us - robtex.com

us

DNSSECπŸ”’ Signed (DS record present)
NSa.cctld.us ⭐
A156.154.124.70πŸ‡ΊπŸ‡Έ MAINT-ID-12008156.154.124.0/24 Neustar
PTRa.cctld.us
NSb.cctld.us
A2001:502:ad09::29πŸ‡ΊπŸ‡Έ MAINT-ID-120082001:502:ad09::/48 Neustar
A156.154.125.70πŸ‡ΊπŸ‡Έ MAINT-ID-12008156.154.125.0/24 Neustar
PTRb.cctld.us
NSf.cctld.us
A2001:500:3682::11πŸ‡ΊπŸ‡Έ MAINT-ID-120082001:500:3682::/48 Neustar
A209.173.58.70πŸ‡ΊπŸ‡Έ MAINT-ID-12008209.173.58.0/24 Neustar
NSk.cctld.us
A2001:503:e239::3:1πŸ‡ΊπŸ‡Έ MAINT-ID-120082001:503:e239::/48 Neustar
PTRk.gtld.biz
A156.154.128.70πŸ‡ΊπŸ‡Έ MAINT-ID-12008156.154.128.0/24 Neustar
PTRk.cctld.us
NSm.cctld.us
A2610:a1:3180::53πŸ‡ΊπŸ‡Έ AS3991692610:a1:3180::/48
PTRns128.ultradns2.com
A204.74.105.1πŸ‡ΊπŸ‡Έ AS399169204.74.105.0/24
NSn.cctld.us
A2610:a1:3280::53πŸ‡ΊπŸ‡Έ AS3991692610:a1:3280::/48
PTRns128.ultradns2.org
A204.74.107.1πŸ‡ΊπŸ‡Έ AS399169204.74.107.0/24 UltraDNS
NSw.cctld.us
A2001:dcd:1::15πŸ‡¦πŸ‡Ί MAINT-ID-120082001:dcd:1::/48 BOMBORA TECHNOLOGIES PTY LTD Office 09-113 152 Elizabeth Street
A37.209.192.15πŸ‡ΊπŸ‡Έ MAINT-ID-1200837.209.192.0/24
NSx.cctld.us
A2001:dcd:2::15πŸ‡¦πŸ‡Ί MAINT-ID-120082001:dcd:2::/48 BOMBORA TECHNOLOGIES PTY LTD Office 09-113 152 Elizabeth Street
A37.209.194.15πŸ‡ΊπŸ‡Έ MAINT-ID-1200837.209.194.0/24
NSy.cctld.us
A2001:dcd:3::15πŸ‡¦πŸ‡Ί MAINT-ID-120082001:dcd:3::/48 BOMBORA TECHNOLOGIES PTY LTD Office 09-113 152 Elizabeth Street
A37.209.196.15πŸ‡ΊπŸ‡Έ MAINT-ID-1200837.209.196.0/24
SOAa.cctld.usadmin@tldns.godaddy serial=1775931660

(root)

DNSSECπŸ”’ Signed (DS record present)
NSa.root-servers.net ⭐ ⚠️ Not in parent delegation
NSb.root-servers.net ⚠️ Not in parent delegation
NSc.root-servers.net ⚠️ Not in parent delegation
NSd.root-servers.net ⚠️ Not in parent delegation
NSe.root-servers.net ⚠️ Not in parent delegation
NSf.root-servers.net ⚠️ Not in parent delegation
NSg.root-servers.net ⚠️ Not in parent delegation
NSh.root-servers.net ⚠️ Not in parent delegation
NSi.root-servers.net ⚠️ Not in parent delegation
NSj.root-servers.net ⚠️ Not in parent delegation
NSk.root-servers.net ⚠️ Not in parent delegation
NSl.root-servers.net ⚠️ Not in parent delegation
NSm.root-servers.net ⚠️ Not in parent delegation
SOAa.root-servers.netnstld@verisign-grs.com 2026-04-11 #1

Previously NS for

Subdomains

Same first word

Similar names

DNS History

11 records (9 active, 2 former)

20162017201820192020202120222023202420252026NSa.cctld.usb.cctld.usf.cctld.usk.cctld.usm.cctld.usn.cctld.usw.cctld.usx.cctld.usy.cctld.usc.cctld.use.cctld.us
●NSa.cctld.us2015-09-04 β†’ 2026-04-11 Β· 5 obs
● 2015-09-04 13:05:58
● 2021-07-18 17:10:42
β—‹ 2021-07-31 18:58:12
● 2022-01-30 20:39:38
● 2026-04-11 18:45:06
●NSb.cctld.us2015-09-04 β†’ 2026-04-11 Β· 2 obs
● 2015-09-04 13:05:58
● 2026-04-11 18:45:06
β—‹NSc.cctld.us2015-09-04 β†’ 2021-07-18 Β· 4 obs
● 2015-09-04 13:05:58
● 2021-07-18 17:10:42
β—‹ 2021-07-31 18:58:12
β—‹ 2026-04-11 18:45:06
β—‹NSe.cctld.us2015-09-04 β†’ 2021-07-18 Β· 4 obs
● 2015-09-04 13:05:58
● 2021-07-18 17:10:42
β—‹ 2021-07-31 18:58:12
β—‹ 2026-04-11 18:45:06
●NSf.cctld.us2015-09-04 β†’ 2026-04-11 Β· 2 obs
● 2015-09-04 13:05:58
● 2026-04-11 18:45:06
●NSk.cctld.us2015-09-04 β†’ 2026-04-11 Β· 2 obs
● 2015-09-04 13:05:58
● 2026-04-11 18:45:06
●NSm.cctld.us2026-02-16 β†’ 2026-04-11 Β· 3 obs
β—‹ 2022-01-30 20:39:38
● 2026-02-16 16:58:06
● 2026-04-11 18:45:06
●NSn.cctld.us2026-02-16 β†’ 2026-04-11 Β· 3 obs
β—‹ 2022-01-30 20:39:38
● 2026-02-16 16:58:06
● 2026-04-11 18:45:06
●NSw.cctld.us2021-07-31 β†’ 2026-04-11 Β· 3 obs
β—‹ 2021-07-18 17:10:42
● 2021-07-31 18:58:12
● 2026-04-11 18:45:06
●NSx.cctld.us2021-07-31 β†’ 2026-04-11 Β· 3 obs
β—‹ 2021-07-18 17:10:42
● 2021-07-31 18:58:12
● 2026-04-11 18:45:06
●NSy.cctld.us2021-07-31 β†’ 2026-04-11 Β· 3 obs
β—‹ 2021-07-18 17:10:42
● 2021-07-31 18:58:12
● 2026-04-11 18:45:06

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
usy.cctld.us, m.cctld.us, b.cctld.us, w.cctld.us...-

βœ… Authoritative Response

Server:209.173.58.70

NS records: y.cctld.us, m.cctld.us, b.cctld.us, w.cctld.us, k.cctld.us, n.cctld.us, f.cctld.us, x.cctld.us

πŸ”’ DNSSEC Status

πŸ” Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 351ms | Queries: -

πŸ“„ Records

TypeCountSample Data
NS8b.cctld.us, m.cctld.us...
SOA1a.cctld.us admin.tldns.godaddy

Analysis

Hierarchy

us is a parent of conju.us, kprice.us, tracker-software.us, blend-pro.us, independencezone.us and hundreds of thousands of other host names.

Name Servers

us is delegated to nine name servers: a.cctld.us, b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us, n.cctld.us, w.cctld.us, x.cctld.us and y.cctld.us.

Host names with two IPs

b.cctld.us points to 2001:502:ad09::29 and 156.154.125.70

f.cctld.us points to 2001:500:3682::11 and 209.173.58.70

k.cctld.us points to 2001:503:e239::3:1 and 156.154.128.70

m.cctld.us points to 2610:a1:3180::53 and 204.74.105.1

n.cctld.us points to 2610:a1:3280::53 and 204.74.107.1

w.cctld.us points to 2001:dcd:1::15 and 37.209.192.15

x.cctld.us points to 2001:dcd:2::15 and 37.209.194.15

y.cctld.us points to 2001:dcd:3::15 and 37.209.196.15

Host names with one IP

a.cctld.us points to 156.154.124.70