att.dev - dns.ninja

`att.dev`

DNSSEC	⚠️ Not signed
NS	`ns0.attdns.net` ⭐
		A	172.29.0.1^{UNSPECIFIED160.0.0.0/3}
NS	`ns10a.attdns.net`
		A	144.160.229.221^{🇺🇸 AS797144.160.0.0/15 AT&T Services, Inc.}
			PTR	`ns10a.attdns.net`
NS	`ns10b.attdns.net`
		A	144.160.128.177^{🇺🇸 AS797144.160.0.0/15 AT&T Services, Inc.}
			PTR	`ns10b.attdns.net`
NS	`ns10c.attdns.net` ⚠️ Not in parent delegation
		A	144.160.112.19^{🇺🇸 AS797144.160.0.0/15 AT&T Services, Inc.}
			PTR	`ns10c.attdns.net`
NS	`ns10d.attdns.net` ⚠️ Not in parent delegation
		A	144.160.128.159^{🇺🇸 AS797144.160.0.0/15 AT&T Services, Inc.}
			PTR	`ns10d.attdns.net`
TXT	`v=spf1 -all`
SOA	`ns0.attdns.net`eiss-dns@att.com 2025-09-10 #1

`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

att.com.pr

att.tm

att.be

att.fan

att.ge

att.tw

att.dev

att.com.lv

att.gov.tn

att.com.in

att.org.uk

att.mobi

att.bg

att.ne

att.net.ws

att.co.in

att.email

att.ai

att.et

att.se

att.video

att.net.mx

att.cr

att.llc

att.net

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att.com

att.ma

att.business

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att.org.au

att.com.ar

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att.tel

att.jobs

att.pr

att.sport

att.me

att.com.ua

att.sa

att.net.co

att.org

att.cl

att.my

att.io

att.pl

att.ee

att.fi

att.tv

att.gd

att.ps

att.ua

att.com.co

att.by

att.cz

att.digital

att.lu

att.sk

att.it

att.cm

att.eu

att.no

att.app

att.at

att.square7.de

att.biz

att.kiev.ua

att.co.at

att.ae

att.sucks

att.sr

att.com.sa

att.cloud

att.co.kr

att.co.th

att.uz

att.buzz

att.com.cy

att.com.pe

att.com.tw

att.com.pt

att.si

att.fr

att.ba

att.bet

att.com.hr

att.org.il

att.vip

att.su

att.vg

att.mx

att.om

att.expert

att.es

att.org.nz

att.s3.amazonaws.com

att.im

att.au

att.cn

att.com.br

att.ie

att.ca

att.direct

att.gob.bo

att.ne.jp

att.qa

att.github.io

att.co.il

att.la

att.co.uk

att.kr

att.hr

att.org.tw

att.one

att.film

att.info

att.nl

att.jp

att.hu

att.ch

att.com.mx

att.lt

att.com.cn

att.com.tr

att.net.nz

att.ru

att.co.nz

Similar names

tat.sc.gov.br

tat.org.nz

tat.ba

tta.gob.ni

tat.edu.mx

tat.ae

tta.de

tta.dk

tat.plus

tat.sh

tta.se

tta.co.il

tat.ua

tat.gov.mv

tta.li

tta.com.co

tta.net.au

tat.at

tat.go.ug

tta.co.ke

tat.ink

tta.lv

tat.vn

tta.ru

tta.me

tta.at

tat.pl

tat.ms

tat.ro

tta.academy

tta.co.kr

tta.kz

tat.nu

tat.dk

tta.nu

tta.by

tta.org.pl

tat.ac.in

tta.uz

tat.info

tat.cz

tta.cn

tat.co

tat.tv

tat.eu

tat.am

tat.gov.ng

tta.kiev.ua

tat.org

tat.be

tat.de

tta.ch

tat.az

tta.si

tat.fi

tat.com.ua

tat.capital

DNS History

5 records (5 active, 0 former)

●NSns0.attdns.net2026-03-12 → 2026-06-14 · 2 obs

● 2026-03-12 20:57:18
● 2026-06-14 04:08:34

●NSns10a.attdns.net2026-03-12 → 2026-06-14 · 2 obs

● 2026-03-12 20:57:18
● 2026-06-14 04:08:34

●NSns10b.attdns.net2026-03-12 → 2026-06-14 · 2 obs

● 2026-03-12 20:57:18
● 2026-06-14 04:08:34

●NSns10c.attdns.net2026-04-23 → 2026-06-14 · 3 obs

○ 2026-03-12 20:57:18
● 2026-04-23 04:31:02
● 2026-06-14 04:08:34

●NSns10d.attdns.net2026-03-12 → 2026-06-14 · 2 obs

● 2026-03-12 20:57:18
● 2026-06-14 04:08:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
att.dev	ns10a.attdns.net, ns10b.attdns.net	-

✅ Authoritative Response

Server:144.160.229.221

NS records: ns10a.attdns.net, ns10b.attdns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for att.dev (unsigned zone)

⏱️ Timing

Total: 733ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns10c.attdns.net, ns10b.attdns.net...`
MX	1	`. (pri: 0)`
TXT	1	`v=spf1 -all`
SOA	1	`ns0.attdns.net eiss-dns.att.com`

Analysis

Name Servers

att.dev delegates to five name servers: ns0.attdns.net, ns10a.attdns.net, ns10b.attdns.net and two others.

The name servers of att.dev overlap at least partially with those of other domains — among them 226.140.99.in-addr.arpa, 200.226.162.in-addr.arpa, 56.193.107.in-addr.arpa and two more.

The name servers ns10d.attdns.net, ns10c.attdns.net and ns0.attdns.com are commonly seen alongside these name servers.

Host names with one IP number:

The hostname ns0.attdns.net resolves to 172.29.0.1.

The hostname ns10a.attdns.net resolves to 144.160.229.221.

The hostname ns10b.attdns.net resolves to 144.160.128.177.

The hostname ns10c.attdns.net resolves to 144.160.112.19.

The hostname ns10d.attdns.net resolves to 144.160.128.159.