`subnet.guru`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3034::6815:ca3^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:c328^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.12.163^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.195.40^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ernest.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3ba4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ernest.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1a4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ernest.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21a4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ernest.ns.cloudflare.com`
		A	108.162.193.164^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ernest.ns.cloudflare.com`
		A	172.64.33.164^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ernest.ns.cloudflare.com`
		A	173.245.59.164^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ernest.ns.cloudflare.com`
NS	`nicole.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ad3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nicole.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0d3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nicole.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20d3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nicole.ns.cloudflare.com`
		A	108.162.192.211^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nicole.ns.cloudflare.com`
		A	172.64.32.211^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nicole.ns.cloudflare.com`
		A	173.245.58.211^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nicole.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.12.163, 172.67.195.40
		IPv6	2606:4700:3034::6815:ca3, 2606:4700:3036::ac43:c328
SOA	`ernest.ns.cloudflare.com`dns@cloudflare.com serial=2399679894

`guru`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.guru` ⭐
	NS	`v0n1.nic.guru`
	NS	`v0n2.nic.guru`
	NS	`v0n3.nic.guru`
	NS	`v2n0.nic.guru`
	NS	`v2n1.nic.guru`
	SOA	`v0n0.nic.guru`hostmaster@donuts.email serial=1774414210

Same first word

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DNS History

14 records (6 active, 8 former)

○NSdns1.registrar-servers.com2016-12-11 → 2017-11-14 · 4 obs

● 2016-12-11 00:44:34
● 2017-11-14 17:30:46
○ 2026-03-24 13:46:18
○ 2026-03-25 05:19:32

○NSdns2.registrar-servers.com2016-12-11 → 2017-11-14 · 4 obs

● 2016-12-11 00:44:34
● 2017-11-14 17:30:46
○ 2026-03-24 13:46:18
○ 2026-03-25 05:19:32

●NSernest.ns.cloudflare.com2026-03-24 → 2026-03-25 · 3 obs

○ 2017-11-14 17:30:46
● 2026-03-24 13:46:18
● 2026-03-25 05:19:32

●NSnicole.ns.cloudflare.com2026-03-24 → 2026-03-25 · 3 obs

○ 2017-11-14 17:30:46
● 2026-03-24 13:46:18
● 2026-03-25 05:19:32

○MXeforward1.registrar-servers.com2016-12-11 → 2017-11-14 · 4 obs

● 2016-12-11 00:44:34
● 2017-11-14 17:30:46
○ 2026-03-24 13:46:18
○ 2026-03-25 05:19:32

○MXeforward2.registrar-servers.com2016-12-11 → 2017-11-14 · 4 obs

● 2016-12-11 00:44:34
● 2017-11-14 17:30:46
○ 2026-03-24 13:46:18
○ 2026-03-25 05:19:32

○MXeforward3.registrar-servers.com2016-12-11 → 2017-11-14 · 4 obs

● 2016-12-11 00:44:34
● 2017-11-14 17:30:46
○ 2026-03-24 13:46:18
○ 2026-03-25 05:19:32

○MXeforward4.registrar-servers.com2016-12-11 → 2017-11-14 · 4 obs

● 2016-12-11 00:44:34
● 2017-11-14 17:30:46
○ 2026-03-24 13:46:18
○ 2026-03-25 05:19:32

○MXeforward5.registrar-servers.com2016-12-11 → 2017-11-14 · 4 obs

● 2016-12-11 00:44:34
● 2017-11-14 17:30:46
○ 2026-03-24 13:46:18
○ 2026-03-25 05:19:32

●A104.21.12.1632026-03-24 → 2026-03-25 · 3 obs

○ 2017-11-14 17:30:46
● 2026-03-24 13:46:18
● 2026-03-25 05:19:32

○A162.255.119.2502016-12-11 → 2017-11-14 · 4 obs

● 2016-12-11 00:44:34
● 2017-11-14 17:30:46
○ 2026-03-24 13:46:18
○ 2026-03-25 05:19:32

●A172.67.195.402026-03-24 → 2026-03-25 · 3 obs

○ 2017-11-14 17:30:46
● 2026-03-24 13:46:18
● 2026-03-25 05:19:32

●A2606:4700:3034::6815:ca32026-03-24 → 2026-03-25 · 3 obs

○ 2017-11-14 17:30:46
● 2026-03-24 13:46:18
● 2026-03-25 05:19:32

●A2606:4700:3036::ac43:c3282026-03-24 → 2026-03-25 · 3 obs

○ 2017-11-14 17:30:46
● 2026-03-24 13:46:18
● 2026-03-25 05:19:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
guru	v0n2.nic.guru, v0n0.nic.guru, v2n0.nic.guru, v2n1.nic.guru...	12 records
subnet.guru	nicole.ns.cloudflare.com, ernest.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.211

NS records: nicole.ns.cloudflare.com, ernest.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 401ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.12.163, 172.67.195.40`
AAAA	2	`2606:4700:3036::ac43:c328, 2606:4700:3034::6815:ca3`
NS	2	`ernest.ns.cloudflare.com, nicole.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ernest.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

subnet.guru points to four IP numbers: 2606:4700:3034::6815:ca3, 2606:4700:3036::ac43:c328, 104.21.12.163 and 172.67.195.40.

Other host names, for instance newnettle.com, gothubs.com, nerdrockmusic.com, www.murraybarber.horizonsunlimited.com and midasio.com share IP numbers with subnet.guru.

Name Servers

Delegation for subnet.guru rests with two name servers, ernest.ns.cloudflare.com and nicole.ns.cloudflare.com.

subnet.guru shares the same name server setup as other domains, including forensicarchitecture.org, turnerplumbtrician.com, ravielectronics.in, bridgetochange.com and chartz.fm.

subnet.guru at least partially shares name servers with other domains, for instance lingtelli.com, lespictogrammes.com, optymalni.org, sixthirtynine.com and udito.info.

These name servers are commonly used with coco.ns.cloudflare.com and peyton.ns.cloudflare.com.

Host names with six IP numbers: ernest.ns.cloudflare.com points to: 2606:4700:58::adf5:3ba4, 2803:f800:50::6ca2:c1a4, 2a06:98c1:50::ac40:21a4, 108.162.193.164, 172.64.33.164 and 173.245.59.164. nicole.ns.cloudflare.com points to: 2606:4700:50::adf5:3ad3, 2803:f800:50::6ca2:c0d3, 2a06:98c1:50::ac40:20d3, 108.162.192.211, 172.64.32.211 and 173.245.58.211.

subnet.guru - robtex.com

subnet.guru

guru

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`subnet.guru`

`guru`