studyskillsbuilder.com - dns.ninja

`studyskillsbuilder.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:17b9^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:d4bd^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.23.185^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.212.189^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`lilith.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:268f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lilith.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c28f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lilith.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:228f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lilith.ns.cloudflare.com`
		A	108.162.194.143^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lilith.ns.cloudflare.com`
		A	162.159.38.143^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lilith.ns.cloudflare.com`
		A	172.64.34.143^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lilith.ns.cloudflare.com`
NS	`marty.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bcc^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marty.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1cc^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`marty.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21cc^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`marty.ns.cloudflare.com`
		A	108.162.193.204^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marty.ns.cloudflare.com`
		A	172.64.33.204^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marty.ns.cloudflare.com`
		A	173.245.59.204^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marty.ns.cloudflare.com`
MX	`eforward1.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward2.registrar-servers.com` ⭐
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward3.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward4.registrar-servers.com`⁽¹⁵⁾
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward5.registrar-servers.com`⁽²⁰⁾
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
TXT	`v=spf1 include:spf.efwd.registrar-servers.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.23.185, 172.67.212.189
		IPv6 hints	2606:4700:3030::6815:17b9, 2606:4700:3033::ac43:d4bd
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=39, name=cloudflare-ech.com
SOA	`lilith.ns.cloudflare.com`dns@cloudflare.com serial=2406670352

`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=1785774852

Same first word

studyskillsbuilder.com

DNS History

19 records (11 active, 8 former)

●NSlilith.ns.cloudflare.com2026-06-01 → 2026-08-03 · 3 obs

○ 2019-01-27 23:24:44
● 2026-06-01 16:18:06
● 2026-08-03 17:02:20

●NSmarty.ns.cloudflare.com2026-06-01 → 2026-08-03 · 3 obs

○ 2019-01-27 23:24:44
● 2026-06-01 16:18:06
● 2026-08-03 17:02:20

○NSns39.domaincontrol.com2017-01-05 → 2017-01-05 · 3 obs

● 2017-01-05 00:20:06
○ 2019-01-27 23:24:44
○ 2026-08-03 17:02:20

○NSns40.domaincontrol.com2017-01-05 → 2017-01-05 · 3 obs

● 2017-01-05 00:20:06
○ 2019-01-27 23:24:44
○ 2026-08-03 17:02:20

●MXeforward1.registrar-servers.com2026-06-01 → 2026-08-03 · 3 obs

○ 2019-01-27 23:24:44
● 2026-06-01 16:18:06
● 2026-08-03 17:02:20

●MXeforward2.registrar-servers.com2026-06-01 → 2026-08-03 · 3 obs

○ 2019-01-27 23:24:44
● 2026-06-01 16:18:06
● 2026-08-03 17:02:20

●MXeforward3.registrar-servers.com2026-06-01 → 2026-08-03 · 3 obs

○ 2019-01-27 23:24:44
● 2026-06-01 16:18:06
● 2026-08-03 17:02:20

●MXeforward4.registrar-servers.com2026-06-01 → 2026-08-03 · 3 obs

○ 2019-01-27 23:24:44
● 2026-06-01 16:18:06
● 2026-08-03 17:02:20

●MXeforward5.registrar-servers.com2026-06-01 → 2026-08-03 · 3 obs

○ 2019-01-27 23:24:44
● 2026-06-01 16:18:06
● 2026-08-03 17:02:20

○MXstudyskillsbuilder-com.mail.protection.outlook.com2017-01-05 → 2017-01-05 · 3 obs

● 2017-01-05 00:20:06
○ 2019-01-27 23:24:44
○ 2026-08-03 17:02:20

●A104.21.23.1852026-08-03 → 2026-08-03 · 3 obs

○ 2026-06-01 16:18:06
● 2026-08-03 17:02:18
● 2026-08-03 17:02:20

○A160.153.136.32017-01-05 → 2017-01-05 · 3 obs

● 2017-01-05 00:20:06
○ 2019-01-27 23:24:44
○ 2026-08-03 17:02:20

●A172.67.212.1892026-08-03 → 2026-08-03 · 3 obs

○ 2026-06-01 16:18:06
● 2026-08-03 17:02:18
● 2026-08-03 17:02:20

○A188.114.96.02026-06-01 → 2026-06-01 · 4 obs

○ 2019-01-27 23:24:44
● 2026-06-01 16:18:06
○ 2026-08-03 17:02:18
○ 2026-08-03 17:02:20

○A188.114.97.02026-06-01 → 2026-06-01 · 4 obs

○ 2019-01-27 23:24:44
● 2026-06-01 16:18:06
○ 2026-08-03 17:02:18
○ 2026-08-03 17:02:20

●A2606:4700:3030::6815:17b92026-08-03 → 2026-08-03 · 3 obs

○ 2026-06-01 16:18:06
● 2026-08-03 17:02:18
● 2026-08-03 17:02:20

●A2606:4700:3033::ac43:d4bd2026-08-03 → 2026-08-03 · 3 obs

○ 2026-06-01 16:18:06
● 2026-08-03 17:02:18
● 2026-08-03 17:02:20

○A2a06:98c1:3120::2026-06-01 → 2026-06-01 · 4 obs

○ 2019-01-27 23:24:44
● 2026-06-01 16:18:06
○ 2026-08-03 17:02:18
○ 2026-08-03 17:02:20

○A2a06:98c1:3121::2026-06-01 → 2026-06-01 · 4 obs

○ 2019-01-27 23:24:44
● 2026-06-01 16:18:06
○ 2026-08-03 17:02:18
○ 2026-08-03 17:02:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
studyskillsbuilder.com	marty.ns.cloudflare.com, lilith.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.204

NS records: marty.ns.cloudflare.com, lilith.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyskillsbuilder.com (unsigned zone)

⏱️ Timing

Total: 187ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.23.185, 172.67.212.189`
AAAA	2	`2606:4700:3033::ac43:d4bd, 2606:4700:3030::6815:17b9`
NS	2	`lilith.ns.cloudflare.com, marty.ns.cloudflare.com`
MX	5	`eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10...`
TXT	1	`v=spf1 include:spf.efwd.registrar-server`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`lilith.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

studyskillsbuilder.com directs to four IP numbers, which are 104.21.23.185, 172.67.212.189, 2606:4700:3030::6815:17b9 and 2606:4700:3033::ac43:d4bd.

ljairlines.com, freshfeed.co.uk, friul.net and two other host names share IP numbers with studyskillsbuilder.com.

Name Servers

studyskillsbuilder.com uses two name servers for its delegation: lilith.ns.cloudflare.com and marty.ns.cloudflare.com.

studyskillsbuilder.com uses the same name servers as several other domains — among them kubebond.com, srish.co, globaltexbd.com and two more.

The name servers of studyskillsbuilder.com overlap at least partially with those of other domains — among them naughtybutnice.com.au, com-wong.bond, mirkosignorile.com and two more.

These name servers commonly co-occur with the name servers sterling.ns.cloudflare.com, alexandra.ns.cloudflare.com, glen.ns.cloudflare.com and rex.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

Hostname lilith.ns.cloudflare.com directs to 108.162.194.143, 162.159.38.143 and 172.64.34.143 along with 3 other IP addresses.

Hostname marty.ns.cloudflare.com directs to 108.162.193.204, 172.64.33.204 and 173.245.59.204 along with 3 other IP addresses.

Mail Servers

Five mail servers handle studyskillsbuilder.com: eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com and two others.

studyskillsbuilder.com has at least partial mail server overlap with other domains such as rapid.trading, uzely.com, rightclickrentals.com and two more.

The mail servers eforward4.registrar-servers.com, eforward5.registrar-servers.com, eforward7.registrar-servers.com and eforward6.registrar-servers.com are commonly seen alongside these mail servers.

Hosts with just one IP address:

eforward1.registrar-servers.com has the IP address 162.255.118.51.

eforward2.registrar-servers.com has the IP address 162.255.118.52.

eforward3.registrar-servers.com has the IP address 162.255.118.51.

eforward4.registrar-servers.com has the IP address 162.255.118.52.

eforward5.registrar-servers.com has the IP address 162.255.118.51.

The host names eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com each resolve to 162.255.118.51.

Both eforward2.registrar-servers.com and eforward4.registrar-servers.com resolve to 162.255.118.52 IP addresses each.