duplex24.com - robtex.com

duplex24.com

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:8264🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::6815:854🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.8.84Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.130.100🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdexter.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2cbe🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdexter.ns.cloudflare.com
A2803:f800:50::6ca2:c3be🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdexter.ns.cloudflare.com
A2a06:98c1:50::ac40:23be🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdexter.ns.cloudflare.com
A108.162.195.190🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdexter.ns.cloudflare.com
A162.159.44.190Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdexter.ns.cloudflare.com
A172.64.35.190🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdexter.ns.cloudflare.com
NSfay.ns.cloudflare.com
A2606:4700:50::adf5:3a73🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfay.ns.cloudflare.com
A2803:f800:50::6ca2:c073🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRfay.ns.cloudflare.com
A2a06:98c1:50::ac40:2073🇺🇸 Cloudflare2a06:98c1:50::/45
PTRfay.ns.cloudflare.com
A108.162.192.115🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfay.ns.cloudflare.com
A172.64.32.115🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfay.ns.cloudflare.com
A173.245.58.115🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfay.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.8.84, 172.67.130.100
IPv6 hints2606:4700:3030::ac43:8264, 2606:4700:3033::6815:854
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=1, name=cloudflare-ech.com
SOAdexter.ns.cloudflare.comdns@cloudflare.com serial=2403929187

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1778557431

Same first word

duplex24.com

DNS History

10 records (6 active, 4 former)

2017201820192020202120222023202420252026NSdexter.ns.cloudflare.comfay.ns.cloudflare.comns67.domaincontrol.comns68.domaincontrol.comMXmail.duplex24.comA104.21.8.84172.67.130.1002606:4700:3030::ac43:82642606:4700:3033::6815:854107.180.51.88
●NSdexter.ns.cloudflare.com2026-03-21 → 2026-05-12 · 3 obs
○ 2017-10-03 17:02:12
● 2026-03-21 15:53:24
● 2026-05-12 03:56:16
●NSfay.ns.cloudflare.com2026-03-21 → 2026-05-12 · 3 obs
○ 2017-10-03 17:02:12
● 2026-03-21 15:53:24
● 2026-05-12 03:56:16
○NSns67.domaincontrol.com2016-12-16 → 2017-10-03 · 4 obs
● 2016-12-16 11:26:52
● 2017-10-03 17:02:12
○ 2026-03-21 15:53:24
○ 2026-05-12 03:56:16
○NSns68.domaincontrol.com2016-12-16 → 2017-10-03 · 4 obs
● 2016-12-16 11:26:52
● 2017-10-03 17:02:12
○ 2026-03-21 15:53:24
○ 2026-05-12 03:56:16
○MXmail.duplex24.com2016-12-16 → 2017-10-03 · 4 obs
● 2016-12-16 11:26:52
● 2017-10-03 17:02:12
○ 2026-03-21 15:53:24
○ 2026-05-12 03:56:16
●A104.21.8.842026-03-21 → 2026-05-12 · 3 obs
○ 2017-10-03 17:02:12
● 2026-03-21 15:53:24
● 2026-05-12 03:56:16
○A107.180.51.882016-12-16 → 2017-10-03 · 4 obs
● 2016-12-16 11:26:52
● 2017-10-03 17:02:12
○ 2026-03-21 15:53:24
○ 2026-05-12 03:56:16
●A172.67.130.1002026-03-21 → 2026-05-12 · 3 obs
○ 2017-10-03 17:02:12
● 2026-03-21 15:53:24
● 2026-05-12 03:56:16
●A2606:4700:3030::ac43:82642026-03-21 → 2026-05-12 · 3 obs
○ 2017-10-03 17:02:12
● 2026-03-21 15:53:24
● 2026-05-12 03:56:16
●A2606:4700:3033::6815:8542026-03-21 → 2026-05-12 · 3 obs
○ 2017-10-03 17:02:12
● 2026-03-21 15:53:24
● 2026-05-12 03:56:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comm.gtld-servers.net, h.gtld-servers.net, g.gtld-servers.net, j.gtld-servers.net...-
duplex24.comfay.ns.cloudflare.com, dexter.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.190

NS records: fay.ns.cloudflare.com, dexter.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for duplex24.com (unsigned zone)

⏱️ Timing

Total: 334ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.8.84, 172.67.130.100
AAAA22606:4700:3030::ac43:8264, 2606:4700:3033::6815:854
NS2dexter.ns.cloudflare.com, fay.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1dexter.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (fay.ns.cloudflare.com, fay.ns.cloudflare.com, fay.ns.cloudflare.com...)

Analysis

IP Addresses

duplex24.com points to four IP numbers: 2606:4700:3030::ac43:8264, 2606:4700:3033::6815:854, 104.21.8.84 and 172.67.130.100.

Other host names, for instance mtadev.eu, mfchile.com, www.znki.shop, rockworld.fr and www.ajanto.fi share IP numbers with duplex24.com.

Name Servers

Delegation for duplex24.com rests with two name servers, dexter.ns.cloudflare.com and fay.ns.cloudflare.com.

duplex24.com shares the same name server setup as other domains, including reisreborn.tv, tpsteachersnetwork.org, postalservicehub.cfd, dfzqc(0x666170)i.vip and bcaid.vip.

duplex24.com at least partially shares name servers with other domains, for instance himalaya-taska.hu, cnsmunich.de, dolab.de, whmha.org and titisee.info.

These name servers are commonly used with neil.ns.cloudflare.com and jeff.ns.cloudflare.com.

Host names with six IP numbers: dexter.ns.cloudflare.com points to: 2606:4700:58::a29f:2cbe, 2803:f800:50::6ca2:c3be, 2a06:98c1:50::ac40:23be, 108.162.195.190, 162.159.44.190 and 172.64.35.190. fay.ns.cloudflare.com points to: 2606:4700:50::adf5:3a73, 2803:f800:50::6ca2:c073, 2a06:98c1:50::ac40:2073, 108.162.192.115, 172.64.32.115 and 173.245.58.115.