cdu.su - dns.ninja

cdu.su

DNSSEC⚠️ Not signed
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
NScris.ns.cloudflare.com
A2606:4700:58::a29f:2cca🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcris.ns.cloudflare.com
A2803:f800:50::6ca2:c3ca🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcris.ns.cloudflare.com
A2a06:98c1:50::ac40:23ca🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcris.ns.cloudflare.com
A108.162.195.202🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcris.ns.cloudflare.com
A162.159.44.202Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcris.ns.cloudflare.com
A172.64.35.202🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcris.ns.cloudflare.com
MXroute1.mx.cloudflare.net ⭐
A2606:4700:f5::b🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::c🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::d🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.11Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.12Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.13Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
MXroute2.mx.cloudflare.net(11)
A2606:4700:f5::e🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::f🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::10🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.17Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.18Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.19Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
MXroute3.mx.cloudflare.net(18)
A2606:4700:f5::11🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::12🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::13🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.23Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.24Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.25Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
TXTv=spf1 include:_spf.mx.cloudflare.net ~all
SOAamy.ns.cloudflare.comdns@cloudflare.com serial=2403542117

su

DNSSEC🔒 Signed (DS record present)
NSa.dns.ripn.net ⭐
NSb.dns.ripn.net
NSd.dns.ripn.net
NSe.dns.ripn.net
NSf.dns.ripn.net
SOAa.dns.ripn.nethostmaster@ripn.net serial=650209633

Same first word

cdu.bayern
cdu.jp
cdu.gov.ye
cdu.edu
cdu.hr
cdu.edu.au
cdu.org
cdu.sk
cdu.se
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Similar names

ucd.money
udc.bg
udc.ch
udc.pl
cud.fr
duc.lu
udc.com
dcu.my
dcu.org.cn
ucd.at
duc.com.mx
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cud.moda
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duc.koeln
cud.pl
ucd.it
udc.edu.ar
udc.org.bw
duc.co.uk
udc.gal
cud.co
ucd.ac.ma
dcu.academy
udc.com.vn
udc.tv
udc.com.ua
dcu.dk
udc.com.tr
ucd.co.za
duc.co.za
ucd.org.mx
duc.nl
udc.edu.br
cud.org.pl
duc.edu.gh
udc.co.uk
dcu.ac.jp
dcu.co
ucd.uz
duc.ca
cud.info
duc.one
udc.org
cud.at
ucd.se
ucd.com.mx
duc.vn
duc.me
udc.nl
udc.hk
dcu.ie
cud.ac.ae
dcu.cn
duc.kr
duc.es
cud.eu
duc.hu
udc.cw
udc.cc
dcu.nu
udc.mx
duc.tf
dcu.org
duc.eu
cud.net
cud.de
udc.cz
ucd.cz
udc.com.tw
udc.hu
ucd.co
udc.be
dcu.me
ucd.com.cn
cud.se
duc.fr
udc.in

DNS History

10 records (5 active, 5 former)

20162017201820192020202120222023202420252026NSamy.ns.cloudflare.comcris.ns.cloudflare.comdns1.yandex.netdns2.yandex.netMXroute1.mx.cloudflare.netroute2.mx.cloudflare.netroute3.mx.cloudflare.netmx.yandex.ruA81.177.139.16381.177.141.70
●NSamy.ns.cloudflare.com2026-02-24 → 2026-06-27 · 3 obs
○ 2020-10-17 09:33:44
● 2026-02-24 18:55:52
● 2026-06-27 21:57:02
●NScris.ns.cloudflare.com2026-02-24 → 2026-06-27 · 3 obs
○ 2020-10-17 09:33:44
● 2026-02-24 18:55:52
● 2026-06-27 21:57:02
○NSdns1.yandex.net2015-06-09 → 2020-10-17 · 4 obs
● 2015-06-09 09:14:52
● 2020-10-17 09:33:44
○ 2026-02-24 18:55:52
○ 2026-06-27 21:57:02
○NSdns2.yandex.net2015-06-09 → 2020-10-17 · 4 obs
● 2015-06-09 09:14:52
● 2020-10-17 09:33:44
○ 2026-02-24 18:55:52
○ 2026-06-27 21:57:02
○MXmx.yandex.ru2015-06-09 → 2020-10-17 · 4 obs
● 2015-06-09 09:14:52
● 2020-10-17 09:33:44
○ 2026-02-24 18:55:52
○ 2026-06-27 21:57:02
●MXroute1.mx.cloudflare.net2026-02-24 → 2026-06-27 · 3 obs
○ 2020-10-17 09:33:44
● 2026-02-24 18:55:52
● 2026-06-27 21:57:02
●MXroute2.mx.cloudflare.net2026-02-24 → 2026-06-27 · 3 obs
○ 2020-10-17 09:33:44
● 2026-02-24 18:55:52
● 2026-06-27 21:57:02
●MXroute3.mx.cloudflare.net2026-02-24 → 2026-06-27 · 3 obs
○ 2020-10-17 09:33:44
● 2026-02-24 18:55:52
● 2026-06-27 21:57:02
○A81.177.139.1632015-06-09 → 2016-03-30 · 4 obs
● 2015-06-09 09:14:52
● 2016-03-30 08:17:26
○ 2016-07-26 00:24:36
○ 2026-06-27 21:57:02
○A81.177.141.702016-07-26 → 2020-10-17 · 5 obs
○ 2016-03-30 08:17:26
● 2016-07-26 00:24:36
● 2020-10-17 09:33:44
○ 2026-02-24 18:55:52
○ 2026-06-27 21:57:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
sua.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...10 records
cdu.suamy.ns.cloudflare.com, cris.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.101

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cdu.su (unsigned zone)

⏱️ Timing

Total: 745ms | Queries: -

📄 Records

TypeCountSample Data
NS2amy.ns.cloudflare.com, cris.ns.cloudflare.com
MX3route1.mx.cloudflare.net (pri: 1), route2.mx.cloudflare.net (pri: 11)...
TXT1v=spf1 include:_spf.mx.cloudflare.net ~a
SOA1amy.ns.cloudflare.com dns.cloudflare.com

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (a.dns.ripn.net, a.dns.ripn.net, b.dns.ripn.net...)

Analysis

Name Servers

DNS delegation for cdu.su points to two name servers: amy.ns.cloudflare.com and cris.ns.cloudflare.com.

cdu.su shares its NS records with other domains, for example fastpages.net, piter-ts.com, ediccollege.org and two others.

There is at least partial name server overlap between cdu.su and other domains — matthewmelinger.com, scottishairgunner.com, cacasino.com and two more among them.

These name servers frequently co-occur with the name servers byron.ns.cloudflare.com and jamie.ns.cloudflare.com.

DNS names with 6 IP addresses:

amy.ns.cloudflare.com has IP addresses 108.162.192.101, 172.64.32.101 and 173.245.58.101, plus 3 other.

cris.ns.cloudflare.com has IP addresses 108.162.195.202, 162.159.44.202 and 172.64.35.202, plus 3 other.

Mail Servers

Incoming mail for cdu.su is delivered via three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

There is at least a partial MX overlap between cdu.su and other domains, including adame.io, snapsystems.com, alappin.com and two others.

DNS names with 6 IP addresses:

route1.mx.cloudflare.net has IP addresses 162.159.205.11, 162.159.205.12 and 162.159.205.13, plus 3 other.

route2.mx.cloudflare.net has IP addresses 162.159.205.17, 162.159.205.18 and 162.159.205.19, plus 3 other.

route3.mx.cloudflare.net has IP addresses 162.159.205.23, 162.159.205.24 and 162.159.205.25, plus 3 other.