lwk.us.com - robtex.com

lwk.us.com

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:9210🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:3f8a🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.63.138Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.146.16🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSelisabeth.ns.cloudflare.com ⭐
A2606:4700:50::a29f:26e0🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelisabeth.ns.cloudflare.com
A2803:f800:50::6ca2:c2e0🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRelisabeth.ns.cloudflare.com
A2a06:98c1:50::ac40:22e0🇺🇸 Cloudflare2a06:98c1:50::/45
PTRelisabeth.ns.cloudflare.com
A108.162.194.224🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelisabeth.ns.cloudflare.com
A162.159.38.224Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelisabeth.ns.cloudflare.com
A172.64.34.224🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelisabeth.ns.cloudflare.com
NSluke.ns.cloudflare.com
A2606:4700:58::adf5:3bc8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRluke.ns.cloudflare.com
A2803:f800:50::6ca2:c1c8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRluke.ns.cloudflare.com
A2a06:98c1:50::ac40:21c8🇺🇸 Cloudflare2a06:98c1:50::/45
PTRluke.ns.cloudflare.com
A108.162.193.200🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRluke.ns.cloudflare.com
A172.64.33.200🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRluke.ns.cloudflare.com
A173.245.59.200🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRluke.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.63.138, 172.67.146.16
IPv6 hints2606:4700:3031::ac43:9210, 2606:4700:3037::6815:3f8a
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=177, name=cloudflare-ech.com
SOAelisabeth.ns.cloudflare.comdns@cloudflare.com serial=2408217773

us.com

DNSSEC🔒 Signed (DS record present)
A54.153.56.183🇺🇸 Amazon54.153.0.0/17 EC2 SFO prefix
NSns0.centralnic.net ⭐
NSns1.centralnic.net
NSns2.centralnic.net
NSns3.centralnic.net
NSns4.centralnic.net
MXmx-01.emailme.com ⭐
TXTv=spf1 mx -all
TXTgoogle-site-verification=TQ9DQVGZ4sDKfEbBIAiflq7ZKjGuCOC_vEpwyw_XsW8
SOAns0.centralnic.nethostmaster@centralnic.net serial=3000784574
rank #342 globally
rank #216 in the tld

us.com

us.comis a private domain registry operated by CentralNic (now Team Internet Group plc) that offers third-level registrations as an alternative to the official.usor.comextensions. Unlike the official.uscountry-code top-level domain, registrations underus.comare unrestricted and available to anyone globally.

Key facts

  • Owner / operator: CentralNic (Team Internet Group plc)
  • TLD:.com— gTLD
  • Primary purpose: Domain registry for third-level subdomains
  • Status: active

History

YearEvent
1995Theus.comregistry is established to offer third-level domain registrations.
1996CentralNic, the operator of the registry, is founded.
2023CentralNic Group plc officially rebrands to Team Internet Group plc.
WOT: SAFE (48/100)
📈 Tranco rank: #1,091

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DNS History

13 records (6 active, 7 former)

20162017201820192020202120222023202420252026NSelisabeth.ns.cloudflare.comluke.ns.cloudflare.comMXus-com-wildcard-null-mx.centralnic.netA104.21.63.138172.67.146.162606:4700:3031::ac43:92102606:4700:3037::6815:3f8a141.8.225.33205.164.14.8852.33.196.19954.201.82.6978.142.29.21079.124.78.120
●NSelisabeth.ns.cloudflare.com2026-06-30 → 2026-07-18 · 2 obs
● 2026-06-30 17:50:26
● 2026-07-18 13:31:20
●NSluke.ns.cloudflare.com2026-06-30 → 2026-07-18 · 2 obs
● 2026-06-30 17:50:26
● 2026-07-18 13:31:20
○MXus-com-wildcard-null-mx.centralnic.net2015-07-23 → 2019-03-21 · 4 obs
● 2015-07-23 01:25:42
● 2019-03-21 14:58:24
○ 2026-06-30 17:50:26
○ 2026-07-18 13:31:20
●A104.21.63.1382026-06-30 → 2026-07-18 · 3 obs
○ 2019-03-21 14:58:24
● 2026-06-30 17:50:26
● 2026-07-18 13:31:20
○A141.8.225.332016-02-03 → 2016-04-29 · 5 obs
○ 2015-11-15 16:52:04
● 2016-02-03 19:56:46
● 2016-04-29 09:23:38
○ 2016-12-31 03:29:54
○ 2026-07-18 13:31:20
●A172.67.146.162026-06-30 → 2026-07-18 · 3 obs
○ 2019-03-21 14:58:24
● 2026-06-30 17:50:26
● 2026-07-18 13:31:20
○A205.164.14.882015-07-23 → 2015-11-15 · 4 obs
● 2015-07-23 01:25:42
● 2015-11-15 16:52:04
○ 2016-02-03 19:56:46
○ 2026-07-18 13:31:20
●A2606:4700:3031::ac43:92102026-06-30 → 2026-07-18 · 3 obs
○ 2019-03-21 14:58:24
● 2026-06-30 17:50:26
● 2026-07-18 13:31:20
●A2606:4700:3037::6815:3f8a2026-06-30 → 2026-07-18 · 3 obs
○ 2019-03-21 14:58:24
● 2026-06-30 17:50:26
● 2026-07-18 13:31:20
○A52.33.196.1992016-12-31 → 2016-12-31 · 4 obs
○ 2016-04-29 09:23:38
● 2016-12-31 03:29:54
○ 2019-03-21 14:58:24
○ 2026-07-18 13:31:20
○A54.201.82.692016-12-31 → 2016-12-31 · 4 obs
○ 2016-04-29 09:23:38
● 2016-12-31 03:29:54
○ 2019-03-21 14:58:24
○ 2026-07-18 13:31:20
○A78.142.29.2102019-03-21 → 2019-03-21 · 4 obs
○ 2016-12-31 03:29:54
● 2019-03-21 14:58:24
○ 2026-06-30 17:50:26
○ 2026-07-18 13:31:20
○A79.124.78.1202019-03-21 → 2019-03-21 · 4 obs
○ 2016-12-31 03:29:54
● 2019-03-21 14:58:24
○ 2026-06-30 17:50:26
○ 2026-07-18 13:31:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
us.comns1.centralnic.net, ns2.centralnic.net, ns3.centralnic.net, ns4.centralnic.net-
lwk.us.comelisabeth.ns.cloudflare.com, luke.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.224

NS records: elisabeth.ns.cloudflare.com, luke.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lwk.us.com (unsigned zone)

⏱️ Timing

Total: 628ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.63.138, 172.67.146.16
AAAA22606:4700:3037::6815:3f8a, 2606:4700:3031::ac43:9210
NS2elisabeth.ns.cloudflare.com, luke.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1elisabeth.ns.cloudflare.com dns.cloudfla

Analysis

IP Addresses

lwk.us.com points to the four IP addresses 104.21.63.138, 172.67.146.16, 2606:4700:3031::ac43:9210 and 2606:4700:3037::6815:3f8a.

app-ratex.org, theronivexalo.com, farproject.com and two other host names share IP numbers with lwk.us.com.

Name Servers

The NS records for lwk.us.com delegate to elisabeth.ns.cloudflare.com and luke.ns.cloudflare.com.

lwk.us.com uses the same name servers as several other domains — among them orthodoxia.me, visa-bulletin.us, letsreadenglish.workers.dev and two more.

At least some of lwk.us.com's name servers are shared with other domains, for example illaso.com, jd0571.com, ultaahoosst.homes and two more.

It is common for these name servers to be used in conjunction with the name servers tom.ns.cloudflare.com, javon.ns.cloudflare.com and ainsley.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

elisabeth.ns.cloudflare.com maps to 108.162.194.224, 162.159.38.224, 172.64.34.224 and 3 additional IP addresses.

luke.ns.cloudflare.com maps to 108.162.193.200, 172.64.33.200, 173.245.59.200 and 3 additional IP addresses.