nerdstudy.com - dns.ninja

`nerdstudy.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:da5e^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:1873^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.24.115^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.218.94^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jim.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b7d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jim.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c17d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jim.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:217d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jim.ns.cloudflare.com`
		A	108.162.193.125^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jim.ns.cloudflare.com`
		A	172.64.33.125^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jim.ns.cloudflare.com`
		A	173.245.59.125^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jim.ns.cloudflare.com`
NS	`uma.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a92^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`uma.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c092^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`uma.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2092^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`uma.ns.cloudflare.com`
		A	108.162.192.146^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`uma.ns.cloudflare.com`
		A	172.64.32.146^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`uma.ns.cloudflare.com`
		A	173.245.58.146^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`uma.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c27::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadsk-in-f26.1e100.net`
		A	142.251.167.26^{🇺🇸 Google142.251.167.0/24}
			PTR	`ww-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4001:c21::1a^{🇩🇪 Google2a00:1450:4001::/48}
			PTR	`lcfrai-in-f26.1e100.net`
		A	142.251.127.26^{🇺🇸 Google142.251.127.0/24}
			PTR	`lcfrai-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4025:c01::1b^{🇵🇱 Google2a00:1450:4025::/48}
			PTR	`rd-in-f27.1e100.net`
		A	142.250.147.27^{🇺🇸 Google142.250.147.0/24}
			PTR	`rd-in-f27.1e100.net`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.24.115, 172.67.218.94
		IPv6 hints	2606:4700:3031::ac43:da5e, 2606:4700:3035::6815:1873
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=131, name=cloudflare-ech.com
SOA	`jim.ns.cloudflare.com`dns@cloudflare.com serial=2406897483

`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=1781708540

Same first word

nerdstudy.com

Similar names

studynerd.com

DNS History

24 records (11 active, 13 former)

○NSdns1.stabletransit.com2015-05-28 → 2016-04-19 · 4 obs

● 2015-05-28 13:49:12
● 2016-04-19 15:34:28
○ 2016-12-04 12:39:48
○ 2026-06-17 15:24:28

○NSdns2.stabletransit.com2015-05-28 → 2016-04-19 · 4 obs

● 2015-05-28 13:49:12
● 2016-04-19 15:34:28
○ 2016-12-04 12:39:48
○ 2026-06-17 15:24:28

●NSjim.ns.cloudflare.com2016-12-04 → 2026-06-17 · 3 obs

○ 2016-04-19 15:34:28
● 2016-12-04 12:39:48
● 2026-06-17 15:24:28

○NSns.rackspace.com2015-05-28 → 2016-04-19 · 4 obs

● 2015-05-28 13:49:12
● 2016-04-19 15:34:28
○ 2016-12-04 12:39:48
○ 2026-06-17 15:24:28

●NSuma.ns.cloudflare.com2016-12-04 → 2026-06-17 · 3 obs

○ 2016-04-19 15:34:28
● 2016-12-04 12:39:48
● 2026-06-17 15:24:28

●MXalt1.aspmx.l.google.com2026-02-15 → 2026-06-17 · 3 obs

○ 2016-12-27 19:48:34
● 2026-02-15 18:43:50
● 2026-06-17 15:24:28

●MXalt2.aspmx.l.google.com2026-02-15 → 2026-06-17 · 3 obs

○ 2016-12-27 19:48:34
● 2026-02-15 18:43:50
● 2026-06-17 15:24:28

●MXalt3.aspmx.l.google.com2026-02-15 → 2026-06-17 · 3 obs

○ 2016-12-27 19:48:34
● 2026-02-15 18:43:50
● 2026-06-17 15:24:28

●MXalt4.aspmx.l.google.com2026-02-15 → 2026-06-17 · 3 obs

○ 2016-12-27 19:48:34
● 2026-02-15 18:43:50
● 2026-06-17 15:24:28

●MXaspmx.l.google.com2026-02-15 → 2026-06-17 · 3 obs

○ 2016-12-27 19:48:34
● 2026-02-15 18:43:50
● 2026-06-17 15:24:28

○MXmailstore1.secureserver.net2015-05-28 → 2015-10-26 · 4 obs

● 2015-05-28 13:49:12
● 2015-10-26 21:49:18
○ 2016-01-22 10:28:12
○ 2026-06-17 15:24:28

○MXmx1.emailsrvr.com2016-01-22 → 2016-12-27 · 5 obs

○ 2015-10-26 21:49:18
● 2016-01-22 10:28:12
● 2016-12-27 19:48:34
○ 2026-02-15 18:43:50
○ 2026-06-17 15:24:28

○MXmx2.emailsrvr.com2016-01-22 → 2016-12-27 · 5 obs

○ 2015-10-26 21:49:18
● 2016-01-22 10:28:12
● 2016-12-27 19:48:34
○ 2026-02-15 18:43:50
○ 2026-06-17 15:24:28

○MXsmtp.secureserver.net2015-05-28 → 2015-10-26 · 4 obs

● 2015-05-28 13:49:12
● 2015-10-26 21:49:18
○ 2016-01-22 10:28:12
○ 2026-06-17 15:24:28

●A104.21.24.1152026-02-15 → 2026-06-17 · 3 obs

○ 2016-12-27 19:48:34
● 2026-02-15 18:43:50
● 2026-06-17 15:24:28

○A104.25.7.1062016-12-04 → 2016-12-27 · 5 obs

○ 2016-04-19 15:34:28
● 2016-12-04 12:39:48
● 2016-12-27 19:48:34
○ 2026-02-15 18:43:50
○ 2026-06-17 15:24:28

○A104.25.8.1062016-12-04 → 2016-12-27 · 5 obs

○ 2016-04-19 15:34:28
● 2016-12-04 12:39:48
● 2016-12-27 19:48:34
○ 2026-02-15 18:43:50
○ 2026-06-17 15:24:28

●A172.67.218.942026-02-15 → 2026-06-17 · 3 obs

○ 2016-12-27 19:48:34
● 2026-02-15 18:43:50
● 2026-06-17 15:24:28

○A192.237.253.1432016-01-22 → 2016-04-19 · 5 obs

○ 2015-10-26 21:49:18
● 2016-01-22 10:28:12
● 2016-04-19 15:34:28
○ 2016-12-04 12:39:48
○ 2026-06-17 15:24:28

○A198.61.171.1172015-05-28 → 2015-10-26 · 4 obs

● 2015-05-28 13:49:12
● 2015-10-26 21:49:18
○ 2016-01-22 10:28:12
○ 2026-06-17 15:24:28

○A2400:cb00:2048:1::6819:76a2016-12-04 → 2016-12-27 · 5 obs

○ 2016-04-19 15:34:28
● 2016-12-04 12:39:48
● 2016-12-27 19:48:34
○ 2026-02-15 18:43:50
○ 2026-06-17 15:24:28

○A2400:cb00:2048:1::6819:86a2016-12-04 → 2016-12-27 · 5 obs

○ 2016-04-19 15:34:28
● 2016-12-04 12:39:48
● 2016-12-27 19:48:34
○ 2026-02-15 18:43:50
○ 2026-06-17 15:24:28

●A2606:4700:3031::ac43:da5e2026-02-15 → 2026-06-17 · 3 obs

○ 2016-12-27 19:48:34
● 2026-02-15 18:43:50
● 2026-06-17 15:24:28

●A2606:4700:3035::6815:18732026-02-15 → 2026-06-17 · 3 obs

○ 2016-12-27 19:48:34
● 2026-02-15 18:43:50
● 2026-06-17 15:24:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
nerdstudy.com	jim.ns.cloudflare.com, uma.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.125

NS records: jim.ns.cloudflare.com, uma.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for nerdstudy.com (unsigned zone)

⏱️ Timing

Total: 189ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.218.94, 104.21.24.115`
AAAA	2	`2606:4700:3035::6815:1873, 2606:4700:3031::ac43:da5e`
NS	2	`jim.ns.cloudflare.com, uma.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jim.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

nerdstudy.com has four IP addresses: 104.21.24.115, 172.67.218.94, 2606:4700:3031::ac43:da5e and 2606:4700:3035::6815:1873.

www.abtreibung-hotline.at, kf-ventures.com, pokopiahabitats.com plus two other host names have IP numbers in common with nerdstudy.com.

Name Servers

Two name servers handle the delegation for nerdstudy.com: jim.ns.cloudflare.com and uma.ns.cloudflare.com.

The name server configuration of nerdstudy.com is shared with other domains, for instance lv5.ac, hopitalerasme.org, videogameswap.ca and two others.

nerdstudy.com has at least partial name server overlap with other domains, such as hadarmanor.com, digimarconmaiduguri.com, giftidy.com and two others.

It is common to find these name servers paired with the name servers gina.ns.cloudflare.com.

Hosts with 6 IP addresses each:

jim.ns.cloudflare.com resolves to 108.162.193.125, 172.64.33.125 and 173.245.59.125 among others, with 3 other IP addresses in total.

uma.ns.cloudflare.com resolves to 108.162.192.146, 172.64.32.146 and 173.245.58.146 among others, with 3 other IP addresses in total.

Mail Servers

Mail for nerdstudy.com is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

At least some of the mail servers used by nerdstudy.com are shared with other domains: ns500734.ns500734.ns500734.ns500699.ns500693.ns500693.ns500693.ns500588.ns500699.ns500588.ns500588.ns500612.ns500588.ns500632.ns500588.ns500588.ns500588.dtrkdll.com, hobbysnob.it, matchouston.org and two others among them.

These mail servers are often deployed together with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other mail servers.

Host names pointing to two IP addresses:

aspmx.l.google.com resolves to two addresses: 142.251.167.26 and 2607:f8b0:4004:c27::1a.

alt1.aspmx.l.google.com resolves to two addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.27 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com resolves to two addresses: 142.251.127.26 and 2a00:1450:4001:c21::1a.

alt4.aspmx.l.google.com resolves to two addresses: 142.250.147.27 and 2a00:1450:4025:c01::1b.