`nodoubt.ch`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:b946^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:133a^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.19.58^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.185.70^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`gwen.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3aa0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gwen.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0a0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`gwen.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20a0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`gwen.ns.cloudflare.com`
		A	108.162.192.160^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gwen.ns.cloudflare.com`
		A	172.64.32.160^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gwen.ns.cloudflare.com`
		A	173.245.58.160^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gwen.ns.cloudflare.com`
NS	`kyree.ns.cloudflare.com`
		A	2606:4700:58::a29f:2ccf^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kyree.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3cf^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kyree.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23cf^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kyree.ns.cloudflare.com`
		A	108.162.195.207^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.44.207^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.35.207^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`aspmx.l.google.com` ⭐
		A	2a00:1450:4009:c19::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrp-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:4025:402::1b^{🇳🇱 Google2a00:1450:4025::/48}
			PTR	`rb-in-f27.1e100.net`
		A	142.250.102.27^{🇺🇸 Google142.250.102.0/24}
			PTR	`rb-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:4013:c1e::1b^{🇳🇱 Google2a00:1450:4013::/48}
			PTR	`yugrqzs-in-f27.1e100.net`
		A	192.178.213.27^{🇺🇸 Google192.178.213.0/24}
			PTR	`yugrqzs-in-f27.1e100.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	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`google-site-verification=XZHlsxw1jluCRxMKKxn4LLCqYR0H9Xqj8FLplcuzmeM`
TXT	`google-site-verification=oop0crkPHUCFXkhwTyKmrjXGoPbW3hPOgwjLjo4T9xk`
TXT	`v=spf1 a:nodoubt.ch mx ip4:80.74.152.84 include:_spf.google.com redirect=spf....`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.19.58, 172.67.185.70
		IPv6 hints	2606:4700:3030::ac43:b946, 2606:4700:3037::6815:133a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=250, name=cloudflare-ech.com
SOA	`gwen.ns.cloudflare.com`dns@cloudflare.com serial=2406979117

`ch`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nic.ch` ⭐
	NS	`b.nic.ch`
	NS	`d.nic.ch`
	NS	`e.nic.ch`
	NS	`f.nic.ch`
	SOA	`a.nic.ch`dns-operation@switch.ch 2026-06-30 #47

Same first word

nodoubt.es

nodoubt.ch

nodoubt.de

nodoubt.fr

nodoubt.jp

nodoubt.ru

nodoubt.it

nodoubt.ca

nodoubt.dk

nodoubt.net

nodoubt.se

nodoubt.com

Similar names

tobundo.co.jp

outbond.com

undobot.com

tobound.com

tobundo.com

dubtoon.com

tonobud.com

bondout.com

outbond.co.za

donbotu.info

outbond.de

DNS History

16 records (11 active, 5 former)

●NSgwen.ns.cloudflare.com2026-06-13 → 2026-06-30 · 3 obs

○ 2016-04-13 19:14:02
● 2026-06-13 08:46:06
● 2026-06-30 21:52:00

●NSkyree.ns.cloudflare.com2026-06-13 → 2026-06-30 · 3 obs

○ 2016-04-13 19:14:02
● 2026-06-13 08:46:06
● 2026-06-30 21:52:00

○NSns01.cashparking.com2016-04-13 → 2016-04-13 · 3 obs

● 2016-04-13 19:14:02
○ 2026-06-13 08:46:06
○ 2026-06-30 21:52:00

●MXalt1.aspmx.l.google.com2026-06-13 → 2026-06-30 · 3 obs

○ 2016-04-13 19:14:02
● 2026-06-13 08:46:06
● 2026-06-30 21:52:00

●MXalt2.aspmx.l.google.com2026-06-13 → 2026-06-30 · 3 obs

○ 2016-04-13 19:14:02
● 2026-06-13 08:46:06
● 2026-06-30 21:52:00

●MXalt3.aspmx.l.google.com2026-06-13 → 2026-06-30 · 3 obs

○ 2016-04-13 19:14:02
● 2026-06-13 08:46:06
● 2026-06-30 21:52:00

●MXalt4.aspmx.l.google.com2026-06-13 → 2026-06-30 · 3 obs

○ 2016-04-13 19:14:02
● 2026-06-13 08:46:06
● 2026-06-30 21:52:00

●MXaspmx.l.google.com2026-06-13 → 2026-06-30 · 3 obs

○ 2016-04-13 19:14:02
● 2026-06-13 08:46:06
● 2026-06-30 21:52:00

○MXmailstore1.secureserver.net2016-04-13 → 2016-04-13 · 3 obs

● 2016-04-13 19:14:02
○ 2026-06-13 08:46:06
○ 2026-06-30 21:52:00

○MXsmtp.secureserver.net2016-04-13 → 2016-04-13 · 3 obs

● 2016-04-13 19:14:02
○ 2026-06-13 08:46:06
○ 2026-06-30 21:52:00

●A104.21.19.582026-06-30 → 2026-06-30 · 2 obs

○ 2026-06-13 08:46:06
● 2026-06-30 21:52:00

●A172.67.185.702026-06-30 → 2026-06-30 · 2 obs

○ 2026-06-13 08:46:06
● 2026-06-30 21:52:00

○A184.168.221.962016-04-13 → 2016-04-13 · 3 obs

● 2016-04-13 19:14:02
○ 2026-06-13 08:46:06
○ 2026-06-30 21:52:00

●A2606:4700:3030::ac43:b9462026-06-30 → 2026-06-30 · 2 obs

○ 2026-06-13 08:46:06
● 2026-06-30 21:52:00

●A2606:4700:3037::6815:133a2026-06-30 → 2026-06-30 · 2 obs

○ 2026-06-13 08:46:06
● 2026-06-30 21:52:00

○A51.178.199.802026-06-13 → 2026-06-13 · 3 obs

○ 2016-04-13 19:14:02
● 2026-06-13 08:46:06
○ 2026-06-30 21:52:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch...	10 records
nodoubt.ch	gwen.ns.cloudflare.com, kyree.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.160

NS records: gwen.ns.cloudflare.com, kyree.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for nodoubt.ch (unsigned zone)

⏱️ Timing

Total: 594ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.19.58, 172.67.185.70`
AAAA	2	`2606:4700:3037::6815:133a, 2606:4700:3030::ac43:b946`
NS	2	`gwen.ns.cloudflare.com, kyree.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	3	`google-site-verification=XZHlsxw1jluCRxM, google-site-verification=oop0crkPHUCFXkh...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`gwen.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 10

In-bailiwick: 10 (a.nic.ch, a.nic.ch, b.nic.ch...)

Analysis

IP Addresses

nodoubt.ch directs to four IP numbers, which are 104.21.19.58, 172.67.185.70, 2606:4700:3030::ac43:b946 and 2606:4700:3037::6815:133a.

Additional host names — (0x787878)x.co.uk, www.jointlearningnetwork.org, getschoolhouse.com and two others — share IP numbers with nodoubt.ch.

Name Servers

The NS records for nodoubt.ch delegate to gwen.ns.cloudflare.com and kyree.ns.cloudflare.com.

nodoubt.ch shares its name server setup with other domains, including housekarma.us, exploreyourneighborhood.com, jab.bz and two others.

At least some of nodoubt.ch's name servers are shared with other domains, for example globalarenapro.com, trendymanga.com, blhbearings.com and two more.

It is common for these name servers to be used in conjunction with the name servers theo.ns.cloudflare.com, sky.ns.cloudflare.com and marjory.ns.cloudflare.com.

Host names with 6 IP numbers:

gwen.ns.cloudflare.com maps to 108.162.192.160, 172.64.32.160, 173.245.58.160 and 3 additional IP addresses.

kyree.ns.cloudflare.com maps to 108.162.195.207, 162.159.44.207, 172.64.35.207 and 3 additional IP addresses.

Mail Servers

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

nodoubt.ch shares mail servers — at least in part — with other domains, including anjoman.co.uk, eaa245.org, amysicecreams.com and two others.

These mail servers are frequently used alongside mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other.

Host names with two IP numbers:

The A records for aspmx.l.google.com return 192.178.223.27 and 2a00:1450:4009:c19::1b.

The A records for alt1.aspmx.l.google.com return 142.250.102.27 and 2a00:1450:4025:402::1b.

The A records for alt2.aspmx.l.google.com return 192.178.213.27 and 2a00:1450:4013:c1e::1b.

The A records for alt3.aspmx.l.google.com return 192.178.223.27 and 2a00:1450:4009:c0f::1b.

The A records for alt4.aspmx.l.google.com return 172.253.157.26 and 2a00:1450:400c:c23::1a.

aspmx.l.google.com and alt3.aspmx.l.google.com each have 192.178.223.27 IP addresses.