codinginterview.org - dns.ninja
codinginterview.org
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.digitalocean.com ⚠️ Not in zone NS records | ||||||
| A | 2606:4700:52::ac40:34d2🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.digitalocean.com | ||||||
| A | 172.64.52.210🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.digitalocean.com | ||||||
| NS | ns2.digitalocean.com ⚠️ Not in zone NS records | ||||||
| A | 2606:4700:5a::ac40:3515🇺🇸 Cloudflare2606:4700:5a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.digitalocean.com | ||||||
| A | 172.64.53.21🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.digitalocean.com | ||||||
| NS | ns3.digitalocean.com ⚠️ Not in zone NS records | ||||||
| A | 2606:4700:52::ac40:31d1🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns3.digitalocean.com | ||||||
| A | 172.64.49.209🇺🇸 Cloudflare172.64.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns3.digitalocean.com | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1783755002 | ||||||
Same first word
codinginterview.net |
codinginterview.com |
codinginterview.org |
codinginterview.blog |
Similar names
DNS History
15 records (3 active, 12 former)
○NSgabe.ns.cloudflare.com2015-08-17 → 2017-04-06 · 4 obs
● 2015-08-17 06:57:24
● 2017-04-06 15:03:04
○ 2020-03-04 17:42:38
○ 2026-07-11 07:53:16
● 2017-04-06 15:03:04
○ 2020-03-04 17:42:38
○ 2026-07-11 07:53:16
○NSjay.ns.cloudflare.com2020-03-04 → 2020-03-04 · 4 obs
○ 2017-04-06 15:03:04
● 2020-03-04 17:42:38
○ 2026-04-07 17:52:42
○ 2026-07-11 07:53:16
● 2020-03-04 17:42:38
○ 2026-04-07 17:52:42
○ 2026-07-11 07:53:16
○NSnicole.ns.cloudflare.com2015-08-17 → 2017-04-06 · 4 obs
● 2015-08-17 06:57:24
● 2017-04-06 15:03:04
○ 2020-03-04 17:42:38
○ 2026-07-11 07:53:16
● 2017-04-06 15:03:04
○ 2020-03-04 17:42:38
○ 2026-07-11 07:53:16
●NSns1.digitalocean.com2020-03-04 → 2026-07-11 · 3 obs
○ 2017-04-06 15:03:04
● 2020-03-04 17:42:38
● 2026-07-11 07:53:16
● 2020-03-04 17:42:38
● 2026-07-11 07:53:16
●NSns2.digitalocean.com2026-04-07 → 2026-07-11 · 3 obs
○ 2020-03-04 17:42:38
● 2026-04-07 17:52:42
● 2026-07-11 07:53:16
● 2026-04-07 17:52:42
● 2026-07-11 07:53:16
●NSns3.digitalocean.com2026-04-07 → 2026-07-11 · 3 obs
○ 2020-03-04 17:42:38
● 2026-04-07 17:52:42
● 2026-07-11 07:53:16
● 2026-04-07 17:52:42
● 2026-07-11 07:53:16
○NSzara.ns.cloudflare.com2020-03-04 → 2020-03-04 · 4 obs
○ 2017-04-06 15:03:04
● 2020-03-04 17:42:38
○ 2026-04-07 17:52:42
○ 2026-07-11 07:53:16
● 2020-03-04 17:42:38
○ 2026-04-07 17:52:42
○ 2026-07-11 07:53:16
○MXmx.yandex.net2020-03-04 → 2020-03-04 · 4 obs
○ 2017-04-06 15:03:04
● 2020-03-04 17:42:38
○ 2026-04-07 17:52:42
○ 2026-07-11 07:53:16
● 2020-03-04 17:42:38
○ 2026-04-07 17:52:42
○ 2026-07-11 07:53:16
○MXmx.zohomail.com2015-08-17 → 2017-04-06 · 4 obs
● 2015-08-17 06:57:24
● 2017-04-06 15:03:04
○ 2020-03-04 17:42:38
○ 2026-07-11 07:53:16
● 2017-04-06 15:03:04
○ 2020-03-04 17:42:38
○ 2026-07-11 07:53:16
○MXmx2.zohomail.com2015-08-17 → 2017-04-06 · 4 obs
● 2015-08-17 06:57:24
● 2017-04-06 15:03:04
○ 2020-03-04 17:42:38
○ 2026-07-11 07:53:16
● 2017-04-06 15:03:04
○ 2020-03-04 17:42:38
○ 2026-07-11 07:53:16
○A104.28.2.492015-08-17 → 2017-04-06 · 4 obs
● 2015-08-17 06:57:24
● 2017-04-06 15:03:04
○ 2020-03-04 17:42:38
○ 2026-07-11 07:53:16
● 2017-04-06 15:03:04
○ 2020-03-04 17:42:38
○ 2026-07-11 07:53:16
○A104.28.3.492015-08-17 → 2017-04-06 · 4 obs
● 2015-08-17 06:57:24
● 2017-04-06 15:03:04
○ 2020-03-04 17:42:38
○ 2026-07-11 07:53:16
● 2017-04-06 15:03:04
○ 2020-03-04 17:42:38
○ 2026-07-11 07:53:16
○A138.68.31.1302020-03-04 → 2020-03-04 · 4 obs
○ 2017-04-06 15:03:04
● 2020-03-04 17:42:38
○ 2026-04-07 17:52:42
○ 2026-07-11 07:53:16
● 2020-03-04 17:42:38
○ 2026-04-07 17:52:42
○ 2026-07-11 07:53:16
○A2400:cb00:2048:1::681c:2312017-04-06 → 2017-04-06 · 4 obs
○ 2015-08-17 06:57:24
● 2017-04-06 15:03:04
○ 2020-03-04 17:42:38
○ 2026-07-11 07:53:16
● 2017-04-06 15:03:04
○ 2020-03-04 17:42:38
○ 2026-07-11 07:53:16
○A2400:cb00:2048:1::681c:3312017-04-06 → 2017-04-06 · 4 obs
○ 2015-08-17 06:57:24
● 2017-04-06 15:03:04
○ 2020-03-04 17:42:38
○ 2026-07-11 07:53:16
● 2017-04-06 15:03:04
○ 2020-03-04 17:42:38
○ 2026-07-11 07:53:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, d0.org.afilias-nst.org, b2.org.afilias-nst.org | - |
| codinginterview.org | ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com | - |
✅ Authoritative Response
Server:172.64.52.210
NS records: ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for codinginterview.org (unsigned zone)
⏱️ Timing
Total: 171ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
The authoritative name servers for codinginterview.org are ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com — three in total.
The name servers of codinginterview.org overlap at least partially with those of other domains — among them registreeaustralia.com, aureatelabs.com, kms-agent.ai and two more.
ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com all resolve to exactly two IP numbers apiece: ns1.digitalocean.com → 172.64.52.210 and 2606:4700:52::ac40:34d2; ns2.digitalocean.com → 172.64.53.21 and 2606:4700:5a::ac40:3515; ns3.digitalocean.com → 172.64.49.209 and 2606:4700:52::ac40:31d1.