`qfstudio.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:2b50^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:b0f4^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.43.80^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.176.244^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`katja.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2635^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`katja.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c235^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`katja.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2235^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`katja.ns.cloudflare.com`
		A	108.162.194.53^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`katja.ns.cloudflare.com`
		A	162.159.38.53^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`katja.ns.cloudflare.com`
		A	172.64.34.53^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`katja.ns.cloudflare.com`
NS	`matteo.ns.cloudflare.com`
		A	2606:4700:58::a29f:2ce0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matteo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3e0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`matteo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23e0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`matteo.ns.cloudflare.com`
		A	108.162.195.224^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matteo.ns.cloudflare.com`
		A	162.159.44.224^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matteo.ns.cloudflare.com`
		A	172.64.35.224^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matteo.ns.cloudflare.com`
MX	`mxn.mxhichina.com` ⭐
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
MX	`mxw.mxhichina.com`⁽¹⁰⁾
		A	47.246.99.195^{🇺🇸 Alibaba-Cloud47.246.96.0/22 Proxy-registered route object}
			PTR	`reachsmartdwell.com`
TXT	`v=spf1 include:spf.mxhichina.com include:spf.qiye.aliyun.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.43.80, 172.67.176.244
		IPv6 hints	2606:4700:3033::6815:2b50, 2606:4700:3037::ac43:b0f4
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=56, name=cloudflare-ech.com
SOA	`katja.ns.cloudflare.com`dns@cloudflare.com serial=2409595855

`net`

	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` ⚠️ Not in parent delegation
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1785392147

Same first word

qfstudio.net

Similar names

fqstudio.com

DNS History

10 records (8 active, 2 former)

●NSkatja.ns.cloudflare.com2026-05-29 → 2026-07-30 · 2 obs

● 2026-05-29 12:55:50
● 2026-07-30 06:19:18

●NSmatteo.ns.cloudflare.com2026-05-29 → 2026-07-30 · 2 obs

● 2026-05-29 12:55:50
● 2026-07-30 06:19:18

●MXmxn.mxhichina.com2026-05-29 → 2026-07-30 · 2 obs

● 2026-05-29 12:55:50
● 2026-07-30 06:19:18

●MXmxw.mxhichina.com2026-05-29 → 2026-07-30 · 2 obs

● 2026-05-29 12:55:50
● 2026-07-30 06:19:18

●A104.21.43.802026-05-29 → 2026-07-30 · 2 obs

● 2026-05-29 12:55:50
● 2026-07-30 06:19:18

●A172.67.176.2442026-05-29 → 2026-07-30 · 2 obs

● 2026-05-29 12:55:50
● 2026-07-30 06:19:18

●A2606:4700:3033::6815:2b502026-07-30 → 2026-07-30 · 2 obs

○ 2026-06-05 19:20:48
● 2026-07-30 06:19:18

○A2606:4700:3035::ac43:b0f42026-05-29 → 2026-06-05 · 3 obs

● 2026-05-29 12:55:50
● 2026-06-05 19:20:48
○ 2026-07-30 06:19:18

○A2606:4700:3036::6815:2b502026-05-29 → 2026-06-05 · 3 obs

● 2026-05-29 12:55:50
● 2026-06-05 19:20:48
○ 2026-07-30 06:19:18

●A2606:4700:3037::ac43:b0f42026-07-30 → 2026-07-30 · 2 obs

○ 2026-06-05 19:20:48
● 2026-07-30 06:19:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, c.gtld-servers.net, j.gtld-servers.net, g.gtld-servers.net...	-
qfstudio.net	katja.ns.cloudflare.com, matteo.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.53

NS records: katja.ns.cloudflare.com, matteo.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1763ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.176.244, 104.21.43.80`
AAAA	2	`2606:4700:3037::ac43:b0f4, 2606:4700:3033::6815:2b50`
NS	2	`katja.ns.cloudflare.com, matteo.ns.cloudflare.com`
MX	2	`mxw.mxhichina.com (pri: 10), mxn.mxhichina.com (pri: 5)`
TXT	1	`v=spf1 include:spf.mxhichina.com include`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`katja.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

qfstudio.net points to the four IP addresses 104.21.43.80, 172.67.176.244, 2606:4700:3033::6815:2b50 and 2606:4700:3037::ac43:b0f4.

guanzhonglv.com, www.wamicon.org, biopattern.org and two other host names share IP numbers with qfstudio.net.

Name Servers

qfstudio.net is delegated to two name servers: katja.ns.cloudflare.com and matteo.ns.cloudflare.com.

qfstudio.net uses the same name servers as several other domains — among them midogguide.com, fana-amp-google.pages.dev, purposefulnetworking.com and two more.

The name servers of qfstudio.net overlap at least partially with those of other domains — among them wlfitoken.vip, tampa-mls.com, theracell.eu and two more.

These name servers commonly co-occur with the name servers mckinley.ns.cloudflare.com, ali.ns.cloudflare.com, lloyd.ns.cloudflare.com and virginia.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

katja.ns.cloudflare.com resolves to 108.162.194.53, 162.159.38.53, 172.64.34.53 and 3 other IP addresses.

matteo.ns.cloudflare.com resolves to 108.162.195.224, 162.159.44.224, 172.64.35.224 and 3 other IP addresses.

Mail Servers

Mail for qfstudio.net is handled by two mail servers — mxn.mxhichina.com and mxw.mxhichina.com.

qfstudio.net uses an identical mail server configuration to several other domains — among them vsmilezirconia.com, yeecli.com, farmcm.com and two more.

qfstudio.net has at least partial mail server overlap with other domains such as toplovo.com, ifsbank.cn, win-role.com and two more.

Hostnames that resolve to two IP addresses:

mxn.mxhichina.com points to 47.246.136.231 and 47.246.137.47.

Hosts with just one IP address:

mxw.mxhichina.com points to 47.246.99.195.

qfstudio.net - robtex.com

qfstudio.net

net

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`qfstudio.net`

`net`