`dynamicduo.us`

DNSSEC	⚠️ Not signed
A	185.199.108.153^{🇺🇸 Fastly185.199.108.0/24 GitHub - 185.199.108.0/24}
		PTR	`cdn-185-199-108-153.github.com`
A	185.199.109.153^{🇺🇸 Fastly185.199.109.0/24 GitHub - 185.199.109.0/24}
A	185.199.110.153^{🇺🇸 Fastly185.199.110.0/24 GitHub - 185.199.110.0/24}
A	185.199.111.153^{🇺🇸 Fastly185.199.111.0/24 GitHub - 185.199.111.0/24}
NS	`ns-cloud-e1.googledomains.com` ⭐
		A	2001:4860:4802:32::6e^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-e1.googledomains.com`
		A	216.239.32.110^{🇺🇸 Google216.239.32.0/24}
			PTR	`ns-cloud-e1.googledomains.com`
NS	`ns-cloud-e2.googledomains.com`
		A	2001:4860:4802:34::6e^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-e2.googledomains.com`
		A	216.239.34.110^{🇺🇸 Google216.239.34.0/24}
			PTR	`ns-cloud-e2.googledomains.com`
NS	`ns-cloud-e3.googledomains.com`
		A	2001:4860:4802:36::6e^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-e3.googledomains.com`
		A	216.239.36.110^{🇺🇸 Google216.239.36.0/24}
			PTR	`ns-cloud-e3.googledomains.com`
NS	`ns-cloud-e4.googledomains.com`
		A	2001:4860:4802:38::6e^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-e4.googledomains.com`
		A	216.239.38.110^{🇺🇸 Google216.239.38.0/24}
			PTR	`ns-cloud-e4.googledomains.com`
SOA	`ns-cloud-e1.googledomains.com`cloud-dns-hostmaster@google.com serial=5

`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=1786037484

Same first word

dynamicduo.ca

dynamicduo.nl

dynamicduo.se

dynamicduo.net

dynamicduo.hu

dynamicduo.com.au

dynamicduo.cleaning

dynamicduo.ch

dynamicduo.com

dynamicduo.de

dynamicduo.co.nz

dynamicduo.org

dynamicduo.info

dynamicduo.us

Similar names

duodynamic.com

DNS History

22 records (8 active, 14 former)

●NSns-cloud-e1.googledomains.com2026-03-27 → 2026-08-06 · 3 obs

○ 2017-03-15 15:26:24
● 2026-03-27 06:54:46
● 2026-08-06 17:42:36

●NSns-cloud-e2.googledomains.com2026-03-27 → 2026-08-06 · 3 obs

○ 2017-03-15 15:26:24
● 2026-03-27 06:54:46
● 2026-08-06 17:42:36

●NSns-cloud-e3.googledomains.com2026-03-27 → 2026-08-06 · 3 obs

○ 2017-03-15 15:26:24
● 2026-03-27 06:54:46
● 2026-08-06 17:42:36

●NSns-cloud-e4.googledomains.com2026-03-27 → 2026-08-06 · 3 obs

○ 2017-03-15 15:26:24
● 2026-03-27 06:54:46
● 2026-08-06 17:42:36

○NSns1.hostinger.co.uk2016-02-27 → 2016-02-27 · 4 obs

○ 2015-11-12 14:16:44
● 2016-02-27 15:25:02
○ 2017-03-15 15:26:24
○ 2026-08-06 17:42:36

○NSns2.hostinger.co.uk2016-02-27 → 2016-02-27 · 4 obs

○ 2015-11-12 14:16:44
● 2016-02-27 15:25:02
○ 2017-03-15 15:26:24
○ 2026-08-06 17:42:36

○NSns21.domaincontrol.com2015-06-30 → 2015-11-12 · 4 obs

● 2015-06-30 17:25:34
● 2015-11-12 14:16:44
○ 2016-02-27 15:25:02
○ 2026-08-06 17:42:36

○NSns22.domaincontrol.com2015-06-30 → 2015-11-12 · 4 obs

● 2015-06-30 17:25:34
● 2015-11-12 14:16:44
○ 2016-02-27 15:25:02
○ 2026-08-06 17:42:36

○NSns3.hostinger.co.uk2016-02-27 → 2016-02-27 · 4 obs

○ 2015-11-12 14:16:44
● 2016-02-27 15:25:02
○ 2017-03-15 15:26:24
○ 2026-08-06 17:42:36

○NSns4.hostinger.co.uk2016-02-27 → 2016-02-27 · 4 obs

○ 2015-11-12 14:16:44
● 2016-02-27 15:25:02
○ 2017-03-15 15:26:24
○ 2026-08-06 17:42:36

○NSns47.domaincontrol.com2017-03-15 → 2017-03-15 · 4 obs

○ 2016-02-27 15:25:02
● 2017-03-15 15:26:24
○ 2026-03-27 06:54:46
○ 2026-08-06 17:42:36

○NSns48.domaincontrol.com2017-03-15 → 2017-03-15 · 4 obs

○ 2016-02-27 15:25:02
● 2017-03-15 15:26:24
○ 2026-03-27 06:54:46
○ 2026-08-06 17:42:36

○MXmailstore1.secureserver.net2015-06-30 → 2017-03-15 · 6 obs

● 2015-06-30 17:25:34
● 2015-11-12 14:16:44
○ 2016-02-27 15:25:02
● 2017-03-15 15:26:24
○ 2026-03-27 06:54:46
○ 2026-08-06 17:42:36

○MXmx1.hostinger.co.uk2016-02-27 → 2016-02-27 · 4 obs

○ 2015-11-12 14:16:44
● 2016-02-27 15:25:02
○ 2017-03-15 15:26:24
○ 2026-08-06 17:42:36

○MXsmtp.secureserver.net2015-06-30 → 2017-03-15 · 6 obs

● 2015-06-30 17:25:34
● 2015-11-12 14:16:44
○ 2016-02-27 15:25:02
● 2017-03-15 15:26:24
○ 2026-03-27 06:54:46
○ 2026-08-06 17:42:36

○A184.168.221.342015-06-30 → 2015-11-12 · 4 obs

● 2015-06-30 17:25:34
● 2015-11-12 14:16:44
○ 2016-02-27 15:25:02
○ 2026-08-06 17:42:36

○A184.168.221.442017-03-15 → 2017-03-15 · 4 obs

○ 2016-02-27 15:25:02
● 2017-03-15 15:26:24
○ 2026-03-27 06:54:46
○ 2026-08-06 17:42:36

●A185.199.108.1532026-03-27 → 2026-08-06 · 3 obs

○ 2017-03-15 15:26:24
● 2026-03-27 06:54:46
● 2026-08-06 17:42:36

●A185.199.109.1532026-03-27 → 2026-08-06 · 3 obs

○ 2017-03-15 15:26:24
● 2026-03-27 06:54:46
● 2026-08-06 17:42:36

●A185.199.110.1532026-03-27 → 2026-08-06 · 3 obs

○ 2017-03-15 15:26:24
● 2026-03-27 06:54:46
● 2026-08-06 17:42:36

●A185.199.111.1532026-03-27 → 2026-08-06 · 3 obs

○ 2017-03-15 15:26:24
● 2026-03-27 06:54:46
● 2026-08-06 17:42:36

○A31.220.16.2252016-02-27 → 2016-02-27 · 4 obs

○ 2015-11-12 14:16:44
● 2016-02-27 15:25:02
○ 2017-03-15 15:26:24
○ 2026-08-06 17:42:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	w.cctld.us, b.cctld.us, y.cctld.us, x.cctld.us...	-
dynamicduo.us	ns-cloud-e3.googledomains.com, ns-cloud-e4.googledomains.com, ns-cloud-e1.googledomains.com, ns-cloud-e2.googledomains.com	-

✅ Authoritative Response

Server:216.239.34.110

NS records: ns-cloud-e3.googledomains.com, ns-cloud-e4.googledomains.com, ns-cloud-e1.googledomains.com, ns-cloud-e2.googledomains.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dynamicduo.us (unsigned zone)

⏱️ Timing

Total: 657ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`185.199.110.153, 185.199.109.153...`
NS	4	`ns-cloud-e1.googledomains.com, ns-cloud-e3.googledomains.com...`
SOA	1	`ns-cloud-e1.googledomains.com cloud-dns-`

Analysis

IP Addresses

dynamicduo.us resolves to four IP addresses: 185.199.108.153, 185.199.109.153, 185.199.110.153 and 185.199.111.153.

Additional host names — crisda7.github.io, jbrewer.me, yennymargareta17.github.io and two others — share IP numbers with dynamicduo.us.

Name Servers

dynamicduo.us has four authoritative name servers: ns-cloud-e1.googledomains.com, ns-cloud-e2.googledomains.com, ns-cloud-e3.googledomains.com and ns-cloud-e4.googledomains.com.

dynamicduo.us partially shares its NS delegation with several other domains, including agentmichaelharris.com, besthelpsupport.com, providencestudentliving.com and two others.

These name servers are regularly seen alongside ns1.mirusresearch.com and ns2.mir.us as name servers.

ns-cloud-e1.googledomains.com, ns-cloud-e2.googledomains.com, ns-cloud-e3.googledomains.com and ns-cloud-e4.googledomains.com each carry two IP addresses. ns-cloud-e1.googledomains.com has 216.239.32.110 and 2001:4860:4802:32::6e; ns-cloud-e2.googledomains.com has 216.239.34.110 and 2001:4860:4802:34::6e; ns-cloud-e3.googledomains.com has 216.239.36.110 and 2001:4860:4802:36::6e; ns-cloud-e4.googledomains.com has 216.239.38.110 and 2001:4860:4802:38::6e.

dynamicduo.us - robtex.com

dynamicduo.us

us

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`dynamicduo.us`

`us`