`app-guestinfos.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:22fb^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:a6de^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.34.251^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.166.222^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cruz.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a58^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cruz.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c058^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cruz.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2058^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cruz.ns.cloudflare.com`
		A	108.162.192.88^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cruz.ns.cloudflare.com`
		A	172.64.32.88^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cruz.ns.cloudflare.com`
		A	173.245.58.88^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cruz.ns.cloudflare.com`
NS	`nash.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bd1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nash.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1d1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nash.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21d1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nash.ns.cloudflare.com`
		A	108.162.193.209^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nash.ns.cloudflare.com`
		A	172.64.33.209^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nash.ns.cloudflare.com`
		A	173.245.59.209^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nash.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.34.251, 172.67.166.222
		IPv6 hints	2606:4700:3035::6815:22fb, 2606:4700:3037::ac43:a6de
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=76, name=cloudflare-ech.com
SOA	`cruz.ns.cloudflare.com`dns@cloudflare.com serial=2397367674

`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=1775383397

Subdomains

mybooking.app-guestinfos.com

Same first word

app-guestinfos.com

DNS History

6 records (6 active, 0 former)

●NScruz.ns.cloudflare.com2026-03-27 → 2026-04-05 · 2 obs

● 2026-03-27 03:42:36
● 2026-04-05 10:25:52

●NSnash.ns.cloudflare.com2026-03-27 → 2026-04-05 · 2 obs

● 2026-03-27 03:42:36
● 2026-04-05 10:25:52

●A104.21.34.2512026-03-27 → 2026-04-05 · 2 obs

● 2026-03-27 03:42:36
● 2026-04-05 10:25:52

●A172.67.166.2222026-03-27 → 2026-04-05 · 2 obs

● 2026-03-27 03:42:36
● 2026-04-05 10:25:52

●A2606:4700:3035::6815:22fb2026-03-27 → 2026-04-05 · 2 obs

● 2026-03-27 03:42:36
● 2026-04-05 10:25:52

●A2606:4700:3037::ac43:a6de2026-03-27 → 2026-04-05 · 2 obs

● 2026-03-27 03:42:36
● 2026-04-05 10:25:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
app-guestinfos.com	cruz.ns.cloudflare.com, nash.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.209

NS records: cruz.ns.cloudflare.com, nash.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for app-guestinfos.com (unsigned zone)

⏱️ Timing

Total: 145ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.34.251, 172.67.166.222`
AAAA	2	`2606:4700:3037::ac43:a6de, 2606:4700:3035::6815:22fb`
NS	2	`cruz.ns.cloudflare.com, nash.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cruz.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

The parent of mybooking.app-guestinfos.com is app-guestinfos.com.

IP Addresses

app-guestinfos.com maps to four IP numbers: 2606:4700:3035::6815:22fb, 2606:4700:3037::ac43:a6de, 104.21.34.251 and 172.67.166.222.

other host names include b74.hu, anonym.com.sgwww.plr3.com, www.nuadapress.com, ee275.com and pafinabire.org; they share IP numbers with app-guestinfos.com.

Name Servers

Two name servers cruz.ns.cloudflare.com and nash.ns.cloudflare.com handle the delegation for app-guestinfos.com.

app-guestinfos.com shares the same name server setup as other domains, for instance elucid.media, amolac.vn, toolmania.cl, authorssolution.co.uk and affidihfthn.com.

app-guestinfos.com at least partially shares name servers with other domains, for instance daxing-group.com, standardbutton.com, inov.club, ruzinov.sk and esterroi.com.

These name servers are commonly used with aspen.ns.cloudflare.com and donna.ns.cloudflare.com.

Six IP addresses per host:

cruz.ns.cloudflare.com points to 2606:4700:50::adf5:3a58, 2803:f800:50::6ca2:c058, 2a06:98c1:50::ac40:2058, 108.162.192.88, 172.64.32.88 and 173.245.58.88; nash.ns.cloudflare.com points to 2606:4700:58::adf5:3bd1, 2803:f800:50::6ca2:c1d1, 2a06:98c1:50::ac40:21d1, 108.162.193.209, 172.64.33.209 and 173.245.59.209

app-guestinfos.com - robtex.com