`centrecongres.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:3c9a^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:c5fe^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.60.154^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.197.254^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`barbara.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3af8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`barbara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0f8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`barbara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20f8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`barbara.ns.cloudflare.com`
		A	108.162.192.248^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`barbara.ns.cloudflare.com`
		A	172.64.32.248^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`barbara.ns.cloudflare.com`
		A	173.245.58.248^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`barbara.ns.cloudflare.com`
NS	`marek.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bca^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ca^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`marek.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ca^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`marek.ns.cloudflare.com`
		A	108.162.193.202^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
		A	172.64.33.202^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
		A	173.245.59.202^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.60.154, 172.67.197.254
		IPv6 hints	2606:4700:3034::6815:3c9a, 2606:4700:3034::ac43:c5fe
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=165, name=cloudflare-ech.com
SOA	`barbara.ns.cloudflare.com`dns@cloudflare.com serial=2402648073

`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=1777246701

Same first word

centrecongres.com

Similar names

congrescenter.nl

greenconcerts.com

DNS History

11 records (6 active, 5 former)

●NSbarbara.ns.cloudflare.com2026-04-10 → 2026-04-26 · 3 obs

○ 2017-03-27 17:03:44
● 2026-04-10 06:31:24
● 2026-04-26 23:59:44

●NSmarek.ns.cloudflare.com2026-04-10 → 2026-04-26 · 3 obs

○ 2017-03-27 17:03:44
● 2026-04-10 06:31:24
● 2026-04-26 23:59:44

○NSns1.systemdns.com2015-05-28 → 2017-03-27 · 4 obs

● 2015-05-28 06:49:54
● 2017-03-27 17:03:44
○ 2026-04-10 06:31:24
○ 2026-04-26 23:59:44

○NSns2.systemdns.com2015-05-28 → 2017-03-27 · 4 obs

● 2015-05-28 06:49:54
● 2017-03-27 17:03:44
○ 2026-04-10 06:31:24
○ 2026-04-26 23:59:44

○NSns3.systemdns.com2015-05-28 → 2017-03-27 · 4 obs

● 2015-05-28 06:49:54
● 2017-03-27 17:03:44
○ 2026-04-10 06:31:24
○ 2026-04-26 23:59:44

○MXmx.ipage.com2015-05-28 → 2017-03-27 · 4 obs

● 2015-05-28 06:49:54
● 2017-03-27 17:03:44
○ 2026-04-10 06:31:24
○ 2026-04-26 23:59:44

●A104.21.60.1542026-04-10 → 2026-04-26 · 3 obs

○ 2017-03-27 17:03:44
● 2026-04-10 06:31:24
● 2026-04-26 23:59:44

●A172.67.197.2542026-04-10 → 2026-04-26 · 3 obs

○ 2017-03-27 17:03:44
● 2026-04-10 06:31:24
● 2026-04-26 23:59:44

○A216.218.9.1632015-05-28 → 2017-03-27 · 4 obs

● 2015-05-28 06:49:54
● 2017-03-27 17:03:44
○ 2026-04-10 06:31:24
○ 2026-04-26 23:59:44

●A2606:4700:3034::6815:3c9a2026-04-10 → 2026-04-26 · 3 obs

○ 2017-03-27 17:03:44
● 2026-04-10 06:31:24
● 2026-04-26 23:59:44

●A2606:4700:3034::ac43:c5fe2026-04-10 → 2026-04-26 · 3 obs

○ 2017-03-27 17:03:44
● 2026-04-10 06:31:24
● 2026-04-26 23:59:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, b.gtld-servers.net, l.gtld-servers.net, d.gtld-servers.net...	-
centrecongres.com	barbara.ns.cloudflare.com, marek.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.202

NS records: barbara.ns.cloudflare.com, marek.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for centrecongres.com (unsigned zone)

⏱️ Timing

Total: 200ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.60.154, 172.67.197.254`
AAAA	2	`2606:4700:3034::ac43:c5fe, 2606:4700:3034::6815:3c9a`
NS	2	`barbara.ns.cloudflare.com, marek.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`barbara.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

centrecongres.com maps to four IP numbers: 2606:4700:3034::6815:3c9a, 2606:4700:3034::ac43:c5fe, 104.21.60.154 and 172.67.197.254.

other host names include 166fanhao.site, www.888-onlinecasino.com, nlp-sport.si, cheapjerseysalon.com and fun788.net; they share IP numbers with centrecongres.com.

Name Servers

Two name servers barbara.ns.cloudflare.com and marek.ns.cloudflare.com handle the delegation for centrecongres.com.

centrecongres.com shares the same name server setup as other domains, for instance patasol.com, sadcbc.ca, carletonsurmer.com, gfli.ca and heecpl.com.

centrecongres.com at least partially shares name servers with other domains, for instance petflair.co, 510740084d.cc, chrisstaging.com, byteterminal.com and leaptransit.com.

These name servers are commonly used with trevor.ns.cloudflare.com and rodney.ns.cloudflare.com.

Six IP addresses per host:

barbara.ns.cloudflare.com points to 2606:4700:50::adf5:3af8, 2803:f800:50::6ca2:c0f8, 2a06:98c1:50::ac40:20f8, 108.162.192.248, 172.64.32.248 and 173.245.58.248; marek.ns.cloudflare.com points to 2606:4700:58::adf5:3bca, 2803:f800:50::6ca2:c1ca, 2a06:98c1:50::ac40:21ca, 108.162.193.202, 172.64.33.202 and 173.245.59.202

centrecongres.com - robtex.com