`atto.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:ab^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:8023^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.0.171^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.128.35^{🇺🇸 Cloudflare172.67.128.0/20 , 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	`ivan.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b78^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c178^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ivan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2178^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ivan.ns.cloudflare.com`
		A	108.162.193.120^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivan.ns.cloudflare.com`
		A	172.64.33.120^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivan.ns.cloudflare.com`
		A	173.245.59.120^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivan.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1b::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f26.1e100.net`
		A	142.251.163.26^{🇺🇸 Google142.251.163.0/24}
MX	`alt1.aspmx.l.google.com`⁽¹⁰⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
MX	`alt2.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
MX	`aspmx2.googlemail.com`⁽²⁰⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
MX	`aspmx3.googlemail.com`⁽²⁰⁾
		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}
MX	`aspmx4.googlemail.com`⁽²⁰⁾
		A	2a00:1450:4001:c21::1a^{🇩🇪 Google2a00:1450:4001::/48}
			PTR	`lcfrai-in-f26.1e100.net`
		A	142.251.127.26^{🇺🇸 Google142.251.127.0/24}
			PTR	`lcfrai-in-f26.1e100.net`
MX	`aspmx5.googlemail.com`⁽²⁰⁾
		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}
TXT	`google-site-verification=v7GsDfoKEYrkKC0QHA0XZLK9gmE-eEDRdrGSS_wrKK0`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.0.171, 172.67.128.35
		IPv6 hints	2606:4700:3030::6815:ab, 2606:4700:3036::ac43:8023
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=125, name=cloudflare-ech.com
SOA	`emma.ns.cloudflare.com`dns@cloudflare.com serial=2406195212

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Same first word

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atto.wiki

atto.asia

atto.town

atto.biz

atto.technology

atto.me

atto.sh

atto.net.pl

atto.co.in

atto.com

atto.com.sg

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atto.digital

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atto.pt

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atto.pl

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atto.house

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atto.si

atto.com.au

atto.ne.jp

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atto.tech

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atto.partners

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Similar names

otta.me

oatt.no

aott.cn

ttoa.net

otat.org

tato.tj

tato.band

ttao.org

ttao.cc

otta.it

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toat.ca

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aott.com

tato.com.ua

tato.ru

toat.co.th

tota.vn

oatt.de

tota.in

tato.co.jp

tato.com.au

tota.cn

otta.co.jp

taot.com

aott.de

toat.us

otat.com.tr

atot.nl

tota.me

otta.us

atot.ir

tato.com.ar

otta.nl

otta.com.br

atot.ro

otta.jp

otta.eu

tota.org

tato.com.tr

tota.cz

ttoa.ru

toat.de

otta.se

tato.email

tota.us-3.evennode.com

tota.co.kr

tota.nl

tota.bet

taot.org.tw

toat.com.br

tota.info

otta.com

tota.se

tota.com.au

tota.sk

otat.cn

otta.co

tato.eu

tato.net

otta.org.nz

otta.info

tota.fi

tato.nl

tato.ch

tato.com.br

tota.pl

ttao.de

ttoa.com.cn

ttoa.fr

ttao.ru

DNS History

19 records (13 active, 6 former)

●NSemma.ns.cloudflare.com2026-02-20 → 2026-07-03 · 2 obs

● 2026-02-20 15:23:16
● 2026-07-03 16:28:42

●NSivan.ns.cloudflare.com2026-02-20 → 2026-07-03 · 2 obs

● 2026-02-20 15:23:16
● 2026-07-03 16:28:42

●MXalt1.aspmx.l.google.com2026-02-20 → 2026-07-03 · 2 obs

● 2026-02-20 15:23:16
● 2026-07-03 16:28:42

●MXalt2.aspmx.l.google.com2026-02-20 → 2026-07-03 · 2 obs

● 2026-02-20 15:23:16
● 2026-07-03 16:28:42

●MXaspmx.l.google.com2026-02-20 → 2026-07-03 · 2 obs

● 2026-02-20 15:23:16
● 2026-07-03 16:28:42

●MXaspmx2.googlemail.com2026-02-20 → 2026-07-03 · 2 obs

● 2026-02-20 15:23:16
● 2026-07-03 16:28:42

●MXaspmx3.googlemail.com2026-02-20 → 2026-07-03 · 2 obs

● 2026-02-20 15:23:16
● 2026-07-03 16:28:42

●MXaspmx4.googlemail.com2026-02-20 → 2026-07-03 · 2 obs

● 2026-02-20 15:23:16
● 2026-07-03 16:28:42

●MXaspmx5.googlemail.com2026-02-20 → 2026-07-03 · 2 obs

● 2026-02-20 15:23:16
● 2026-07-03 16:28:42

●A104.21.0.1712026-04-12 → 2026-07-03 · 8 obs

○ 2026-02-20 15:23:16
● 2026-04-12 22:20:54
○ 2026-04-21 23:44:16
● 2026-05-01 07:02:30
● 2026-06-15 20:06:06
○ 2026-06-17 09:37:20
● 2026-07-03 16:28:38
● 2026-07-03 16:28:42

●A172.67.128.352026-04-12 → 2026-07-03 · 8 obs

○ 2026-02-20 15:23:16
● 2026-04-12 22:20:54
○ 2026-04-21 23:44:16
● 2026-05-01 07:02:30
● 2026-06-15 20:06:06
○ 2026-06-17 09:37:20
● 2026-07-03 16:28:38
● 2026-07-03 16:28:42

○A188.114.96.02026-02-20 → 2026-06-17 · 8 obs

● 2026-02-20 15:23:16
○ 2026-04-12 22:20:54
● 2026-04-21 23:44:16
○ 2026-05-01 07:02:30
○ 2026-06-15 20:06:06
● 2026-06-17 09:37:20
○ 2026-07-03 16:28:38
○ 2026-07-03 16:28:42

○A188.114.97.02026-02-20 → 2026-06-17 · 8 obs

● 2026-02-20 15:23:16
○ 2026-04-12 22:20:54
● 2026-04-21 23:44:16
○ 2026-05-01 07:02:30
○ 2026-06-15 20:06:06
● 2026-06-17 09:37:20
○ 2026-07-03 16:28:38
○ 2026-07-03 16:28:42

●A2606:4700:3030::6815:ab2026-07-03 → 2026-07-03 · 3 obs

○ 2026-06-17 09:37:20
● 2026-07-03 16:28:38
● 2026-07-03 16:28:42

○A2606:4700:3033::6815:ab2026-04-12 → 2026-06-15 · 7 obs

○ 2026-02-20 15:23:16
● 2026-04-12 22:20:54
○ 2026-04-21 23:44:16
● 2026-05-01 07:02:30
● 2026-06-15 20:06:06
○ 2026-06-17 09:37:20
○ 2026-07-03 16:28:42

●A2606:4700:3036::ac43:80232026-07-03 → 2026-07-03 · 3 obs

○ 2026-06-17 09:37:20
● 2026-07-03 16:28:38
● 2026-07-03 16:28:42

○A2606:4700:3037::ac43:80232026-04-12 → 2026-06-15 · 7 obs

○ 2026-02-20 15:23:16
● 2026-04-12 22:20:54
○ 2026-04-21 23:44:16
● 2026-05-01 07:02:30
● 2026-06-15 20:06:06
○ 2026-06-17 09:37:20
○ 2026-07-03 16:28:42

○A2a06:98c1:3120::2026-02-20 → 2026-06-17 · 8 obs

● 2026-02-20 15:23:16
○ 2026-04-12 22:20:54
● 2026-04-21 23:44:16
○ 2026-05-01 07:02:30
○ 2026-06-15 20:06:06
● 2026-06-17 09:37:20
○ 2026-07-03 16:28:38
○ 2026-07-03 16:28:42

○A2a06:98c1:3121::2026-02-20 → 2026-06-17 · 8 obs

● 2026-02-20 15:23:16
○ 2026-04-12 22:20:54
● 2026-04-21 23:44:16
○ 2026-05-01 07:02:30
○ 2026-06-15 20:06:06
● 2026-06-17 09:37:20
○ 2026-07-03 16:28:38
○ 2026-07-03 16:28:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
atto.dev	ivan.ns.cloudflare.com, emma.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.120

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for atto.dev (unsigned zone)

⏱️ Timing

Total: 2075ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.0.171, 172.67.128.35`
AAAA	2	`2606:4700:3036::ac43:8023, 2606:4700:3030::6815:ab`
NS	2	`emma.ns.cloudflare.com, ivan.ns.cloudflare.com`
MX	7	`alt1.aspmx.l.google.com (pri: 10), alt2.aspmx.l.google.com (pri: 10)...`
TXT	1	`google-site-verification=v7GsDfoKEYrkKC0`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`emma.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

atto.dev points to the four IP addresses 104.21.0.171, 172.67.128.35, 2606:4700:3030::6815:ab and 2606:4700:3036::ac43:8023.

Additional host names — blendex.dk, correio.rac.com.br, giannipietrantonio.it and two others — share IP numbers with atto.dev.

Name Servers

atto.dev uses two name servers for its delegation: emma.ns.cloudflare.com and ivan.ns.cloudflare.com.

atto.dev shares its name server setup with other domains, including verblio.com, tientri.net, 1win-pakistan.com.pk and two others.

The name servers of atto.dev overlap at least partially with those of other domains — among them idlemon.net, speedupwebsite.com, tvm839.com and two more.

These name servers commonly appear alongside the name servers erin.ns.cloudflare.com and brad.ns.cloudflare.com.

Host names with 6 IP numbers:

Hostname emma.ns.cloudflare.com directs to 108.162.192.112, 172.64.32.112 and 173.245.58.112 along with 3 other IP addresses.

Hostname ivan.ns.cloudflare.com directs to 108.162.193.120, 172.64.33.120 and 173.245.59.120 along with 3 other IP addresses.

Mail Servers

atto.dev has 7 mail servers — aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com plus 4 other.

atto.dev shares mail servers — at least in part — with other domains, including printaroo.com, munenaga.com, woodwheelentertainment.com and two others.

These mail servers are frequently used alongside mail servers aspmx.l.google.com, alt2.aspmx.l.google.com, alt1.aspmx.l.google.com and 3 other.

Host names with two IP numbers:

aspmx2.googlemail.com directs traffic to 108.177.123.26 and 2800:3f0:4003:c0f::1a.

aspmx3.googlemail.com directs traffic to 172.253.116.26 and 2a00:1450:400b:c02::1a.

aspmx4.googlemail.com directs traffic to 142.251.127.26 and 2a00:1450:4001:c21::1a.

aspmx5.googlemail.com directs traffic to 172.253.157.26 and 2a00:1450:400c:c23::1a.

aspmx.l.google.com directs traffic to 142.251.163.26 and 2607:f8b0:4004:c1b::1a.

alt1.aspmx.l.google.com directs traffic to 108.177.123.26 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com directs traffic to 172.253.116.27 and 2a00:1450:400b:c02::1b.

Both aspmx2.googlemail.com and alt1.aspmx.l.google.com resolve to 2800:3f0:4003:c0f::1a IP addresses each.

Both aspmx2.googlemail.com and alt1.aspmx.l.google.com resolve to 108.177.123.26 IP addresses each.