`debian-tutorials.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:8e2c^{🇺🇸 Cloudflare} ✓ In HTTPS hints
A	2606:4700:3035::6815:5743^{🇺🇸 Cloudflare} ✓ In HTTPS hints
A	104.21.87.67^Cloudflare ✓ In HTTPS hints
A	172.67.142.44^{🇺🇸 Cloudflare} ✓ In HTTPS hints
NS	`roan.ns.cloudflare.com` ⭐ 🔒
		A	2606:4700:58::adf5:3be2^{🇺🇸 Cloudflare}
			PTR	`roan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1e2^{🇨🇷 Cloudflare}
			PTR	`roan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21e2^{🇺🇸 Cloudflare}
			PTR	`roan.ns.cloudflare.com`
		A	108.162.193.226^{🇺🇸 Cloudflare}
			PTR	`roan.ns.cloudflare.com`
		A	172.64.33.226^{🇺🇸 Cloudflare}
			PTR	`roan.ns.cloudflare.com`
		A	173.245.59.226^{🇺🇸 Cloudflare}
			PTR	`roan.ns.cloudflare.com`
NS	`ruth.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a8f^{🇺🇸 Cloudflare}
			PTR	`ruth.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c08f^{🇨🇷 Cloudflare}
			PTR	`ruth.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:208f^{🇺🇸 Cloudflare}
			PTR	`ruth.ns.cloudflare.com`
		A	108.162.192.143^{🇺🇸 Cloudflare}
			PTR	`ruth.ns.cloudflare.com`
		A	172.64.32.143^{🇺🇸 Cloudflare}
			PTR	`ruth.ns.cloudflare.com`
		A	173.245.58.143^{🇺🇸 Cloudflare}
			PTR	`ruth.ns.cloudflare.com`
MX	`mx01.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple}
			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^{🇺🇸 Apple}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
MX	`mx02.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple}
			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^{🇺🇸 Apple}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
TXT	`apple-domain=qIErrPgwEUphnnK9`
TXT	`v=spf1 redirect=icloud.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.87.67, 172.67.142.44
		IPv6	2606:4700:3030::ac43:8e2c, 2606:4700:3035::6815:5743
SOA	`roan.ns.cloudflare.com`dns@cloudflare.com serial=2396750321

`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=1771291435

WOT: SAFE (68/100)

Same first word

debian-tutorials.de

debian-tutorials.com

DNS History

22 records (8 active, 14 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
○ 2026-02-24 14:06:12

○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
○ 2026-02-24 14:06:12

○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
○ 2026-02-24 14:06:12

○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
○ 2026-02-24 14:06:12

●NSroan.ns.cloudflare.com2016-03-14 → 2026-02-24 · 3 obs

○ 2015-12-05 08:35:58
● 2016-03-14 05:35:20
● 2026-02-24 14:06:12

●NSruth.ns.cloudflare.com2016-03-14 → 2026-02-24 · 3 obs

○ 2015-12-05 08:35:58
● 2016-03-14 05:35:20
● 2026-02-24 14:06:12

○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
○ 2026-02-24 14:06:12

○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
○ 2026-02-24 14:06:12

○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
○ 2026-02-24 14:06:12

○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
○ 2026-02-24 14:06:12

○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
○ 2026-02-24 14:06:12

●MXmx01.mail.icloud.com2026-02-19 → 2026-02-24 · 3 obs

○ 2016-11-13 12:07:56
● 2026-02-19 19:34:16
● 2026-02-24 14:06:12

●MXmx02.mail.icloud.com2026-02-19 → 2026-02-24 · 3 obs

○ 2016-11-13 12:07:56
● 2026-02-19 19:34:16
● 2026-02-24 14:06:12

●A104.21.87.672026-02-19 → 2026-02-24 · 3 obs

○ 2016-11-13 12:07:56
● 2026-02-19 19:34:16
● 2026-02-24 14:06:12

○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
○ 2026-02-24 14:06:12

○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
○ 2026-02-24 14:06:12

●A172.67.142.442026-02-19 → 2026-02-24 · 3 obs

○ 2016-11-13 12:07:56
● 2026-02-19 19:34:16
● 2026-02-24 14:06:12

○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
○ 2026-02-24 14:06:12

○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
○ 2026-02-24 14:06:12

○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
○ 2026-02-24 14:06:12

●A2606:4700:3030::ac43:8e2c2026-02-19 → 2026-02-24 · 3 obs

○ 2016-11-13 12:07:56
● 2026-02-19 19:34:16
● 2026-02-24 14:06:12

●A2606:4700:3035::6815:57432026-02-19 → 2026-02-24 · 3 obs

○ 2016-11-13 12:07:56
● 2026-02-19 19:34:16
● 2026-02-24 14:06:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
debian-tutorials.com	ruth.ns.cloudflare.com, roan.ns.cloudflare.com	-

✅ Authoritative Response

Server: 108.162.192.143

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: 175ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.87.67, 172.67.142.44`
AAAA	2	`2606:4700:3030::ac43:8e2c, 2606:4700:3035::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`

AI analysis

debian-tutorials.com maps to four IP numbers: 2606:4700:3030::ac43:8e2c, 2606:4700:3035::6815:5743, 104.21.87.67 and 172.67.142.44.

Other host names, for instance cursoseasy.com, veitingageirinn.is, contrefaconmontres.com, www.lasa-huadian.com and gowindor.com share IP numbers with debian-tutorials.com.

Two name servers roan.ns.cloudflare.com and ruth.ns.cloudflare.com handle delegation for debian-tutorials.com.

debian-tutorials.com uses the same name server setup as other domains, for example commerceinspector.com, thewildroar.com, simakssolano.kz, cushtiecushions.com and avalash.com.

debian-tutorials.com partially shares name servers with other domains; examples include umora.info, dispay.com, maw10gbit.my.id, serenozguntunc.com and uzivac.si.

These name servers are often used with the name servers asa.ns.cloudflare.com and cheryl.ns.cloudflare.com.

Host names with six IP numbers: roan.ns.cloudflare.com points to: 2606:4700:58::adf5:3be2, 2803:f800:50::6ca2:c1e2, 2a06:98c1:50::ac40:21e2, 108.162.193.226, 172.64.33.226 and 173.245.59.226; ruth.ns.cloudflare.com points to: 2606:4700:50::adf5:3a8f, 2803:f800:50::6ca2:c08f, 2a06:98c1:50::ac40:208f, 108.162.192.143, 172.64.32.143 and 173.245.58.143.

debian-tutorials.com is handled by two mail servers: mx01.mail.icloud.com and mx02.mail.icloud.com.

debian-tutorials.com has the same mail server setup as other domains, including ivk.net, nfwolf.com, seantaylor(0x787878).com, ethanhuang.com and wieseflix.com.

debian-tutorials.com shares some mail servers with other domains, at least partially, such as hollomon.us, valerieschaeffer.com, tea-affair.com, tupper.pro and uiberry.com.