questionable.io - dns.ninja

`questionable.io`

DNSSEC	⚠️ Not signed
A	151.101.1.195^{🇺🇸 Fastly151.101.0.0/22}
A	151.101.65.195^{🇺🇸 Fastly151.101.64.0/22}
NS	`fred.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b71^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fred.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c171^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`fred.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2171^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`fred.ns.cloudflare.com`
		A	108.162.193.113^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fred.ns.cloudflare.com`
		A	172.64.33.113^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fred.ns.cloudflare.com`
		A	173.245.59.113^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fred.ns.cloudflare.com`
NS	`kira.ns.cloudflare.com`
		A	2606:4700:50::a29f:26c5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kira.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2c5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kira.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22c5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kira.ns.cloudflare.com`
		A	108.162.194.197^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kira.ns.cloudflare.com`
		A	162.159.38.197^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kira.ns.cloudflare.com`
		A	172.64.34.197^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kira.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c0b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bj-in-f27.1e100.net`
		A	64.233.180.26^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f26.1e100.net`
			PTR	`pe-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-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::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
SOA	`fred.ns.cloudflare.com`dns@cloudflare.com serial=2410627875

`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=1785440818

Subdomains

www.questionable.io

Same first word

DNS History

13 records (9 active, 4 former)

●NSfred.ns.cloudflare.com2026-03-25 → 2026-07-30 · 3 obs

○ 2018-05-15 10:59:02
● 2026-03-25 01:56:48
● 2026-07-30 19:59:02

●NSkira.ns.cloudflare.com2026-03-25 → 2026-07-30 · 3 obs

○ 2018-05-15 10:59:02
● 2026-03-25 01:56:48
● 2026-07-30 19:59:02

○NSns-cloud-b1.googledomains.com2018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 10:59:02
○ 2026-03-25 01:56:48
○ 2026-07-30 19:59:02

○NSns-cloud-b2.googledomains.com2018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 10:59:02
○ 2026-03-25 01:56:48
○ 2026-07-30 19:59:02

○NSns-cloud-b3.googledomains.com2018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 10:59:02
○ 2026-03-25 01:56:48
○ 2026-07-30 19:59:02

○NSns-cloud-b4.googledomains.com2018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 10:59:02
○ 2026-03-25 01:56:48
○ 2026-07-30 19:59:02

●MXalt1.aspmx.l.google.com2018-05-15 → 2026-07-30 · 2 obs

● 2018-05-15 10:59:02
● 2026-07-30 19:59:02

●MXalt2.aspmx.l.google.com2018-05-15 → 2026-07-30 · 2 obs

● 2018-05-15 10:59:02
● 2026-07-30 19:59:02

●MXalt3.aspmx.l.google.com2018-05-15 → 2026-07-30 · 2 obs

● 2018-05-15 10:59:02
● 2026-07-30 19:59:02

●MXalt4.aspmx.l.google.com2018-05-15 → 2026-07-30 · 2 obs

● 2018-05-15 10:59:02
● 2026-07-30 19:59:02

●MXaspmx.l.google.com2018-05-15 → 2026-07-30 · 2 obs

● 2018-05-15 10:59:02
● 2026-07-30 19:59:02

●A151.101.1.1952018-05-15 → 2026-07-30 · 2 obs

● 2018-05-15 10:59:02
● 2026-07-30 19:59:02

●A151.101.65.1952018-05-15 → 2026-07-30 · 2 obs

● 2018-05-15 10:59:02
● 2026-07-30 19:59:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
io	b0.nic.io, c0.nic.io, a0.nic.io, a2.nic.io	-
questionable.io	fred.ns.cloudflare.com, kira.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.113

NS records: fred.ns.cloudflare.com, kira.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for questionable.io (unsigned zone)

⏱️ Timing

Total: 393ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`151.101.65.195, 151.101.1.195`
NS	2	`fred.ns.cloudflare.com, kira.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
SOA	1	`fred.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

The domain www.questionable.io falls under the parent questionable.io.

IP Addresses

questionable.io has two IP addresses: 151.101.1.195 and 151.101.65.195

Among the host names that share IP numbers with questionable.io are 10-20app.com, ontolabs.com, himanshubarbaria.com and two others.

Name Servers

questionable.io has two authoritative name servers — fred.ns.cloudflare.com and kira.ns.cloudflare.com.

questionable.io has the same name server delegation as a number of other domains, such as anafabdulkarem.com, mixposter.com, funandpay.com and two more.

At least some of questionable.io's name servers are shared with other domains, for example xahyzl.com, carverdesirebc.org, eudokumentenspezialist.com and two more.

It is common for these name servers to be used in conjunction with the name servers fatima.ns.cloudflare.com, rohin.ns.cloudflare.com and raina.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

fred.ns.cloudflare.com points to 108.162.193.113, 172.64.33.113, 173.245.59.113 and 3 other IP addresses.

kira.ns.cloudflare.com points to 108.162.194.197, 162.159.38.197, 172.64.34.197 and 3 other IP addresses.

Mail Servers

Five mail servers handle questionable.io: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

questionable.io shares at least some of its mail servers with other domains — for example streamhpc.com, in-situ.co, immoteur.com and two more.

It is common to find these mail servers paired with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 more.

Hosts with two IP numbers each:

aspmx.l.google.com resolves to 64.233.180.26 and 2607:f8b0:4004:c0b::1b.

alt1.aspmx.l.google.com resolves to 108.177.123.26 and 2800:3f0:4003:c0f::1b.

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

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

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