biosu.dev - robtex.com

biosu.dev

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:310d🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3030::ac43:9e07🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.49.13Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.158.7🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSmargaret.ns.cloudflare.com ⭐
A2606:4700:50::a29f:266b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmargaret.ns.cloudflare.com
A2803:f800:50::6ca2:c26b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmargaret.ns.cloudflare.com
A2a06:98c1:50::ac40:226b🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmargaret.ns.cloudflare.com
A108.162.194.107🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmargaret.ns.cloudflare.com
A162.159.38.107Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmargaret.ns.cloudflare.com
A172.64.34.107🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmargaret.ns.cloudflare.com
NSwest.ns.cloudflare.com
A2606:4700:58::adf5:3bf7🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwest.ns.cloudflare.com
A2803:f800:50::6ca2:c1f7🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRwest.ns.cloudflare.com
A2a06:98c1:50::ac40:21f7🇺🇸 Cloudflare2a06:98c1:50::/45
PTRwest.ns.cloudflare.com
A108.162.193.247🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwest.ns.cloudflare.com
A172.64.33.247🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwest.ns.cloudflare.com
A173.245.59.247🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwest.ns.cloudflare.com
MXemailfake.com ⭐
A91.196.52.205🇺🇦 KOMITEX-AS91.196.52.0/24 KOM i TEX (Lviv Local Area Network)
PTRdynamic.komitex.net
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.49.13, 172.67.158.7
IPv6 hints2606:4700:3030::6815:310d, 2606:4700:3030::ac43:9e07
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=166, name=cloudflare-ech.com
SOAmargaret.ns.cloudflare.comdns@cloudflare.com serial=2402858507

dev

DNSSEC🔒 Signed (DS record present)
NSns-tld1.charlestonroadregistry.com ⭐
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1
⚠️ On DNS blocklist: tif
🔒 HSTS Preload (+subdomains)

Same first word

biosu.dev

Similar names

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subio.it
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ibuso.com
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soubi.ch
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ibous.trade
bisou.com.au
bisou.tv
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ubios.com
usbio.net
sibuo.com
usbio.com.tw
bisou.fr
siubo.com
busio.eu
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iosub.net
usibo.com
bosui.net
buosi.com
iobus.org
bisou.online
busio.info
uobis.com
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biuso.it
bisou.be
uobis.net
usbio.org
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bisou.biz
sobiu.cn
sobui.com
obius.be
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bousi.com
ubios.jp
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suobi.com
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subio.sakura.ne.jp
obius.net
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busio.cc
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usbio.us
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subio.org
ibous.com
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suibo.net
bisou.cc
iosub.co.uk
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usbio.de
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busio.app
bouis.fr
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boisu.com
iosub.us

DNS History

7 records (7 active, 0 former)

NSmargaret.ns.cloudflare.comwest.ns.cloudflare.comMXemailfake.comA104.21.49.13172.67.158.72606:4700:3030::6815:310d2606:4700:3030::ac43:9e07
●NSmargaret.ns.cloudflare.com2026-05-13 → 2026-05-14 · 2 obs
● 2026-05-13 00:27:14
● 2026-05-14 21:16:52
●NSwest.ns.cloudflare.com2026-05-13 → 2026-05-14 · 2 obs
● 2026-05-13 00:27:14
● 2026-05-14 21:16:52
●MXemailfake.com2026-05-13 → 2026-05-14 · 2 obs
● 2026-05-13 00:27:14
● 2026-05-14 21:16:52
●A104.21.49.132026-05-13 → 2026-05-14 · 2 obs
● 2026-05-13 00:27:14
● 2026-05-14 21:16:52
●A172.67.158.72026-05-13 → 2026-05-14 · 2 obs
● 2026-05-13 00:27:14
● 2026-05-14 21:16:52
●A2606:4700:3030::6815:310d2026-05-13 → 2026-05-14 · 2 obs
● 2026-05-13 00:27:14
● 2026-05-14 21:16:52
●A2606:4700:3030::ac43:9e072026-05-13 → 2026-05-14 · 2 obs
● 2026-05-13 00:27:14
● 2026-05-14 21:16:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...-
biosu.devwest.ns.cloudflare.com, margaret.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.34.107

NS records: west.ns.cloudflare.com, margaret.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for biosu.dev (unsigned zone)

⏱️ Timing

Total: 629ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.49.13, 172.67.158.7
AAAA22606:4700:3030::6815:310d, 2606:4700:3030::ac43:9e07
NS2margaret.ns.cloudflare.com, west.ns.cloudflare.com
MX1emailfake.com (pri: 1)
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1margaret.ns.cloudflare.com dns.cloudflar

Analysis

IP Addresses

biosu.dev refers to four IP numbers: 2606:4700:3030::6815:310d, 2606:4700:3030::ac43:9e07, 104.21.49.13 and 172.67.158.7.

Other host names, for instance www.bolu.com.cn, www.dtw.io, ns1.seguridadenamerica.com.mx, ideaengine.life and vetcaregroup.com share IP numbers with biosu.dev.

Name Servers

biosu.dev's delegation uses two name servers: margaret.ns.cloudflare.com and west.ns.cloudflare.com.

biosu.dev uses the same name server setup as other domains, such as whybe.dev, tribunnews.page, casino-online-mystake.co.uk, 9mmlive.com and webmajors.com.

biosu.dev at least partially shares name servers with other domains, including apsida.com, ascribecapital.com, facebyb.xyz, esigrips.com and pierre-couy.fr.

These name servers are commonly used together with the name servers nile.ns.cloudflare.com, nancy.ns.cloudflare.com, henry.ns.cloudflare.com and armfazh.ns.cloudflare.com.

Host names with six IP numbers:

margaret.ns.cloudflare.com points to 2606:4700:50::a29f:266b, 2803:f800:50::6ca2:c26b, 2a06:98c1:50::ac40:226b, 108.162.194.107, 162.159.38.107 and 172.64.34.107.

west.ns.cloudflare.com points to 2606:4700:58::adf5:3bf7, 2803:f800:50::6ca2:c1f7, 2a06:98c1:50::ac40:21f7, 108.162.193.247, 172.64.33.247 and 173.245.59.247.

Mail Servers

A single mail server handles biosu.dev, emailfake.com.

biosu.dev shares the same mail server setup as other domains, for instance muratreis.icu, fitmapsmart.com, iclo1d.kr, alexkyro.info and nowtopzen.com.

biosu.dev shares some mail servers with other domains, for instance duncansanyi.cc, flpyun.online, triadstore.eu.org and lookmail.eu.org.

Host name emailfake.com resolves to a single IP: 91.196.52.205.