`umdsslstudy04.xyz`

DNSSEC	⚠️ Not signed
NS	`ben.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b67^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ben.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c167^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ben.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2167^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ben.ns.cloudflare.com`
		A	108.162.193.103^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ben.ns.cloudflare.com`
		A	172.64.33.103^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ben.ns.cloudflare.com`
		A	173.245.59.103^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ben.ns.cloudflare.com`
NS	`linda.ns.cloudflare.com`
		A	2606:4700:50::adf5:3afa^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`linda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0fa^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`linda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20fa^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`linda.ns.cloudflare.com`
		A	108.162.192.250^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`linda.ns.cloudflare.com`
		A	172.64.32.250^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`linda.ns.cloudflare.com`
		A	173.245.58.250^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`linda.ns.cloudflare.com`
MX	`ph04.10815.net` ⭐
		A	72.83.45.244^{🇺🇸 AS70172.83.0.0/16 MCI Communications Services, LLC d/b/a Verizon Business}
			PTR	`kemp.10815.net`
SOA	`ben.ns.cloudflare.com`dns@cloudflare.com serial=2410681082

`xyz`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns0.centralnic.net` ⭐
	NS	`generationxyz.nic.xyz`
	NS	`x.nic.xyz`
	NS	`y.nic.xyz`
	NS	`z.nic.xyz`
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=3000856846

⚠️ On DNS blocklist: tif

Same first word

umdsslstudy04.xyz

DNS History

3 records (3 active, 0 former)

●NSben.ns.cloudflare.com2026-07-28 → 2026-08-12 · 2 obs

● 2026-07-28 05:15:10
● 2026-08-12 18:38:26

●NSlinda.ns.cloudflare.com2026-07-28 → 2026-08-12 · 2 obs

● 2026-07-28 05:15:10
● 2026-08-12 18:38:26

●MXph04.10815.net2026-07-28 → 2026-08-12 · 2 obs

● 2026-07-28 05:15:10
● 2026-08-12 18:38:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
xyz	x.nic.xyz, generationxyz.nic.xyz, z.nic.xyz, y.nic.xyz	-
umdsslstudy04.xyz	ben.ns.cloudflare.com, linda.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.103

NS records: ben.ns.cloudflare.com, linda.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for umdsslstudy04.xyz (unsigned zone)

⏱️ Timing

Total: 217ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ben.ns.cloudflare.com, linda.ns.cloudflare.com`
MX	1	`ph04.10815.net (pri: 1)`
SOA	1	`ben.ns.cloudflare.com dns.cloudflare.com`

Analysis

Name Servers

Two name servers handle the delegation for umdsslstudy04.xyz: ben.ns.cloudflare.com and linda.ns.cloudflare.com.

umdsslstudy04.xyz has the same name server delegation as a number of other domains, such as weryfikacja.cfd, autoryzacja.cfd, umdsslstudy05.xyz and two more.

umdsslstudy04.xyz has at least partial name server overlap with other domains, such as bloise.us, oetn.cf, nastyarich.ru and two others.

Host names resolving to 6 IP numbers:

ben.ns.cloudflare.com resolves to 108.162.193.103, 172.64.33.103 and 173.245.59.103 among others, with 3 other IP addresses in total.

linda.ns.cloudflare.com resolves to 108.162.192.250, 172.64.32.250 and 173.245.58.250 among others, with 3 other IP addresses in total.

Mail Servers

umdsslstudy04.xyz routes its mail through a single mail server, ph04.10815.net.

umdsslstudy04.xyz has an identical mail server setup to umdsslstudy02.xyz, umdsslstudy01.xyz, umdsslstudy05.xyz and umdsslstudy03.xyz, as well as other domains.

ph04.10815.net carries a single IP number, which is 72.83.45.244.

umdsslstudy04.xyz - robtex.com