`extensionsfox.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:3560^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:d399^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.53.96^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.211.153^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ian.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b76^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ian.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c176^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ian.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2176^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ian.ns.cloudflare.com`
		A	108.162.193.118^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ian.ns.cloudflare.com`
		A	172.64.33.118^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ian.ns.cloudflare.com`
		A	173.245.59.118^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ian.ns.cloudflare.com`
NS	`sarah.ns.cloudflare.com`
		A	2606:4700:50::a29f:26da^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sarah.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2da^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sarah.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22da^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sarah.ns.cloudflare.com`
		A	108.162.194.218^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sarah.ns.cloudflare.com`
		A	162.159.38.218^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sarah.ns.cloudflare.com`
		A	172.64.34.218^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sarah.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	`cryptomus=229da6da`
TXT	`google-site-verification=2xO3LcbCRPEbtXy_kP4WfHI20sOieHoOXO6fwi4_yes`
TXT	`v=spf1 +include:_netblocks.m.feishu.cn -all`
TXT	`verification-code-site-App_feishu=ZuKxhBR2I4aBav2KuSys`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.53.96, 172.67.211.153
		IPv6	2606:4700:3030::6815:3560, 2606:4700:3034::ac43:d399
SOA	`ian.ns.cloudflare.com`dns@cloudflare.com serial=2399477089

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1771291435

Same first word

extensionsfox.com

DNS History

9 records (9 active, 0 former)

●NSian.ns.cloudflare.com2026-03-05 → 2026-03-20 · 2 obs

● 2026-03-05 03:08:46
● 2026-03-20 07:32:18

●NSsarah.ns.cloudflare.com2026-03-05 → 2026-03-20 · 2 obs

● 2026-03-05 03:08:46
● 2026-03-20 07:32:18

●MXmx1.feishu.cn2026-03-05 → 2026-03-20 · 2 obs

● 2026-03-05 03:08:46
● 2026-03-20 07:32:18

●MXmx2.feishu.cn2026-03-05 → 2026-03-20 · 2 obs

● 2026-03-05 03:08:46
● 2026-03-20 07:32:18

●MXmx3.feishu.cn2026-03-05 → 2026-03-20 · 2 obs

● 2026-03-05 03:08:46
● 2026-03-20 07:32:18

●A104.21.53.962026-03-05 → 2026-03-20 · 2 obs

● 2026-03-05 03:08:46
● 2026-03-20 07:32:18

●A172.67.211.1532026-03-05 → 2026-03-20 · 2 obs

● 2026-03-05 03:08:46
● 2026-03-20 07:32:18

●A2606:4700:3030::6815:35602026-03-05 → 2026-03-20 · 2 obs

● 2026-03-05 03:08:46
● 2026-03-20 07:32:18

●A2606:4700:3034::ac43:d3992026-03-05 → 2026-03-20 · 2 obs

● 2026-03-05 03:08:46
● 2026-03-20 07:32:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
extensionsfox.com	ian.ns.cloudflare.com, sarah.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.193.118

NS records: ian.ns.cloudflare.com, sarah.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for extensionsfox.com (unsigned zone)

⏱️ Timing

Total: 295ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.53.96, 172.67.211.153`
AAAA	2	`2606:4700:3030::6815:3560, 2606:4700:3034::ac43:d399`
NS	2	`ian.ns.cloudflare.com, sarah.ns.cloudflare.com`
MX	3	`mx1.feishu.cn (pri: 1), mx3.feishu.cn (pri: 10)...`
TXT	4	`cryptomus=229da6da, google-site-verification=2xO3LcbCRPEbtXy...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ian.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ian.ns.cloudflare.com, ian.ns.cloudflare.com, ian.ns.cloudflare.com...)

Analysis

IP Addresses

extensionsfox.com resolves to four IPs: 2606:4700:3030::6815:3560, 2606:4700:3034::ac43:d399, 104.21.53.96 and 172.67.211.153.

Other host names such as busan123a.top, mildnet.org, cleverlotto.net, ns2.innovations.com.ua and freecrackbox.com share IP numbers with extensionsfox.com.

Name Servers

extensionsfox.com is delegated to two name servers: ian.ns.cloudflare.com and sarah.ns.cloudflare.com.

extensionsfox.com uses the same name server setup as other domains, including 398182-icloud.com, philpicinic.com, abu-king.eu, thekoreanguide.com and niomaker.com.

At least part of the name servers for extensionsfox.com are shared with other domains, for instance swipeix.com, yppwang.com, cuteindian(0x6675636b).com, nelsonandendicott.com and hqden.com.

These name servers are commonly used with lily.ns.cloudflare.com, stevie.ns.cloudflare.com, agustin.ns.cloudflare.com and kyree.ns.cloudflare.com.

Host names with six IP numbers:

ian.ns.cloudflare.com points to: 2606:4700:58::adf5:3b76, 2803:f800:50::6ca2:c176, 2a06:98c1:50::ac40:2176, 108.162.193.118, 172.64.33.118 and 173.245.59.118.

sarah.ns.cloudflare.com points to: 2606:4700:50::a29f:26da, 2803:f800:50::6ca2:c2da, 2a06:98c1:50::ac40:22da, 108.162.194.218, 162.159.38.218 and 172.64.34.218.

Mail Servers

Three mail servers handle extensionsfox.com: mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.

extensionsfox.com shares at least some mail servers with other domains, for example xsky.com, kanmoto.com, tanyibot.com, leetaifook.com and jzkgkj.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.

Hosts pointing to 52.220.106.220: mx3.feishu.cn and mx1.feishu.cn.

Hosts pointing to 101.126.58.225: mx3.feishu.cn and mx2.feishu.cn.

Hosts pointing to 122.14.229.0: mx3.feishu.cn and mx2.feishu.cn.

extensionsfox.com - robtex.com