codeinterview.io - dns.ninja

codeinterview.io

DNSSEC⚠️ Not signed
A2606:4700:3108::ac42:2881🇺🇸 Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3108::ac42:2b7f🇺🇸 Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.66.40.129🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.66.43.127🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSemma.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a70🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRemma.ns.cloudflare.com
A2803:f800:50::6ca2:c070🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRemma.ns.cloudflare.com
A2a06:98c1:50::ac40:2070🇺🇸 Cloudflare2a06:98c1:50::/45
PTRemma.ns.cloudflare.com
A108.162.192.112🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRemma.ns.cloudflare.com
A172.64.32.112🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRemma.ns.cloudflare.com
A173.245.58.112🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRemma.ns.cloudflare.com
NSsid.ns.cloudflare.com
A2606:4700:58::adf5:3b8f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsid.ns.cloudflare.com
A2803:f800:50::6ca2:c18f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsid.ns.cloudflare.com
A2a06:98c1:50::ac40:218f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsid.ns.cloudflare.com
A108.162.193.143🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsid.ns.cloudflare.com
A172.64.33.143🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsid.ns.cloudflare.com
A173.245.59.143🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsid.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2a00:1450:4009:c0f::1a🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A172.217.76.27🇺🇸 Google172.217.76.0/24
PTRyulhrp-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1b🇨🇱 Google2800:3f0:4003::/48
A108.177.123.27🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f27.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1b🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f27.1e100.net
A192.178.223.26🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c23::1b🇧🇪 Google2a00:1450:400c::/48
PTRyubrupd-in-f27.1e100.net
A172.253.157.27🇺🇸 Google172.253.0.0/16
PTRyubrupd-in-f27.1e100.net
TXTgoogle-site-verification=A_-SLfAlSztj4j8VAntkiK03DhZMi_hiQMdXETvMv5k
TXTgoogle-site-verification=NPLoWo947gXg33kpUfmGahymzMwGHVbTE6IdyFGazus
TXTgoogle-site-verification=_Kz-fDeOCqTi3uqrppzdgWKIZizXh-IT6IdRL86S_00
TXTv=spf1 a mx include:sendgrid.net include:_spf.google.com include:spf.mail.int...
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints172.66.40.129, 172.66.43.127
IPv6 hints2606:4700:3108::ac42:2881, 2606:4700:3108::ac42:2b7f
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=196, name=cloudflare-ech.com
SOAemma.ns.cloudflare.comdns@cloudflare.com serial=2406597768

io

DNSSEC🔒 Signed (DS record present)
NSa0.nic.io ⭐
NSa2.nic.io
NSb0.nic.io
NSc0.nic.io
SOAa0.nic.iohostmaster@donuts.email serial=1781111520

Same first word

codeinterview.xyz
codeinterview.com
codeinterview.io

DNS History

17 records (11 active, 6 former)

20192020202120222023202420252026NSemma.ns.cloudflare.comsid.ns.cloudflare.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comaspmx3.googlemail.comspmx2.googlemail.comA172.66.40.129172.66.43.1272606:4700:3108::ac42:28812606:4700:3108::ac42:2b7f104.27.166.2104.27.167.22400:cb00:2048:1::681b:a6022400:cb00:2048:1::681b:a702
●NSemma.ns.cloudflare.com2018-06-28 → 2026-06-10 · 2 obs
● 2018-06-28 22:12:24
● 2026-06-10 17:58:06
●NSsid.ns.cloudflare.com2018-06-28 → 2026-06-10 · 2 obs
● 2018-06-28 22:12:24
● 2026-06-10 17:58:06
●MXalt1.aspmx.l.google.com2018-06-28 → 2026-06-10 · 2 obs
● 2018-06-28 22:12:24
● 2026-06-10 17:58:06
●MXalt2.aspmx.l.google.com2018-06-28 → 2026-06-10 · 2 obs
● 2018-06-28 22:12:24
● 2026-06-10 17:58:06
●MXalt3.aspmx.l.google.com2026-02-15 → 2026-06-10 · 3 obs
○ 2018-06-28 22:12:24
● 2026-02-15 16:22:00
● 2026-06-10 17:58:06
●MXalt4.aspmx.l.google.com2026-02-15 → 2026-06-10 · 3 obs
○ 2018-06-28 22:12:24
● 2026-02-15 16:22:00
● 2026-06-10 17:58:06
●MXaspmx.l.google.com2018-06-28 → 2026-06-10 · 2 obs
● 2018-06-28 22:12:24
● 2026-06-10 17:58:06
○MXaspmx3.googlemail.com2018-06-28 → 2018-06-28 · 3 obs
● 2018-06-28 22:12:24
○ 2026-02-15 16:22:00
○ 2026-06-10 17:58:06
○MXspmx2.googlemail.com2018-06-28 → 2018-06-28 · 3 obs
● 2018-06-28 22:12:24
○ 2026-02-15 16:22:00
○ 2026-06-10 17:58:06
○A104.27.166.22018-06-28 → 2018-06-28 · 3 obs
● 2018-06-28 22:12:24
○ 2026-02-15 16:22:00
○ 2026-06-10 17:58:06
○A104.27.167.22018-06-28 → 2018-06-28 · 3 obs
● 2018-06-28 22:12:24
○ 2026-02-15 16:22:00
○ 2026-06-10 17:58:06
●A172.66.40.1292026-02-15 → 2026-06-10 · 3 obs
○ 2018-06-28 22:12:24
● 2026-02-15 16:22:00
● 2026-06-10 17:58:06
●A172.66.43.1272026-02-15 → 2026-06-10 · 3 obs
○ 2018-06-28 22:12:24
● 2026-02-15 16:22:00
● 2026-06-10 17:58:06
○A2400:cb00:2048:1::681b:a6022018-06-28 → 2018-06-28 · 3 obs
● 2018-06-28 22:12:24
○ 2026-02-15 16:22:00
○ 2026-06-10 17:58:06
○A2400:cb00:2048:1::681b:a7022018-06-28 → 2018-06-28 · 3 obs
● 2018-06-28 22:12:24
○ 2026-02-15 16:22:00
○ 2026-06-10 17:58:06
●A2606:4700:3108::ac42:28812026-02-15 → 2026-06-10 · 3 obs
○ 2018-06-28 22:12:24
● 2026-02-15 16:22:00
● 2026-06-10 17:58:06
●A2606:4700:3108::ac42:2b7f2026-02-15 → 2026-06-10 · 3 obs
○ 2018-06-28 22:12:24
● 2026-02-15 16:22:00
● 2026-06-10 17:58:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
iob0.nic.io, a2.nic.io, a0.nic.io, c0.nic.io-
codeinterview.ioemma.ns.cloudflare.com, sid.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.112

NS records: emma.ns.cloudflare.com, sid.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codeinterview.io (unsigned zone)

⏱️ Timing

Total: 387ms | Queries: -

📄 Records

TypeCountSample Data
A2172.66.43.127, 172.66.40.129
AAAA22606:4700:3108::ac42:2881, 2606:4700:3108::ac42:2b7f
NS2emma.ns.cloudflare.com, sid.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT4google-site-verification=A_-SLfAlSztj4j8, google-site-verification=NPLoWo947gXg33k...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1emma.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

codeinterview.io points to four IP numbers: 172.66.40.129, 172.66.43.127, 2606:4700:3108::ac42:2881 and 2606:4700:3108::ac42:2b7f.

Additional host names — www.tattoos.com, www.brixx.com, 3186953708538230159.airportparkingreservations.com and two others — share IP numbers with codeinterview.io.

Name Servers

codeinterview.io is delegated to two name servers: emma.ns.cloudflare.com and sid.ns.cloudflare.com.

codeinterview.io shares its name server setup with other domains, including ciso.in, hill-tech-solutions.net, kanjiflashcards.com and two others.

codeinterview.io partially shares its NS delegation with several other domains, including pikky.net, ideafaktor.com, ecolumen.com.gt and two others.

These name servers are regularly seen alongside brad.ns.cloudflare.com and sri.ns.cloudflare.com as name servers.

Host names with 6 IP numbers:

emma.ns.cloudflare.com resolves to 108.162.192.112, 172.64.32.112, 173.245.58.112 and 3 other IP addresses.

sid.ns.cloudflare.com resolves to 108.162.193.143, 172.64.33.143, 173.245.59.143 and 3 other IP addresses.

Mail Servers

codeinterview.io is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

codeinterview.io shares mail servers — at least in part — with other domains, including ieni.org, andresen.de, livewebtesting.net and two others.

These mail servers are frequently used alongside mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx3.googlemail.com and 3 other.

Host names with two IP numbers:

aspmx.l.google.com points to 172.217.76.27 and 2a00:1450:4009:c0f::1a.

alt1.aspmx.l.google.com points to 108.177.123.27 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com points to 172.253.116.26 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com points to 192.178.223.26 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com points to 172.253.157.27 and 2a00:1450:400c:c23::1b.