techinterview.org - dns.ninja

techinterview.org

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:d629🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:17ed🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.23.237Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.214.41🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjerome.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3bb5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjerome.ns.cloudflare.com
A2803:f800:50::6ca2:c1b5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjerome.ns.cloudflare.com
A2a06:98c1:50::ac40:21b5🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjerome.ns.cloudflare.com
A108.162.193.181🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjerome.ns.cloudflare.com
A172.64.33.181🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjerome.ns.cloudflare.com
A173.245.59.181🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjerome.ns.cloudflare.com
NSleanna.ns.cloudflare.com
A2606:4700:50::a29f:2697🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleanna.ns.cloudflare.com
A2803:f800:50::6ca2:c297🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRleanna.ns.cloudflare.com
A2a06:98c1:50::ac40:2297🇺🇸 Cloudflare2a06:98c1:50::/45
PTRleanna.ns.cloudflare.com
A108.162.194.151🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleanna.ns.cloudflare.com
A162.159.38.151Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleanna.ns.cloudflare.com
A172.64.34.151🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleanna.ns.cloudflare.com
TXTgoogle-site-verification=OZ3bpG4tJGyM2XOKjWGHOLgq_HvoSZeHTqDfnySstnI
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.23.237, 172.67.214.41
IPv6 hints2606:4700:3034::ac43:d629, 2606:4700:3036::6815:17ed
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=167, name=cloudflare-ech.com
SOAjerome.ns.cloudflare.comdns@cloudflare.com serial=2408672325

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1785739783
WOT: SAFE (73/100)

Same first word

techinterview.guru
techinterview.com
techinterview.org

DNS History

13 records (6 active, 7 former)

20162017201820192020202120222023202420252026NSjerome.ns.cloudflare.comleanna.ns.cloudflare.comdns1.registrar-servers.comdns2.registrar-servers.comdns3.registrar-servers.comdns4.registrar-servers.comdns5.registrar-servers.comA104.21.23.237172.67.214.412606:4700:3034::ac43:d6292606:4700:3036::6815:17ed198.211.115.8467.207.83.166
○NSdns1.registrar-servers.com2015-05-21 → 2017-01-02 · 4 obs
● 2015-05-21 14:30:50
● 2017-01-02 09:29:54
○ 2026-07-15 01:07:28
○ 2026-08-03 07:25:56
○NSdns2.registrar-servers.com2015-05-21 → 2017-01-02 · 4 obs
● 2015-05-21 14:30:50
● 2017-01-02 09:29:54
○ 2026-07-15 01:07:28
○ 2026-08-03 07:25:56
○NSdns3.registrar-servers.com2015-05-21 → 2017-01-02 · 4 obs
● 2015-05-21 14:30:50
● 2017-01-02 09:29:54
○ 2026-02-16 15:27:08
○ 2026-08-03 07:25:56
○NSdns4.registrar-servers.com2015-05-21 → 2017-01-02 · 4 obs
● 2015-05-21 14:30:50
● 2017-01-02 09:29:54
○ 2026-02-16 15:27:08
○ 2026-08-03 07:25:56
○NSdns5.registrar-servers.com2015-05-21 → 2017-01-02 · 4 obs
● 2015-05-21 14:30:50
● 2017-01-02 09:29:54
○ 2026-02-16 15:27:08
○ 2026-08-03 07:25:56
●NSjerome.ns.cloudflare.com2026-07-15 → 2026-08-03 · 3 obs
○ 2026-02-16 15:27:08
● 2026-07-15 01:07:28
● 2026-08-03 07:25:56
●NSleanna.ns.cloudflare.com2026-07-15 → 2026-08-03 · 3 obs
○ 2026-02-16 15:27:08
● 2026-07-15 01:07:28
● 2026-08-03 07:25:56
●A104.21.23.2372026-07-15 → 2026-08-03 · 3 obs
○ 2026-02-16 15:27:08
● 2026-07-15 01:07:28
● 2026-08-03 07:25:56
●A172.67.214.412026-07-15 → 2026-08-03 · 3 obs
○ 2026-02-16 15:27:08
● 2026-07-15 01:07:28
● 2026-08-03 07:25:56
○A198.211.115.842015-05-21 → 2017-01-02 · 4 obs
● 2015-05-21 14:30:50
● 2017-01-02 09:29:54
○ 2026-02-16 15:27:08
○ 2026-08-03 07:25:56
●A2606:4700:3034::ac43:d6292026-07-15 → 2026-08-03 · 3 obs
○ 2026-02-16 15:27:08
● 2026-07-15 01:07:28
● 2026-08-03 07:25:56
●A2606:4700:3036::6815:17ed2026-07-15 → 2026-08-03 · 3 obs
○ 2026-02-16 15:27:08
● 2026-07-15 01:07:28
● 2026-08-03 07:25:56
○A67.207.83.1662026-02-16 → 2026-02-16 · 4 obs
○ 2017-01-02 09:29:54
● 2026-02-16 15:27:08
○ 2026-07-15 01:07:28
○ 2026-08-03 07:25:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgd0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org-
techinterview.orgjerome.ns.cloudflare.com, leanna.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.181

NS records: jerome.ns.cloudflare.com, leanna.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for techinterview.org (unsigned zone)

⏱️ Timing

Total: 295ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.23.237, 172.67.214.41
AAAA22606:4700:3036::6815:17ed, 2606:4700:3034::ac43:d629
NS2jerome.ns.cloudflare.com, leanna.ns.cloudflare.com
TXT1google-site-verification=OZ3bpG4tJGyM2XO
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1jerome.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

techinterview.org has four IP addresses: 104.21.23.237, 172.67.214.41, 2606:4700:3034::ac43:d629 and 2606:4700:3036::6815:17ed.

www.rizkyoktan.my.id, mentemprendedora.com, htlgame.com and two other host names share IP numbers with techinterview.org.

Name Servers

techinterview.org has two authoritative name servers — jerome.ns.cloudflare.com and leanna.ns.cloudflare.com.

techinterview.org uses the same name servers as several other domains — among them member00094.workers.dev, beesonline.co.nz, ajansmw.com and two more.

techinterview.org partially shares its NS delegation with several other domains, including olliekidz.nl, ailadc.org, castleapks.su and two others.

These name servers are regularly seen alongside michelle.ns.cloudflare.com and arely.ns.cloudflare.com as name servers.

Hostnames that resolve to 6 IP addresses:

jerome.ns.cloudflare.com points to 108.162.193.181, 172.64.33.181, 173.245.59.181 and 3 other IP addresses.

leanna.ns.cloudflare.com points to 108.162.194.151, 162.159.38.151, 172.64.34.151 and 3 other IP addresses.