letsencrypt.io - dns.ninja

`letsencrypt.io`

DNSSEC	⚠️ Not signed
NS	`owen.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bdb^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`owen.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1db^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`owen.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21db^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`owen.ns.cloudflare.com`
		A	108.162.193.219^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`owen.ns.cloudflare.com`
		A	172.64.33.219^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`owen.ns.cloudflare.com`
		A	173.245.59.219^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`owen.ns.cloudflare.com`
NS	`vera.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a93^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vera.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c093^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`vera.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2093^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`vera.ns.cloudflare.com`
		A	108.162.192.147^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vera.ns.cloudflare.com`
		A	172.64.32.147^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vera.ns.cloudflare.com`
		A	173.245.58.147^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vera.ns.cloudflare.com`
TXT	`ca3-81469a4411c94007b1b6dae7bb2c4d8e`
TXT	`v=spf1 -all`
SOA	`owen.ns.cloudflare.com`dns@cloudflare.com serial=2410158543

`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=1785439549

Same first word

DNS History

11 records (2 active, 9 former)

○NSdns1.registrar-servers.com2018-05-23 → 2018-05-23 · 3 obs

● 2018-05-23 19:39:16
○ 2026-02-17 16:55:26
○ 2026-07-30 19:41:20

○NSdns2.registrar-servers.com2018-05-23 → 2018-05-23 · 3 obs

● 2018-05-23 19:39:16
○ 2026-02-17 16:55:26
○ 2026-07-30 19:41:20

●NSowen.ns.cloudflare.com2026-02-17 → 2026-07-30 · 3 obs

○ 2018-05-23 19:39:16
● 2026-02-17 16:55:26
● 2026-07-30 19:41:20

●NSvera.ns.cloudflare.com2026-02-17 → 2026-07-30 · 3 obs

○ 2018-05-23 19:39:16
● 2026-02-17 16:55:26
● 2026-07-30 19:41:20

○MX.2026-02-17 → 2026-07-30 · 2 obs

○ 2026-02-17 16:55:26
○ 2026-07-30 19:41:20

○MXeforward1.registrar-servers.com2018-05-23 → 2018-05-23 · 3 obs

● 2018-05-23 19:39:16
○ 2026-02-17 16:55:26
○ 2026-07-30 19:41:20

○MXeforward2.registrar-servers.com2018-05-23 → 2018-05-23 · 3 obs

● 2018-05-23 19:39:16
○ 2026-02-17 16:55:26
○ 2026-07-30 19:41:20

○MXeforward3.registrar-servers.com2018-05-23 → 2018-05-23 · 3 obs

● 2018-05-23 19:39:16
○ 2026-02-17 16:55:26
○ 2026-07-30 19:41:20

○MXeforward4.registrar-servers.com2018-05-23 → 2018-05-23 · 3 obs

● 2018-05-23 19:39:16
○ 2026-02-17 16:55:26
○ 2026-07-30 19:41:20

○MXeforward5.registrar-servers.com2018-05-23 → 2018-05-23 · 3 obs

● 2018-05-23 19:39:16
○ 2026-02-17 16:55:26
○ 2026-07-30 19:41:20

○A192.64.119.2102018-05-23 → 2018-05-23 · 3 obs

● 2018-05-23 19:39:16
○ 2026-02-17 16:55:26
○ 2026-07-30 19:41:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
io	a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io	-
letsencrypt.io	vera.ns.cloudflare.com, owen.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.147

NS records: vera.ns.cloudflare.com, owen.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for letsencrypt.io (unsigned zone)

⏱️ Timing

Total: 444ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`owen.ns.cloudflare.com, vera.ns.cloudflare.com`
MX	1	`. (pri: 0)`
TXT	2	`ca3-81469a4411c94007b1b6dae7bb2c4d8e, v=spf1 -all`
SOA	1	`owen.ns.cloudflare.com dns.cloudflare.co`

Analysis

Name Servers

Two name servers handle the delegation for letsencrypt.io: owen.ns.cloudflare.com and vera.ns.cloudflare.com.

The name server configuration of letsencrypt.io is shared with other domains, for instance cookietube.com, xn--j1ad.xn--p1ai, langp.me and two others.

letsencrypt.io partially shares its NS delegation with several other domains, including fhsroyalbanner.com, mamtpo.com, shropshire4x4response.com and two others.

The name servers sima.ns.cloudflare.com, mckinley.ns.cloudflare.com, dolly.ns.cloudflare.com and serenity.ns.cloudflare.com are often found in use alongside these name servers.

Hosts with 6 IP addresses each:

owen.ns.cloudflare.com resolves to 108.162.193.219, 172.64.33.219 and 173.245.59.219 among others, with 3 other IP addresses in total.

vera.ns.cloudflare.com resolves to 108.162.192.147, 172.64.32.147 and 173.245.58.147 among others, with 3 other IP addresses in total.