`server1.concoursehotel.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:8a^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:800e^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.0.138^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.128.14^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.0.138, 172.67.128.14
		IPv6	2606:4700:3033::6815:8a, 2606:4700:3033::ac43:800e

`concoursehotel.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:8a^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:800e^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.0.138^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.128.14^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`anirban.ns.cloudflare.com` ⭐
NS	`aria.ns.cloudflare.com`
MX	`concoursehotel-com.mail.protection.outlook.com` ⭐
TXT	`00D5f000005tlp6=1TBRi0000000OQX`
TXT	`MS=ms91236359`
TXT	`detectify-verification=0bd2f51ddceb9546378cea6c4f215efe`
TXT	`facebook-domain-verification=m8utt035igqw5s35rroik7v6v3vpbc`
TXT	`google-site-verification=vG3-WpvY44LWqPhD8_xSECrwgUXRMESkFdTO2f0-mxQ`
TXT	`v=spf1 ip4:173.203.164.184 include:spf.protection.outlook.com include:spf.mar...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.0.138, 172.67.128.14
		IPv6	2606:4700:3033::6815:8a, 2606:4700:3033::ac43:800e
SOA	`anirban.ns.cloudflare.com`dns@cloudflare.com serial=2400021181

rank #748196 globally
rank #340927 in the tld
WOT: UNKNOWN (60/100)

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DNS History

10 records (4 active, 6 former)

●A104.21.0.1382026-02-20 → 2026-03-27 · 6 obs

○ 2016-09-27 02:49:02
● 2026-02-20 01:46:04
○ 2026-03-20 11:21:46
○ 2026-03-23 02:45:40
● 2026-03-24 03:50:28
● 2026-03-27 01:06:00

○A162.209.8.1562016-04-03 → 2016-09-27 · 5 obs

○ 2015-12-27 05:21:02
● 2016-04-03 20:12:56
● 2016-09-27 02:49:02
○ 2026-02-20 01:46:04
○ 2026-03-27 01:06:00

●A172.67.128.142026-02-20 → 2026-03-27 · 6 obs

○ 2016-09-27 02:49:02
● 2026-02-20 01:46:04
○ 2026-03-20 11:21:46
○ 2026-03-23 02:45:40
● 2026-03-24 03:50:28
● 2026-03-27 01:06:00

○A188.114.96.02026-03-20 → 2026-03-23 · 5 obs

○ 2026-02-20 01:46:04
● 2026-03-20 11:21:46
● 2026-03-23 02:45:40
○ 2026-03-24 03:50:28
○ 2026-03-27 01:06:00

○A188.114.97.02026-03-20 → 2026-03-23 · 5 obs

○ 2026-02-20 01:46:04
● 2026-03-20 11:21:46
● 2026-03-23 02:45:40
○ 2026-03-24 03:50:28
○ 2026-03-27 01:06:00

○A216.86.156.1282015-05-31 → 2015-12-27 · 4 obs

● 2015-05-31 17:26:22
● 2015-12-27 05:21:02
○ 2016-04-03 20:12:56
○ 2026-03-27 01:06:00

●A2606:4700:3033::6815:8a2026-02-20 → 2026-03-27 · 6 obs

○ 2016-09-27 02:49:02
● 2026-02-20 01:46:04
○ 2026-03-20 11:21:46
○ 2026-03-23 02:45:40
● 2026-03-24 03:50:28
● 2026-03-27 01:06:00

●A2606:4700:3033::ac43:800e2026-02-20 → 2026-03-27 · 6 obs

○ 2016-09-27 02:49:02
● 2026-02-20 01:46:04
○ 2026-03-20 11:21:46
○ 2026-03-23 02:45:40
● 2026-03-24 03:50:28
● 2026-03-27 01:06:00

○A2a06:98c1:3120::2026-03-20 → 2026-03-23 · 5 obs

○ 2026-02-20 01:46:04
● 2026-03-20 11:21:46
● 2026-03-23 02:45:40
○ 2026-03-24 03:50:28
○ 2026-03-27 01:06:00

○A2a06:98c1:3121::2026-03-20 → 2026-03-23 · 5 obs

○ 2026-02-20 01:46:04
● 2026-03-20 11:21:46
● 2026-03-23 02:45:40
○ 2026-03-24 03:50:28
○ 2026-03-27 01:06:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, l.gtld-servers.net, c.gtld-servers.net, j.gtld-servers.net...	-
concoursehotel.com	aria.ns.cloudflare.com, anirban.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.64

NS records: aria.ns.cloudflare.com, anirban.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for concoursehotel.com (unsigned zone)

⏱️ Timing

Total: 235ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.0.138, 172.67.128.14`
AAAA	2	`2606:4700:3033::6815:8a, 2606:4700:3033::ac43:800e`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

Four IP numbers are pointed to by server1.concoursehotel.com: 2606:4700:3033::6815:8a, 2606:4700:3033::ac43:800e, 104.21.0.138 and 172.67.128.14.

other host names including icedox.net, winamaxe.fr, amtropiusr.com, saff.ba and thecrossinghickory.com share IP numbers with server1.concoursehotel.com.

server1.concoursehotel.com - robtex.com