`baidu503.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:2b90^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:b44b^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.43.144^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.180.75^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`hal.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bae^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hal.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ae^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hal.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ae^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hal.ns.cloudflare.com`
		A	108.162.193.174^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hal.ns.cloudflare.com`
		A	172.64.33.174^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hal.ns.cloudflare.com`
		A	173.245.59.174^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hal.ns.cloudflare.com`
NS	`nucum.ns.cloudflare.com`
		A	2606:4700:50::a29f:2691^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nucum.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c291^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nucum.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2291^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nucum.ns.cloudflare.com`
		A	108.162.194.145^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nucum.ns.cloudflare.com`
		A	162.159.38.145^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nucum.ns.cloudflare.com`
		A	172.64.34.145^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nucum.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.43.144, 172.67.180.75
		IPv6 hints	2606:4700:3036::6815:2b90, 2606:4700:3036::ac43:b44b
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=186, name=cloudflare-ech.com
SOA	`hal.ns.cloudflare.com`dns@cloudflare.com serial=2400015686

`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=1776108237

Same first word

baidu503.com

DNS History

6 records (6 active, 0 former)

●NShal.ns.cloudflare.com2026-03-27 → 2026-04-13 · 2 obs

● 2026-03-27 08:13:42
● 2026-04-13 19:47:58

●NSnucum.ns.cloudflare.com2026-03-27 → 2026-04-13 · 2 obs

● 2026-03-27 08:13:42
● 2026-04-13 19:47:58

●A104.21.43.1442026-03-27 → 2026-04-13 · 2 obs

● 2026-03-27 08:13:42
● 2026-04-13 19:47:58

●A172.67.180.752026-03-27 → 2026-04-13 · 2 obs

● 2026-03-27 08:13:42
● 2026-04-13 19:47:58

●A2606:4700:3036::6815:2b902026-03-27 → 2026-04-13 · 2 obs

● 2026-03-27 08:13:42
● 2026-04-13 19:47:58

●A2606:4700:3036::ac43:b44b2026-03-27 → 2026-04-13 · 2 obs

● 2026-03-27 08:13:42
● 2026-04-13 19:47:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
baidu503.com	hal.ns.cloudflare.com, nucum.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.174

NS records: hal.ns.cloudflare.com, nucum.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for baidu503.com (unsigned zone)

⏱️ Timing

Total: 87ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.180.75, 104.21.43.144`
AAAA	2	`2606:4700:3036::ac43:b44b, 2606:4700:3036::6815:2b90`
NS	2	`hal.ns.cloudflare.com, nucum.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`hal.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

baidu503.com maps to four IP numbers: 2606:4700:3036::6815:2b90, 2606:4700:3036::ac43:b44b, 104.21.43.144 and 172.67.180.75.

other host names include smiletranslatei2.com, lathamtimber.co.uk, exe2aut.com, www.homeland.bg and bz985.com; they share IP numbers with baidu503.com.

Name Servers

Two name servers hal.ns.cloudflare.com and nucum.ns.cloudflare.com handle the delegation for baidu503.com.

baidu503.com shares the same name server setup as other domains, for instance slbdw.com, nmagaza.com, mz-test.com, baidu444.com and baidu403.com.

baidu503.com at least partially shares name servers with other domains, for instance selektorr.icu, cedarrapidsremodels.com, hotel9dediciembre.com, avatrade.co.za and minhatela.vip.

These name servers are commonly used with cosmin.ns.cloudflare.com and alla.ns.cloudflare.com.

Six IP addresses per host:

hal.ns.cloudflare.com points to 2606:4700:58::adf5:3bae, 2803:f800:50::6ca2:c1ae, 2a06:98c1:50::ac40:21ae, 108.162.193.174, 172.64.33.174 and 173.245.59.174; nucum.ns.cloudflare.com points to 2606:4700:50::a29f:2691, 2803:f800:50::6ca2:c291, 2a06:98c1:50::ac40:2291, 108.162.194.145, 162.159.38.145 and 172.64.34.145

baidu503.com - robtex.com

baidu503.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`baidu503.com`

`com`