`explain-it.ch`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:459d^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3030::ac43:d1a6^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.69.157^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.209.166^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`clyde.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b5b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clyde.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c15b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`clyde.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:215b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`clyde.ns.cloudflare.com`
		A	108.162.193.91^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clyde.ns.cloudflare.com`
		A	172.64.33.91^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clyde.ns.cloudflare.com`
		A	173.245.59.91^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clyde.ns.cloudflare.com`
NS	`rachel.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ad7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rachel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0d7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rachel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20d7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rachel.ns.cloudflare.com`
		A	108.162.192.215^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rachel.ns.cloudflare.com`
		A	172.64.32.215^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rachel.ns.cloudflare.com`
		A	173.245.58.215^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rachel.ns.cloudflare.com`
MX	`explainit-ch01i.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::4^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::8^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db5pr02cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am3pr04cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::d^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr05cu01305.inbound.protection.outlook.com`
		A	52.101.68.21^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00205.inbound.protection.outlook.com`
		A	52.101.68.39^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00607.inbound.protection.outlook.com`
		A	52.101.73.15^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am9pr04cu00107.inbound.protection.outlook.com`
		A	52.101.73.153^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr05cu00401.inbound.protection.outlook.com`
TXT	`MS=ms13955316`
TXT	`v=spf1 include:spf.protection.outlook.com include:spf.emailsignatures365.com ...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.69.157, 172.67.209.166
		IPv6	2606:4700:3030::6815:459d, 2606:4700:3030::ac43:d1a6
SOA	`clyde.ns.cloudflare.com`dns@cloudflare.com serial=2399150171

`ch`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nic.ch` ⭐
	NS	`b.nic.ch`
	NS	`d.nic.ch`
	NS	`e.nic.ch`
	NS	`f.nic.ch`
	SOA	`a.nic.ch`dns-operation@switch.ch 2026-03-27 #36

Subdomains

www.explain-it.ch

Same first word

explain-it.at

explain-it.tv

explain-it.ch

explain-it.net

explain-it.com

explain-it.org

Similar names

it-explain.com

DNS History

15 records (7 active, 8 former)

●NSclyde.ns.cloudflare.com2026-03-26 → 2026-03-27 · 3 obs

○ 2018-05-31 12:22:54
● 2026-03-26 08:24:46
● 2026-03-27 17:39:16

○NSns.udag.de2015-10-23 → 2018-05-31 · 5 obs

○ 2015-06-09 11:00:32
● 2015-10-23 19:28:50
● 2018-05-31 12:22:54
○ 2026-03-26 08:24:46
○ 2026-03-27 17:39:16

○NSns.udag.net2015-10-23 → 2018-05-31 · 5 obs

○ 2015-06-09 11:00:32
● 2015-10-23 19:28:50
● 2018-05-31 12:22:54
○ 2026-03-26 08:24:46
○ 2026-03-27 17:39:16

○NSns.udag.org2015-10-23 → 2018-05-31 · 5 obs

○ 2015-06-09 11:00:32
● 2015-10-23 19:28:50
● 2018-05-31 12:22:54
○ 2026-03-26 08:24:46
○ 2026-03-27 17:39:16

○NSns.udagdns.de2015-06-09 → 2015-06-09 · 3 obs

● 2015-06-09 11:00:32
○ 2015-10-23 19:28:50
○ 2026-03-27 17:39:16

○NSns.udagdns.net2015-06-09 → 2015-06-09 · 3 obs

● 2015-06-09 11:00:32
○ 2015-10-23 19:28:50
○ 2026-03-27 17:39:16

●NSrachel.ns.cloudflare.com2026-03-26 → 2026-03-27 · 3 obs

○ 2018-05-31 12:22:54
● 2026-03-26 08:24:46
● 2026-03-27 17:39:16

○MXdedi4121.your-server.de2015-06-09 → 2018-05-31 · 4 obs

● 2015-06-09 11:00:32
● 2018-05-31 12:22:54
○ 2026-03-26 08:24:46
○ 2026-03-27 17:39:16

●MXexplainit-ch01i.mail.protection.outlook.com2026-03-26 → 2026-03-27 · 3 obs

○ 2018-05-31 12:22:54
● 2026-03-26 08:24:46
● 2026-03-27 17:39:16

●A104.21.69.1572026-03-26 → 2026-03-27 · 3 obs

○ 2018-05-31 12:22:54
● 2026-03-26 08:24:46
● 2026-03-27 17:39:16

●A172.67.209.1662026-03-26 → 2026-03-27 · 3 obs

○ 2018-05-31 12:22:54
● 2026-03-26 08:24:46
● 2026-03-27 17:39:16

●A2606:4700:3030::6815:459d2026-03-26 → 2026-03-27 · 3 obs

○ 2018-05-31 12:22:54
● 2026-03-26 08:24:46
● 2026-03-27 17:39:16

●A2606:4700:3030::ac43:d1a62026-03-26 → 2026-03-27 · 3 obs

○ 2018-05-31 12:22:54
● 2026-03-26 08:24:46
● 2026-03-27 17:39:16

○A78.46.124.32015-10-23 → 2018-05-31 · 5 obs

○ 2015-06-09 11:00:32
● 2015-10-23 19:28:50
● 2018-05-31 12:22:54
○ 2026-03-26 08:24:46
○ 2026-03-27 17:39:16

○A91.121.159.302015-06-09 → 2015-06-09 · 3 obs

● 2015-06-09 11:00:32
○ 2015-10-23 19:28:50
○ 2026-03-27 17:39:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch...	-
explain-it.ch	rachel.ns.cloudflare.com, clyde.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.215

NS records: rachel.ns.cloudflare.com, clyde.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for explain-it.ch (unsigned zone)

⏱️ Timing

Total: 702ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.69.157, 172.67.209.166`
AAAA	2	`2606:4700:3030::ac43:d1a6, 2606:4700:3030::6815:459d`
NS	2	`clyde.ns.cloudflare.com, rachel.ns.cloudflare.com`
MX	2	`explainit-ch01i.mail.protection.outlook., explainit-ch01i.mail.protection.outlook.`
TXT	2	`MS=ms13955316, v=spf1 include:spf.protection.outlook.co`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`clyde.ns.cloudflare.com dns.cloudflare.c`

Analysis

Hierarchy

explain-it.ch is the parent of www.explain-it.ch.

IP Addresses

Four IP numbers are pointed to by explain-it.ch: 2606:4700:3030::6815:459d, 2606:4700:3030::ac43:d1a6, 104.21.69.157 and 172.67.209.166.

other host names including mail.registeredsite.org, chuckcitydesigns.com, www.aterradecoracoes.com.br, muzafferkral.com and developmag.com share IP numbers with explain-it.ch.

Name Servers

explain-it.ch is delegated to two name servers clyde.ns.cloudflare.com and rachel.ns.cloudflare.com.

explain-it.ch shares the same name server setup as other domains, for instance tenz.org.nz, iconcept.mobi, tongariroriver.co.nz, you-know.de and smartweb.my.

explain-it.ch at least partially shares name servers with other domains, for instance ndrn.org, romeo99.com, bilyayin.com, kuruvinda.com and lawit.dk.

These name servers are commonly used with aaden.ns.cloudflare.com, lila.ns.cloudflare.com and mona.ns.cloudflare.com.

Host names with six IP numbers:

Host name clyde.ns.cloudflare.com points to: 2606:4700:58::adf5:3b5b, 2803:f800:50::6ca2:c15b, 2a06:98c1:50::ac40:215b, 108.162.193.91, 172.64.33.91 and 173.245.59.91.

Host name rachel.ns.cloudflare.com points to: 2606:4700:50::adf5:3ad7, 2803:f800:50::6ca2:c0d7, 2a06:98c1:50::ac40:20d7, 108.162.192.215, 172.64.32.215 and 173.245.58.215.

Mail Servers

explain-it.ch is handled by a single mail server, explainit-ch01i.mail.protection.outlook.com.

Host explainit-ch01i.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::4, 2a01:111:f403:ca04::8, 2a01:111:f403:ca09::, 2a01:111:f403:ca09::d, 52.101.68.21, 52.101.68.39, 52.101.73.15 and 52.101.73.153.

explain-it.ch - robtex.com

explain-it.ch

ch

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`explain-it.ch`

`ch`