debian-tutorials.com - dns.ninja

`debian-tutorials.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:5743^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3030::ac43:8e2c^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.87.67^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.142.44^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`roan.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3be2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1e2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`roan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21e2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`roan.ns.cloudflare.com`
		A	108.162.193.226^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roan.ns.cloudflare.com`
		A	172.64.33.226^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roan.ns.cloudflare.com`
		A	173.245.59.226^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roan.ns.cloudflare.com`
NS	`ruth.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a8f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruth.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c08f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ruth.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:208f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ruth.ns.cloudflare.com`
		A	108.162.192.143^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruth.ns.cloudflare.com`
		A	172.64.32.143^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruth.ns.cloudflare.com`
		A	173.245.58.143^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruth.ns.cloudflare.com`
MX	`mx01.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
MX	`mx02.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
TXT	`apple-domain=qIErrPgwEUphnnK9`
TXT	`v=spf1 redirect=icloud.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.87.67, 172.67.142.44
		IPv6 hints	2606:4700:3030::6815:5743, 2606:4700:3030::ac43:8e2c
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=18, name=cloudflare-ech.com
SOA	`roan.ns.cloudflare.com`dns@cloudflare.com serial=2407118334

`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=1782892286

WOT: SAFE (68/100)

Same first word

debian-tutorials.de

debian-tutorials.com

DNS History

23 records (8 active, 15 former)

○NSns1fkl.name.com2015-08-17 → 2015-12-05 · 4 obs

● 2015-08-17 04:17:02
● 2015-12-05 08:35:58
○ 2016-03-14 05:35:20
○ 2026-07-01 08:06:58

○NSns2btz.name.com2015-08-17 → 2015-12-05 · 4 obs

● 2015-08-17 04:17:02
● 2015-12-05 08:35:58
○ 2016-03-14 05:35:20
○ 2026-07-01 08:06:58

○NSns3nrz.name.com2015-08-17 → 2015-12-05 · 4 obs

● 2015-08-17 04:17:02
● 2015-12-05 08:35:58
○ 2016-03-14 05:35:20
○ 2026-07-01 08:06:58

○NSns4ghm.name.com2015-08-17 → 2015-12-05 · 4 obs

● 2015-08-17 04:17:02
● 2015-12-05 08:35:58
○ 2016-03-14 05:35:20
○ 2026-07-01 08:06:58

●NSroan.ns.cloudflare.com2016-03-14 → 2026-07-01 · 3 obs

○ 2015-12-05 08:35:58
● 2016-03-14 05:35:20
● 2026-07-01 08:06:58

●NSruth.ns.cloudflare.com2016-03-14 → 2026-07-01 · 3 obs

○ 2015-12-05 08:35:58
● 2016-03-14 05:35:20
● 2026-07-01 08:06:58

○MXalt1.aspmx.l.google.com2015-08-17 → 2016-11-13 · 4 obs

● 2015-08-17 04:17:02
● 2016-11-13 12:07:56
○ 2026-02-19 19:34:16
○ 2026-07-01 08:06:58

○MXalt2.aspmx.l.google.com2015-08-17 → 2016-11-13 · 4 obs

● 2015-08-17 04:17:02
● 2016-11-13 12:07:56
○ 2026-02-19 19:34:16
○ 2026-07-01 08:06:58

○MXaspmx.l.google.com2015-08-17 → 2016-11-13 · 4 obs

● 2015-08-17 04:17:02
● 2016-11-13 12:07:56
○ 2026-02-19 19:34:16
○ 2026-07-01 08:06:58

○MXaspmx2.googlemail.com2015-08-17 → 2016-11-13 · 4 obs

● 2015-08-17 04:17:02
● 2016-11-13 12:07:56
○ 2026-02-19 19:34:16
○ 2026-07-01 08:06:58

○MXaspmx3.googlemail.com2015-08-17 → 2016-11-13 · 4 obs

● 2015-08-17 04:17:02
● 2016-11-13 12:07:56
○ 2026-02-19 19:34:16
○ 2026-07-01 08:06:58

●MXmx01.mail.icloud.com2026-02-19 → 2026-07-01 · 3 obs

○ 2016-11-13 12:07:56
● 2026-02-19 19:34:16
● 2026-07-01 08:06:58

●MXmx02.mail.icloud.com2026-02-19 → 2026-07-01 · 3 obs

○ 2016-11-13 12:07:56
● 2026-02-19 19:34:16
● 2026-07-01 08:06:58

●A104.21.87.672026-02-19 → 2026-07-01 · 3 obs

○ 2016-11-13 12:07:56
● 2026-02-19 19:34:16
● 2026-07-01 08:06:58

○A104.28.0.962016-03-14 → 2016-11-13 · 5 obs

○ 2015-12-05 08:35:58
● 2016-03-14 05:35:20
● 2016-11-13 12:07:56
○ 2026-02-19 19:34:16
○ 2026-07-01 08:06:58

○A104.28.1.962016-03-14 → 2016-11-13 · 5 obs

○ 2015-12-05 08:35:58
● 2016-03-14 05:35:20
● 2016-11-13 12:07:56
○ 2026-02-19 19:34:16
○ 2026-07-01 08:06:58

●A172.67.142.442026-02-19 → 2026-07-01 · 3 obs

○ 2016-11-13 12:07:56
● 2026-02-19 19:34:16
● 2026-07-01 08:06:58

○A176.223.125.1902015-08-17 → 2015-12-05 · 4 obs

● 2015-08-17 04:17:02
● 2015-12-05 08:35:58
○ 2016-03-14 05:35:20
○ 2026-07-01 08:06:58

○A2400:cb00:2048:1::681c:1602016-03-14 → 2016-11-13 · 5 obs

○ 2015-12-05 08:35:58
● 2016-03-14 05:35:20
● 2016-11-13 12:07:56
○ 2026-02-19 19:34:16
○ 2026-07-01 08:06:58

○A2400:cb00:2048:1::681c:602016-03-14 → 2016-11-13 · 5 obs

○ 2015-12-05 08:35:58
● 2016-03-14 05:35:20
● 2016-11-13 12:07:56
○ 2026-02-19 19:34:16
○ 2026-07-01 08:06:58

●A2606:4700:3030::6815:57432026-07-01 → 2026-07-01 · 3 obs

○ 2026-05-24 22:53:24
● 2026-07-01 08:06:56
● 2026-07-01 08:06:58

●A2606:4700:3030::ac43:8e2c2026-02-19 → 2026-07-01 · 3 obs

○ 2016-11-13 12:07:56
● 2026-02-19 19:34:16
● 2026-07-01 08:06:58

○A2606:4700:3035::6815:57432026-02-19 → 2026-05-24 · 5 obs

○ 2016-11-13 12:07:56
● 2026-02-19 19:34:16
● 2026-05-24 22:53:24
○ 2026-07-01 08:06:56
○ 2026-07-01 08:06:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, k.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net...	-
debian-tutorials.com	ruth.ns.cloudflare.com, roan.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.226

NS records: ruth.ns.cloudflare.com, roan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for debian-tutorials.com (unsigned zone)

⏱️ Timing

Total: 159ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.142.44, 104.21.87.67`
AAAA	2	`2606:4700:3030::ac43:8e2c, 2606:4700:3030::6815:5743`
NS	2	`roan.ns.cloudflare.com, ruth.ns.cloudflare.com`
MX	2	`mx01.mail.icloud.com (pri: 10), mx02.mail.icloud.com (pri: 10)`
TXT	2	`apple-domain=qIErrPgwEUphnnK9, v=spf1 redirect=icloud.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`roan.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

debian-tutorials.com has four IP addresses: 104.21.87.67, 172.67.142.44, 2606:4700:3030::6815:5743 and 2606:4700:3030::ac43:8e2c.

Two other host names, along with lasa-huadian.com, cursoseasy.com and interwestservicesco.com, also share IP numbers with debian-tutorials.com.

Name Servers

debian-tutorials.com is served by two delegated name servers, roan.ns.cloudflare.com and ruth.ns.cloudflare.com.

debian-tutorials.com shares its NS records with other domains, for example commerceinspector.com, shinecommerce.com, thewildroar.com and two others.

debian-tutorials.com partially shares its NS delegation with several other domains, including umora.info, minegrey.com, dispay.com and two others.

DNS names with 6 IP addresses:

roan.ns.cloudflare.com carries IP addresses 108.162.193.226, 172.64.33.226 and 173.245.59.226, with 3 other addresses beyond those.

ruth.ns.cloudflare.com carries IP addresses 108.162.192.143, 172.64.32.143 and 173.245.58.143, with 3 other addresses beyond those.

Mail Servers

debian-tutorials.com is served by two mail servers, mx01.mail.icloud.com and mx02.mail.icloud.com.

Among the domains sharing a mail server setup with debian-tutorials.com are ivk.net, explo.cc, handz.fr and two others.

There is at least a partial MX overlap between debian-tutorials.com and other domains, including hollomon.us, valerieschaeffer.com, tea-affair.com and two others.

DNS names with 6 IP addresses:

mx01.mail.icloud.com carries IP addresses 17.42.251.62, 17.56.9.31 and 17.57.152.5, with 3 other addresses beyond those.

mx02.mail.icloud.com carries IP addresses 17.42.251.62, 17.56.9.31 and 17.57.152.5, with 3 other addresses beyond those.

These two host names — mx01.mail.icloud.com and mx02.mail.icloud.com — each point to 17.42.251.62 IP addresses.

These two host names — mx01.mail.icloud.com and mx02.mail.icloud.com — each point to 17.56.9.31 IP addresses.

These two host names — mx01.mail.icloud.com and mx02.mail.icloud.com — each point to 17.57.152.5 IP addresses.

These two host names — mx01.mail.icloud.com and mx02.mail.icloud.com — each point to 17.57.154.33 IP addresses.

These two host names — mx01.mail.icloud.com and mx02.mail.icloud.com — each point to 17.57.155.25 IP addresses.

These two host names — mx01.mail.icloud.com and mx02.mail.icloud.com — each point to 17.57.156.30 IP addresses.