06:98c1:56::ac40:281f🇺🇸 Cloudflare2a06:98c1:56::/48
PTRblue.foundationdns.net
A108.162.198.31🇺🇸 Cloudflare108.162.198.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRblue.foundationdns.net
A162.159.60.31Cloudflare162.159.60.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRblue.foundationdns.net
A172.64.40.31🇺🇸 Cloudflare172.64.40.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRblue.foundationdns.net
NSblue.foundationdns.org
A2606:4700:57::6ca2:c63d🇺🇸 Cloudflare2606:4700:57::/48
PTRblue.foundationdns.org
A2803:f800:52::a29f:3c3d🇨🇷 Cloudflare2803:f800:52::/48 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRblue.foundationdns.org
A2a06:98c1:56::ac40:283d🇺🇸 Cloudflare2a06:98c1:56::/48
PTRblue.foundationdns.org
A108.162.198.61🇺🇸 Cloudflare108.162.198.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRblue.foundationdns.org
A162.159.60.61Cloudflare162.159.60.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRblue.foundationdns.org
A172.64.40.61🇺🇸 Cloudflare172.64.40.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRblue.foundationdns.org
MXesa1.eurocontrol.int ⭐
A2620:101:2009:d100::10🇺🇸 CISCO-22620:101:2009::/48 170 West Tasman Drive San Jose CA 95134 United States
A68.232.133.181🇺🇸 CISCO-268.232.133.0/24 Cisco Systems Ironport Division
MXesa2.eurocontrol.int ⭐
A2620:101:200a:d100::16🇺🇸 CISCO-22620:101:200a::/48 170 West Tasman Drive San Jose CA 95134 United States
A68.232.139.104🇺🇸 CISCO-268.232.139.0/24 Cisco Systems Ironport Division
TXTv=spf1 -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4172.66.40.91, 172.66.43.165
IPv62606:4700:3108::ac42:285b, 2606:4700:3108::ac42:2ba5
SOAblue.foundationdns.comdns@cloudflare.com serial=2398810258

lu

DNSSEC🔒 Signed (DS record present)
NSns1.dns.lu ⭐
NSg.dns.lu
NSi.dns.lu
NSj.dns.lu
NSk.dns.lu
NSp.dns.lu
TXTExported: 2026-03-24 18:01:01
SOAns1.dns.lunoc@restena.lu serial=1774371672
🔒 HSTS Preload (+subdomains)

Same first word

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DNS History

9 records (9 active, 0 former)

NSblue.foundationdns.comblue.foundationdns.netblue.foundationdns.orgMXesa1.eurocontrol.intesa2.eurocontrol.intA172.66.40.91172.66.43.1652606:4700:3108::ac42:285b2606:4700:3108::ac42:2ba5
●NSblue.foundationdns.com2026-03-13 → 2026-03-24 · 2 obs
● 2026-03-13 22:01:52
● 2026-03-24 18:29:26
●NSblue.foundationdns.net2026-03-13 → 2026-03-24 · 2 obs
● 2026-03-13 22:01:52
● 2026-03-24 18:29:26
●NSblue.foundationdns.org2026-03-13 → 2026-03-24 · 2 obs
● 2026-03-13 22:01:52
● 2026-03-24 18:29:26
●MXesa1.eurocontrol.int2026-03-13 → 2026-03-24 · 2 obs
● 2026-03-13 22:01:52
● 2026-03-24 18:29:26
●MXesa2.eurocontrol.int2026-03-13 → 2026-03-24 · 2 obs
● 2026-03-13 22:01:52
● 2026-03-24 18:29:26
●A172.66.40.912026-03-13 → 2026-03-24 · 2 obs
● 2026-03-13 22:01:52
● 2026-03-24 18:29:26
●A172.66.43.1652026-03-13 → 2026-03-24 · 2 obs
● 2026-03-13 22:01:52
● 2026-03-24 18:29:26
●A2606:4700:3108::ac42:285b2026-03-13 → 2026-03-24 · 2 obs
● 2026-03-13 22:01:52
● 2026-03-24 18:29:26
●A2606:4700:3108::ac42:2ba52026-03-13 → 2026-03-24 · 2 obs
● 2026-03-13 22:01:52
● 2026-03-24 18:29:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
lup.dns.lu, i.dns.lu, g.dns.lu, j.dns.lu...12 records
ealc.lublue.foundationdns.com, blue.foundationdns.net, blue.foundationdns.org-

✅ Authoritative Response

Server:108.162.198.31

NS records: blue.foundationdns.com, blue.foundationdns.net, blue.foundationdns.org

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 685ms | Queries: -

📄 Records

TypeCountSample Data
A2172.66.40.91, 172.66.43.165
AAAA22606:4700:3108::ac42:285b, 2606:4700:3108::ac42:2ba5
NS3blue.foundationdns.com, blue.foundationdns.net...
MX2esa1.eurocontrol.int (pri: 10), esa2.eurocontrol.int (pri: 10)
TXT1v=spf1 -all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1blue.foundationdns.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (ns1.dns.lu, p.dns.lu, k.dns.lu...)

Analysis

IP Addresses

Four IP numbers are pointed to by ealc.lu: 2606:4700:3108::ac42:285b, 2606:4700:3108::ac42:2ba5, 172.66.40.91 and 172.66.43.165.

other host names including ok-sim.com, betterbatt.com.au, www.brainstation-23.com, www.learnislam.sg and www.kpdashboard.com share IP numbers with ealc.lu.

Name Servers

ealc.lu is delegated to three name servers blue.foundationdns.com, blue.foundationdns.net and blue.foundationdns.org.

ealc.lu at least partially shares name servers with other domains, for instance askcreative.com, flclearinghouse.com, 4emerson.com, essenceglobal.com and energysaver.gov.

Name servers commonly used together include dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net, dns4.p01.nsone.net, fiber.utah.edu, ns5.utah.edu, ns6.utah.edu, ns.utah.edu and blue.

Host names with six IP numbers:

Host name blue.foundationdns.com points to: 2606:4700:57::6ca2:c601, 2803:f800:52::a29f:3c01, 2a06:98c1:56::ac40:2801, 108.162.198.1, 162.159.60.1 and 172.64.40.1.

Host name blue.foundationdns.net points to: 2606:4700:57::6ca2:c61f, 2803:f800:52::a29f:3c1f, 2a06:98c1:56::ac40:281f, 108.162.198.31, 162.159.60.31 and 172.64.40.31.

Host name blue.foundationdns.org points to: 2606:4700:57::6ca2:c63d, 2803:f800:52::a29f:3c3d, 2a06:98c1:56::ac40:283d, 108.162.198.61, 162.159.60.61 and 172.64.40.61.

Mail Servers

Two mail servers handle ealc.lu: esa1.eurocontrol.int and esa2.eurocontrol.int.

ealc.lu shares the same mail server setup as other domains, for instance euro-cdm.org, sdb.aero, sesardeploymentmanager.eu, eurocontrol.int.cdn.cloudflare.net and asas-tn.org.

Host names with two IP numbers:

The host name esa1.eurocontrol.int points to 2620:101:2009:d100::10 and 68.232.133.181; the host name esa2.eurocontrol.int points to 2620:101:200a:d100::16 and 68.232.139.104.