format.lu - dns.ninja

format.lu

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:caa0πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:3035::6815:1627πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.21.22.39Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.202.160πŸ‡ΊπŸ‡Έ Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
NSalex.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b64πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalex.ns.cloudflare.com
A2803:f800:50::6ca2:c164πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRalex.ns.cloudflare.com
A2a06:98c1:50::ac40:2164πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRalex.ns.cloudflare.com
A108.162.193.100πŸ‡ΊπŸ‡Έ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalex.ns.cloudflare.com
A172.64.33.100πŸ‡ΊπŸ‡Έ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalex.ns.cloudflare.com
A173.245.59.100πŸ‡ΊπŸ‡Έ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalex.ns.cloudflare.com
NSzita.ns.cloudflare.com
A2606:4700:50::adf5:3af3πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzita.ns.cloudflare.com
A2803:f800:50::6ca2:c0f3πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRzita.ns.cloudflare.com
A2a06:98c1:50::ac40:20f3πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRzita.ns.cloudflare.com
A108.162.192.243πŸ‡ΊπŸ‡Έ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzita.ns.cloudflare.com
A172.64.32.243πŸ‡ΊπŸ‡Έ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzita.ns.cloudflare.com
A173.245.58.243πŸ‡ΊπŸ‡Έ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzita.ns.cloudflare.com
MXexchange.format.lu ⭐
A217.31.68.238πŸ‡±πŸ‡Ί AS15965217.31.64.0/20 CEGECOM
PTRexchange.format.lu
TXTMS=758AAC335254291A500D26C148D1C5181F834E09
TXTgoogle-site-verification=1VcjzqKhFM9cXe4spOXSXXnRqcGFd47aDJ2JaKCUiPo
TXTlinkedin-site-verification=a4020da1-8a02-49ee-ae76-7668f5b6437d
TXTv=spf1 ip4:217.31.68.238 mx include:spf.mailjet.com ~all
HTTPSHTTP/3, HTTP/2 βœ“ hints match
IPv4 hints104.21.22.39, 172.67.202.160
IPv6 hints2606:4700:3031::ac43:caa0, 2606:4700:3035::6815:1627
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=62, name=cloudflare-ech.com
SOAalex.ns.cloudflare.comdns@cloudflare.com serial=2410019538

lu

DNSSECπŸ”’ Signed (DS record present)
NS1.ns.lu ⭐
NSg.dns.lu
NSi.dns.lu
NSj.dns.lu
NSk.dns.lu
NSp.dns.lu
NSr.ns.lu
TXTExported: 2026-07-23 19:01:01
SOA1.ns.lunoc@restena.lu serial=1784826072

Subdomains

Same first word

Similar names

DNS History

17 records (7 active, 10 former)

20162017201820192020202120222023202420252026NSalex.ns.cloudflare.comzita.ns.cloudflare.commerkur.vo.luneptun.vo.luMXexchange.format.luA104.21.22.39172.67.202.1602606:4700:3031::ac43:caa02606:4700:3035::6815:1627188.114.96.0188.114.97.02606:4700:3033::6815:16272606:4700:3036::ac43:caa02a06:98c1:3120::2a06:98c1:3121::80.90.45.5785.93.210.148
●NSalex.ns.cloudflare.com2026-04-05 β†’ 2026-07-23 Β· 3 obs
β—‹ 2016-12-29 02:07:40
● 2026-04-05 06:15:46
● 2026-07-23 17:12:00
β—‹NSmerkur.vo.lu2015-07-24 β†’ 2016-12-29 Β· 4 obs
● 2015-07-24 10:34:30
● 2016-12-29 02:07:40
β—‹ 2026-04-05 06:15:46
β—‹ 2026-07-23 17:12:00
β—‹NSneptun.vo.lu2015-07-24 β†’ 2016-12-29 Β· 4 obs
● 2015-07-24 10:34:30
● 2016-12-29 02:07:40
β—‹ 2026-04-05 06:15:46
β—‹ 2026-07-23 17:12:00
●NSzita.ns.cloudflare.com2026-04-05 β†’ 2026-07-23 Β· 3 obs
β—‹ 2016-12-29 02:07:40
● 2026-04-05 06:15:46
● 2026-07-23 17:12:00
●MXexchange.format.lu2015-07-24 β†’ 2026-07-23 Β· 2 obs
● 2015-07-24 10:34:30
● 2026-07-23 17:12:00
●A104.21.22.392026-04-05 β†’ 2026-07-23 Β· 6 obs
β—‹ 2016-12-29 02:07:40
● 2026-04-05 06:15:46
● 2026-05-17 01:20:10
β—‹ 2026-06-07 18:37:20
● 2026-06-08 16:46:40
● 2026-07-23 17:12:00
●A172.67.202.1602026-04-05 β†’ 2026-07-23 Β· 6 obs
β—‹ 2016-12-29 02:07:40
● 2026-04-05 06:15:46
● 2026-05-17 01:20:10
β—‹ 2026-06-07 18:37:20
● 2026-06-08 16:46:40
● 2026-07-23 17:12:00
β—‹A188.114.96.02026-06-07 β†’ 2026-06-07 Β· 4 obs
β—‹ 2026-05-17 01:20:10
● 2026-06-07 18:37:20
β—‹ 2026-06-08 16:46:40
β—‹ 2026-07-23 17:12:00
β—‹A188.114.97.02026-06-07 β†’ 2026-06-07 Β· 4 obs
β—‹ 2026-05-17 01:20:10
● 2026-06-07 18:37:20
β—‹ 2026-06-08 16:46:40
β—‹ 2026-07-23 17:12:00
●A2606:4700:3031::ac43:caa02026-07-19 β†’ 2026-07-23 Β· 3 obs
β—‹ 2026-06-17 02:19:50
● 2026-07-19 13:25:58
● 2026-07-23 17:12:00
β—‹A2606:4700:3033::6815:16272026-04-05 β†’ 2026-06-17 Β· 8 obs
β—‹ 2016-12-29 02:07:40
● 2026-04-05 06:15:46
● 2026-05-17 01:20:10
β—‹ 2026-06-07 18:37:20
● 2026-06-08 16:46:40
● 2026-06-17 02:19:50
β—‹ 2026-07-19 13:25:58
β—‹ 2026-07-23 17:12:00
●A2606:4700:3035::6815:16272026-07-19 β†’ 2026-07-23 Β· 3 obs
β—‹ 2026-06-17 02:19:50
● 2026-07-19 13:25:58
● 2026-07-23 17:12:00
β—‹A2606:4700:3036::ac43:caa02026-04-05 β†’ 2026-06-17 Β· 8 obs
β—‹ 2016-12-29 02:07:40
● 2026-04-05 06:15:46
● 2026-05-17 01:20:10
β—‹ 2026-06-07 18:37:20
● 2026-06-08 16:46:40
● 2026-06-17 02:19:50
β—‹ 2026-07-19 13:25:58
β—‹ 2026-07-23 17:12:00
β—‹A2a06:98c1:3120::2026-06-07 β†’ 2026-06-07 Β· 4 obs
β—‹ 2026-05-17 01:20:10
● 2026-06-07 18:37:20
β—‹ 2026-06-08 16:46:40
β—‹ 2026-07-23 17:12:00
β—‹A2a06:98c1:3121::2026-06-07 β†’ 2026-06-07 Β· 4 obs
β—‹ 2026-05-17 01:20:10
● 2026-06-07 18:37:20
β—‹ 2026-06-08 16:46:40
β—‹ 2026-07-23 17:12:00
β—‹A80.90.45.572015-07-24 β†’ 2016-04-25 Β· 4 obs
● 2015-07-24 10:34:30
● 2016-04-25 22:11:14
β—‹ 2016-12-29 02:07:40
β—‹ 2026-07-23 17:12:00
β—‹A85.93.210.1482016-12-29 β†’ 2016-12-29 Β· 4 obs
β—‹ 2016-04-25 22:11:14
● 2016-12-29 02:07:40
β—‹ 2026-04-05 06:15:46
β—‹ 2026-07-23 17:12:00

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
lu1.ns.lu, g.dns.lu, i.dns.lu, j.dns.lu...14 records
format.lualex.ns.cloudflare.com, zita.ns.cloudflare.com-

βœ… Authoritative Response

Server:173.245.59.100

NS records: alex.ns.cloudflare.com, zita.ns.cloudflare.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for format.lu (unsigned zone)

⏱️ Timing

Total: 1836ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2172.67.202.160, 104.21.22.39
AAAA22606:4700:3035::6815:1627, 2606:4700:3031::ac43:caa0
NS2alex.ns.cloudflare.com, zita.ns.cloudflare.com
MX1exchange.format.lu (pri: 10)
TXT4MS=758AAC335254291A500D26C148D1C5181F834, google-site-verification=1VcjzqKhFM9cXe4...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1alex.ns.cloudflare.com dns.cloudflare.co

πŸ“Œ Glue Records Collected

Total: 14

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

Analysis

Hierarchy

exchange.format.lu is a subdomain of format.lu.

IP Addresses

format.lu points to the four IP addresses 104.21.22.39, 172.67.202.160, 2606:4700:3031::ac43:caa0 and 2606:4700:3035::6815:1627.

dame.bio, iconground.co.uk, juridicacliente.app and two other host names share IP numbers with format.lu.

Name Servers

The NS records for format.lu delegate to alex.ns.cloudflare.com and zita.ns.cloudflare.com.

format.lu uses the same name servers as several other domains β€” among them vpc.kr, rainforestab.ca, searchreplacehtml.com and two more.

The name servers of format.lu overlap at least partially with those of other domains β€” among them answering-svc.com, iyvqogsg.surf, performium.co and two more.

These name servers commonly appear in combination with the name servers lara.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

alex.ns.cloudflare.com maps to 108.162.193.100, 172.64.33.100, 173.245.59.100 and 3 additional IP addresses.

zita.ns.cloudflare.com maps to 108.162.192.243, 172.64.32.243, 173.245.58.243 and 3 additional IP addresses.

Mail Servers

Mail for format.lu is handled by a single mail server, exchange.format.lu.

exchange.format.lu resolves to 217.31.68.238 and no other IP number.