biosu.dev - dns.ninja

biosu.dev

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:9e07🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:310d🇺🇸 Cloudflare2606:4700:3035::/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 hints2606:4700:3031::ac43:9e07, 2606:4700:3035::6815:310d
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=251, name=cloudflare-ech.com
SOAmargaret.ns.cloudflare.comdns@cloudflare.com serial=2407399900

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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boisu.com
iosub.us

DNS History

9 records (7 active, 2 former)

NSmargaret.ns.cloudflare.comwest.ns.cloudflare.comMXemailfake.comA104.21.49.13172.67.158.72606:4700:3031::ac43:9e072606:4700:3035::6815:310d2606:4700:3030::6815:310d2606:4700:3030::ac43:9e07
●NSmargaret.ns.cloudflare.com2026-05-13 → 2026-06-28 · 2 obs
● 2026-05-13 00:27:14
● 2026-06-28 18:03:38
●NSwest.ns.cloudflare.com2026-05-13 → 2026-06-28 · 2 obs
● 2026-05-13 00:27:14
● 2026-06-28 18:03:38
●MXemailfake.com2026-05-13 → 2026-06-28 · 2 obs
● 2026-05-13 00:27:14
● 2026-06-28 18:03:38
●A104.21.49.132026-05-13 → 2026-06-28 · 2 obs
● 2026-05-13 00:27:14
● 2026-06-28 18:03:38
●A172.67.158.72026-05-13 → 2026-06-28 · 2 obs
● 2026-05-13 00:27:14
● 2026-06-28 18:03:38
○A2606:4700:3030::6815:310d2026-05-13 → 2026-05-13 · 2 obs
● 2026-05-13 00:27:14
○ 2026-06-28 18:03:38
○A2606:4700:3030::ac43:9e072026-05-13 → 2026-05-13 · 2 obs
● 2026-05-13 00:27:14
○ 2026-06-28 18:03:38
●A2606:4700:3031::ac43:9e072026-06-28 → 2026-06-28 · 2 obs
○ 2026-05-13 00:27:14
● 2026-06-28 18:03:38
●A2606:4700:3035::6815:310d2026-06-28 → 2026-06-28 · 2 obs
○ 2026-05-13 00:27:14
● 2026-06-28 18:03:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...-
biosu.devmargaret.ns.cloudflare.com, west.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.247

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for biosu.dev (unsigned zone)

⏱️ Timing

Total: 520ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.49.13, 172.67.158.7
AAAA22606:4700:3035::6815:310d, 2606:4700:3031::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 has four IP addresses: 104.21.49.13, 172.67.158.7, 2606:4700:3031::ac43:9e07 and 2606:4700:3035::6815:310d.

Two other host names, along with www.bolu.com.cn, ns1.seguridadenamerica.com.mx and ideaengine.life, also share IP numbers with biosu.dev.

Name Servers

biosu.dev is delegated to two name servers: margaret.ns.cloudflare.com and west.ns.cloudflare.com.

biosu.dev shares its NS records with other domains, for example whybe.dev, tribunnews.page, casino-online-mystake.co.uk and two others.

biosu.dev partially shares its NS delegation with several other domains, including apsida.com, ascribecapital.com, facebyb.xyz and two others.

These name servers regularly co-occur with the name servers nile.ns.cloudflare.com, henry.ns.cloudflare.com and nancy.ns.cloudflare.com.

DNS names with 6 IP addresses:

margaret.ns.cloudflare.com resolves to 108.162.194.107, 162.159.38.107, 172.64.34.107 and 3 other IP addresses.

west.ns.cloudflare.com resolves to 108.162.193.247, 172.64.33.247, 173.245.59.247 and 3 other IP addresses.

Mail Servers

The sole mail server for biosu.dev is emailfake.com.

Among the domains sharing a mail server setup with biosu.dev are muratreis.icu, fitmapsmart.com, iclo1d.kr and two others.

The MX records for biosu.dev are at least partially shared with other domains, such as duncansanyi.cc, flpyun.online, triadstore.eu.org and lookmail.eu.org.

emailfake.com resolves to a single IP number: 91.196.52.205.