slack.engineering - dns.ninja

slack.engineering

DNSSEC⚠️ Not signed
A192.0.66.216🇺🇸 Automattic192.0.66.0/24 Route Object
NSdns1.p03.nsone.net ⭐
A2620:4d:4000:6259:7:3:0:1🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48
PTRdns1.p03.nsone.net
A198.51.44.3🇺🇸 NSONE198.51.44.0/24 198.51.44.0
PTRdns1.p03.nsone.net
NSdns2.p03.nsone.net
A2a00:edc0:6259:7:3::2🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2
PTRdns2.p03.nsone.net
A198.51.45.3🇺🇸 NSONE198.51.45.0/24 198.51.45.0
PTRdns2.p03.nsone.net
NSdns3.p03.nsone.net ⚠️ Not in parent delegation
A2620:4d:4000:6259:7:3:0:3🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48
PTRdns3.p03.nsone.net
A198.51.44.67🇺🇸 NSONE198.51.44.0/24 198.51.44.0
PTRdns3.p03.nsone.net
NSdns4.p03.nsone.net ⚠️ Not in parent delegation
A2a00:edc0:6259:7:3::4🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2
PTRdns4.p03.nsone.net
A198.51.45.67🇺🇸 NSONE198.51.45.0/24 198.51.45.0
PTRdns4.p03.nsone.net
NSns01.slackdns.com
A45.54.67.1🇺🇸 NETACTUATE45.54.67.0/24
PTRns01.slackdns.com
NSns02.slackdns.com
A45.54.67.65🇺🇸 NETACTUATE45.54.67.0/24
PTRns02.slackdns.com
NSns03.slackdns.com ⚠️ Not in parent delegation
A45.54.67.129🇺🇸 NETACTUATE45.54.67.0/24
PTRns03.slackdns.com
NSns04.slackdns.com ⚠️ Not in parent delegation
A45.54.67.193🇺🇸 NETACTUATE45.54.67.0/24
PTRns04.slackdns.com
SOAdns1.p03.nsone.nethostmaster@nsone.net serial=1621008906

engineering

DNSSEC🔒 Signed (DS record present)
NSv0n0.nic.engineering ⭐
NSv0n1.nic.engineering
NSv0n2.nic.engineering
NSv0n3.nic.engineering
NSv2n0.nic.engineering
NSv2n1.nic.engineering
SOAv0n0.nic.engineeringhostmaster@donuts.email serial=1783153357
rank #60471 globally
rank #2 in the tld
WOT: SAFE (77/100)
📈 Tranco rank: #226,058

Subdomains

www.slack.engineering

Same first word

slack.design
slack.tv
slack.pl
slack.plus
slack.baby
slack.cz
slack.lv
slack.it
slack.ae
slack.be
slack.engineering
slack.biz
slack.ch
slack.com.ru
slack.today
slack.cm
slack.ninja
slack.camp
slack.team
slack.sucks
slack.se
slack.org
slack.app
slack.us
slack.cam
slack.com.br
slack.business
slack.us.com
slack.me
slack.group
slack.de
slack.blog
slack.fr
slack.map.fastly.net
slack.com
slack.com.au
slack.pro
slack.at
slack.co.jp
slack.com.de
slack.ru
slack.new
slack.shop
slack.is
slack.mil
slack.inc
slack.ai
slack.life
slack.city
slack.mx
slack.cn
slack.ltd
slack.world
slack.org.uk
slack.careers
slack.wtf
slack.us.org
slack.co.uk
slack.show
slack.ca
slack.run
slack.email
slack.dk
slack.global.ssl.fastly.net
slack.dev
slack.co
slack.works
slack.eu
slack.chat
slack.net
slack.company
slack.help
slack.mobi
slack.sk
slack.es
slack.nl
slack.llc

Similar names

aklcs.com
askcl.com
kaslc.com
sckla.de
lacks.com
ksalc.com
claks.dk
kcasl.com
lacsk.com
cksla.org
lacks.eu
kacls.com
sackl.org
lacks.de
sackl.net
calks.com
cksal.com
slakc.com
cslak.fr
kclas.com
lacks.se
kalcs.com
klcas.com
cakls.com
claks.com
claks.de
sackl.eu
kclas.ac.in
clksa.com
akslc.net
alksc.com
kaslc.net
lacks.net
sckal.com
sklac.com
alkcs.com
sclak.com
kscla.org
kslca.com
kcals.com
sackl.com
kcsal.com
sackl.at
ckals.com

DNS History

22 records (9 active, 13 former)

2017201820192020202120222023202420252026NSdns1.p03.nsone.netdns2.p03.nsone.netdns3.p03.nsone.netdns4.p03.nsone.netns01.slackdns.comns02.slackdns.comns03.slackdns.comns04.slackdns.comns-1062.awsdns-04.orgns-1879.awsdns-42.co.ukns-265.awsdns-33.comns-629.awsdns-14.netA192.0.66.21652.1.119.17052.1.147.20552.4.145.11952.4.175.11152.4.225.12452.4.240.22152.5.181.7952.6.3.19252.6.46.142
●NSdns1.p03.nsone.net2026-03-02 → 2026-07-04 · 3 obs
○ 2017-12-08 21:50:20
● 2026-03-02 23:00:38
● 2026-07-04 08:50:56
●NSdns2.p03.nsone.net2026-03-02 → 2026-07-04 · 3 obs
○ 2017-12-08 21:50:20
● 2026-03-02 23:00:38
● 2026-07-04 08:50:56
●NSdns3.p03.nsone.net2026-03-02 → 2026-07-04 · 3 obs
○ 2017-12-08 21:50:20
● 2026-03-02 23:00:38
● 2026-07-04 08:50:56
●NSdns4.p03.nsone.net2026-03-02 → 2026-07-04 · 3 obs
○ 2017-12-08 21:50:20
● 2026-03-02 23:00:38
● 2026-07-04 08:50:56
○NSns-1062.awsdns-04.org2016-12-05 → 2017-12-08 · 4 obs
● 2016-12-05 01:16:12
● 2017-12-08 21:50:20
○ 2026-03-02 23:00:38
○ 2026-07-04 08:50:56
○NSns-1879.awsdns-42.co.uk2016-12-05 → 2017-12-08 · 4 obs
● 2016-12-05 01:16:12
● 2017-12-08 21:50:20
○ 2026-03-02 23:00:38
○ 2026-07-04 08:50:56
○NSns-265.awsdns-33.com2016-12-05 → 2017-12-08 · 4 obs
● 2016-12-05 01:16:12
● 2017-12-08 21:50:20
○ 2026-03-02 23:00:38
○ 2026-07-04 08:50:56
○NSns-629.awsdns-14.net2016-12-05 → 2017-12-08 · 4 obs
● 2016-12-05 01:16:12
● 2017-12-08 21:50:20
○ 2026-03-02 23:00:38
○ 2026-07-04 08:50:56
●NSns01.slackdns.com2026-03-02 → 2026-07-04 · 3 obs
○ 2017-12-08 21:50:20
● 2026-03-02 23:00:38
● 2026-07-04 08:50:56
●NSns02.slackdns.com2026-03-02 → 2026-07-04 · 3 obs
○ 2017-12-08 21:50:20
● 2026-03-02 23:00:38
● 2026-07-04 08:50:56
●NSns03.slackdns.com2026-03-02 → 2026-07-04 · 3 obs
○ 2017-12-08 21:50:20
● 2026-03-02 23:00:38
● 2026-07-04 08:50:56
●NSns04.slackdns.com2026-03-02 → 2026-07-04 · 3 obs
○ 2017-12-08 21:50:20
● 2026-03-02 23:00:38
● 2026-07-04 08:50:56
●A192.0.66.2162026-03-02 → 2026-07-04 · 3 obs
○ 2017-12-08 21:50:20
● 2026-03-02 23:00:38
● 2026-07-04 08:50:56
○A52.1.119.1702016-12-05 → 2017-12-08 · 4 obs
● 2016-12-05 01:16:12
● 2017-12-08 21:50:20
○ 2026-03-02 23:00:38
○ 2026-07-04 08:50:56
○A52.1.147.2052016-12-05 → 2017-12-08 · 4 obs
● 2016-12-05 01:16:12
● 2017-12-08 21:50:20
○ 2026-03-02 23:00:38
○ 2026-07-04 08:50:56
○A52.4.145.1192016-12-05 → 2017-12-08 · 4 obs
● 2016-12-05 01:16:12
● 2017-12-08 21:50:20
○ 2026-03-02 23:00:38
○ 2026-07-04 08:50:56
○A52.4.175.1112016-12-05 → 2017-12-08 · 4 obs
● 2016-12-05 01:16:12
● 2017-12-08 21:50:20
○ 2026-03-02 23:00:38
○ 2026-07-04 08:50:56
○A52.4.225.1242016-12-05 → 2017-12-08 · 4 obs
● 2016-12-05 01:16:12
● 2017-12-08 21:50:20
○ 2026-03-02 23:00:38
○ 2026-07-04 08:50:56
○A52.4.240.2212016-12-05 → 2017-12-08 · 4 obs
● 2016-12-05 01:16:12
● 2017-12-08 21:50:20
○ 2026-03-02 23:00:38
○ 2026-07-04 08:50:56
○A52.5.181.792016-12-05 → 2017-12-08 · 4 obs
● 2016-12-05 01:16:12
● 2017-12-08 21:50:20
○ 2026-03-02 23:00:38
○ 2026-07-04 08:50:56
○A52.6.3.1922016-12-05 → 2017-12-08 · 4 obs
● 2016-12-05 01:16:12
● 2017-12-08 21:50:20
○ 2026-03-02 23:00:38
○ 2026-07-04 08:50:56
○A52.6.46.1422016-12-05 → 2017-12-08 · 4 obs
● 2016-12-05 01:16:12
● 2017-12-08 21:50:20
○ 2026-03-02 23:00:38
○ 2026-07-04 08:50:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
engineeringv0n1.nic.engineering, v2n0.nic.engineering, v0n2.nic.engineering, v0n3.nic.engineering...12 records
slack.engineeringns01.slackdns.com, ns02.slackdns.com, dns1.p03.nsone.net, dns2.p03.nsone.net-

✅ Authoritative Response

Server:45.54.67.1

NS records: ns01.slackdns.com, ns02.slackdns.com, dns1.p03.nsone.net, dns2.p03.nsone.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for slack.engineering (unsigned zone)

⏱️ Timing

Total: 518ms | Queries: -

📄 Records

TypeCountSample Data
A1192.0.66.216
NS8dns1.p03.nsone.net, dns2.p03.nsone.net...
SOA1dns1.p03.nsone.net hostmaster.nsone.net

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n1.nic.engineering, v0n1.nic.engineering, v2n0.nic.engineering...)

Analysis

Hierarchy

www.slack.engineering is a subdomain of slack.engineering.

IP Addresses

slack.engineering resolves to one IP address: 192.0.66.216.

www.journalofaccountancy.com, thetaxadviser.com, fairfaxworldwide.com and two other host names share IP numbers with slack.engineering.

Name Servers

slack.engineering delegates authority to 8 name servers: ns01.slackdns.com, ns02.slackdns.com, ns03.slackdns.com plus 5 other.

The name servers of slack.engineering overlap at least partially with those of other domains — among them sustainablejeff.com, phonictheledgehog.com, featherstonebarbercompany.com and two more.

These name servers commonly appear in delegations together with dns1.p03.nsone.net, dns3.p03.nsone.net, dns2.p03.nsone.net and 7 other.

Hostnames that resolve to two IP addresses:

dns1.p03.nsone.net directs traffic to 198.51.44.3 and 2620:4d:4000:6259:7:3:0:1.

dns2.p03.nsone.net directs traffic to 198.51.45.3 and 2a00:edc0:6259:7:3::2.

dns3.p03.nsone.net directs traffic to 198.51.44.67 and 2620:4d:4000:6259:7:3:0:3.

dns4.p03.nsone.net directs traffic to 198.51.45.67 and 2a00:edc0:6259:7:3::4.

Hosts with just one IP address:

ns01.slackdns.com has the IP address 45.54.67.1.

ns02.slackdns.com has the IP address 45.54.67.65.

ns03.slackdns.com has the IP address 45.54.67.129.

ns04.slackdns.com has the IP address 45.54.67.193.