byblack.us - robtex.com

byblack.us

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:c1b8🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::6815:c42🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.12.66Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.193.184🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjeff.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b7c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjeff.ns.cloudflare.com
A2803:f800:50::6ca2:c17c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjeff.ns.cloudflare.com
A2a06:98c1:50::ac40:217c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjeff.ns.cloudflare.com
A108.162.193.124🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjeff.ns.cloudflare.com
A172.64.33.124🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjeff.ns.cloudflare.com
A173.245.59.124🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjeff.ns.cloudflare.com
NSlisa.ns.cloudflare.com
A2606:4700:50::adf5:3a83🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlisa.ns.cloudflare.com
A2803:f800:50::6ca2:c083🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRlisa.ns.cloudflare.com
A2a06:98c1:50::ac40:2083🇺🇸 Cloudflare2a06:98c1:50::/45
PTRlisa.ns.cloudflare.com
A108.162.192.131🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlisa.ns.cloudflare.com
A172.64.32.131🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlisa.ns.cloudflare.com
A173.245.58.131🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlisa.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c1d::1b🇺🇸 Google2607:f8b0:4004::/48
PTRww-in-f27.1e100.net
A172.253.62.27🇺🇸 Google172.253.62.0/24
PTRbc-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1b🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4023:3003::1a🇺🇸 Google2607:f8b0::/32
PTRyulnkjt-in-f26.1e100.net
A172.253.145.26🇺🇸 Google172.253.145.0/24
PTRyulnkjt-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4001:c21::1b🇩🇪 Google2a00:1450:4001::/48
PTRlcfrai-in-f27.1e100.net
A142.251.127.27🇺🇸 Google142.251.127.0/24
PTRlcfrai-in-f27.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c00::1b🇧🇪 Google2a00:1450:400c::/48
PTRws-in-f27.1e100.net
PTRws-in-x1b.1e100.net
A173.194.76.27🇺🇸 Google173.194.76.0/24
PTRws-in-f27.1e100.net
TXTfirebase=byblack-cert
TXTgoogle-site-verification=hUOALYzc5TVA1Rkesu7vIsqBXlTxzthn-zYzJgGR9r8
TXTv=spf1 include:_spf.firebasemail.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.12.66, 172.67.193.184
IPv6 hints2606:4700:3031::ac43:c1b8, 2606:4700:3033::6815:c42
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=83, name=cloudflare-ech.com
SOAjeff.ns.cloudflare.comdns@cloudflare.com serial=2403746077

us

DNSSEC🔒 Signed (DS record present)
NSa.cctld.us ⭐
NSb.cctld.us
NSf.cctld.us
NSk.cctld.us
NSm.cctld.us
NSn.cctld.us
NSw.cctld.us
NSx.cctld.us
NSy.cctld.us
SOAa.cctld.usadmin@tldns.godaddy serial=1778731275

Same first word

byblack.us
byblack.nyc

Similar names

blackyb.it
blackyb.com

DNS History

11 records (11 active, 0 former)

NSjeff.ns.cloudflare.comlisa.ns.cloudflare.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comA104.21.12.66172.67.193.1842606:4700:3031::ac43:c1b82606:4700:3033::6815:c42
●NSjeff.ns.cloudflare.com2026-04-10 → 2026-05-14 · 2 obs
● 2026-04-10 11:28:32
● 2026-05-14 04:23:08
●NSlisa.ns.cloudflare.com2026-04-10 → 2026-05-14 · 2 obs
● 2026-04-10 11:28:32
● 2026-05-14 04:23:08
●MXalt1.aspmx.l.google.com2026-04-10 → 2026-05-14 · 2 obs
● 2026-04-10 11:28:32
● 2026-05-14 04:23:08
●MXalt2.aspmx.l.google.com2026-04-10 → 2026-05-14 · 2 obs
● 2026-04-10 11:28:32
● 2026-05-14 04:23:08
●MXalt3.aspmx.l.google.com2026-04-10 → 2026-05-14 · 2 obs
● 2026-04-10 11:28:32
● 2026-05-14 04:23:08
●MXalt4.aspmx.l.google.com2026-04-10 → 2026-05-14 · 2 obs
● 2026-04-10 11:28:32
● 2026-05-14 04:23:08
●MXaspmx.l.google.com2026-04-10 → 2026-05-14 · 2 obs
● 2026-04-10 11:28:32
● 2026-05-14 04:23:08
●A104.21.12.662026-04-10 → 2026-05-14 · 2 obs
● 2026-04-10 11:28:32
● 2026-05-14 04:23:08
●A172.67.193.1842026-04-10 → 2026-05-14 · 2 obs
● 2026-04-10 11:28:32
● 2026-05-14 04:23:08
●A2606:4700:3031::ac43:c1b82026-04-10 → 2026-05-14 · 2 obs
● 2026-04-10 11:28:32
● 2026-05-14 04:23:08
●A2606:4700:3033::6815:c422026-04-10 → 2026-05-14 · 2 obs
● 2026-04-10 11:28:32
● 2026-05-14 04:23:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
usb.cctld.us, k.cctld.us, x.cctld.us, f.cctld.us...-
byblack.uslisa.ns.cloudflare.com, jeff.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.131

NS records: lisa.ns.cloudflare.com, jeff.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for byblack.us (unsigned zone)

⏱️ Timing

Total: 1388ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.193.184, 104.21.12.66
AAAA22606:4700:3031::ac43:c1b8, 2606:4700:3033::6815:c42
NS2jeff.ns.cloudflare.com, lisa.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT3firebase=byblack-cert, google-site-verification=hUOALYzc5TVA1Rk...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1jeff.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

byblack.us resolves to four IPs: 2606:4700:3031::ac43:c1b8, 2606:4700:3033::6815:c42, 104.21.12.66 and 172.67.193.184.

Other host names such as www.hb8850.com, amynton.com, www.limitget.com, nexusbet.co.uk and multicastdns.org share IP numbers with byblack.us.

Name Servers

byblack.us is delegated to two name servers: jeff.ns.cloudflare.com and lisa.ns.cloudflare.com.

byblack.us uses the same name server setup as other domains, including ebowdigital.com, inquery.org, hostivo.cloud, mindrs.com and dmitriy.pw.

At least part of the name servers for byblack.us are shared with other domains, for instance argustics.com, horecabuitenkeukens.com, mrlocksmithnewwestminster.com, pixelplace.ca and mudraguide.com.

These name servers are commonly used alongside ken.ns.cloudflare.com and eva.ns.cloudflare.com.

Host names with six IP numbers:

jeff.ns.cloudflare.com points to: 2606:4700:58::adf5:3b7c, 2803:f800:50::6ca2:c17c, 2a06:98c1:50::ac40:217c, 108.162.193.124, 172.64.33.124 and 173.245.59.124.

lisa.ns.cloudflare.com points to: 2606:4700:50::adf5:3a83, 2803:f800:50::6ca2:c083, 2a06:98c1:50::ac40:2083, 108.162.192.131, 172.64.32.131 and 173.245.58.131.

Mail Servers

byblack.us is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

byblack.us shares at least some mail servers with other domains, for example pellegrinoautogroup.com, lgc.fr, niew.it, ns500821.ns500821.ns500795.ns500821.ns500795.ns500794.ns500821.ns500794.ns500795.ns500795.lustypartnersfinder.com and htpk.ac.th.

These mail servers are commonly used alongside aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers: aspmx.l.google.com points to 2607:f8b0:4004:c1d::1b and 172.253.62.27; alt1.aspmx.l.google.com points to 2800:3f0:4003:c0f::1b and 108.177.123.26; alt2.aspmx.l.google.com points to 2607:f8b0:4023:3003::1a and 172.253.145.26; alt3.aspmx.l.google.com points to 2a00:1450:4001:c21::1b and 142.251.127.27; alt4.aspmx.l.google.com points to 2a00:1450:400c:c00::1b and 173.194.76.27.