`docubuilder.us`

DNSSEC	⚠️ Not signed
A	52.203.89.196^{🇺🇸 Amazon52.200.0.0/13 EC2 IAD prefix}
		PTR	`ec2-52-203-89-196.compute-1.amazonaws.com`
NS	`edns1.ultradns.com` ⭐
		A	2001:502:f3ff::201^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`edns1.ultradns.com`
			PTR	`udns1.cscdns.net`
			PTR	`udns1.cscdns.uk`
			PTR	`ns1.webipdns.com.au`
		A	204.74.66.1^{🇺🇸 MAINT-ID-12008204.74.66.0/24 Neustar}
			PTR	`ns1.alba.bank`
			PTR	`edns1.ultradns.com`
			PTR	`udns1.cscdns.net`
			PTR	`udns1.cscdns.uk`
			PTR	`ns1.webipdns.com.au`
NS	`edns1.ultradns.biz`
		A	2610:a1:1015::201^{🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar}
			PTR	`edns1.ultradns.biz`
			PTR	`udns3.cscdns.net`
			PTR	`udns3.cscdns.uk`
		A	204.74.67.1^{🇺🇸 MAINT-ID-12008204.74.67.0/24 Neustar}
			PTR	`edns1.ultradns.biz`
			PTR	`udns3.cscdns.net`
			PTR	`udns3.cscdns.uk`
NS	`edns1.ultradns.net`
		A	2610:a1:1014::201^{🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar}
			PTR	`udns4.cscdns.net`
			PTR	`edns1.ultradns.net`
			PTR	`udns4.cscdns.uk`
		A	204.74.110.1^{🇺🇸 MAINT-ID-12008204.74.110.0/24 Neustar}
			PTR	`udns4.cscdns.net`
			PTR	`edns1.ultradns.net`
			PTR	`udns4.cscdns.uk`
NS	`edns1.ultradns.org`
		A	2001:502:4612::201^{🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar}
			PTR	`udns2.cscdns.net`
			PTR	`edns1.ultradns.org`
			PTR	`udns2.cscdns.uk`
			PTR	`ns2.webipdns.com.au`
		A	204.74.111.1^{🇺🇸 MAINT-ID-12008204.74.111.0/24 Neustar}
			PTR	`ns2.alba.bank`
			PTR	`udns2.cscdns.net`
			PTR	`edns1.ultradns.org`
			PTR	`udns2.cscdns.uk`
			PTR	`ns2.webipdns.com.au`
NS	`ns89.ultradns2.com`
		A	2610:a1:3159::53^{🇺🇸 AS3991692610:a1:3159::/48}
			PTR	`ns89.ultradns2.com`
		A	204.74.104.89^{🇺🇸 AS399169204.74.104.0/24 UltraDNS}
			PTR	`ns89.ultradns2.com`
NS	`ns89.ultradns2.org`
		A	2610:a1:3259::53^{🇺🇸 AS3991692610:a1:3259::/48}
			PTR	`ns89.ultradns2.org`
		A	204.74.106.89^{🇺🇸 AS399169204.74.106.0/24 UltraDNS}
			PTR	`ns89.ultradns2.org`
SOA	`edns1.ultradns.com`enterprisedns@broadridge.com 2020-05-22 #7

`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=1775962539

Same first word

docubuilder.us

docubuilder.net

docubuilder.com

DNS History

7 records (7 active, 0 former)

●NSedns1.ultradns.biz2026-04-09 → 2026-04-12 · 2 obs

● 2026-04-09 06:27:38
● 2026-04-12 03:18:36

●NSedns1.ultradns.com2026-04-09 → 2026-04-12 · 2 obs

● 2026-04-09 06:27:38
● 2026-04-12 03:18:36

●NSedns1.ultradns.net2026-04-09 → 2026-04-12 · 2 obs

● 2026-04-09 06:27:38
● 2026-04-12 03:18:36

●NSedns1.ultradns.org2026-04-09 → 2026-04-12 · 2 obs

● 2026-04-09 06:27:38
● 2026-04-12 03:18:36

●NSns89.ultradns2.com2026-04-09 → 2026-04-12 · 2 obs

● 2026-04-09 06:27:38
● 2026-04-12 03:18:36

●NSns89.ultradns2.org2026-04-09 → 2026-04-12 · 2 obs

● 2026-04-09 06:27:38
● 2026-04-12 03:18:36

●A52.203.89.1962026-04-09 → 2026-04-12 · 2 obs

● 2026-04-09 06:27:38
● 2026-04-12 03:18:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...	-
docubuilder.us	edns1.ultradns.org, edns1.ultradns.net, ns89.ultradns2.com, edns1.ultradns.biz...	-