`ii.sb`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:adfb^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:6041^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.96.65^{Cloudflare104.21.96.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.173.251^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`christina.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26c1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`christina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2c1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`christina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22c1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`christina.ns.cloudflare.com`
		A	108.162.194.193^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`christina.ns.cloudflare.com`
		A	162.159.38.193^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`christina.ns.cloudflare.com`
		A	172.64.34.193^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`christina.ns.cloudflare.com`
NS	`will.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b95^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`will.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c195^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`will.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2195^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`will.ns.cloudflare.com`
		A	108.162.193.149^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`will.ns.cloudflare.com`
		A	172.64.33.149^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`will.ns.cloudflare.com`
		A	173.245.59.149^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`will.ns.cloudflare.com`
MX	`mx1.feishu.cn` ⭐
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
MX	`mx2.feishu.cn`⁽⁵⁾
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
MX	`mx3.feishu.cn`⁽¹⁰⁾
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
TXT	`v=spf1 +include:_netblocks.m.feishu.cn -all`
TXT	`verification-code-site-App_feishu=cXsRNkhoPfARKDFjlrXg`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.96.65, 172.67.173.251
		IPv6 hints	2606:4700:3034::ac43:adfb, 2606:4700:3035::6815:6041
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=243, name=cloudflare-ech.com
SOA	`christina.ns.cloudflare.com`dns@cloudflare.com serial=2402824732

`sb`

	DNSSEC	🔒 Signed (DS record present)
	NS	`dns1.telekom.net.sb` ⭐
	NS	`ns1.anycastdns.cz`
	NS	`ns2.anycastdns.cz`
	NS	`pch.nic.sb`
	TXT	`Generation Time: 1777355651`
	TXT	`Generation Time ISO 8601: 2026-04-28 05:54:11`
	SOA	`dns1.telekom.net.sb`dns@telekom.net.sb 2026-04-28 #2

Same first word

ii.ee

ii.blog.br

ii.co.th

ii.delivery

ii.gd

ii.cc

ii.re.kr

ii.com

ii.coop

ii.net

ii.casino

ii.ht

ii.te.ua

ii.net.au

ii.fi

ii.ma

ii.lc

ii.ro

ii.sk

ii.sg

ii.co.uk

ii.eu

ii.is

ii.systems

ii.la

ii.inc

ii.world

ii.com.cn

ii.no

ii.ua

ii.com.tw

ii.care

ii.nl

ii.ca

ii.be

ii.de

ii.company

ii.pe

ii.or.kr

ii.ha.cn

ii.co

ii.edu.mk

ii.net.br

ii.su

ii.center

ii.hu

ii.coach

ii.cn

ii.pl

ii.com.tr

ii.sb

ii.fyi

ii.dog

ii.nu

ii.cl

ii.biz

ii.com.pl

ii.pp.ru

ii.gl

ii.com.gt

ii.gs

ii.technology

ii.pr.gov.br

ii.to

ii.cz

ii.ru

ii.am

ii.tv

ii.org

ii.spb.ru

ii.life

ii.se

ii.cx

ii.do

ii.co.kr

ii.com.au

ii.hl.cn

ii.co.rs

DNS History

9 records (9 active, 0 former)

●NSchristina.ns.cloudflare.com2026-04-27 → 2026-04-28 · 2 obs

● 2026-04-27 14:03:42
● 2026-04-28 07:22:46

●NSwill.ns.cloudflare.com2026-04-27 → 2026-04-28 · 2 obs

● 2026-04-27 14:03:42
● 2026-04-28 07:22:46

●MXmx1.feishu.cn2026-04-27 → 2026-04-28 · 2 obs

● 2026-04-27 14:03:42
● 2026-04-28 07:22:46

●MXmx2.feishu.cn2026-04-27 → 2026-04-28 · 2 obs

● 2026-04-27 14:03:42
● 2026-04-28 07:22:46

●MXmx3.feishu.cn2026-04-27 → 2026-04-28 · 2 obs

● 2026-04-27 14:03:42
● 2026-04-28 07:22:46

●A104.21.96.652026-04-27 → 2026-04-28 · 2 obs

● 2026-04-27 14:03:42
● 2026-04-28 07:22:46

●A172.67.173.2512026-04-27 → 2026-04-28 · 2 obs

● 2026-04-27 14:03:42
● 2026-04-28 07:22:46

●A2606:4700:3034::ac43:adfb2026-04-27 → 2026-04-28 · 2 obs

● 2026-04-27 14:03:42
● 2026-04-28 07:22:46

●A2606:4700:3035::6815:60412026-04-27 → 2026-04-28 · 2 obs

● 2026-04-27 14:03:42
● 2026-04-28 07:22:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
sb	ns2.anycastdns.cz, ns1.anycastdns.cz, pch.nic.sb	5 records
ii.sb	will.ns.cloudflare.com, christina.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.193

NS records: will.ns.cloudflare.com, christina.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ii.sb (unsigned zone)

⏱️ Timing

Total: 928ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.96.65, 172.67.173.251`
AAAA	2	`2606:4700:3035::6815:6041, 2606:4700:3034::ac43:adfb`
NS	2	`christina.ns.cloudflare.com, will.ns.cloudflare.com`
MX	3	`mx1.feishu.cn (pri: 1), mx3.feishu.cn (pri: 10)...`
TXT	2	`v=spf1 +include:_netblocks.m.feishu.cn -, verification-code-site-App_feishu=cXsRNk`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`christina.ns.cloudflare.com dns.cloudfla`

📌 Glue Records Collected

Total: 5

In-bailiwick: 2 (pch.nic.sb, pch.nic.sb)

Out-of-bailiwick: 3 (ns2.anycastdns.cz, ns1.anycastdns.cz, ns1.anycastdns.cz)

Analysis

IP Addresses

ii.sb maps to four IP numbers: 2606:4700:3034::ac43:adfb, 2606:4700:3035::6815:6041, 104.21.96.65 and 172.67.173.251.

Other host names such as matbet844.org, kidsnightonbroadway.com, xckxomww.studio, ruus.se and www.loganparkneighborhood.org share IPs with ii.sb.

Name Servers

Two name servers christina.ns.cloudflare.com and will.ns.cloudflare.com handle the delegation for ii.sb.

ii.sb shares the same name server setup as other domains, for example wildsinodeutsche.com, akmpvt.com, dhcp.cc, jojodiy.com and nasreen.ca.

ii.sb at least partially shares name servers with other domains, for example live(0x736578)asiancams.com, 21im.com, vinklyx.com, mintym.com and nwzbxcfmseiyv.space.

these name servers are commonly used alongside dawn.ns.cloudflare.com name servers.

Host names with six IP numbers:

christina.ns.cloudflare.com points to 2606:4700:50::a29f:26c1, 2803:f800:50::6ca2:c2c1, 2a06:98c1:50::ac40:22c1, 108.162.194.193, 162.159.38.193 and 172.64.34.193.

will.ns.cloudflare.com points to 2606:4700:58::adf5:3b95, 2803:f800:50::6ca2:c195, 2a06:98c1:50::ac40:2195, 108.162.193.149, 172.64.33.149 and 173.245.59.149.

Mail Servers

ii.sb is handled by three mail servers: mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.

ii.sb shares at least partially some mail servers with other domains, for instance cxidc.xyz, pindeer.com, picustom.com, yeeha.app and djyos.com.

Host names with three IP numbers: mx3.feishu.cn points to 52.220.106.220, 101.126.58.225 and 122.14.229.0.

Host names with two IP numbers: mx2.feishu.cn points to 101.126.58.225 and 122.14.229.0.

Host names with one IP number: mx1.feishu.cn points to 52.220.106.220.

Host names pointing to 52.220.106.220: mx3.feishu.cn and mx1.feishu.cn.

Host names pointing to 101.126.58.225: mx3.feishu.cn and mx2.feishu.cn.

Host names pointing to 122.14.229.0: mx3.feishu.cn and mx2.feishu.cn.

ii.sb - robtex.com

ii.sb

sb

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`ii.sb`

`sb`