`support.stackharbor.com`

DNSSEC	⚠️ Not signed
A	23.128.160.4^{🇨🇦 AS39718123.128.160.0/24 Stack Harbor Inc 486 Sainte-Catherine West Suite 300 Montreal QC H3B 1A6 Canada http://www.stackharbor.com/ Standard NOC hours are 9:00 AM to 6:00 PM EST}
		PTR	`core-c8a7-montreal.sh282.net`
MX	`support.stackharbor.com` ⭐
		A	23.128.160.4^{🇨🇦 AS39718123.128.160.0/24 Stack Harbor Inc 486 Sainte-Catherine West Suite 300 Montreal QC H3B 1A6 Canada http://www.stackharbor.com/ Standard NOC hours are 9:00 AM to 6:00 PM EST}
			PTR	`core-c8a7-montreal.sh282.net`
TXT	`v=spf1 include:spf.protection.outlook.com +a +mx +ip4:68.71.37.100 +ip4:159.8...`

`stackharbor.com`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:20::681a:e38^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::681a:f38^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::ac43:4902^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.14.56^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.15.56^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.73.2^{🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`angela.ns.cloudflare.com` ⭐
NS	`carl.ns.cloudflare.com`
MX	`stackharbor-com.mail.protection.outlook.com` ⭐
TXT	`MS=3602518EABD47C075B6FBB5BA156DFDAF34D1F45`
TXT	`_globalsign-domain-verification=xJWeySz6I7Digm0vgk71sjQkzlyowxm3Kjuik7kJJE`
TXT	`google-site-verification=YudzEpQy05GGWnqxJKcEKmBFwzhHXKj8w7WpjsWaJf4`
TXT	`openai-domain-verification=dv-ked55g5eL0l2Tkxtmla6kTUv`
TXT	`site24x7-domain-verification=a4ee939a18f59893612fcdf912bf5336`
TXT	`v=spf1 include:spf.protection.outlook.com +a +mx +ip4:68.71.37.100 +ip4:159.8...`
HTTPS	HTTP/2 ✓ hints match
		IPv4 hints	104.26.14.56, 104.26.15.56, 172.67.73.2
		IPv6 hints	2606:4700:20::681a:e38, 2606:4700:20::681a:f38, 2606:4700:20::ac43:4902
SOA	`angela.ns.cloudflare.com`dns@cloudflare.com serial=2410281356

MX for

support.stackharbor.com

Same first word

support.co.nz

support.prudential

support.one

support.tax

support.ms

support.cx.ua

support.works

support.bh

support

support.hk

support.pl

support.ladesk.com

support.neustar

support.camera

support.(0x787878)

support.bing

support.solar

support.gov.gr

support.bg

support.guru

support.alsace

support.mk.ua

support.im

support.place

support.education

support.mayfirst.org

support.marketing

support.us-east-1.amazonaws.com

support.work

support.kiev.ua

support.media

support.services

support.md

support.inf.br

support.email

support.microsoft

support.awsapps.com

support.cz

support.ly

support.target

support.net.in

support.us

support.webhosting.be

support.pe.kr

support.si

support.academy

support.li

support.mk

support.co.hu

support.la

support.myshopify.com

support.ua

support.nl

support.tc

support.mx

support.cm

support.tools

support.to

support.edgesuite.net

support.mobi

support.lk

support.network

support.com.co

support.fi

support.com.br

support.myqnapcloud.com

support.bz

support.directory

support.cw

support.lu

support.sandvikcoromant

support.blue

support.support

support.repair

support.enterprises

support.us.com

support.com.pl

support.id

support.gov.tl

support.pro

support.mt

support.hotmail

support.ie

support.gov.mr

support.gov.sg

support.co

support.name

support.dk

support.page

support.ws

support.ma

support.cci.fr

support.ky

support.dental

support.cool

support.biz

support.fund

support.mypsx.net

support.group

support.by

Similar names

postrup.se

sportup.ch

support.it

support.azure

sportup.biz

sportup.cl

support.pk

support.ninja

support.s3.amazonaws.com

support.as

support.rocks

support.digital

support.link

support.org.za

support.today

support.dev

support.uk.net

support.kg

support.lt

support.co.ke

support.app

sportup.com

upsport.de

troppus.com.au

portsup.com

trupops.com

troppus.de

spprout.com

support.eu

support.skype

sportup.ru

sportup.us

support.com

support.in.ua

support.pe

support.vn

support.cc

support.de

support.vc

support.community

support.su

upsport.tv

support.az

support.site

propust.com

support.ne.jp

support.at

support.co.il

support.ru

support.solutions

sportup.be

support.co.at

sportup.es

support.s3-website-ap-southeast-1.amazonaws.com

support.net

support.s3-website-us-east-1.amazonaws.com

support.od.ua

support.land

support.com.tr

support.se

support.myasustor.com

support.lv

support.ac

sportup.si

support.cn

support.sh

sportup.com.au

support.co.tz

support.net.cn

support.wtf

opstrup.net

support.church

sportup.online

support.sky

opstrup.no

support.tw

support.xbox

support.co.th

sportup.net

support.red

support.gr

support.me

support.toyota

support.life

support.co.id

support.ro

support.money

DNS History

2 records (2 active, 0 former)

●MXsupport.stackharbor.com2026-02-17 → 2026-07-23 · 2 obs

● 2026-02-17 20:59:24
● 2026-07-23 18:11:22

●A23.128.160.42026-02-17 → 2026-07-23 · 2 obs

● 2026-02-17 20:59:24
● 2026-07-23 18:11:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
stackharbor.com	carl.ns.cloudflare.com, angela.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.65

NS records: carl.ns.cloudflare.com, angela.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 328ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`23.128.160.4`
MX	1	`support.stackharbor.com (pri: 0)`
TXT	1	`v=spf1 include:spf.protection.outlook.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (carl.ns.cloudflare.com, carl.ns.cloudflare.com, carl.ns.cloudflare.com...)

Analysis

Mail Server Role

support.stackharbor.com acts as its own mail server.

IP Addresses

support.stackharbor.com points to a single IP number: 23.128.160.4.

Additional host names — ns1.sh282.net, ihostem.ca, stackharbour.com and two others — share IP numbers with support.stackharbor.com.

Mail Servers

support.stackharbor.com has a single mail server: support.stackharbor.com itself.

support.stackharbor.com has exactly one IP number: 23.128.160.4.

support.stackharbor.com - dns.ninja