codeinterview.io - dns.ninja

`codeinterview.io`

DNSSEC	⚠️ Not signed
A	2606:4700:3108::ac42:2881^{🇺🇸 Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3108::ac42:2b7f^{🇺🇸 Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.66.40.129^{🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.66.43.127^{🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`emma.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a70^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emma.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c070^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`emma.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2070^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`emma.ns.cloudflare.com`
		A	108.162.192.112^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emma.ns.cloudflare.com`
		A	172.64.32.112^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emma.ns.cloudflare.com`
		A	173.245.58.112^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emma.ns.cloudflare.com`
NS	`sid.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b8f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sid.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c18f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sid.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:218f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sid.ns.cloudflare.com`
		A	108.162.193.143^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sid.ns.cloudflare.com`
		A	172.64.33.143^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sid.ns.cloudflare.com`
		A	173.245.59.143^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sid.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c23::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f26.1e100.net`
		A	172.253.63.27^{🇺🇸 Google172.253.63.0/24}
			PTR	`bi-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c01::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`di-in-f26.1e100.net`
		A	74.125.193.26^{🇺🇸 Google74.125.193.0/24}
			PTR	`di-in-f26.1e100.net`
			PTR	`ig-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`google-site-verification=A_-SLfAlSztj4j8VAntkiK03DhZMi_hiQMdXETvMv5k`
TXT	`google-site-verification=NPLoWo947gXg33kpUfmGahymzMwGHVbTE6IdyFGazus`
TXT	`google-site-verification=_Kz-fDeOCqTi3uqrppzdgWKIZizXh-IT6IdRL86S_00`
TXT	`v=spf1 a mx include:sendgrid.net include:_spf.google.com include:spf.mail.int...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	172.66.40.129, 172.66.43.127
		IPv6 hints	2606:4700:3108::ac42:2881, 2606:4700:3108::ac42:2b7f
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=141, name=cloudflare-ech.com
SOA	`emma.ns.cloudflare.com`dns@cloudflare.com serial=2410934580

`io`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.nic.io` ⭐
	NS	`a2.nic.io`
	NS	`b0.nic.io`
	NS	`c0.nic.io`
	SOA	`a0.nic.io`hostmaster@donuts.email serial=1785460944

Same first word

codeinterview.xyz

codeinterview.com

codeinterview.io

DNS History

17 records (11 active, 6 former)

●NSemma.ns.cloudflare.com2018-06-28 → 2026-07-31 · 2 obs

● 2018-06-28 22:12:24
● 2026-07-31 02:09:02

●NSsid.ns.cloudflare.com2018-06-28 → 2026-07-31 · 2 obs

● 2018-06-28 22:12:24
● 2026-07-31 02:09:02

●MXalt1.aspmx.l.google.com2018-06-28 → 2026-07-31 · 2 obs

● 2018-06-28 22:12:24
● 2026-07-31 02:09:02

●MXalt2.aspmx.l.google.com2018-06-28 → 2026-07-31 · 2 obs

● 2018-06-28 22:12:24
● 2026-07-31 02:09:02

●MXalt3.aspmx.l.google.com2026-02-15 → 2026-07-31 · 3 obs

○ 2018-06-28 22:12:24
● 2026-02-15 16:22:00
● 2026-07-31 02:09:02

●MXalt4.aspmx.l.google.com2026-02-15 → 2026-07-31 · 3 obs

○ 2018-06-28 22:12:24
● 2026-02-15 16:22:00
● 2026-07-31 02:09:02

●MXaspmx.l.google.com2018-06-28 → 2026-07-31 · 2 obs

● 2018-06-28 22:12:24
● 2026-07-31 02:09:02

○MXaspmx3.googlemail.com2018-06-28 → 2018-06-28 · 3 obs

● 2018-06-28 22:12:24
○ 2026-02-15 16:22:00
○ 2026-07-31 02:09:02

○MXspmx2.googlemail.com2018-06-28 → 2018-06-28 · 3 obs

● 2018-06-28 22:12:24
○ 2026-02-15 16:22:00
○ 2026-07-31 02:09:02

○A104.27.166.22018-06-28 → 2018-06-28 · 3 obs

● 2018-06-28 22:12:24
○ 2026-02-15 16:22:00
○ 2026-07-31 02:09:02

○A104.27.167.22018-06-28 → 2018-06-28 · 3 obs

● 2018-06-28 22:12:24
○ 2026-02-15 16:22:00
○ 2026-07-31 02:09:02

●A172.66.40.1292026-02-15 → 2026-07-31 · 3 obs

○ 2018-06-28 22:12:24
● 2026-02-15 16:22:00
● 2026-07-31 02:09:02

●A172.66.43.1272026-02-15 → 2026-07-31 · 3 obs

○ 2018-06-28 22:12:24
● 2026-02-15 16:22:00
● 2026-07-31 02:09:02

○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
○ 2026-07-31 02:09:02

○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
○ 2026-07-31 02:09:02

●A2606:4700:3108::ac42:28812026-02-15 → 2026-07-31 · 3 obs

○ 2018-06-28 22:12:24
● 2026-02-15 16:22:00
● 2026-07-31 02:09:02

●A2606:4700:3108::ac42:2b7f2026-02-15 → 2026-07-31 · 3 obs

○ 2018-06-28 22:12:24
● 2026-02-15 16:22:00
● 2026-07-31 02:09:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
io	c0.nic.io, a2.nic.io, a0.nic.io, b0.nic.io	-
codeinterview.io	sid.ns.cloudflare.com, emma.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.112

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codeinterview.io (unsigned zone)

⏱️ Timing

Total: 362ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.66.40.129, 172.66.43.127`
AAAA	2	`2606:4700:3108::ac42:2881, 2606:4700:3108::ac42:2b7f`
NS	2	`emma.ns.cloudflare.com, sid.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	4	`google-site-verification=A_-SLfAlSztj4j8, google-site-verification=NPLoWo947gXg33k...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`emma.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

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

Additional host names — usmankhan.meadowtownerealty.com, www.tattoos.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.

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 172.253.63.27 and 2607:f8b0:4004:c23::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 74.125.193.26 and 2a00:1450:400b:c01::1a.

alt3.aspmx.l.google.com points to 192.178.223.27 and 2a00:1450:4009:c0f::1b.

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