ddu-research.com - robtex.com

ddu-research.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:d20🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::ac43:c5a2🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.13.32Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.197.162🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSamy.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a65🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamy.ns.cloudflare.com
A2803:f800:50::6ca2:c065🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRamy.ns.cloudflare.com
A2a06:98c1:50::ac40:2065🇺🇸 Cloudflare2a06:98c1:50::/45
PTRamy.ns.cloudflare.com
A108.162.192.101🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamy.ns.cloudflare.com
A172.64.32.101🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamy.ns.cloudflare.com
A173.245.58.101🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamy.ns.cloudflare.com
NSscott.ns.cloudflare.com
A2606:4700:58::adf5:3be6🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRscott.ns.cloudflare.com
A2803:f800:50::6ca2:c1e6🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRscott.ns.cloudflare.com
A2a06:98c1:50::ac40:21e6🇺🇸 Cloudflare2a06:98c1:50::/45
PTRscott.ns.cloudflare.com
A108.162.193.230🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRscott.ns.cloudflare.com
A172.64.33.230🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRscott.ns.cloudflare.com
A173.245.59.230🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRscott.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.13.32, 172.67.197.162
IPv6 hints2606:4700:3031::6815:d20, 2606:4700:3032::ac43:c5a2
SOAamy.ns.cloudflare.comdns@cloudflare.com serial=2399206568

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=1775983092

Same first word

ddu-research.com

DNS History

13 records (6 active, 7 former)

2017201820192020202120222023202420252026NSamy.ns.cloudflare.comscott.ns.cloudflare.comns.namespace4you.dens2.namespace4you.deMXmxlb.ispgateway.deA104.21.13.32172.67.197.1622606:4700:3031::6815:d202606:4700:3032::ac43:c5a2134.119.45.292a00:1158:1000:300::14e2a00:1158:1000:300::51d46.252.18.78
●NSamy.ns.cloudflare.com2026-04-07 → 2026-04-12 · 3 obs
○ 2018-09-30 00:01:54
● 2026-04-07 11:29:32
● 2026-04-12 08:38:50
○NSns.namespace4you.de2016-12-14 → 2018-09-30 · 4 obs
● 2016-12-14 03:17:48
● 2018-09-30 00:01:54
○ 2026-04-07 11:29:32
○ 2026-04-12 08:38:50
○NSns2.namespace4you.de2016-12-14 → 2018-09-30 · 4 obs
● 2016-12-14 03:17:48
● 2018-09-30 00:01:54
○ 2026-04-07 11:29:32
○ 2026-04-12 08:38:50
●NSscott.ns.cloudflare.com2026-04-07 → 2026-04-12 · 3 obs
○ 2018-09-30 00:01:54
● 2026-04-07 11:29:32
● 2026-04-12 08:38:50
○MXmxlb.ispgateway.de2016-12-14 → 2018-09-30 · 4 obs
● 2016-12-14 03:17:48
● 2018-09-30 00:01:54
○ 2026-04-07 11:29:32
○ 2026-04-12 08:38:50
●A104.21.13.322026-04-07 → 2026-04-12 · 3 obs
○ 2018-09-30 00:01:54
● 2026-04-07 11:29:32
● 2026-04-12 08:38:50
○A134.119.45.292016-12-14 → 2016-12-14 · 3 obs
● 2016-12-14 03:17:48
○ 2018-09-30 00:01:54
○ 2026-04-12 08:38:50
●A172.67.197.1622026-04-07 → 2026-04-12 · 3 obs
○ 2018-09-30 00:01:54
● 2026-04-07 11:29:32
● 2026-04-12 08:38:50
●A2606:4700:3031::6815:d202026-04-07 → 2026-04-12 · 3 obs
○ 2018-09-30 00:01:54
● 2026-04-07 11:29:32
● 2026-04-12 08:38:50
●A2606:4700:3032::ac43:c5a22026-04-07 → 2026-04-12 · 3 obs
○ 2018-09-30 00:01:54
● 2026-04-07 11:29:32
● 2026-04-12 08:38:50
○A2a00:1158:1000:300::14e2018-09-30 → 2018-09-30 · 4 obs
○ 2016-12-14 03:17:48
● 2018-09-30 00:01:54
○ 2026-04-07 11:29:32
○ 2026-04-12 08:38:50
○A2a00:1158:1000:300::51d2016-12-14 → 2016-12-14 · 3 obs
● 2016-12-14 03:17:48
○ 2018-09-30 00:01:54
○ 2026-04-12 08:38:50
○A46.252.18.782018-09-30 → 2018-09-30 · 4 obs
○ 2016-12-14 03:17:48
● 2018-09-30 00:01:54
○ 2026-04-07 11:29:32
○ 2026-04-12 08:38:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comk.gtld-servers.net, g.gtld-servers.net, e.gtld-servers.net, c.gtld-servers.net...-
ddu-research.comamy.ns.cloudflare.com, scott.ns.cloudflare.com12 records

✅ Authoritative Response

Server:173.245.59.230

NS records: amy.ns.cloudflare.com, scott.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ddu-research.com (unsigned zone)

⏱️ Timing

Total: 124ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.13.32, 172.67.197.162
AAAA22606:4700:3032::ac43:c5a2, 2606:4700:3031::6815:d20
NS2amy.ns.cloudflare.com, scott.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1amy.ns.cloudflare.com dns.cloudflare.com

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

Four IP numbers are pointed to by ddu-research.com: 2606:4700:3031::6815:d20, 2606:4700:3032::ac43:c5a2, 104.21.13.32 and 172.67.197.162.

other host names including gamebas.com, ns2.rice-puller.com, www.bonevlab.com, dns2.rice-puller.com and casaba.es share IP numbers with ddu-research.com.

Name Servers

ddu-research.com is delegated to two name servers amy.ns.cloudflare.com and scott.ns.cloudflare.com.

ddu-research.com shares the same name server setup as other domains, for instance youthphotocompetition.com, coinshibuinu.com, citylife.capetown, noahsnotes.org and covid19map.co.nz.

ddu-research.com at least partially shares name servers with other domains, for instance pdf-giant.top, adms.tr, q79bao.com, 91ky.com and comehometoluxury.com.

these name servers are commonly used alongside byron.ns.cloudflare.com.

Host names with six IP numbers:

Host name amy.ns.cloudflare.com points to: 2606:4700:50::adf5:3a65, 2803:f800:50::6ca2:c065, 2a06:98c1:50::ac40:2065, 108.162.192.101, 172.64.32.101 and 173.245.58.101.

Host name scott.ns.cloudflare.com points to: 2606:4700:58::adf5:3be6, 2803:f800:50::6ca2:c1e6, 2a06:98c1:50::ac40:21e6, 108.162.193.230, 172.64.33.230 and 173.245.59.230.