`authstep2-booking.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:dc2c^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::6815:5359^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.83.89^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.220.44^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`aldo.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cf8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aldo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3f8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`aldo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23f8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`aldo.ns.cloudflare.com`
		A	108.162.195.248^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aldo.ns.cloudflare.com`
		A	162.159.44.248^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aldo.ns.cloudflare.com`
		A	172.64.35.248^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aldo.ns.cloudflare.com`
NS	`olga.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a89^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olga.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c089^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`olga.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2089^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`olga.ns.cloudflare.com`
		A	108.162.192.137^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olga.ns.cloudflare.com`
		A	172.64.32.137^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olga.ns.cloudflare.com`
		A	173.245.58.137^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olga.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.83.89, 172.67.220.44
		IPv6 hints	2606:4700:3030::ac43:dc2c, 2606:4700:3032::6815:5359
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=241, name=cloudflare-ech.com
SOA	`aldo.ns.cloudflare.com`dns@cloudflare.com serial=2398474549

`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=1776086202

⚠️ On DNS blocklist: tif

Same first word

authstep2-booking.com

DNS History

6 records (6 active, 0 former)

●NSaldo.ns.cloudflare.com2026-04-12 → 2026-04-13 · 2 obs

● 2026-04-12 19:50:30
● 2026-04-13 13:25:58

●NSolga.ns.cloudflare.com2026-04-12 → 2026-04-13 · 2 obs

● 2026-04-12 19:50:30
● 2026-04-13 13:25:58

●A104.21.83.892026-04-12 → 2026-04-13 · 2 obs

● 2026-04-12 19:50:30
● 2026-04-13 13:25:58

●A172.67.220.442026-04-12 → 2026-04-13 · 2 obs

● 2026-04-12 19:50:30
● 2026-04-13 13:25:58

●A2606:4700:3030::ac43:dc2c2026-04-12 → 2026-04-13 · 2 obs

● 2026-04-12 19:50:30
● 2026-04-13 13:25:58

●A2606:4700:3032::6815:53592026-04-12 → 2026-04-13 · 2 obs

● 2026-04-12 19:50:30
● 2026-04-13 13:25:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
authstep2-booking.com	olga.ns.cloudflare.com, aldo.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.137

NS records: olga.ns.cloudflare.com, aldo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for authstep2-booking.com (unsigned zone)

⏱️ Timing

Total: 140ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.83.89, 172.67.220.44`
AAAA	2	`2606:4700:3032::6815:5359, 2606:4700:3030::ac43:dc2c`
NS	2	`aldo.ns.cloudflare.com, olga.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`aldo.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

authstep2-booking.com resolves to four IPs: 2606:4700:3030::ac43:dc2c, 2606:4700:3032::6815:5359, 104.21.83.89 and 172.67.220.44.

Other host names such as 4kreal(0x696e63657374).com, l0uy.com, hotel-guest-entry.com, asianleo.com and www.4kreal(0x696e63657374).com share IP numbers with authstep2-booking.com.

Name Servers

authstep2-booking.com is delegated to two name servers: aldo.ns.cloudflare.com and olga.ns.cloudflare.com.

authstep2-booking.com uses the same name server setup as other domains, including confirmation-id785.com, eteckh.com, wtafans.com, em-app-tech.com and dao-9.org.

At least part of the name servers for authstep2-booking.com are shared with other domains, for instance iphonestudio.pl, rwdtok.com, brandbuzzads.com, ficarra.com and qthotels.co.nz.

These name servers are often used together with desi.ns.cloudflare.com, dayana.ns.cloudflare.com and dahlia.ns.cloudflare.com.

Host names with six IP numbers:

aldo.ns.cloudflare.com points to: 2606:4700:58::a29f:2cf8, 2803:f800:50::6ca2:c3f8, 2a06:98c1:50::ac40:23f8, 108.162.195.248, 162.159.44.248 and 172.64.35.248.

olga.ns.cloudflare.com points to: 2606:4700:50::adf5:3a89, 2803:f800:50::6ca2:c089, 2a06:98c1:50::ac40:2089, 108.162.192.137, 172.64.32.137 and 173.245.58.137.

authstep2-booking.com - robtex.com