coulb.com - robtex.com

coulb.com

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:1db🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:8018🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.1.219Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.128.24🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScory.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b5d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcory.ns.cloudflare.com
A2803:f800:50::6ca2:c15d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcory.ns.cloudflare.com
A2a06:98c1:50::ac40:215d🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcory.ns.cloudflare.com
A108.162.193.93🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcory.ns.cloudflare.com
A172.64.33.93🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcory.ns.cloudflare.com
A173.245.59.93🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcory.ns.cloudflare.com
NSdorthy.ns.cloudflare.com
A2606:4700:50::adf5:3af9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdorthy.ns.cloudflare.com
A2803:f800:50::6ca2:c0f9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdorthy.ns.cloudflare.com
A2a06:98c1:50::ac40:20f9🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdorthy.ns.cloudflare.com
A108.162.192.249🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdorthy.ns.cloudflare.com
A172.64.32.249🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdorthy.ns.cloudflare.com
A173.245.58.249🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdorthy.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c19::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbk-in-f27.1e100.net
A172.253.62.27🇺🇸 Google172.253.62.0/24
PTRbc-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4003:c30::1b🇺🇸 Google2607:f8b0:4003::/48
PTRyutulis-in-f27.1e100.net
A74.125.27.26🇺🇸 Google74.125.27.0/24
PTRyutulis-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4001:c70::1a🇺🇸 Google2607:f8b0:4001::/48
PTRyucbful-in-f26.1e100.net
A192.178.209.26🇺🇸 Google192.178.209.0/24
PTRyucbful-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2607:f8b0:4024:c0d::1b🇺🇸 Google2607:f8b0::/32
PTRmj-in-f27.1e100.net
A192.178.152.26🇺🇸 Google192.178.152.0/24
PTRmj-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2607:f8b0:4023:403::1a🇺🇸 Google2607:f8b0::/32
PTRgg-in-f26.1e100.net
A142.250.96.27🇺🇸 Google142.250.96.0/24
PTRgg-in-f27.1e100.net
TXTv=spf1 include:_spf.google.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.1.219, 172.67.128.24
IPv62606:4700:3033::6815:1db, 2606:4700:3036::ac43:8018
SOAcory.ns.cloudflare.comdns@cloudflare.com serial=2398036288

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1771291435

Same first word

coulb.com

Similar names

clubo.com
coblu.de
clubo.it
lubco.ca
bluoc.co.jp
bulco.dk
clubo.ru
cloub.com.ua
cloub.net
colub.com.tw
oclub.fr
oclub.co
clubo.com.ar
boclu.com
boulc.net
bucol.fr
lubco.com.tr
clubo.net
cublo.net
boucl.com
bulco.com.au
cuobl.com
bluco.es
bulco.com
buloc.com
loucb.com
bulco.be
clubo.org
bucol.com
bluco.de
bluco.com
clubo.luxury
oclub.org
uolbc.com
bulco.bg
blocu.cn
blocu.com
bluco.at
coblu.com
colub.com
oclub.ru
bulco.lu
buloc.fr
oclub.net
boulc.org

DNS History

16 records (11 active, 5 former)

200920112013201520172019202120232025NScory.ns.cloudflare.comdorthy.ns.cloudflare.comns7.rookdns.comns8.rookdns.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.commail.mxproc.commail.replyingback.comA104.21.1.219172.67.128.242606:4700:3033::6815:1db2606:4700:3036::ac43:8018141.8.224.93
●NScory.ns.cloudflare.com2026-03-17 → 2026-03-23 · 3 obs
○ 2017-04-11 01:20:28
● 2026-03-17 21:03:58
● 2026-03-23 13:35:52
●NSdorthy.ns.cloudflare.com2026-03-17 → 2026-03-23 · 3 obs
○ 2017-04-11 01:20:28
● 2026-03-17 21:03:58
● 2026-03-23 13:35:52
○NSns7.rookdns.com2015-08-06 → 2016-06-28 · 5 obs
○ 2008-03-07 07:47:34
● 2015-08-06 20:28:02
● 2016-06-28 04:02:48
○ 2017-04-11 01:20:28
○ 2026-03-23 13:35:52
○NSns8.rookdns.com2015-08-06 → 2016-06-28 · 5 obs
○ 2008-03-07 07:47:34
● 2015-08-06 20:28:02
● 2016-06-28 04:02:48
○ 2017-04-11 01:20:28
○ 2026-03-23 13:35:52
●MXalt1.aspmx.l.google.com2026-03-17 → 2026-03-23 · 3 obs
○ 2017-04-11 01:20:28
● 2026-03-17 21:03:58
● 2026-03-23 13:35:52
●MXalt2.aspmx.l.google.com2026-03-17 → 2026-03-23 · 3 obs
○ 2017-04-11 01:20:28
● 2026-03-17 21:03:58
● 2026-03-23 13:35:52
●MXalt3.aspmx.l.google.com2026-03-17 → 2026-03-23 · 3 obs
○ 2017-04-11 01:20:28
● 2026-03-17 21:03:58
● 2026-03-23 13:35:52
●MXalt4.aspmx.l.google.com2026-03-17 → 2026-03-23 · 3 obs
○ 2017-04-11 01:20:28
● 2026-03-17 21:03:58
● 2026-03-23 13:35:52
●MXaspmx.l.google.com2026-03-17 → 2026-03-23 · 3 obs
○ 2017-04-11 01:20:28
● 2026-03-17 21:03:58
● 2026-03-23 13:35:52
○MXmail.mxproc.com2015-08-06 → 2016-03-01 · 5 obs
○ 2008-03-07 07:47:34
● 2015-08-06 20:28:02
● 2016-03-01 21:29:46
○ 2016-06-28 04:02:48
○ 2026-03-23 13:35:52
○MXmail.replyingback.com2016-06-28 → 2016-06-28 · 4 obs
○ 2016-03-01 21:29:46
● 2016-06-28 04:02:48
○ 2017-04-11 01:20:28
○ 2026-03-23 13:35:52
●A104.21.1.2192026-03-17 → 2026-03-23 · 3 obs
○ 2017-04-11 01:20:28
● 2026-03-17 21:03:58
● 2026-03-23 13:35:52
○A141.8.224.932015-08-06 → 2016-06-28 · 5 obs
○ 2008-03-07 07:47:34
● 2015-08-06 20:28:02
● 2016-06-28 04:02:48
○ 2017-04-11 01:20:28
○ 2026-03-23 13:35:52
●A172.67.128.242026-03-17 → 2026-03-23 · 3 obs
○ 2017-04-11 01:20:28
● 2026-03-17 21:03:58
● 2026-03-23 13:35:52
●A2606:4700:3033::6815:1db2026-03-17 → 2026-03-23 · 3 obs
○ 2017-04-11 01:20:28
● 2026-03-17 21:03:58
● 2026-03-23 13:35:52
●A2606:4700:3036::ac43:80182026-03-17 → 2026-03-23 · 3 obs
○ 2017-04-11 01:20:28
● 2026-03-17 21:03:58
● 2026-03-23 13:35:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
coulb.comcory.ns.cloudflare.com, dorthy.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.93

NS records: cory.ns.cloudflare.com, dorthy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coulb.com (unsigned zone)

⏱️ Timing

Total: 239ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.1.219, 172.67.128.24
AAAA22606:4700:3036::ac43:8018, 2606:4700:3033::6815:1db
NS2cory.ns.cloudflare.com, dorthy.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT1v=spf1 include:_spf.google.com ~all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1cory.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

Four IP numbers are pointed to by coulb.com: 2606:4700:3033::6815:1db, 2606:4700:3036::ac43:8018, 104.21.1.219 and 172.67.128.24.

other host names including navforward.com, njmyz.com, 3x-videos.com, efunweb.com.tw and mail.caylerose.com share IP numbers with coulb.com.

Name Servers

coulb.com is delegated to two name servers cory.ns.cloudflare.com and dorthy.ns.cloudflare.com.

coulb.com shares the same name server setup as other domains, for instance litlhorn.com, newacton-nishi-pavilion.com, intrixcrm.com, 1ab.workers.dev and ns2.intera.si.

coulb.com at least partially shares name servers with other domains, for instance greenwichrestaurantweek.com, classicpiano.co.uk, jinsanzang.com, pavlograd-osvita.org and chatwithsky.com.

these name servers are commonly used alongside rayden.ns.cloudflare.com.

Host names with six IP numbers:

Host name cory.ns.cloudflare.com points to: 2606:4700:58::adf5:3b5d, 2803:f800:50::6ca2:c15d, 2a06:98c1:50::ac40:215d, 108.162.193.93, 172.64.33.93 and 173.245.59.93.

Host name dorthy.ns.cloudflare.com points to: 2606:4700:50::adf5:3af9, 2803:f800:50::6ca2:c0f9, 2a06:98c1:50::ac40:20f9, 108.162.192.249, 172.64.32.249 and 173.245.58.249.

Mail Servers

coulb.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

coulb.com shares some mail servers with other domains, at least partially, for instance pro-meta.org, mibu.es, ns500698.ns500698.ns500759.ns500758.ns500758.ns500736.ns500735.ns500698.ns500735.ns500698.ns500698.ns500708.ns500708.ns500619.ns500652.ns500576.trackreceptor.com, ns500731.ns500742.ns500671.ns500671.ns500742.ns500671.ns500678.ns500671.ns500688.ns500291.ns500153.tenderladiesbz.com and ns500698.ns500759.ns500758.ns500758.ns500698.ns500736.ns500736.ns500735.ns500735.ns500735.ns500735.ns500735.ns500619.ns500686.ns500576.ns500619.trackreceptor.com.

These mail servers are commonly used alongside aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to 2607:f8b0:4004:c19::1b and 172.253.62.27

alt1.aspmx.l.google.com points to 2607:f8b0:4003:c30::1b and 74.125.27.26

alt2.aspmx.l.google.com points to 2607:f8b0:4001:c70::1a and 192.178.209.26

alt3.aspmx.l.google.com points to 2607:f8b0:4024:c0d::1b and 192.178.152.26

alt4.aspmx.l.google.com points to 2607:f8b0:4023:403::1a and 142.250.96.27