tutorials.guide - dns.ninja

tutorials.guide

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:1afc🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:8bc1🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.26.252Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.139.193🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSduke.ns.cloudflare.com
A2606:4700:58::adf5:3b6e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRduke.ns.cloudflare.com
A2803:f800:50::6ca2:c16e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRduke.ns.cloudflare.com
A2a06:98c1:50::ac40:216e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRduke.ns.cloudflare.com
A108.162.193.110🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRduke.ns.cloudflare.com
A172.64.33.110🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRduke.ns.cloudflare.com
A173.245.59.110🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRduke.ns.cloudflare.com
NSnadia.ns.cloudflare.com
A2606:4700:50::adf5:3acf🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnadia.ns.cloudflare.com
A2803:f800:50::6ca2:c0cf🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnadia.ns.cloudflare.com
A2a06:98c1:50::ac40:20cf🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnadia.ns.cloudflare.com
A108.162.192.207🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnadia.ns.cloudflare.com
A172.64.32.207🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnadia.ns.cloudflare.com
A173.245.58.207🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnadia.ns.cloudflare.com
MXroute3.mx.cloudflare.net
A2606:4700:f5::11🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::12🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::13🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.23Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.24Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.25Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
MXroute1.mx.cloudflare.net(100)
A2606:4700:f5::b🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::c🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::d🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.11Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.12Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.13Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
MXroute2.mx.cloudflare.net(100)
A2606:4700:f5::e🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::f🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::10🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.17Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.18Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.19Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
TXTgoogle-site-verification=7MyhvDmKKGeZJKIxfg_PJe4rXOjKiYlexk4ai6xjDmQ
TXTv=spf1 include:_spf.mx.cloudflare.net ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.26.252, 172.67.139.193
IPv6 hints2606:4700:3031::6815:1afc, 2606:4700:3035::ac43:8bc1
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=195, name=cloudflare-ech.com
SOAduke.ns.cloudflare.comdns@cloudflare.com serial=2405951529

guide

DNSSEC🔒 Signed (DS record present)
NSv0n0.nic.guide
NSv0n1.nic.guide
NSv0n2.nic.guide
NSv0n3.nic.guide
NSv2n0.nic.guide
NSv2n1.nic.guide
SOAv0n0.nic.guidehostmaster@donuts.email serial=1781465492

Same first word

Similar names

DNS History

13 records (9 active, 4 former)

2017201820192020202120222023202420252026NSduke.ns.cloudflare.comnadia.ns.cloudflare.comns1.sedoparking.comns2.sedoparking.comMXroute1.mx.cloudflare.netroute2.mx.cloudflare.netroute3.mx.cloudflare.netlocalhostA104.21.26.252172.67.139.1932606:4700:3031::6815:1afc2606:4700:3035::ac43:8bc172.52.4.119
NSduke.ns.cloudflare.com2026-02-16 → 2026-06-14 · 3 obs
○ 2017-05-17 05:50:28
● 2026-02-16 11:34:38
● 2026-06-14 19:44:46
NSnadia.ns.cloudflare.com2026-02-16 → 2026-06-14 · 3 obs
○ 2017-05-17 05:50:28
● 2026-02-16 11:34:38
● 2026-06-14 19:44:46
NSns1.sedoparking.com2016-12-10 → 2017-05-17 · 4 obs
● 2016-12-10 19:21:40
● 2017-05-17 05:50:28
○ 2026-02-16 11:34:38
○ 2026-06-14 19:44:46
NSns2.sedoparking.com2016-12-10 → 2017-05-17 · 4 obs
● 2016-12-10 19:21:40
● 2017-05-17 05:50:28
○ 2026-02-16 11:34:38
○ 2026-06-14 19:44:46
MXlocalhost2016-12-10 → 2017-05-17 · 4 obs
● 2016-12-10 19:21:40
● 2017-05-17 05:50:28
○ 2026-02-16 11:34:38
○ 2026-06-14 19:44:46
MXroute1.mx.cloudflare.net2026-02-16 → 2026-06-14 · 3 obs
○ 2017-05-17 05:50:28
● 2026-02-16 11:34:38
● 2026-06-14 19:44:46
MXroute2.mx.cloudflare.net2026-02-16 → 2026-06-14 · 3 obs
○ 2017-05-17 05:50:28
● 2026-02-16 11:34:38
● 2026-06-14 19:44:46
MXroute3.mx.cloudflare.net2026-02-16 → 2026-06-14 · 3 obs
○ 2017-05-17 05:50:28
● 2026-02-16 11:34:38
● 2026-06-14 19:44:46
A104.21.26.2522026-02-16 → 2026-06-14 · 3 obs
○ 2017-05-17 05:50:28
● 2026-02-16 11:34:38
● 2026-06-14 19:44:46
A172.67.139.1932026-02-16 → 2026-06-14 · 3 obs
○ 2017-05-17 05:50:28
● 2026-02-16 11:34:38
● 2026-06-14 19:44:46
A2606:4700:3031::6815:1afc2026-02-16 → 2026-06-14 · 3 obs
○ 2017-05-17 05:50:28
● 2026-02-16 11:34:38
● 2026-06-14 19:44:46
A2606:4700:3035::ac43:8bc12026-02-16 → 2026-06-14 · 3 obs
○ 2017-05-17 05:50:28
● 2026-02-16 11:34:38
● 2026-06-14 19:44:46
A72.52.4.1192016-12-10 → 2017-05-17 · 4 obs
● 2016-12-10 19:21:40
● 2017-05-17 05:50:28
○ 2026-02-16 11:34:38
○ 2026-06-14 19:44:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
guidev2n1.nic.guide, v0n0.nic.guide, v0n1.nic.guide, v0n2.nic.guide...12 records
tutorials.guideduke.ns.cloudflare.com, nadia.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.207

NS records: duke.ns.cloudflare.com, nadia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tutorials.guide (unsigned zone)

⏱️ Timing

Total: 414ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.26.252, 172.67.139.193
AAAA22606:4700:3035::ac43:8bc1, 2606:4700:3031::6815:1afc
NS2duke.ns.cloudflare.com, nadia.ns.cloudflare.com
MX3route1.mx.cloudflare.net (pri: 100), route2.mx.cloudflare.net (pri: 100)...
TXT2google-site-verification=7MyhvDmKKGeZJKI, v=spf1 include:_spf.mx.cloudflare.net ~a
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1duke.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.guide, v0n1.nic.guide, v0n2.nic.guide...)

Analysis

IP Addresses

tutorials.guide has four IP addresses: 104.21.26.252, 172.67.139.193, 2606:4700:3031::6815:1afc and 2606:4700:3035::ac43:8bc1.

Additional host names — adshubprime.top, tws1.tibaco.net, wljydg.75avventura.com and two others — share IP numbers with tutorials.guide.

Name Servers

The NS records for tutorials.guide delegate to duke.ns.cloudflare.com and nadia.ns.cloudflare.com.

tutorials.guide shares its name server setup with other domains, including robot-club.com, ios.com.ro, fwdlive.com and two others.

tutorials.guide partially shares its NS delegation with several other domains, including chvv.com, 092258.com, somanmedia.com and two others.

These name servers are regularly seen alongside dakota.ns.cloudflare.com and lakas.ns.cloudflare.com as name servers.

Host names with 6 IP numbers:

duke.ns.cloudflare.com maps to 108.162.193.110, 172.64.33.110, 173.245.59.110 and 3 additional IP addresses.

nadia.ns.cloudflare.com maps to 108.162.192.207, 172.64.32.207, 173.245.58.207 and 3 additional IP addresses.

Mail Servers

tutorials.guide uses three mail servers — route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

tutorials.guide shares mail servers — at least in part — with other domains, including canadianamericanbeerfestival.com, kimsifter.com, brettpostin.com and two others.

Host names with 6 IP numbers:

route1.mx.cloudflare.net maps to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 additional IP addresses.

route2.mx.cloudflare.net maps to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 additional IP addresses.

route3.mx.cloudflare.net maps to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 additional IP addresses.