expert-programming-tutor.com - dns.ninja

expert-programming-tutor.com

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:4a8d🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:9efb🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.74.141Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.158.251🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSrudy.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3be5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrudy.ns.cloudflare.com
A2803:f800:50::6ca2:c1e5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRrudy.ns.cloudflare.com
A2a06:98c1:50::ac40:21e5🇺🇸 Cloudflare2a06:98c1:50::/45
PTRrudy.ns.cloudflare.com
A108.162.193.229🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrudy.ns.cloudflare.com
A172.64.33.229🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrudy.ns.cloudflare.com
A173.245.59.229🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrudy.ns.cloudflare.com
NStia.ns.cloudflare.com
A2606:4700:50::adf5:3ae5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtia.ns.cloudflare.com
A2803:f800:50::6ca2:c0e5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRtia.ns.cloudflare.com
A2a06:98c1:50::ac40:20e5🇺🇸 Cloudflare2a06:98c1:50::/45
PTRtia.ns.cloudflare.com
A108.162.192.229🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtia.ns.cloudflare.com
A172.64.32.229🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtia.ns.cloudflare.com
A173.245.58.229🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtia.ns.cloudflare.com
TXTgoogle-site-verification=AV6lJ5o7Dv9plDUXWmoCvYMXVcmwqLX1RLdDKg7x43Y
TXTv=spf1 a mx ip4:119.59.104.14 ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.74.141, 172.67.158.251
IPv6 hints2606:4700:3033::6815:4a8d, 2606:4700:3036::ac43:9efb
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=167, name=cloudflare-ech.com
SOArudy.ns.cloudflare.comdns@cloudflare.com serial=2411132036

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1785742227

Subdomains

elearn.expert-programming-tutor.com

Same first word

expert-programming-tutor.com

DNS History

28 records (6 active, 22 former)

20162017201820192020202120222023202420252026NSrudy.ns.cloudflare.comtia.ns.cloudflare.comns25.hostinglotus.netns26.hostinglotus.netMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comdc-1955fe71-mail.expert-programming-tutor.comdc-5be21d7ca27f.expert-programming-tutor.commail.expert-programming-tutor.comA104.21.74.141172.67.158.2512606:4700:3033::6815:4a8d2606:4700:3036::ac43:9efb104.27.146.248104.27.147.248119.59.104.14122.155.10.172188.114.96.0188.114.97.02400:cb00:2048:1::681b:92f82400:cb00:2048:1::681b:93f82606:4700:3030::6815:4a8d2606:4700:3035::ac43:9efb2a06:98c1:3120::2a06:98c1:3121::
○NSns25.hostinglotus.net2015-06-13 → 2016-05-03 · 4 obs
● 2015-06-13 00:25:36
● 2016-05-03 07:22:10
○ 2017-01-14 07:01:30
○ 2026-08-03 07:35:00
○NSns26.hostinglotus.net2015-06-13 → 2016-05-03 · 4 obs
● 2015-06-13 00:25:36
● 2016-05-03 07:22:10
○ 2017-01-14 07:01:30
○ 2026-08-03 07:35:00
●NSrudy.ns.cloudflare.com2017-01-14 → 2026-08-03 · 3 obs
○ 2016-05-03 07:22:10
● 2017-01-14 07:01:30
● 2026-08-03 07:35:00
●NStia.ns.cloudflare.com2017-01-14 → 2026-08-03 · 3 obs
○ 2016-05-03 07:22:10
● 2017-01-14 07:01:30
● 2026-08-03 07:35:00
○MXalt1.aspmx.l.google.com2018-05-20 → 2026-02-16 · 5 obs
○ 2017-01-14 07:01:30
● 2018-05-20 13:38:38
● 2026-02-16 03:38:50
○ 2026-02-20 02:05:24
○ 2026-08-03 07:35:00
○MXalt2.aspmx.l.google.com2018-05-20 → 2026-02-16 · 5 obs
○ 2017-01-14 07:01:30
● 2018-05-20 13:38:38
● 2026-02-16 03:38:50
○ 2026-02-20 02:05:24
○ 2026-08-03 07:35:00
○MXalt3.aspmx.l.google.com2018-05-20 → 2026-02-16 · 5 obs
○ 2017-01-14 07:01:30
● 2018-05-20 13:38:38
● 2026-02-16 03:38:50
○ 2026-02-20 02:05:24
○ 2026-08-03 07:35:00
○MXalt4.aspmx.l.google.com2018-05-20 → 2026-02-16 · 5 obs
○ 2017-01-14 07:01:30
● 2018-05-20 13:38:38
● 2026-02-16 03:38:50
○ 2026-02-20 02:05:24
○ 2026-08-03 07:35:00
○MXaspmx.l.google.com2018-05-20 → 2026-02-16 · 5 obs
○ 2017-01-14 07:01:30
● 2018-05-20 13:38:38
● 2026-02-16 03:38:50
○ 2026-02-20 02:05:24
○ 2026-08-03 07:35:00
○MXdc-1955fe71-mail.expert-programming-tutor.com2017-01-14 → 2017-01-14 · 4 obs
○ 2016-05-03 07:22:10
● 2017-01-14 07:01:30
○ 2018-05-20 13:38:38
○ 2026-08-03 07:35:00
○MXdc-5be21d7ca27f.expert-programming-tutor.com2018-05-20 → 2026-02-16 · 5 obs
○ 2017-01-14 07:01:30
● 2018-05-20 13:38:38
● 2026-02-16 03:38:50
○ 2026-02-20 02:05:24
○ 2026-08-03 07:35:00
○MXmail.expert-programming-tutor.com2015-06-13 → 2016-05-03 · 4 obs
● 2015-06-13 00:25:36
● 2016-05-03 07:22:10
○ 2017-01-14 07:01:30
○ 2026-08-03 07:35:00
●A104.21.74.1412026-02-16 → 2026-08-03 · 9 obs
○ 2018-05-20 13:38:38
● 2026-02-16 03:38:50
● 2026-03-23 02:47:18
○ 2026-03-27 01:48:04
● 2026-03-27 16:29:50
○ 2026-03-30 16:05:24
● 2026-04-08 01:38:42
○ 2026-07-17 11:50:02
● 2026-08-03 07:35:00
○A104.27.146.2482017-01-14 → 2018-05-20 · 5 obs
○ 2016-05-03 07:22:10
● 2017-01-14 07:01:30
● 2018-05-20 13:38:38
○ 2026-02-16 03:38:50
○ 2026-08-03 07:35:00
○A104.27.147.2482017-01-14 → 2018-05-20 · 5 obs
○ 2016-05-03 07:22:10
● 2017-01-14 07:01:30
● 2018-05-20 13:38:38
○ 2026-02-16 03:38:50
○ 2026-08-03 07:35:00
○A119.59.104.142016-02-22 → 2016-05-03 · 5 obs
○ 2015-11-13 05:36:16
● 2016-02-22 16:06:50
● 2016-05-03 07:22:10
○ 2017-01-14 07:01:30
○ 2026-08-03 07:35:00
○A122.155.10.1722015-06-13 → 2015-11-13 · 4 obs
● 2015-06-13 00:25:36
● 2015-11-13 05:36:16
○ 2016-02-22 16:06:50
○ 2026-08-03 07:35:00
●A172.67.158.2512026-02-16 → 2026-08-03 · 9 obs
○ 2018-05-20 13:38:38
● 2026-02-16 03:38:50
● 2026-03-23 02:47:18
○ 2026-03-27 01:48:04
● 2026-03-27 16:29:50
○ 2026-03-30 16:05:24
● 2026-04-08 01:38:42
○ 2026-07-17 11:50:02
● 2026-08-03 07:35:00
○A188.114.96.02026-03-27 → 2026-07-17 · 7 obs
○ 2026-03-23 02:47:18
● 2026-03-27 01:48:04
○ 2026-03-27 16:29:50
● 2026-03-30 16:05:24
○ 2026-04-08 01:38:42
● 2026-07-17 11:50:02
○ 2026-08-03 07:35:00
○A188.114.97.02026-03-27 → 2026-07-17 · 7 obs
○ 2026-03-23 02:47:18
● 2026-03-27 01:48:04
○ 2026-03-27 16:29:50
● 2026-03-30 16:05:24
○ 2026-04-08 01:38:42
● 2026-07-17 11:50:02
○ 2026-08-03 07:35:00
○A2400:cb00:2048:1::681b:92f82017-01-14 → 2018-05-20 · 5 obs
○ 2016-05-03 07:22:10
● 2017-01-14 07:01:30
● 2018-05-20 13:38:38
○ 2026-02-16 03:38:50
○ 2026-08-03 07:35:00
○A2400:cb00:2048:1::681b:93f82017-01-14 → 2018-05-20 · 5 obs
○ 2016-05-03 07:22:10
● 2017-01-14 07:01:30
● 2018-05-20 13:38:38
○ 2026-02-16 03:38:50
○ 2026-08-03 07:35:00
○A2606:4700:3030::6815:4a8d2026-02-16 → 2026-06-14 · 10 obs
○ 2018-05-20 13:38:38
● 2026-02-16 03:38:50
● 2026-03-23 02:47:18
○ 2026-03-27 01:48:04
● 2026-03-27 16:29:50
○ 2026-03-30 16:05:24
● 2026-04-08 01:38:42
● 2026-06-14 20:48:30
○ 2026-07-04 15:48:46
○ 2026-08-03 07:35:00
●A2606:4700:3033::6815:4a8d2026-07-04 → 2026-08-03 · 4 obs
○ 2026-06-14 20:48:30
● 2026-07-04 15:48:46
○ 2026-07-17 11:50:02
● 2026-08-03 07:35:00
○A2606:4700:3035::ac43:9efb2026-02-16 → 2026-06-14 · 10 obs
○ 2018-05-20 13:38:38
● 2026-02-16 03:38:50
● 2026-03-23 02:47:18
○ 2026-03-27 01:48:04
● 2026-03-27 16:29:50
○ 2026-03-30 16:05:24
● 2026-04-08 01:38:42
● 2026-06-14 20:48:30
○ 2026-07-04 15:48:46
○ 2026-08-03 07:35:00
●A2606:4700:3036::ac43:9efb2026-07-04 → 2026-08-03 · 4 obs
○ 2026-06-14 20:48:30
● 2026-07-04 15:48:46
○ 2026-07-17 11:50:02
● 2026-08-03 07:35:00
○A2a06:98c1:3120::2026-03-27 → 2026-07-17 · 7 obs
○ 2026-03-23 02:47:18
● 2026-03-27 01:48:04
○ 2026-03-27 16:29:50
● 2026-03-30 16:05:24
○ 2026-04-08 01:38:42
● 2026-07-17 11:50:02
○ 2026-08-03 07:35:00
○A2a06:98c1:3121::2026-03-27 → 2026-07-17 · 7 obs
○ 2026-03-23 02:47:18
● 2026-03-27 01:48:04
○ 2026-03-27 16:29:50
● 2026-03-30 16:05:24
○ 2026-04-08 01:38:42
● 2026-07-17 11:50:02
○ 2026-08-03 07:35:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comf.gtld-servers.net, c.gtld-servers.net, l.gtld-servers.net, i.gtld-servers.net...-
expert-programming-tutor.comtia.ns.cloudflare.com, rudy.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.229

NS records: tia.ns.cloudflare.com, rudy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for expert-programming-tutor.com (unsigned zone)

⏱️ Timing

Total: 550ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.158.251, 104.21.74.141
AAAA22606:4700:3033::6815:4a8d, 2606:4700:3036::ac43:9efb
NS2rudy.ns.cloudflare.com, tia.ns.cloudflare.com
TXT2google-site-verification=AV6lJ5o7Dv9plDU, v=spf1 a mx ip4:119.59.104.14 ~all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1rudy.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

expert-programming-tutor.com is the parent zone for elearn.expert-programming-tutor.com.

IP Addresses

expert-programming-tutor.com has four IP addresses: 104.21.74.141, 172.67.158.251, 2606:4700:3033::6815:4a8d and 2606:4700:3036::ac43:9efb.

Additional host names — aypoker90.com, biologix-global.com, jtryy.cn and two others — share IP numbers with expert-programming-tutor.com.

Name Servers

Two name servers handle the delegation for expert-programming-tutor.com: rudy.ns.cloudflare.com and tia.ns.cloudflare.com.

expert-programming-tutor.com shares its name server setup with other domains, including fashion-t.com, mecloset.com, otonastyle.com and two others.

expert-programming-tutor.com partially shares its NS delegation with several other domains, including nexanto.win, wsp.edu.pl, oddsdirect.co.uk and two others.

These name servers are regularly seen alongside nancy.ns.cloudflare.com and elaine.ns.cloudflare.com as name servers.

Host names with 6 IP numbers:

rudy.ns.cloudflare.com resolves to 108.162.193.229, 172.64.33.229 and 173.245.59.229 among others, with 3 other IP addresses in total.

tia.ns.cloudflare.com resolves to 108.162.192.229, 172.64.32.229 and 173.245.58.229 among others, with 3 other IP addresses in total.