`qrflows.app`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::ac43:d6ad^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:25e6^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.37.230^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.214.173^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bruce.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b4d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bruce.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c14d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bruce.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:214d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bruce.ns.cloudflare.com`
		A	108.162.193.77^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bruce.ns.cloudflare.com`
		A	172.64.33.77^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bruce.ns.cloudflare.com`
		A	173.245.59.77^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bruce.ns.cloudflare.com`
NS	`melissa.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ac7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melissa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0c7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`melissa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20c7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`melissa.ns.cloudflare.com`
		A	108.162.192.199^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melissa.ns.cloudflare.com`
		A	172.64.32.199^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melissa.ns.cloudflare.com`
		A	173.245.58.199^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melissa.ns.cloudflare.com`
MX	`mx2.zoho.eu` ⭐
		A	185.230.214.166^{🇳🇱 ZOHO-EU185.230.214.0/23}
			PTR	`mx2.zoho.eu`
			PTR	`mx3.zoho.eu`
			PTR	`mx.zoho.eu`
MX	`mx3.zoho.eu`⁽²⁰⁾
		A	185.230.212.166^{🇳🇱 ZOHO-EU185.230.212.0/23}
			PTR	`mx2.zoho.eu`
			PTR	`mx3.zoho.eu`
			PTR	`mx.zoho.eu`
MX	`mx.zoho.eu`⁽⁵⁰⁾
		A	185.20.209.166^{🇨🇭 COMPUTERLINE185.20.209.0/24}
			PTR	`mx2.zoho.eu`
			PTR	`mx3.zoho.eu`
			PTR	`mx.zoho.eu`
		A	185.230.214.166^{🇳🇱 ZOHO-EU185.230.214.0/23}
			PTR	`mx2.zoho.eu`
			PTR	`mx3.zoho.eu`
			PTR	`mx.zoho.eu`
TXT	`google-site-verification=xOo_wb83OkhLP8T3VWAqjLmEt1BaTWITDMxjh52wHEg`
TXT	`v=spf1 include:zohomail.eu ~all`
TXT	`zoho-verification=zb14492934.zmverify.zoho.eu`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.37.230, 172.67.214.173
		IPv6 hints	2606:4700:3036::ac43:d6ad, 2606:4700:3037::6815:25e6
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=152, name=cloudflare-ech.com
SOA	`bruce.ns.cloudflare.com`dns@cloudflare.com serial=2403979200

`app`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=101427

🔒 HSTS Preload (+subdomains)

Same first word

qrflows.app

DNS History

11 records (9 active, 2 former)

●NSbruce.ns.cloudflare.com2026-05-26 → 2026-06-24 · 2 obs

● 2026-05-26 12:43:06
● 2026-06-24 07:11:40

●NSmelissa.ns.cloudflare.com2026-05-26 → 2026-06-24 · 2 obs

● 2026-05-26 12:43:06
● 2026-06-24 07:11:40

●MXmx.zoho.eu2026-05-26 → 2026-06-24 · 2 obs

● 2026-05-26 12:43:06
● 2026-06-24 07:11:40

●MXmx2.zoho.eu2026-05-26 → 2026-06-24 · 2 obs

● 2026-05-26 12:43:06
● 2026-06-24 07:11:40

●MXmx3.zoho.eu2026-05-26 → 2026-06-24 · 2 obs

● 2026-05-26 12:43:06
● 2026-06-24 07:11:40

●A104.21.37.2302026-05-26 → 2026-06-24 · 2 obs

● 2026-05-26 12:43:06
● 2026-06-24 07:11:40

●A172.67.214.1732026-05-26 → 2026-06-24 · 2 obs

● 2026-05-26 12:43:06
● 2026-06-24 07:11:40

○A2606:4700:3035::6815:25e62026-05-26 → 2026-06-10 · 4 obs

● 2026-05-26 12:43:06
● 2026-06-10 07:24:42
○ 2026-06-24 03:03:54
○ 2026-06-24 07:11:40

○A2606:4700:3035::ac43:d6ad2026-05-26 → 2026-06-10 · 4 obs

● 2026-05-26 12:43:06
● 2026-06-10 07:24:42
○ 2026-06-24 03:03:54
○ 2026-06-24 07:11:40

●A2606:4700:3036::ac43:d6ad2026-06-24 → 2026-06-24 · 3 obs

○ 2026-06-10 07:24:42
● 2026-06-24 03:03:54
● 2026-06-24 07:11:40

●A2606:4700:3037::6815:25e62026-06-24 → 2026-06-24 · 3 obs

○ 2026-06-10 07:24:42
● 2026-06-24 03:03:54
● 2026-06-24 07:11:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
qrflows.app	bruce.ns.cloudflare.com, melissa.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.77

NS records: bruce.ns.cloudflare.com, melissa.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for qrflows.app (unsigned zone)

⏱️ Timing

Total: 1505ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.37.230, 172.67.214.173`
AAAA	2	`2606:4700:3037::6815:25e6, 2606:4700:3036::ac43:d6ad`
NS	2	`bruce.ns.cloudflare.com, melissa.ns.cloudflare.com`
MX	3	`mx.zoho.eu (pri: 10), mx2.zoho.eu (pri: 20)...`
TXT	3	`google-site-verification=xOo_wb83OkhLP8T, v=spf1 include:zohomail.eu ~all...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`bruce.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

qrflows.app has four IP addresses: 104.21.37.230, 172.67.214.173, 2606:4700:3036::ac43:d6ad and 2606:4700:3037::6815:25e6.

foundationmedicine.lu, 591.7v.shanghai369.net, mail.v11lemans.com plus two other host names have IP numbers in common with qrflows.app.

Name Servers

The NS records for qrflows.app delegate to bruce.ns.cloudflare.com and melissa.ns.cloudflare.com.

The name server configuration of qrflows.app is shared with other domains, for instance lymlight.com, x-up.com, tinari.com.br and two others.

qrflows.app has at least partial name server overlap with other domains, such as darkcanvas.com, torkpumps.com, dtdyw.cn and two others.

It is common to find these name servers paired with the name servers isabel.ns.cloudflare.com, devin.ns.cloudflare.com, hans.ns.cloudflare.com and cortney.ns.cloudflare.com.

Hosts with 6 IP addresses each:

bruce.ns.cloudflare.com maps to 108.162.193.77, 172.64.33.77, 173.245.59.77 and 3 additional IP addresses.

melissa.ns.cloudflare.com maps to 108.162.192.199, 172.64.32.199, 173.245.58.199 and 3 additional IP addresses.

Mail Servers

qrflows.app has three mail servers: mx2.zoho.eu, mx3.zoho.eu and mx.zoho.eu.

At least some of the mail servers used by qrflows.app are shared with other domains: cbz.ro, sudolab.hu, harakis.net and two others among them.

Host names pointing to two IP addresses:

The A records for mx.zoho.eu return 185.20.209.166 and 185.230.214.166.

Host names resolving to a single IP address:

mx2.zoho.eu resolves to the IP address 185.230.214.166.

mx3.zoho.eu resolves to the IP address 185.230.212.166.

mx.zoho.eu and mx2.zoho.eu each have 185.230.214.166 IP addresses.

qrflows.app - robtex.com

qrflows.app

app

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`qrflows.app`

`app`