firstclassbusiness.org - robtex.com

firstclassbusiness.org

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:bd12🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::6815:5163🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.81.99Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.189.18🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdevin.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c31🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdevin.ns.cloudflare.com
A2803:f800:50::6ca2:c331🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdevin.ns.cloudflare.com
A2a06:98c1:50::ac40:2331🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdevin.ns.cloudflare.com
A108.162.195.49🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdevin.ns.cloudflare.com
A162.159.44.49Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdevin.ns.cloudflare.com
A172.64.35.49🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdevin.ns.cloudflare.com
NSeva.ns.cloudflare.com
A2606:4700:50::adf5:3a72🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTReva.ns.cloudflare.com
A2803:f800:50::6ca2:c072🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTReva.ns.cloudflare.com
A2a06:98c1:50::ac40:2072🇺🇸 Cloudflare2a06:98c1:50::/45
PTReva.ns.cloudflare.com
A108.162.192.114🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTReva.ns.cloudflare.com
A172.64.32.114🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTReva.ns.cloudflare.com
A173.245.58.114🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTReva.ns.cloudflare.com
TXTgoogle-site-verification=njWporaF0ziOvnA9yk3dsgtuidGMCwJPedoYYGb2pek
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.81.99, 172.67.189.18
IPv62606:4700:3031::ac43:bd12, 2606:4700:3033::6815:5163
SOAdevin.ns.cloudflare.comdns@cloudflare.com serial=2398371847

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1773551953

Subdomains

mail.firstclassbusiness.org

Same first word

firstclassbusiness.de

Similar names

businessfirstclass.com

DNS History

13 records (6 active, 7 former)

20162017201820192020202120222023202420252026NSdevin.ns.cloudflare.comeva.ns.cloudflare.comns1.bluehost.comns2.bluehost.comns8419.hostgator.comns8420.hostgator.comMXmail.firstclassbusiness.orgA104.21.81.99172.67.189.182606:4700:3031::ac43:bd122606:4700:3033::6815:5163108.167.183.4566.147.244.177
●NSdevin.ns.cloudflare.com2026-03-23 → 2026-03-23 · 2 obs
○ 2017-07-29 08:29:26
● 2026-03-23 23:19:36
●NSeva.ns.cloudflare.com2026-03-23 → 2026-03-23 · 2 obs
○ 2017-07-29 08:29:26
● 2026-03-23 23:19:36
○NSns1.bluehost.com2015-08-17 → 2015-12-01 · 4 obs
● 2015-08-17 22:15:30
● 2015-12-01 09:35:14
○ 2016-04-02 11:57:22
○ 2026-03-23 23:19:36
○NSns2.bluehost.com2015-08-17 → 2015-12-01 · 4 obs
● 2015-08-17 22:15:30
● 2015-12-01 09:35:14
○ 2016-04-02 11:57:22
○ 2026-03-23 23:19:36
○NSns8419.hostgator.com2016-04-02 → 2017-07-29 · 4 obs
○ 2015-12-01 09:35:14
● 2016-04-02 11:57:22
● 2017-07-29 08:29:26
○ 2026-03-23 23:19:36
○NSns8420.hostgator.com2016-04-02 → 2017-07-29 · 4 obs
○ 2015-12-01 09:35:14
● 2016-04-02 11:57:22
● 2017-07-29 08:29:26
○ 2026-03-23 23:19:36
○MXmail.firstclassbusiness.org2015-08-17 → 2017-07-29 · 3 obs
● 2015-08-17 22:15:30
● 2017-07-29 08:29:26
○ 2026-03-23 23:19:36
●A104.21.81.992026-03-23 → 2026-03-23 · 2 obs
○ 2017-07-29 08:29:26
● 2026-03-23 23:19:36
○A108.167.183.452016-04-02 → 2017-07-29 · 4 obs
○ 2015-12-01 09:35:14
● 2016-04-02 11:57:22
● 2017-07-29 08:29:26
○ 2026-03-23 23:19:36
●A172.67.189.182026-03-23 → 2026-03-23 · 2 obs
○ 2017-07-29 08:29:26
● 2026-03-23 23:19:36
●A2606:4700:3031::ac43:bd122026-03-23 → 2026-03-23 · 2 obs
○ 2017-07-29 08:29:26
● 2026-03-23 23:19:36
●A2606:4700:3033::6815:51632026-03-23 → 2026-03-23 · 2 obs
○ 2017-07-29 08:29:26
● 2026-03-23 23:19:36
○A66.147.244.1772015-08-17 → 2015-12-01 · 4 obs
● 2015-08-17 22:15:30
● 2015-12-01 09:35:14
○ 2016-04-02 11:57:22
○ 2026-03-23 23:19:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org-
firstclassbusiness.orgdevin.ns.cloudflare.com, eva.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.114

NS records: devin.ns.cloudflare.com, eva.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstclassbusiness.org (unsigned zone)

⏱️ Timing

Total: 70ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.81.99, 172.67.189.18
AAAA22606:4700:3031::ac43:bd12, 2606:4700:3033::6815:5163
NS2devin.ns.cloudflare.com, eva.ns.cloudflare.com
TXT1google-site-verification=njWporaF0ziOvnA
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1devin.ns.cloudflare.com dns.cloudflare.c

Analysis

Hierarchy

The parent of mail.firstclassbusiness.org is firstclassbusiness.org.

IP Addresses

firstclassbusiness.org maps to four IP numbers: 2606:4700:3031::ac43:bd12, 2606:4700:3033::6815:5163, 104.21.81.99 and 172.67.189.18.

other host names include kartanauczyciela.pl, lvtrue.com, www.kadecorum.ru, embalagem.net and everbridge.eu.cdn.cloudflare.net; they share IP numbers with firstclassbusiness.org.

Name Servers

Two name servers devin.ns.cloudflare.com and eva.ns.cloudflare.com handle the delegation for firstclassbusiness.org.

firstclassbusiness.org shares the same name server setup as other domains, for instance ole777.id, easyemlak.com, bionic.bg, apexmap.io and gitarren.se.

firstclassbusiness.org at least partially shares name servers with other domains, for instance 04e44c8ea2daaace.com, sssinstagram.com, rkctoen.nl, wl187.sendgrid.net and coastpress.au.

These name servers are commonly used alongside galilea.ns.cloudflare.com, melissa.ns.cloudflare.com and quincy.ns.cloudflare.com.

Six IP addresses per host:

devin.ns.cloudflare.com points to 2606:4700:58::a29f:2c31, 2803:f800:50::6ca2:c331, 2a06:98c1:50::ac40:2331, 108.162.195.49, 162.159.44.49 and 172.64.35.49; eva.ns.cloudflare.com points to 2606:4700:50::adf5:3a72, 2803:f800:50::6ca2:c072, 2a06:98c1:50::ac40:2072, 108.162.192.114, 172.64.32.114 and 173.245.58.114