codehs.org - dns.ninja

`codehs.org`

DNSSEC	⚠️ Not signed
A	104.247.81.99^{🇨🇦 TEAMINTERNET-CA-AS104.247.80.0/22 Proxy Registration for Team Internet by Next Dimension}
NS	`ns1.parkingcrew.net` ⭐
		A	13.248.158.159^{🇺🇸 Amazon13.248.144.0/20}
			PTR	`a94f3aae71d6f0705.awsglobalaccelerator.com`
NS	`ns2.parkingcrew.net`
		A	76.223.21.9^{🇺🇸 Amazon76.223.16.0/20}
			PTR	`a94f3aae71d6f0705.awsglobalaccelerator.com`
MX	`mail.h-email.net` ⭐
		A	5.75.171.74^{🇩🇪 Hetzner5.75.128.0/17 HETZNER-DC}
			PTR	`mail.h-email.net`
		A	5.161.98.212^{🇺🇸 HETZNER-CLOUD2-AS5.161.98.0/24}
			PTR	`mail.h-email.net`
		A	5.161.194.135^{🇺🇸 HETZNER-CLOUD2-AS5.161.194.0/24}
			PTR	`static.135.194.161.5.clients.your-server.de`
		A	49.13.4.90^{🇩🇪 Hetzner49.13.0.0/16 HETZNER-DC}
			PTR	`static.90.4.13.49.clients.your-server.de`
		A	91.107.214.206^{🇩🇪 Hetzner91.107.128.0/17 HETZNER-DC}
			PTR	`static.206.214.107.91.clients.your-server.de`
		A	162.55.164.116^{🇩🇪 Hetzner162.55.0.0/16 HETZNER-DC}
			PTR	`static.116.164.55.162.clients.your-server.de`
		A	165.227.156.49^{🇩🇪 DIGITALOCEAN165.227.144.0/20 DigitalOcean}
			PTR	`mail3.h-email.net`
		A	165.227.159.144^{🇩🇪 DIGITALOCEAN165.227.144.0/20 DigitalOcean}
			PTR	`mail2.h-email.net`
		A	167.235.143.33^{🇩🇪 Hetzner167.235.0.0/16 HETZNER-DC}
			PTR	`mail.h-email.net`
		A	178.62.199.248^{🇳🇱 DIGITALOCEAN178.62.192.0/18 DigitalOcean}
			PTR	`mail.h-email.net`
TXT	`v=spf1 ip6:fd1b:212c:a5f9::/48 -all`
SOA	`ns1.parkingcrew.net`hostmaster@codehs.org serial=1771952523

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1780597415

Same first word

codehs.github.io

codehs.io

codehs.org

codehs.me

codehs.com

codehs.xyz

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dechos.nl

DNS History

15 records (4 active, 11 former)

○NSns1.bodis.com2018-06-11 → 2018-06-11 · 4 obs

○ 2017-02-06 10:53:50
● 2018-06-11 06:00:52
○ 2026-04-10 22:44:52
○ 2026-06-04 18:47:44

●NSns1.parkingcrew.net2017-02-06 → 2026-06-04 · 5 obs

○ 2016-02-11 05:56:36
● 2017-02-06 10:53:50
○ 2018-06-11 06:00:52
● 2026-04-10 22:44:52
● 2026-06-04 18:47:44

○NSns1.sedoparking.com2015-07-07 → 2016-02-11 · 4 obs

● 2015-07-07 03:53:38
● 2016-02-11 05:56:36
○ 2017-02-06 10:53:50
○ 2026-06-04 18:47:44

○NSns2.bodis.com2018-06-11 → 2018-06-11 · 4 obs

○ 2017-02-06 10:53:50
● 2018-06-11 06:00:52
○ 2026-04-10 22:44:52
○ 2026-06-04 18:47:44

●NSns2.parkingcrew.net2017-02-06 → 2026-06-04 · 5 obs

○ 2016-02-11 05:56:36
● 2017-02-06 10:53:50
○ 2018-06-11 06:00:52
● 2026-04-10 22:44:52
● 2026-06-04 18:47:44

○NSns2.sedoparking.com2015-07-07 → 2016-02-11 · 4 obs

● 2015-07-07 03:53:38
● 2016-02-11 05:56:36
○ 2017-02-06 10:53:50
○ 2026-06-04 18:47:44

●MXmail.h-email.net2017-02-06 → 2026-06-04 · 5 obs

○ 2016-02-11 05:56:36
● 2017-02-06 10:53:50
○ 2018-06-11 06:00:52
● 2026-04-10 22:44:52
● 2026-06-04 18:47:44

○MXmail.nickstel.com2015-07-07 → 2016-02-11 · 4 obs

● 2015-07-07 03:53:38
● 2016-02-11 05:56:36
○ 2017-02-06 10:53:50
○ 2026-06-04 18:47:44

○MXmx76.m2bp.com2018-06-11 → 2018-06-11 · 4 obs

○ 2017-02-06 10:53:50
● 2018-06-11 06:00:52
○ 2026-04-10 22:44:52
○ 2026-06-04 18:47:44

○MXmx76.mb1p.com2018-06-11 → 2018-06-11 · 4 obs

○ 2017-02-06 10:53:50
● 2018-06-11 06:00:52
○ 2026-04-10 22:44:52
○ 2026-06-04 18:47:44

●A104.247.81.992026-04-10 → 2026-06-04 · 3 obs

○ 2018-06-11 06:00:52
● 2026-04-10 22:44:52
● 2026-06-04 18:47:44

○A185.53.179.62017-02-06 → 2017-02-06 · 4 obs

○ 2016-02-11 05:56:36
● 2017-02-06 10:53:50
○ 2018-06-11 06:00:52
○ 2026-06-04 18:47:44

○A199.59.242.1502018-06-11 → 2018-06-11 · 4 obs

○ 2017-02-06 10:53:50
● 2018-06-11 06:00:52
○ 2026-04-10 22:44:52
○ 2026-06-04 18:47:44

○A199.59.243.2282026-04-10 → 2026-06-04 · 2 obs

○ 2026-04-10 22:44:52
○ 2026-06-04 18:47:44

○A72.52.4.912015-07-07 → 2016-02-11 · 4 obs

● 2015-07-07 03:53:38
● 2016-02-11 05:56:36
○ 2017-02-06 10:53:50
○ 2026-06-04 18:47:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
codehs.org	ns2.parkingcrew.net, ns1.parkingcrew.net	-

✅ Authoritative Response

Server:76.223.21.9

NS records: ns2.parkingcrew.net, ns1.parkingcrew.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codehs.org (unsigned zone)

⏱️ Timing

Total: 2529ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`104.247.81.99`
NS	2	`ns1.parkingcrew.net, ns2.parkingcrew.net`
MX	1	`mail.h-email.net (pri: 5)`
TXT	1	`v=spf1 ip6:fd1b:212c:a5f9::/48 -all`
SOA	1	`ns1.parkingcrew.net hostmaster.codehs.or`

Analysis

IP Addresses

codehs.org resolves to one IP address: 104.247.81.99.

d28f3629.kcv-net.ne.jp, letshirtfoot.fr, fotzen.net and two other host names share IP numbers with codehs.org.

Name Servers

codehs.org is delegated to two name servers: ns1.parkingcrew.net and ns2.parkingcrew.net.

codehs.org uses the same name servers as several other domains — among them trendigi.com, perguntedireito.com.br, mega-shop.de and two more.

There is at least partial name server overlap between codehs.org and other domains — 138.255.static-bangalore.tcl.net.in, 156.9.static-pune.tcl.net.in, maps.www.sitarweb.co.uk.au and two more among them.

ns1.parkingcrew.net → 13.248.158.159 and ns2.parkingcrew.net → 76.223.21.9: one IP number per host name.

Mail Servers

Mail for codehs.org is handled by a single mail server, mail.h-email.net.

codehs.org uses an identical mail server configuration to several other domains — among them unefone.com, www.naturalo.pl, mail.karenfosterdesign.com and two more.

mail.h-email.net resolves to 10 IP addresses — 5.75.171.74, 5.161.98.212, 5.161.194.135 and seven others.