`codeselfstudy.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:855f^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::6815:574^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.5.116^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.133.95^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`beth.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a67^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`beth.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c067^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`beth.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2067^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`beth.ns.cloudflare.com`
		A	108.162.192.103^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`beth.ns.cloudflare.com`
		A	172.64.32.103^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`beth.ns.cloudflare.com`
		A	173.245.58.103^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`beth.ns.cloudflare.com`
NS	`max.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b84^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`max.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c184^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`max.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2184^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`max.ns.cloudflare.com`
		A	108.162.193.132^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`max.ns.cloudflare.com`
		A	172.64.33.132^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`max.ns.cloudflare.com`
		A	173.245.59.132^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`max.ns.cloudflare.com`
MX	`route2.mx.cloudflare.net` ⭐
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁴²⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁶⁶⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.5.116, 172.67.133.95
		IPv6 hints	2606:4700:3030::ac43:855f, 2606:4700:3031::6815:574
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=60, name=cloudflare-ech.com
SOA	`beth.ns.cloudflare.com`dns@cloudflare.com serial=2403006280

`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=1778356751

Same first word

codeselfstudy.com

DNS History

16 records (9 active, 7 former)

●NSbeth.ns.cloudflare.com2015-08-13 → 2026-05-09 · 2 obs

● 2015-08-13 21:39:06
● 2026-05-09 20:06:28

●NSmax.ns.cloudflare.com2015-08-13 → 2026-05-09 · 2 obs

● 2015-08-13 21:39:06
● 2026-05-09 20:06:28

○MXdc-07af790c.codeselfstudy.com2015-08-13 → 2016-09-10 · 4 obs

● 2015-08-13 21:39:06
● 2016-09-10 18:05:26
○ 2017-06-21 02:29:32
○ 2026-05-09 20:06:28

○MXmx00.1and1.com2017-06-21 → 2017-06-21 · 4 obs

○ 2016-09-10 18:05:26
● 2017-06-21 02:29:32
○ 2026-02-15 13:57:48
○ 2026-05-09 20:06:28

○MXmx01.1and1.com2017-06-21 → 2017-06-21 · 4 obs

○ 2016-09-10 18:05:26
● 2017-06-21 02:29:32
○ 2026-02-15 13:57:48
○ 2026-05-09 20:06:28

●MXroute1.mx.cloudflare.net2026-02-15 → 2026-05-09 · 3 obs

○ 2017-06-21 02:29:32
● 2026-02-15 13:57:48
● 2026-05-09 20:06:28

●MXroute2.mx.cloudflare.net2026-02-15 → 2026-05-09 · 3 obs

○ 2017-06-21 02:29:32
● 2026-02-15 13:57:48
● 2026-05-09 20:06:28

●MXroute3.mx.cloudflare.net2026-02-15 → 2026-05-09 · 3 obs

○ 2017-06-21 02:29:32
● 2026-02-15 13:57:48
● 2026-05-09 20:06:28

●A104.21.5.1162026-02-15 → 2026-05-09 · 3 obs

○ 2017-06-21 02:29:32
● 2026-02-15 13:57:48
● 2026-05-09 20:06:28

○A104.28.8.862015-08-13 → 2017-06-21 · 4 obs

● 2015-08-13 21:39:06
● 2017-06-21 02:29:32
○ 2026-02-15 13:57:48
○ 2026-05-09 20:06:28

○A104.28.9.862015-08-13 → 2017-06-21 · 4 obs

● 2015-08-13 21:39:06
● 2017-06-21 02:29:32
○ 2026-02-15 13:57:48
○ 2026-05-09 20:06:28

●A172.67.133.952026-02-15 → 2026-05-09 · 3 obs

○ 2017-06-21 02:29:32
● 2026-02-15 13:57:48
● 2026-05-09 20:06:28

○A2400:cb00:2048:1::681c:8562015-08-13 → 2017-06-21 · 4 obs

● 2015-08-13 21:39:06
● 2017-06-21 02:29:32
○ 2026-02-15 13:57:48
○ 2026-05-09 20:06:28

○A2400:cb00:2048:1::681c:9562015-08-13 → 2017-06-21 · 4 obs

● 2015-08-13 21:39:06
● 2017-06-21 02:29:32
○ 2026-02-15 13:57:48
○ 2026-05-09 20:06:28

●A2606:4700:3030::ac43:855f2026-02-15 → 2026-05-09 · 3 obs

○ 2017-06-21 02:29:32
● 2026-02-15 13:57:48
● 2026-05-09 20:06:28

●A2606:4700:3031::6815:5742026-02-15 → 2026-05-09 · 3 obs

○ 2017-06-21 02:29:32
● 2026-02-15 13:57:48
● 2026-05-09 20:06:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net, g.gtld-servers.net...	-
codeselfstudy.com	max.ns.cloudflare.com, beth.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.103

NS records: max.ns.cloudflare.com, beth.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codeselfstudy.com (unsigned zone)

⏱️ Timing

Total: 297ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.133.95, 104.21.5.116`
AAAA	2	`2606:4700:3031::6815:574, 2606:4700:3030::ac43:855f`
NS	2	`beth.ns.cloudflare.com, max.ns.cloudflare.com`
MX	3	`route2.mx.cloudflare.net (pri: 4), route1.mx.cloudflare.net (pri: 42)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`beth.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

codeselfstudy.com resolves to four IPs: 2606:4700:3030::ac43:855f, 2606:4700:3031::6815:574, 104.21.5.116 and 172.67.133.95.

Other host names such as 882119988.com, mail.billyjoewalker.com, www.movied.link, mccuskerdesign.com and pafijatipuro.org share IP numbers with codeselfstudy.com.

Name Servers

codeselfstudy.com is delegated to two name servers: beth.ns.cloudflare.com and max.ns.cloudflare.com.

codeselfstudy.com uses the same name server setup as other domains, including sunsetpacific.com, westspace.org.au, pandulaju.com.my, youdontneedwp.com and plasmacor.com.

At least part of the name servers for codeselfstudy.com are shared with other domains, for instance smojtaba.com, idominikos.com, news-engine.com, defensiveorigins.com and akwiki.com.

These name servers are often used together with elisa.ns.cloudflare.com, anastasia.ns.cloudflare.com and walt.ns.cloudflare.com.

Host names with six IP numbers:

beth.ns.cloudflare.com points to: 2606:4700:50::adf5:3a67, 2803:f800:50::6ca2:c067, 2a06:98c1:50::ac40:2067, 108.162.192.103, 172.64.32.103 and 173.245.58.103.

max.ns.cloudflare.com points to: 2606:4700:58::adf5:3b84, 2803:f800:50::6ca2:c184, 2a06:98c1:50::ac40:2184, 108.162.193.132, 172.64.33.132 and 173.245.59.132.

Mail Servers

Three mail servers handle codeselfstudy.com: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

codeselfstudy.com shares at least some mail servers with other domains, for example gardengrowsupply.com, redox-os.org, kutella.com, globaladmin.org and eudap.eu.

Host names with six IP numbers: route1.mx.cloudflare.net points to 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13; route2.mx.cloudflare.net points to 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19; route3.mx.cloudflare.net points to 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25.

codeselfstudy.com - robtex.com