duc.us - dns.ninja

`duc.us`

DNSSEC	⚠️ Not signed
A	143.198.68.197^{🇺🇸 DIGITALOCEAN143.198.64.0/20 DigitalOcean}
NS	`ns-canada.topdns.com` ⭐
		A	185.7.78.112^{🇳🇱 NFORCE185.7.78.0/24 Route object for 185.7.78.0/24}
			PTR	`smtp04.topdns.com`
NS	`ns-uk.topdns.com`
		A	43.245.50.34^{🇺🇸 VR-HOSTED43.245.50.0/24 NetActuate, Inc}
			PTR	`smtp02.topdns.com`
NS	`ns-usa.topdns.com`
		A	143.198.68.197^{🇺🇸 DIGITALOCEAN143.198.64.0/20 DigitalOcean}
		A	161.35.225.48^{🇺🇸 DIGITALOCEAN161.35.224.0/20 DigitalOcean}
SOA	`ns-canada.topdns.com`hostmaster@topdns.com 2026-03-26 #1

`us`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.cctld.us` ⭐
	NS	`b.cctld.us`
	NS	`f.cctld.us`
	NS	`k.cctld.us`
	NS	`m.cctld.us`
	NS	`n.cctld.us`
	NS	`w.cctld.us`
	NS	`x.cctld.us`
	NS	`y.cctld.us`
	SOA	`a.cctld.us`admin@tldns.godaddy serial=1782453952

Same first word

duc.nl

duc.edu.gh

duc.ca

duc.one

duc.vn

duc.me

duc.kr

duc.es

duc.hu

duc.tf

duc.eu

duc.fr

duc.link

duc.dk

duc.ro

duc.nu

duc.edu.sd

duc.as

duc.se

duc.ru

duc.com

duc.be

duc.com.ar

duc.fi

duc.co

duc.cc

duc.tech

duc.in

duc.com.kw

duc.edu.in

duc.de

duc.ch

duc.net

duc.us

duc.do

duc.cn

duc.ie

duc.work

duc.biz

duc.cz

duc.at

duc.si

duc.jp

duc.lu

duc.com.mx

duc.edu.iq

duc.koeln

duc.co.uk

duc.co.za

Similar names

cdu.edu.pl

dcu.net

cdu.it

cdu.me

ucd.edu

udc.edu

cdu.expert

dcu.ca

cud.com.pl

dcu.cz

udc.lv

cdu.ie

udc.uz

udc.co

udc.kr

cud.no

dcu.ua

cdu.su

cdu.pl

ucd.ro

cdu.mil.lv

ucd.com.tw

udc.go.ug

cdu.gl

udc.net

udc.co.nz

ucd.ru

cdu.nrw

ucd.jp

ucd.be

ucd.pl

udc.ro

cdu.com.ph

udc.br

ucd.ch

cdu.ac.in

cdu.edu.ua

udc.es

udc.com.mx

cud.re.kr

dcu.kr

cdu.cz

udc.ie

cdu.events

udc.ru

cud.co.jp

dcu.co.za

udc.pt

dcu.ru

cud.com.mx

dcu.info

ucd.ie

ucd.money

udc.bg

cdu.one

udc.ch

udc.pl

cud.fr

udc.com

dcu.my

dcu.org.cn

ucd.at

cud.com.au

cdu.cn

cdu.eu

cdu.fr

cud.moda

cdu.watch

cud.io

cud.pl

cdu.nu

ucd.it

udc.edu.ar

udc.org.bw

cdu.al

udc.gal

cud.co

ucd.ac.ma

dcu.academy

udc.com.vn

udc.tv

udc.com.ua

dcu.dk

udc.com.tr

DNS History

18 records (4 active, 14 former)

●NSns-canada.topdns.com2016-08-28 → 2026-06-26 · 7 obs

○ 2016-06-04 12:47:28
● 2016-08-28 16:18:48
● 2016-09-11 13:05:16
○ 2016-11-27 01:21:00
○ 2026-03-07 21:49:04
● 2026-03-26 16:15:24
● 2026-06-26 06:38:18

●NSns-uk.topdns.com2016-08-28 → 2026-06-26 · 7 obs

○ 2016-06-04 12:47:28
● 2016-08-28 16:18:48
● 2016-09-11 13:05:16
○ 2016-11-27 01:21:00
○ 2026-03-07 21:49:04
● 2026-03-26 16:15:24
● 2026-06-26 06:38:18

●NSns-usa.topdns.com2016-08-28 → 2026-06-26 · 7 obs

○ 2016-06-04 12:47:28
● 2016-08-28 16:18:48
● 2016-09-11 13:05:16
○ 2016-11-27 01:21:00
○ 2026-03-07 21:49:04
● 2026-03-26 16:15:24
● 2026-06-26 06:38:18

○NSns1.above.com2015-07-18 → 2026-03-07 · 15 obs

● 2015-07-18 01:31:18
○ 2015-09-22 19:12:46
○ 2016-03-13 00:52:44
● 2016-06-04 12:47:28
○ 2016-08-28 16:18:48
○ 2016-09-11 13:05:16
● 2016-11-27 01:21:00
● 2016-11-30 09:53:56
○ 2016-12-02 06:20:04
● 2016-12-05 22:15:40
○ 2017-07-25 08:48:42
● 2020-10-16 01:47:24
● 2026-03-07 21:49:04
○ 2026-03-26 16:15:24
○ 2026-06-26 06:38:18

○NSns1.abovedomains.com2026-02-22 → 2026-03-07 · 5 obs

○ 2020-10-16 01:47:24
● 2026-02-22 04:09:28
● 2026-03-07 21:49:04
○ 2026-03-26 16:15:24
○ 2026-06-26 06:38:18

○NSns1.sedoparking.com2015-09-22 → 2017-07-25 · 8 obs

○ 2015-07-18 01:31:18
● 2015-09-22 19:12:46
● 2016-03-13 00:52:44
○ 2016-06-04 12:47:28
○ 2016-12-05 22:15:40
● 2017-07-25 08:48:42
○ 2020-10-16 01:47:24
○ 2026-06-26 06:38:18

○NSns2.above.com2015-07-18 → 2026-03-07 · 13 obs

● 2015-07-18 01:31:18
○ 2015-09-22 19:12:46
○ 2016-03-13 00:52:44
● 2016-06-04 12:47:28
○ 2016-08-28 16:18:48
○ 2016-09-11 13:05:16
● 2016-11-27 01:21:00
● 2016-12-05 22:15:40
○ 2017-07-25 08:48:42
● 2020-10-16 01:47:24
● 2026-03-07 21:49:04
○ 2026-03-26 16:15:24
○ 2026-06-26 06:38:18

○NSns2.abovedomains.com2026-02-22 → 2026-03-07 · 5 obs

○ 2020-10-16 01:47:24
● 2026-02-22 04:09:28
● 2026-03-07 21:49:04
○ 2026-03-26 16:15:24
○ 2026-06-26 06:38:18

○NSns2.sedoparking.com2015-09-22 → 2017-07-25 · 8 obs

○ 2015-07-18 01:31:18
● 2015-09-22 19:12:46
● 2016-03-13 00:52:44
○ 2016-06-04 12:47:28
○ 2016-12-05 22:15:40
● 2017-07-25 08:48:42
○ 2020-10-16 01:47:24
○ 2026-06-26 06:38:18

○MXlocalhost2017-07-25 → 2017-07-25 · 4 obs

○ 2016-08-28 16:18:48
● 2017-07-25 08:48:42
○ 2020-10-16 01:47:24
○ 2026-06-26 06:38:18

○MXmail.nickstel.com2015-09-22 → 2016-03-13 · 5 obs

○ 2015-07-18 01:31:18
● 2015-09-22 19:12:46
● 2016-03-13 00:52:44
○ 2016-06-04 12:47:28
○ 2026-06-26 06:38:18

○MXmail.post-host.net2015-07-18 → 2016-06-04 · 6 obs

● 2015-07-18 01:31:18
○ 2015-09-22 19:12:46
○ 2016-03-13 00:52:44
● 2016-06-04 12:47:28
○ 2016-08-28 16:18:48
○ 2026-06-26 06:38:18

○MXpark-mx.above.com2020-10-16 → 2026-03-07 · 5 obs

○ 2017-07-25 08:48:42
● 2020-10-16 01:47:24
● 2026-03-07 21:49:04
○ 2026-03-26 16:15:24
○ 2026-06-26 06:38:18

○A103.224.182.2122015-07-18 → 2020-10-16 · 12 obs

○A103.224.182.2382026-02-22 → 2026-03-07 · 5 obs

○ 2020-10-16 01:47:24
● 2026-02-22 04:09:28
● 2026-03-07 21:49:04
○ 2026-03-26 16:15:24
○ 2026-06-26 06:38:18

●A143.198.68.1972026-03-26 → 2026-06-26 · 3 obs

○ 2026-03-07 21:49:04
● 2026-03-26 16:15:24
● 2026-06-26 06:38:18

○A46.166.189.982016-08-28 → 2016-09-11 · 5 obs

○ 2016-06-04 12:47:28
● 2016-08-28 16:18:48
● 2016-09-11 13:05:16
○ 2016-11-27 01:21:00
○ 2026-06-26 06:38:18

○A72.52.4.1192015-09-22 → 2017-07-25 · 8 obs

○ 2015-07-18 01:31:18
● 2015-09-22 19:12:46
● 2016-03-13 00:52:44
○ 2016-06-04 12:47:28
○ 2016-12-05 22:15:40
● 2017-07-25 08:48:42
○ 2020-10-16 01:47:24
○ 2026-06-26 06:38:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...	-
duc.us	ns-usa.topdns.com, ns-uk.topdns.com, ns-canada.topdns.com	-

✅ Authoritative Response

Server:161.35.225.48

NS records: ns-usa.topdns.com, ns-uk.topdns.com, ns-canada.topdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for duc.us (unsigned zone)

⏱️ Timing

Total: 872ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`143.198.68.197`
NS	3	`ns-canada.topdns.com, ns-usa.topdns.com...`
SOA	1	`ns-canada.topdns.com hostmaster.topdns.c`

Analysis

IP Addresses

duc.us points to a single IP number: 143.198.68.197.

Additional host names — tigerautosalvage.com, zealousfilms.com, beergame.us and two others — share IP numbers with duc.us.

Name Servers

The authoritative name servers for duc.us are ns-canada.topdns.com, ns-uk.topdns.com and ns-usa.topdns.com — three in total.

duc.us shares at least some of its name servers with other domains, including die-seo-agentur.com, gko.fr, lkteam.fr and two others.

These name servers are frequently paired with the name servers ns1.o2switch.net and ns2.o2switch.net.

Host names with two IP numbers:

ns-usa.topdns.com directs traffic to 143.198.68.197 and 161.35.225.48.

Host names pointing to a single IP address:

ns-canada.topdns.com has the IP address 185.7.78.112.

ns-uk.topdns.com has the IP address 43.245.50.34.