🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`syncstring.app`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:5ee6^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:8d4b^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.94.230^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.141.75^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`daisy.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a5a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`daisy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c05a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`daisy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:205a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`daisy.ns.cloudflare.com`
		A	108.162.192.90^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`daisy.ns.cloudflare.com`
		A	172.64.32.90^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`daisy.ns.cloudflare.com`
		A	173.245.58.90^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`daisy.ns.cloudflare.com`
NS	`felipe.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c74^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`felipe.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c374^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`felipe.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2374^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`felipe.ns.cloudflare.com`
		A	108.162.195.116^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`felipe.ns.cloudflare.com`
		A	162.159.44.116^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`felipe.ns.cloudflare.com`
		A	172.64.35.116^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`felipe.ns.cloudflare.com`
MX	`syncstring-app.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c91d::a^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr21cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:c936::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-cy1pr05cu00400.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch5pr02cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::7^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch5pr02cu00307.inbound.protection.outlook.com`
		A	52.101.40.2^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy1pr05cu00402.inbound.protection.outlook.com`
		A	52.101.41.3^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj2pr05cu00103.inbound.protection.outlook.com`
		A	52.101.41.183^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-byapr04cu00307.inbound.protection.outlook.com`
		A	52.101.194.19^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch5pr02cu00303.inbound.protection.outlook.com`
TXT	`MS=ms27709462`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`v=verifydomain MS=4675875`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.94.230, 172.67.141.75
		IPv6 hints	2606:4700:3033::6815:5ee6, 2606:4700:3033::ac43:8d4b
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=32, name=cloudflare-ech.com
SOA	`daisy.ns.cloudflare.com`dns@cloudflare.com serial=2412876236

`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

syncstring.pages.dev

syncstring.app

syncstring.com

Previous names

Next names

DNS History

11 records (7 active, 4 former)

●NSdaisy.ns.cloudflare.com2026-08-21 → 2026-08-25 · 3 obs

○ 2026-08-18 03:13:52
● 2026-08-21 13:12:52
● 2026-08-25 06:15:48

●NSfelipe.ns.cloudflare.com2026-08-21 → 2026-08-25 · 3 obs

○ 2026-08-18 03:13:52
● 2026-08-21 13:12:52
● 2026-08-25 06:15:48

○NSns73.domaincontrol.com2026-08-18 → 2026-08-18 · 3 obs

● 2026-08-18 03:13:52
○ 2026-08-21 13:12:52
○ 2026-08-25 06:15:48

○NSns74.domaincontrol.com2026-08-18 → 2026-08-18 · 3 obs

● 2026-08-18 03:13:52
○ 2026-08-21 13:12:52
○ 2026-08-25 06:15:48

●MXsyncstring-app.mail.protection.outlook.com2026-08-18 → 2026-08-25 · 4 obs

● 2026-08-18 03:13:52
○ 2026-08-23 01:49:12
● 2026-08-23 04:15:48
● 2026-08-25 06:15:48

●A104.21.94.2302026-08-21 → 2026-08-25 · 5 obs

○ 2026-08-18 03:13:52
● 2026-08-21 13:12:52
○ 2026-08-23 01:49:12
● 2026-08-23 04:15:48
● 2026-08-25 06:15:48

○A162.159.143.302026-08-18 → 2026-08-18 · 3 obs

● 2026-08-18 03:13:52
○ 2026-08-21 13:12:52
○ 2026-08-25 06:15:48

○A172.66.3.262026-08-18 → 2026-08-18 · 3 obs

● 2026-08-18 03:13:52
○ 2026-08-21 13:12:52
○ 2026-08-25 06:15:48

●A172.67.141.752026-08-21 → 2026-08-25 · 5 obs

○ 2026-08-18 03:13:52
● 2026-08-21 13:12:52
○ 2026-08-23 01:49:12
● 2026-08-23 04:15:48
● 2026-08-25 06:15:48

●A2606:4700:3033::6815:5ee62026-08-21 → 2026-08-25 · 5 obs

○ 2026-08-18 03:13:52
● 2026-08-21 13:12:52
○ 2026-08-23 01:49:12
● 2026-08-23 04:15:48
● 2026-08-25 06:15:48

●A2606:4700:3033::ac43:8d4b2026-08-21 → 2026-08-25 · 5 obs

○ 2026-08-18 03:13:52
● 2026-08-21 13:12:52
○ 2026-08-23 01:49:12
● 2026-08-23 04:15:48
● 2026-08-25 06:15:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	10 records
syncstring.app	felipe.ns.cloudflare.com, daisy.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.90

NS records: felipe.ns.cloudflare.com, daisy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for syncstring.app (unsigned zone)

⏱️ Timing

Total: 496ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.141.75, 104.21.94.230`
AAAA	2	`2606:4700:3033::6815:5ee6, 2606:4700:3033::ac43:8d4b`
NS	2	`daisy.ns.cloudflare.com, felipe.ns.cloudflare.com`
MX	1	`syncstring-app.mail.protection.outlook.c`
TXT	3	`MS=ms27709462, v=spf1 include:spf.protection.outlook.co...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`daisy.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...)

Analysis

IP Addresses

syncstring.app resolves to four IP addresses: 104.21.94.230, 172.67.141.75, 2606:4700:3033::6815:5ee6 and 2606:4700:3033::ac43:8d4b.

Among the host names that share IP numbers with syncstring.app are e-fenbei.com, xrpl-distribution.live, ictworld.co.za and two others.

Name Servers

Two name servers handle the delegation for syncstring.app: daisy.ns.cloudflare.com and felipe.ns.cloudflare.com.

syncstring.app has the same name server delegation as a number of other domains, such as mmc.com.pe, wagnerhaus.com, fruitorganismboost.info and two more.

syncstring.app shares at least some of its name servers with other domains, including blueworldstudio.com, samizco.ir, webtolove.com and two others.

These name servers are frequently seen alongside the name servers fred.ns.cloudflare.com, hal.ns.cloudflare.com, kara.ns.cloudflare.com and carlane.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

daisy.ns.cloudflare.com resolves to 108.162.192.90, 172.64.32.90 and 173.245.58.90 among others, with 3 other IP addresses in total.

felipe.ns.cloudflare.com resolves to 108.162.195.116, 162.159.44.116 and 172.64.35.116 among others, with 3 other IP addresses in total.

Mail Servers

syncstring.app routes its mail through a single mail server, syncstring-app.mail.protection.outlook.com.

syncstring-app.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.40.2, 52.101.41.3 and 52.101.41.183, along with 5 other.

syncstring.app - robtex.com

syncstring.app

app

Same first word

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`syncstring.app`

`app`