mail.extrabold.lu - robtex.com

mail.extrabold.lu

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:1430🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:bf59🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.20.48Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.191.89🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.20.48, 172.67.191.89
IPv62606:4700:3033::6815:1430, 2606:4700:3033::ac43:bf59

extrabold.lu

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:1430🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:bf59🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.20.48Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.191.89🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSaugustus.ns.cloudflare.com ⭐
NSdanica.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.20.48, 172.67.191.89
IPv62606:4700:3033::6815:1430, 2606:4700:3033::ac43:bf59
SOAaugustus.ns.cloudflare.comdns@cloudflare.com serial=2398536343

Previously MX for

extrabold.lu

Same first word

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DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026A104.21.20.48172.67.191.892606:4700:3033::6815:14302606:4700:3033::ac43:bf5980.237.161.184
●A104.21.20.482026-03-27 → 2026-03-27 · 3 obs
○ 2016-09-07 17:36:44
● 2026-03-27 11:49:26
● 2026-03-27 11:49:28
●A172.67.191.892026-03-27 → 2026-03-27 · 3 obs
○ 2016-09-07 17:36:44
● 2026-03-27 11:49:26
● 2026-03-27 11:49:28
●A2606:4700:3033::6815:14302026-03-27 → 2026-03-27 · 3 obs
○ 2016-09-07 17:36:44
● 2026-03-27 11:49:26
● 2026-03-27 11:49:28
●A2606:4700:3033::ac43:bf592026-03-27 → 2026-03-27 · 3 obs
○ 2016-09-07 17:36:44
● 2026-03-27 11:49:26
● 2026-03-27 11:49:28
○A80.237.161.1842015-05-26 → 2016-09-07 · 4 obs
● 2015-05-26 08:14:38
● 2016-09-07 17:36:44
○ 2026-03-27 11:49:26
○ 2026-03-27 11:49:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
lui.dns.lu, ns1.dns.lu, k.dns.lu, p.dns.lu...-
extrabold.ludanica.ns.cloudflare.com, augustus.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.195.2

NS records: danica.ns.cloudflare.com, augustus.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for extrabold.lu (unsigned zone)

⏱️ Timing

Total: 552ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.20.48, 172.67.191.89
AAAA22606:4700:3033::6815:1430, 2606:4700:3033::ac43:bf59
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.extrabold.lu maps to four IP numbers: 2606:4700:3033::6815:1430, 2606:4700:3033::ac43:bf59, 104.21.20.48 and 172.67.191.89.

Other host names such as banglaid.com, gitex-europe.com, chndoor.com, www.egyydcehpdilj.site and drm.co.za share IPs with mail.extrabold.lu.