ddc521.com - robtex.com

ddc521.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:2fc9🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:ac72🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.47.201Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.172.114🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSed.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b6f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRed.ns.cloudflare.com
A2803:f800:50::6ca2:c16f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRed.ns.cloudflare.com
A2a06:98c1:50::ac40:216f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRed.ns.cloudflare.com
A108.162.193.111🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRed.ns.cloudflare.com
A172.64.33.111🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRed.ns.cloudflare.com
A173.245.59.111🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRed.ns.cloudflare.com
NSmariah.ns.cloudflare.com
A2606:4700:50::a29f:26c8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmariah.ns.cloudflare.com
A2803:f800:50::6ca2:c2c8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmariah.ns.cloudflare.com
A2a06:98c1:50::ac40:22c8🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmariah.ns.cloudflare.com
A108.162.194.200🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmariah.ns.cloudflare.com
A162.159.38.200Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmariah.ns.cloudflare.com
A172.64.34.200🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmariah.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.47.201, 172.67.172.114
IPv62606:4700:3032::6815:2fc9, 2606:4700:3033::ac43:ac72
SOAed.ns.cloudflare.comdns@cloudflare.com serial=2396475320

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=1774615147

Same first word

ddc521.com

Similar names

521cdd.net
521cdd.com
cdd521.com
521cdd.cn

DNS History

14 records (6 active, 8 former)

20162017201820192020202120222023202420252026NSed.ns.cloudflare.commariah.ns.cloudflare.comjm1.dns.comjm2.dns.comns1.alidns.comns2.alidns.comA104.21.47.201172.67.172.1142606:4700:3032::6815:2fc92606:4700:3033::ac43:ac72121.41.109.171185.235.121.6254.174.79.25CNAME404.dnsdun.com
●NSed.ns.cloudflare.com2026-03-26 → 2026-03-27 · 3 obs
○ 2020-03-26 12:08:32
● 2026-03-26 05:15:02
● 2026-03-27 12:45:34
○NSjm1.dns.com2020-03-26 → 2020-03-26 · 4 obs
○ 2017-03-30 19:02:24
● 2020-03-26 12:08:32
○ 2026-03-26 05:15:02
○ 2026-03-27 12:45:34
○NSjm2.dns.com2020-03-26 → 2020-03-26 · 4 obs
○ 2017-03-30 19:02:24
● 2020-03-26 12:08:32
○ 2026-03-26 05:15:02
○ 2026-03-27 12:45:34
●NSmariah.ns.cloudflare.com2026-03-26 → 2026-03-27 · 3 obs
○ 2020-03-26 12:08:32
● 2026-03-26 05:15:02
● 2026-03-27 12:45:34
○NSns1.alidns.com2016-03-24 → 2016-07-15 · 4 obs
● 2016-03-24 04:39:06
● 2016-07-15 02:37:50
○ 2017-03-30 19:02:24
○ 2026-03-27 12:45:34
○NSns2.alidns.com2016-03-24 → 2016-07-15 · 4 obs
● 2016-03-24 04:39:06
● 2016-07-15 02:37:50
○ 2017-03-30 19:02:24
○ 2026-03-27 12:45:34
●A104.21.47.2012026-03-26 → 2026-03-27 · 3 obs
○ 2020-03-26 12:08:32
● 2026-03-26 05:15:02
● 2026-03-27 12:45:34
○A121.41.109.1712016-03-24 → 2016-07-15 · 5 obs
○ 2015-05-22 13:20:00
● 2016-03-24 04:39:06
● 2016-07-15 02:37:50
○ 2017-03-30 19:02:24
○ 2026-03-27 12:45:34
●A172.67.172.1142026-03-26 → 2026-03-27 · 3 obs
○ 2020-03-26 12:08:32
● 2026-03-26 05:15:02
● 2026-03-27 12:45:34
○A185.235.121.622020-03-26 → 2020-03-26 · 4 obs
○ 2017-03-30 19:02:24
● 2020-03-26 12:08:32
○ 2026-03-26 05:15:02
○ 2026-03-27 12:45:34
●A2606:4700:3032::6815:2fc92026-03-26 → 2026-03-27 · 3 obs
○ 2020-03-26 12:08:32
● 2026-03-26 05:15:02
● 2026-03-27 12:45:34
●A2606:4700:3033::ac43:ac722026-03-26 → 2026-03-27 · 3 obs
○ 2020-03-26 12:08:32
● 2026-03-26 05:15:02
● 2026-03-27 12:45:34
○A54.174.79.252015-05-22 → 2015-05-22 · 3 obs
● 2015-05-22 13:20:00
○ 2026-03-26 05:15:02
○ 2026-03-27 12:45:34
○CNAME404.dnsdun.com2015-05-22 → 2015-10-16 · 4 obs
● 2015-05-22 13:20:00
● 2015-10-16 07:37:30
○ 2015-12-16 05:42:28
○ 2026-03-27 12:45:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
ddc521.comed.ns.cloudflare.com, mariah.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.111

NS records: ed.ns.cloudflare.com, mariah.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ddc521.com (unsigned zone)

⏱️ Timing

Total: 112ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.47.201, 172.67.172.114
AAAA22606:4700:3032::6815:2fc9, 2606:4700:3033::ac43:ac72
NS2ed.ns.cloudflare.com, mariah.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1ed.ns.cloudflare.com dns.cloudflare.com

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

ddc521.com resolves to four IPs: 2606:4700:3032::6815:2fc9, 2606:4700:3033::ac43:ac72, 104.21.47.201 and 172.67.172.114.

Other host names, for instance mail.repairpda.com, vitaltech.org.uk, www.brennanwindows.com, res.vinsieu.ro and outreach.pw share IP numbers with ddc521.com.

Name Servers

ddc521.com has two name servers: ed.ns.cloudflare.com and mariah.ns.cloudflare.com.

ddc521.com shares the same name server setup as other domains, for example cddexun.com, exo-global.com, yugangchunye.com, wsgwy.com and qdjz120.com.

ddc521.com shares some name servers with other domains, for example rhit.com.au, nacmoaa.org, bdmledu.com, occ.tw and chronotrack.cloud.

These name servers are commonly used with the name servers harvey.ns.cloudflare.com.

Host names with six IP numbers: ed.ns.cloudflare.com points to: 2606:4700:58::adf5:3b6f, 2803:f800:50::6ca2:c16f, 2a06:98c1:50::ac40:216f, 108.162.193.111, 172.64.33.111 and 173.245.59.111; mariah.ns.cloudflare.com points to: 2606:4700:50::a29f:26c8, 2803:f800:50::6ca2:c2c8, 2a06:98c1:50::ac40:22c8, 108.162.194.200, 162.159.38.200 and 172.64.34.200.