otto.us.com - robtex.com

otto.us.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:55f4🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:d48d🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.85.244Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.212.141🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbill.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b4a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbill.ns.cloudflare.com
A2803:f800:50::6ca2:c14a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbill.ns.cloudflare.com
A2a06:98c1:50::ac40:214a🇺🇸 Cloudflare2a06:98c1:50::/45
PTRbill.ns.cloudflare.com
A108.162.193.74🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbill.ns.cloudflare.com
A172.64.33.74🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbill.ns.cloudflare.com
A173.245.59.74🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbill.ns.cloudflare.com
NSgracie.ns.cloudflare.com
A2606:4700:50::a29f:2690🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgracie.ns.cloudflare.com
A2803:f800:50::6ca2:c290🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRgracie.ns.cloudflare.com
A2a06:98c1:50::ac40:2290🇺🇸 Cloudflare2a06:98c1:50::/45
PTRgracie.ns.cloudflare.com
A108.162.194.144🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgracie.ns.cloudflare.com
A162.159.38.144Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgracie.ns.cloudflare.com
A172.64.34.144🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgracie.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.85.244, 172.67.212.141
IPv6 hints2606:4700:3031::6815:55f4, 2606:4700:3034::ac43:d48d
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=82, name=cloudflare-ech.com
SOAbill.ns.cloudflare.comdns@cloudflare.com serial=2399393322

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=3000746363
⚠️ On DNS blocklist: tif
rank #337 globally
rank #217 in the tld
This domain "us.com" is a commercial domain name which could be used by any individual or organization primarily for commercial purposes. It uses a country code top-level domain (ccTLD) for the United States, but it is not restricted to use by entities in the United States. The specific use or owner of "us.com" depends on who has registered it.WOT: SAFE (48/100)
📈 Tranco rank: #1,108

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DNS History

6 records (6 active, 0 former)

NSbill.ns.cloudflare.comgracie.ns.cloudflare.comA104.21.85.244172.67.212.1412606:4700:3031::6815:55f42606:4700:3034::ac43:d48d
●NSbill.ns.cloudflare.com2026-04-14 → 2026-04-15 · 2 obs
● 2026-04-14 16:51:38
● 2026-04-15 23:11:56
●NSgracie.ns.cloudflare.com2026-04-14 → 2026-04-15 · 2 obs
● 2026-04-14 16:51:38
● 2026-04-15 23:11:56
●A104.21.85.2442026-04-14 → 2026-04-15 · 2 obs
● 2026-04-14 16:51:38
● 2026-04-15 23:11:56
●A172.67.212.1412026-04-14 → 2026-04-15 · 2 obs
● 2026-04-14 16:51:38
● 2026-04-15 23:11:56
●A2606:4700:3031::6815:55f42026-04-14 → 2026-04-15 · 2 obs
● 2026-04-14 16:51:38
● 2026-04-15 23:11:56
●A2606:4700:3034::ac43:d48d2026-04-14 → 2026-04-15 · 2 obs
● 2026-04-14 16:51:38
● 2026-04-15 23:11:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
us.comns1.centralnic.net, ns2.centralnic.net, ns3.centralnic.net, ns4.centralnic.net-
otto.us.combill.ns.cloudflare.com, gracie.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.194.144

NS records: bill.ns.cloudflare.com, gracie.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 884ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.85.244, 172.67.212.141
AAAA22606:4700:3034::ac43:d48d, 2606:4700:3031::6815:55f4
NS2bill.ns.cloudflare.com, gracie.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1bill.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

otto.us.com resolves to four IPs: 2606:4700:3031::6815:55f4, 2606:4700:3034::ac43:d48d, 104.21.85.244 and 172.67.212.141.

Other host names such as university.careers, tronche-de-geek.fr, possum.com.ar, mail.asn-france.fr and lotuscruise.com share IP numbers with otto.us.com.

Name Servers

otto.us.com is delegated to two name servers: bill.ns.cloudflare.com and gracie.ns.cloudflare.com.

otto.us.com uses the same name server setup as other domains, including onelove.jp.net, pirated-sites.com, behindtheburner.com, thienhoaelectric.com and thethaohcm.vn.

At least part of the name servers for otto.us.com are shared with other domains, for instance edsmarts.com, hawkapplianceinc.com, shoescouponworld.com, mgxsge.com and groworbit.in.

These name servers are often used together with love.ns.cloudflare.com, nena.ns.cloudflare.com and hope.ns.cloudflare.com.

Host names with six IP numbers:

bill.ns.cloudflare.com points to: 2606:4700:58::adf5:3b4a, 2803:f800:50::6ca2:c14a, 2a06:98c1:50::ac40:214a, 108.162.193.74, 172.64.33.74 and 173.245.59.74.

gracie.ns.cloudflare.com points to: 2606:4700:50::a29f:2690, 2803:f800:50::6ca2:c290, 2a06:98c1:50::ac40:2290, 108.162.194.144, 162.159.38.144 and 172.64.34.144.