`usmleedu.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:22f6^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:a6a2^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.34.246^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.166.162^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`frank.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3ba6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`frank.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1a6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`frank.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21a6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`frank.ns.cloudflare.com`
		A	108.162.193.166^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`frank.ns.cloudflare.com`
		A	172.64.33.166^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`frank.ns.cloudflare.com`
		A	173.245.59.166^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`frank.ns.cloudflare.com`
NS	`saanvi.ns.cloudflare.com`
		A	2606:4700:50::a29f:2650^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`saanvi.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c250^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`saanvi.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2250^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`saanvi.ns.cloudflare.com`
		A	108.162.194.80^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`saanvi.ns.cloudflare.com`
		A	162.159.38.80^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`saanvi.ns.cloudflare.com`
		A	172.64.34.80^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`saanvi.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.34.246, 172.67.166.162
		IPv6 hints	2606:4700:3033::6815:22f6, 2606:4700:3037::ac43:a6a2
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=203, name=cloudflare-ech.com
SOA	`frank.ns.cloudflare.com`dns@cloudflare.com serial=2406489790

`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=1784685047

Same first word

usmleedu.com

DNS History

15 records (6 active, 9 former)

○NSdns15.hichina.com2017-08-11 → 2017-08-11 · 3 obs

● 2017-08-11 00:09:42
○ 2026-04-20 05:55:18
○ 2026-07-22 01:54:34

○NSdns16.hichina.com2017-08-11 → 2017-08-11 · 3 obs

● 2017-08-11 00:09:42
○ 2026-04-20 05:55:18
○ 2026-07-22 01:54:34

●NSfrank.ns.cloudflare.com2026-04-20 → 2026-07-22 · 3 obs

○ 2017-08-11 00:09:42
● 2026-04-20 05:55:18
● 2026-07-22 01:54:34

●NSsaanvi.ns.cloudflare.com2026-04-20 → 2026-07-22 · 3 obs

○ 2017-08-11 00:09:42
● 2026-04-20 05:55:18
● 2026-07-22 01:54:34

●A104.21.34.2462026-04-20 → 2026-07-22 · 8 obs

○ 2017-08-11 00:09:42
● 2026-04-20 05:55:18
○ 2026-04-24 19:34:46
● 2026-04-27 13:47:30
● 2026-05-24 06:32:02
○ 2026-06-03 04:30:30
○ 2026-06-05 14:09:02
● 2026-07-22 01:54:34

○A120.24.75.1522017-08-11 → 2017-08-11 · 3 obs

● 2017-08-11 00:09:42
○ 2026-04-20 05:55:18
○ 2026-07-22 01:54:34

●A172.67.166.1622026-04-20 → 2026-07-22 · 8 obs

○ 2017-08-11 00:09:42
● 2026-04-20 05:55:18
○ 2026-04-24 19:34:46
● 2026-04-27 13:47:30
● 2026-05-24 06:32:02
○ 2026-06-03 04:30:30
○ 2026-06-05 14:09:02
● 2026-07-22 01:54:34

○A188.114.96.02026-04-24 → 2026-06-05 · 7 obs

○ 2026-04-20 05:55:18
● 2026-04-24 19:34:46
○ 2026-04-27 13:47:30
○ 2026-05-24 06:32:02
● 2026-06-03 04:30:30
● 2026-06-05 14:09:02
○ 2026-07-22 01:54:34

○A188.114.97.02026-04-24 → 2026-06-05 · 7 obs

○ 2026-04-20 05:55:18
● 2026-04-24 19:34:46
○ 2026-04-27 13:47:30
○ 2026-05-24 06:32:02
● 2026-06-03 04:30:30
● 2026-06-05 14:09:02
○ 2026-07-22 01:54:34

○A2606:4700:3032::6815:22f62026-04-20 → 2026-05-24 · 7 obs

○ 2017-08-11 00:09:42
● 2026-04-20 05:55:18
○ 2026-04-24 19:34:46
● 2026-04-27 13:47:30
● 2026-05-24 06:32:02
○ 2026-06-03 04:30:30
○ 2026-07-22 01:54:34

○A2606:4700:3032::ac43:a6a22026-04-20 → 2026-05-24 · 7 obs

○ 2017-08-11 00:09:42
● 2026-04-20 05:55:18
○ 2026-04-24 19:34:46
● 2026-04-27 13:47:30
● 2026-05-24 06:32:02
○ 2026-06-03 04:30:30
○ 2026-07-22 01:54:34

●A2606:4700:3033::6815:22f62026-07-22 → 2026-07-22 · 2 obs

○ 2026-06-05 14:09:02
● 2026-07-22 01:54:34

●A2606:4700:3037::ac43:a6a22026-07-22 → 2026-07-22 · 2 obs

○ 2026-06-05 14:09:02
● 2026-07-22 01:54:34

○A2a06:98c1:3120::2026-04-24 → 2026-06-05 · 7 obs

○ 2026-04-20 05:55:18
● 2026-04-24 19:34:46
○ 2026-04-27 13:47:30
○ 2026-05-24 06:32:02
● 2026-06-03 04:30:30
● 2026-06-05 14:09:02
○ 2026-07-22 01:54:34

○A2a06:98c1:3121::2026-04-24 → 2026-06-05 · 7 obs

○ 2026-04-20 05:55:18
● 2026-04-24 19:34:46
○ 2026-04-27 13:47:30
○ 2026-05-24 06:32:02
● 2026-06-03 04:30:30
● 2026-06-05 14:09:02
○ 2026-07-22 01:54:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
usmleedu.com	frank.ns.cloudflare.com, saanvi.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.80

NS records: frank.ns.cloudflare.com, saanvi.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for usmleedu.com (unsigned zone)

⏱️ Timing

Total: 1270ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.166.162, 104.21.34.246`
AAAA	2	`2606:4700:3037::ac43:a6a2, 2606:4700:3033::6815:22f6`
NS	2	`frank.ns.cloudflare.com, saanvi.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`frank.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

usmleedu.com points to the four IP addresses 104.21.34.246, 172.67.166.162, 2606:4700:3033::6815:22f6 and 2606:4700:3037::ac43:a6a2.

domains.ntm.bz, thiasil.com, theorangebulletin.com plus two other host names have IP numbers in common with usmleedu.com.

Name Servers

DNS delegation for usmleedu.com points to two name servers: frank.ns.cloudflare.com and saanvi.ns.cloudflare.com.

The name server configuration of usmleedu.com is shared with other domains, for instance yxsdjz.com, njxinkeyuan.com, casinosschnellercuszahlung.com and two others.

At least some of usmleedu.com's name servers are shared with other domains, for example asset-wealth.pro, baddinosaur.co.uk, gameboost800.shop and two more.

These name servers tend to be deployed in combination with the name servers elma.ns.cloudflare.com and serenity.ns.cloudflare.com.

Hosts with 6 IP addresses each:

frank.ns.cloudflare.com has IP addresses 108.162.193.166, 172.64.33.166 and 173.245.59.166, plus 3 other.

saanvi.ns.cloudflare.com has IP addresses 108.162.194.80, 162.159.38.80 and 172.64.34.80, plus 3 other.

usmleedu.com - robtex.com

usmleedu.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`usmleedu.com`

`com`