`cus.bio`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:c4d0^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:1544^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.21.68^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.196.208^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`lilith.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:268f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lilith.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c28f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lilith.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:228f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lilith.ns.cloudflare.com`
		A	108.162.194.143^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lilith.ns.cloudflare.com`
		A	162.159.38.143^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lilith.ns.cloudflare.com`
		A	172.64.34.143^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lilith.ns.cloudflare.com`
NS	`rex.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c0d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rex.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c30d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rex.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:230d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rex.ns.cloudflare.com`
		A	108.162.195.13^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rex.ns.cloudflare.com`
		A	162.159.44.13^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rex.ns.cloudflare.com`
		A	172.64.35.13^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rex.ns.cloudflare.com`
MX	`mx1-hosting.jellyfish.systems` ⭐
		A	162.255.118.28^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`oxse3a.privateemail.com`
MX	`mx2-hosting.jellyfish.systems`⁽¹⁰⁾
		A	162.255.118.29^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`oxse2b.privateemail.com`
MX	`mx3-hosting.jellyfish.systems`⁽²⁰⁾
		A	162.255.118.13^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`mx3-hosting.jellyfish.systems`
TXT	`v=spf1 +a +mx +ip4:162.0.215.103 include:spf.web-hosting.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.21.68, 172.67.196.208
		IPv6 hints	2606:4700:3030::ac43:c4d0, 2606:4700:3036::6815:1544
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=168, name=cloudflare-ech.com
SOA	`lilith.ns.cloudflare.com`dns@cloudflare.com serial=2400457046

`bio`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.nic.bio` ⭐
	NS	`a2.nic.bio`
	NS	`b0.nic.bio`
	NS	`c0.nic.bio`
	SOA	`a0.nic.bio`hostmaster@donuts.email serial=1775932793

Same first word

cus.com.au

cus.cn

cus.in

cus.one

cus.net.cn

cus.de

cus.ru

cus.us

cus.be

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cus.gmbh

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cus.edu.co

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cus.jp

cus.org.uk

Similar names

csu.kz

csu.us

usc.edu.cn

usc.es

csu.edu.cn

ucs.com.ua

scu.su

csu.edu.ph

usc.or.kr

csu.gov.sl

usc.ch

csu.edu.rs

scu.ac.jp

ucs.com.au

usc.ac.th

scu.info

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csu.org.au

ucs.aero

suc.pt

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scu.net.au

ucs.it

scu.eu

csu.su

csu.bayern

ucs.dk

scu.org

scu.co.id

ucs.ro

csu.com.tr

usc.tn

csu.com.br

scu.lk

usc.com.pk

ucs.ru

csu.ae

scu.org.ua

scu.pl

ucs.co.nz

suc.dk

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ucs.co.id

ucs.su

csu.it

ucs.org

scu.ru

usc.asso.fr

scu.com.ua

ucs.br

suc.io

ucs.co.za

ucs.de

suc.info

suc.co.za

csu.net

scu.im

csu.edu.au

ucs.mobi

csu.co.cr

usc.edu.ph

csu.ac.kr

ucs.ie

usc.in

csu.ph

scu.com.pl

ucs.mx

ucs.my

usc.br

scu.eun.eg

scu.ac.cn

scu.org.uy

suc.in

csu.nl

scu.co

scu.ac.ir

usc.lv

suc.ir

usc.edu.eg

ucs.edu.pk

usc.edu.au

ucs.ee

scu.online

usc.ro

csu.org.tw

DNS History

11 records (9 active, 2 former)

●NSlilith.ns.cloudflare.com2026-03-01 → 2026-04-11 · 2 obs

● 2026-03-01 04:24:14
● 2026-04-11 18:59:42

●NSrex.ns.cloudflare.com2026-03-01 → 2026-04-11 · 2 obs

● 2026-03-01 04:24:14
● 2026-04-11 18:59:42

●MXmx1-hosting.jellyfish.systems2026-03-01 → 2026-04-11 · 2 obs

● 2026-03-01 04:24:14
● 2026-04-11 18:59:42

●MXmx2-hosting.jellyfish.systems2026-03-01 → 2026-04-11 · 2 obs

● 2026-03-01 04:24:14
● 2026-04-11 18:59:42

●MXmx3-hosting.jellyfish.systems2026-03-01 → 2026-04-11 · 2 obs

● 2026-03-01 04:24:14
● 2026-04-11 18:59:42

●A104.21.21.682026-03-01 → 2026-04-11 · 5 obs

● 2026-03-01 04:24:14
○ 2026-03-03 00:59:48
○ 2026-03-07 04:39:26
● 2026-03-27 06:51:40
● 2026-04-11 18:59:42

○A172.64.80.12026-03-03 → 2026-03-07 · 5 obs

○ 2026-03-01 04:24:14
● 2026-03-03 00:59:48
● 2026-03-07 04:39:26
○ 2026-03-27 06:51:40
○ 2026-04-11 18:59:42

●A172.67.196.2082026-03-01 → 2026-04-11 · 5 obs

● 2026-03-01 04:24:14
○ 2026-03-03 00:59:48
○ 2026-03-07 04:39:26
● 2026-03-27 06:51:40
● 2026-04-11 18:59:42

○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-07 → 2026-03-07 · 5 obs

○ 2026-03-01 04:24:14
○ 2026-03-03 00:59:48
● 2026-03-07 04:39:26
○ 2026-03-27 06:51:40
○ 2026-04-11 18:59:42

●A2606:4700:3030::ac43:c4d02026-03-01 → 2026-04-11 · 5 obs

● 2026-03-01 04:24:14
● 2026-03-03 00:59:48
○ 2026-03-07 04:39:26
● 2026-03-27 06:51:40
● 2026-04-11 18:59:42

●A2606:4700:3036::6815:15442026-03-01 → 2026-04-11 · 5 obs

● 2026-03-01 04:24:14
● 2026-03-03 00:59:48
○ 2026-03-07 04:39:26
● 2026-03-27 06:51:40
● 2026-04-11 18:59:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
bio	c0.nic.bio, a2.nic.bio, a0.nic.bio, b0.nic.bio	8 records
cus.bio	rex.ns.cloudflare.com, lilith.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.143

NS records: rex.ns.cloudflare.com, lilith.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cus.bio (unsigned zone)

⏱️ Timing

Total: 480ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.196.208, 104.21.21.68`
AAAA	2	`2606:4700:3036::6815:1544, 2606:4700:3030::ac43:c4d0`
NS	2	`lilith.ns.cloudflare.com, rex.ns.cloudflare.com`
MX	3	`mx2-hosting.jellyfish.systems (pri: 10), mx3-hosting.jellyfish.systems (pri: 20)...`
TXT	1	`v=spf1 +a +mx +ip4:162.0.215.103 include`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`lilith.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (c0.nic.bio, b0.nic.bio, a2.nic.bio...)

Analysis

IP Addresses

cus.bio points to four IP numbers: 2606:4700:3030::ac43:c4d0, 2606:4700:3036::6815:1544, 104.21.21.68 and 172.67.196.208.

For instance, other host names qhdtiandu.com, campingworldoforangecounty.com, sipandeng.com, www.avto-shkola-start.ru and arunk140.com share IP numbers with cus.bio.

Name Servers

cus.bio is delegated to two name servers: lilith.ns.cloudflare.com and rex.ns.cloudflare.com.

cus.bio uses the same name server setup as other domains such as printyour.com.ua, tantal.com, x789w.top, hoholah.com and hoholah.xyz.

cus.bio shares name servers with other domains at least partially, for example provisionliving.com, urbanbetting938.com, limascores.com, govregulariza.co and scribemeetsworld.com.

These name servers are commonly used with heather.ns.cloudflare.com, iris.ns.cloudflare.com and ligia.ns.cloudflare.com.

Host names with six IP numbers: host name lilith.ns.cloudflare.com points to: 2606:4700:50::a29f:268f, 2803:f800:50::6ca2:c28f, 2a06:98c1:50::ac40:228f, 108.162.194.143, 162.159.38.143 and 172.64.34.143; host name rex.ns.cloudflare.com points to: 2606:4700:58::a29f:2c0d, 2803:f800:50::6ca2:c30d, 2a06:98c1:50::ac40:230d, 108.162.195.13, 162.159.44.13 and 172.64.35.13.

Mail Servers

cus.bio is served by three mail servers: mx1-hosting.jellyfish.systems, mx2-hosting.jellyfish.systems and mx3-hosting.jellyfish.systems.

cus.bio shares mail servers with other domains at least partially; for instance istana-8899.com, cherkostube.com, full-movie.site, everland.club and 789690733.xyz.

Host names with a single IP address: mx1-hosting.jellyfish.systems points to 162.255.118.28; mx2-hosting.jellyfish.systems points to 162.255.118.29; mx3-hosting.jellyfish.systems points to 162.255.118.13.

cus.bio - robtex.com

cus.bio

bio

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`cus.bio`

`bio`