kernel.expert - dns.ninja

`kernel.expert`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:11b9^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:b211^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.17.185^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.178.17^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 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	`ray.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b8a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ray.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c18a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ray.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:218a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ray.ns.cloudflare.com`
		A	108.162.193.138^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ray.ns.cloudflare.com`
		A	172.64.33.138^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ray.ns.cloudflare.com`
		A	173.245.59.138^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ray.ns.cloudflare.com`
MX	`smtp.secureserver.net` ⭐
		A	216.69.141.71^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v01.prod.phx3.secureserver.net`
		A	216.69.141.84^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v01.prod.phx3.secureserver.net`
		A	216.69.141.113^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v01.prod.phx3.secureserver.net`
MX	`mailstore1.secureserver.net`⁽¹⁰⁾
		A	216.69.141.78^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v02.prod.phx3.secureserver.net`
		A	216.69.141.114^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v02.prod.phx3.secureserver.net`
		A	216.69.141.162^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v02.prod.phx3.secureserver.net`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.17.185, 172.67.178.17
		IPv6 hints	2606:4700:3035::6815:11b9, 2606:4700:3035::ac43:b211
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=168, name=cloudflare-ech.com
SOA	`emma.ns.cloudflare.com`dns@cloudflare.com serial=2406556475

`expert`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.expert` ⭐
	NS	`v0n1.nic.expert`
	NS	`v0n2.nic.expert`
	NS	`v0n3.nic.expert`
	NS	`v2n0.nic.expert`
	NS	`v2n1.nic.expert`
	SOA	`v0n0.nic.expert`hostmaster@donuts.email serial=1781292248

Same first word

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DNS History

11 records (8 active, 3 former)

●NSemma.ns.cloudflare.com2021-06-30 → 2026-06-12 · 3 obs

○ 2017-06-20 11:23:38
● 2021-06-30 01:36:28
● 2026-06-12 19:31:30

○NSns57.domaincontrol.com2016-12-11 → 2017-06-20 · 4 obs

● 2016-12-11 00:10:06
● 2017-06-20 11:23:38
○ 2021-06-30 01:36:28
○ 2026-06-12 19:31:30

○NSns58.domaincontrol.com2016-12-11 → 2017-06-20 · 4 obs

● 2016-12-11 00:10:06
● 2017-06-20 11:23:38
○ 2021-06-30 01:36:28
○ 2026-06-12 19:31:30

●NSray.ns.cloudflare.com2021-06-30 → 2026-06-12 · 3 obs

○ 2017-06-20 11:23:38
● 2021-06-30 01:36:28
● 2026-06-12 19:31:30

●MXmailstore1.secureserver.net2016-12-11 → 2026-06-12 · 2 obs

● 2016-12-11 00:10:06
● 2026-06-12 19:31:30

●MXsmtp.secureserver.net2016-12-11 → 2026-06-12 · 2 obs

● 2016-12-11 00:10:06
● 2026-06-12 19:31:30

●A104.21.17.1852021-06-30 → 2026-06-12 · 3 obs

○ 2017-06-20 11:23:38
● 2021-06-30 01:36:28
● 2026-06-12 19:31:30

●A172.67.178.172021-06-30 → 2026-06-12 · 3 obs

○ 2017-06-20 11:23:38
● 2021-06-30 01:36:28
● 2026-06-12 19:31:30

●A2606:4700:3035::6815:11b92021-06-30 → 2026-06-12 · 3 obs

○ 2017-06-20 11:23:38
● 2021-06-30 01:36:28
● 2026-06-12 19:31:30

●A2606:4700:3035::ac43:b2112021-06-30 → 2026-06-12 · 3 obs

○ 2017-06-20 11:23:38
● 2021-06-30 01:36:28
● 2026-06-12 19:31:30

○A50.63.202.352016-12-11 → 2017-06-20 · 4 obs

● 2016-12-11 00:10:06
● 2017-06-20 11:23:38
○ 2021-06-30 01:36:28
○ 2026-06-12 19:31:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
expert	v2n1.nic.expert, v0n0.nic.expert, v0n3.nic.expert, v0n1.nic.expert...	12 records
kernel.expert	ray.ns.cloudflare.com, emma.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.112

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kernel.expert (unsigned zone)

⏱️ Timing

Total: 783ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.17.185, 172.67.178.17`
AAAA	2	`2606:4700:3035::6815:11b9, 2606:4700:3035::ac43:b211`
NS	2	`emma.ns.cloudflare.com, ray.ns.cloudflare.com`
MX	2	`smtp.secureserver.net (pri: 0), mailstore1.secureserver.net (pri: 10)`
TXT	1	`v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`emma.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v2n1.nic.expert, v2n0.nic.expert, v0n3.nic.expert...)

Analysis

IP Addresses

kernel.expert points to four IP numbers: 104.21.17.185, 172.67.178.17, 2606:4700:3035::6815:11b9 and 2606:4700:3035::ac43:b211.

ogonwatch.org, unified-patent-court.org, simplehomediy.com and two other host names share IP numbers with kernel.expert.

Name Servers

kernel.expert has two authoritative name servers — emma.ns.cloudflare.com and ray.ns.cloudflare.com.

kernel.expert uses the same name servers as several other domains — among them aopsacademy.org, trainingcoachingsquare.com, t2986s.com and two more.

At least some of kernel.expert's name servers are shared with other domains, for example sierralibre.com, pattonlogistics.com, thehundred.ae and two more.

These name servers are often deployed together with the name servers brad.ns.cloudflare.com, ines.ns.cloudflare.com, marjory.ns.cloudflare.com and leif.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

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

ray.ns.cloudflare.com points to 108.162.193.138, 172.64.33.138, 173.245.59.138 and 3 other IP addresses.

Mail Servers

Mail for kernel.expert is handled by two mail servers — mailstore1.secureserver.net and smtp.secureserver.net.

kernel.expert uses an identical mail server configuration to several other domains — among them ogcartmarket.com, startupidea.org, 1stusenvironmental.com and two more.

The hosts mailstore1.secureserver.net and smtp.secureserver.net both resolve to three IP numbers: mailstore1.secureserver.net to 216.69.141.78, 216.69.141.114 and 216.69.141.162, and smtp.secureserver.net to 216.69.141.71, 216.69.141.84 and 216.69.141.113.