authentication.zip - dns.ninja

`authentication.zip`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:3712^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:9002^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.55.18^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.144.2^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`amanda.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a3f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amanda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c03f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`amanda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:203f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`amanda.ns.cloudflare.com`
		A	108.162.192.63^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amanda.ns.cloudflare.com`
		A	172.64.32.63^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amanda.ns.cloudflare.com`
		A	173.245.58.63^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amanda.ns.cloudflare.com`
NS	`vern.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bf3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vern.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1f3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`vern.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21f3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`vern.ns.cloudflare.com`
		A	108.162.193.243^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vern.ns.cloudflare.com`
		A	172.64.33.243^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vern.ns.cloudflare.com`
		A	173.245.59.243^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vern.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.55.18, 172.67.144.2
		IPv6 hints	2606:4700:3033::6815:3712, 2606:4700:3033::ac43:9002
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=170, name=cloudflare-ech.com
SOA	`amanda.ns.cloudflare.com`dns@cloudflare.com serial=2406714292

`zip`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Same first word

Similar names

authnetication.herokuapp.com

DNS History

10 records (6 active, 4 former)

●NSamanda.ns.cloudflare.com2026-02-15 → 2026-06-14 · 2 obs

● 2026-02-15 23:12:52
● 2026-06-14 00:05:56

●NSvern.ns.cloudflare.com2026-02-15 → 2026-06-14 · 2 obs

● 2026-02-15 23:12:52
● 2026-06-14 00:05:56

●A104.21.55.182026-02-15 → 2026-06-14 · 6 obs

● 2026-02-15 23:12:52
● 2026-03-08 18:26:24
○ 2026-03-13 05:40:26
● 2026-04-27 05:26:00
○ 2026-05-03 03:51:04
● 2026-06-14 00:05:56

●A172.67.144.22026-02-15 → 2026-06-14 · 6 obs

● 2026-02-15 23:12:52
● 2026-03-08 18:26:24
○ 2026-03-13 05:40:26
● 2026-04-27 05:26:00
○ 2026-05-03 03:51:04
● 2026-06-14 00:05:56

○A188.114.96.02026-03-13 → 2026-05-03 · 5 obs

○ 2026-03-08 18:26:24
● 2026-03-13 05:40:26
○ 2026-04-27 05:26:00
● 2026-05-03 03:51:04
○ 2026-06-14 00:05:56

○A188.114.97.02026-03-13 → 2026-05-03 · 5 obs

○ 2026-03-08 18:26:24
● 2026-03-13 05:40:26
○ 2026-04-27 05:26:00
● 2026-05-03 03:51:04
○ 2026-06-14 00:05:56

●A2606:4700:3033::6815:37122026-02-15 → 2026-06-14 · 6 obs

● 2026-02-15 23:12:52
● 2026-03-08 18:26:24
○ 2026-03-13 05:40:26
● 2026-04-27 05:26:00
○ 2026-05-03 03:51:04
● 2026-06-14 00:05:56

●A2606:4700:3033::ac43:90022026-02-15 → 2026-06-14 · 6 obs

● 2026-02-15 23:12:52
● 2026-03-08 18:26:24
○ 2026-03-13 05:40:26
● 2026-04-27 05:26:00
○ 2026-05-03 03:51:04
● 2026-06-14 00:05:56

○A2a06:98c1:3120::2026-03-13 → 2026-05-03 · 5 obs

○ 2026-03-08 18:26:24
● 2026-03-13 05:40:26
○ 2026-04-27 05:26:00
● 2026-05-03 03:51:04
○ 2026-06-14 00:05:56

○A2a06:98c1:3121::2026-03-13 → 2026-05-03 · 5 obs

○ 2026-03-08 18:26:24
● 2026-03-13 05:40:26
○ 2026-04-27 05:26:00
● 2026-05-03 03:51:04
○ 2026-06-14 00:05:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
zip	ns-tld2.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	10 records
authentication.zip	vern.ns.cloudflare.com, amanda.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.243

NS records: vern.ns.cloudflare.com, amanda.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for authentication.zip (unsigned zone)

⏱️ Timing

Total: 333ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.144.2, 104.21.55.18`
AAAA	2	`2606:4700:3033::6815:3712, 2606:4700:3033::ac43:9002`
NS	2	`amanda.ns.cloudflare.com, vern.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`amanda.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

IP Addresses

authentication.zip points to four IP numbers: 104.21.55.18, 172.67.144.2, 2606:4700:3033::6815:3712 and 2606:4700:3033::ac43:9002.

Among the host names that share IP numbers with authentication.zip are grupo-iamsa.com.mx, wowair.es, harlaninstitute.org and two others.

Name Servers

authentication.zip is delegated to two name servers: amanda.ns.cloudflare.com and vern.ns.cloudflare.com.

authentication.zip has the same name server delegation as a number of other domains, such as motorcompleto.com, homeswiper.com, musen-portal.jp and two more.

The name servers of authentication.zip overlap at least partially with those of other domains — among them hy1528913.com, darreltank.com, gametora.com and two more.

These name servers commonly appear alongside the name servers colin.ns.cloudflare.com and andy.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

amanda.ns.cloudflare.com resolves to 108.162.192.63, 172.64.32.63, 173.245.58.63 and 3 other IP addresses.

vern.ns.cloudflare.com resolves to 108.162.193.243, 172.64.33.243, 173.245.59.243 and 3 other IP addresses.