`isup.us`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:a0bd^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:ee5^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.14.229^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.160.189^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`emerson.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c60^{Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	2803:f800:50::6ca2:c360^{Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
		A	2a06:98c1:50::ac40:2360^{Cloudflare2a06:98c1:50::/45}
		A	108.162.195.96^{Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.44.96^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.35.96^{Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`rita.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a8c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rita.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c08c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rita.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:208c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rita.ns.cloudflare.com`
		A	108.162.192.140^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rita.ns.cloudflare.com`
		A	172.64.32.140^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rita.ns.cloudflare.com`
		A	173.245.58.140^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rita.ns.cloudflare.com`
MX	`route3.mx.cloudflare.net` ⭐
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁶⁷⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁹²⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.14.229, 172.67.160.189
		IPv6 hints	2606:4700:3035::ac43:a0bd, 2606:4700:3036::6815:ee5
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=48, name=cloudflare-ech.com
SOA	`emerson.ns.cloudflare.com`dns@cloudflare.com serial=2407367936

`us`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.cctld.us` ⭐
	NS	`b.cctld.us`
	NS	`f.cctld.us`
	NS	`k.cctld.us`
	NS	`m.cctld.us`
	NS	`n.cctld.us`
	NS	`w.cctld.us`
	NS	`x.cctld.us`
	NS	`y.cctld.us`
	SOA	`a.cctld.us`admin@tldns.godaddy serial=1783303858

Same first word

isup.eu

isup.me

isup.at

isup.li

isup.be

isup.info

isup.sk

isup.io

isup.de

isup.us

isup.gr

isup.ws

isup.com

isup.net

isup.nl

isup.co.il

isup.cz

isup.org

isup.ru

isup.dk

isup.ro

isup.co

isup.online

isup.co.ao

isup.page

isup.jp

Similar names

ispu.cn

ipus.cn

sipu.org

upis.net

sipu.com

ipus.ch

pusi.me

upis.co.kr

pius.se

pisu.it

pusi.com

upsi.org

spui.com

ipus.eu

pius.com.br

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uips.online

supi.de

supi.com

puis.cn

upis.br

pisu.ru

iups.net

usip.cn

ispu.de

usip.us

suip.ru

pusi.net

siup.ac.ug

uspi.eu

uips.in

suip.ch

pisu.cn

uisp.net

siup.ru

uisp.co

pius.com

usip.com.cn

supi.cz

supi.eu

ipsu.cn

pisu.net

uspi.de

uips.rs

ispu.eu

upsi.edu.my

iups.com.cn

supi.ru

supi.sk

sipu.se

pius.de

pius.hu

psiu.de

uisp.com

ipsu.lt

sipu.ru

supi.org

ipus.co.kr

puis.org

pisu.de

psiu.com

uips.net

uspi.jp

iusp.cn

spui.de

iups.de

uips.co.in

upis.nl

upsi.my

suip.cl

ipus.com

sipu.fr

spiu.com

supi.pl

iusp.net

uisp.xyz

upis.ru

usip.de

ispu.us

siup.com

upis.at

uspi.us

spui.net

ipus.de

uisp.it

upsi.be

usip.ca

pius.be

pusi.eu

ipus.org

upis.lv

DNS History

16 records (9 active, 7 former)

●NSemerson.ns.cloudflare.com2026-06-09 → 2026-07-06 · 3 obs

○ 2018-01-09 13:27:06
● 2026-06-09 08:29:30
● 2026-07-06 02:17:10

○NSns05.domaincontrol.com2015-11-09 → 2016-05-04 · 4 obs

● 2015-11-09 14:57:34
● 2016-05-04 07:52:20
○ 2018-01-09 13:27:06
○ 2026-07-06 02:17:10

○NSns06.domaincontrol.com2015-11-09 → 2016-05-04 · 4 obs

● 2015-11-09 14:57:34
● 2016-05-04 07:52:20
○ 2018-01-09 13:27:06
○ 2026-07-06 02:17:10

●NSrita.ns.cloudflare.com2026-06-09 → 2026-07-06 · 3 obs

○ 2018-01-09 13:27:06
● 2026-06-09 08:29:30
● 2026-07-06 02:17:10

○MXmailstore1.secureserver.net2015-11-09 → 2016-05-04 · 4 obs

● 2015-11-09 14:57:34
● 2016-05-04 07:52:20
○ 2018-01-09 13:27:06
○ 2026-07-06 02:17:10

●MXroute1.mx.cloudflare.net2026-06-09 → 2026-07-06 · 3 obs

○ 2018-01-09 13:27:06
● 2026-06-09 08:29:30
● 2026-07-06 02:17:10

●MXroute2.mx.cloudflare.net2026-06-09 → 2026-07-06 · 3 obs

○ 2018-01-09 13:27:06
● 2026-06-09 08:29:30
● 2026-07-06 02:17:10

●MXroute3.mx.cloudflare.net2026-06-09 → 2026-07-06 · 3 obs

○ 2018-01-09 13:27:06
● 2026-06-09 08:29:30
● 2026-07-06 02:17:10

○MXsmtp.secureserver.net2015-11-09 → 2016-05-04 · 4 obs

● 2015-11-09 14:57:34
● 2016-05-04 07:52:20
○ 2018-01-09 13:27:06
○ 2026-07-06 02:17:10

●A104.21.14.2292026-06-09 → 2026-07-06 · 3 obs

○ 2018-01-09 13:27:06
● 2026-06-09 08:29:30
● 2026-07-06 02:17:10

●A172.67.160.1892026-06-09 → 2026-07-06 · 3 obs

○ 2018-01-09 13:27:06
● 2026-06-09 08:29:30
● 2026-07-06 02:17:10

○A184.168.221.12015-11-09 → 2016-05-04 · 4 obs

● 2015-11-09 14:57:34
● 2016-05-04 07:52:20
○ 2018-01-09 13:27:06
○ 2026-07-06 02:17:10

○A2606:4700:3031::ac43:a0bd2026-06-09 → 2026-06-15 · 5 obs

○ 2018-01-09 13:27:06
● 2026-06-09 08:29:30
● 2026-06-15 13:43:08
○ 2026-06-23 20:02:12
○ 2026-07-06 02:17:10

○A2606:4700:3035::6815:ee52026-06-09 → 2026-06-15 · 5 obs

○ 2018-01-09 13:27:06
● 2026-06-09 08:29:30
● 2026-06-15 13:43:08
○ 2026-06-23 20:02:12
○ 2026-07-06 02:17:10

●A2606:4700:3035::ac43:a0bd2026-06-23 → 2026-07-06 · 3 obs

○ 2026-06-15 13:43:08
● 2026-06-23 20:02:12
● 2026-07-06 02:17:10

●A2606:4700:3036::6815:ee52026-06-23 → 2026-07-06 · 3 obs

○ 2026-06-15 13:43:08
● 2026-06-23 20:02:12
● 2026-07-06 02:17:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	b.cctld.us, n.cctld.us, x.cctld.us, w.cctld.us...	16 records
isup.us	rita.ns.cloudflare.com, emerson.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.96

NS records: rita.ns.cloudflare.com, emerson.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for isup.us (unsigned zone)

⏱️ Timing

Total: 1710ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.14.229, 172.67.160.189`
AAAA	2	`2606:4700:3035::ac43:a0bd, 2606:4700:3036::6815:ee5`
NS	2	`emerson.ns.cloudflare.com, rita.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 61), route2.mx.cloudflare.net (pri: 67)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`emerson.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 16

In-bailiwick: 16 (b.cctld.us, f.cctld.us, k.cctld.us...)

Analysis

IP Addresses

isup.us resolves to four IP addresses: 104.21.14.229, 172.67.160.189, 2606:4700:3035::ac43:a0bd and 2606:4700:3036::6815:ee5.

www.e-lab.lt, datube.org, private.account-spg.com plus two other host names have IP numbers in common with isup.us.

Name Servers

The NS records for isup.us delegate to emerson.ns.cloudflare.com and rita.ns.cloudflare.com.

The name server configuration of isup.us is shared with other domains, for instance musicpul(0x736578).com, schmidtholidays.com, switchtoolsco.com and two others.

isup.us shares at least some of its name servers with other domains, including 9910010.com, thetennesseelife.com, onetsolutions.eu and two others.

These name servers are frequently paired with the name servers nia.ns.cloudflare.com, liv.ns.cloudflare.com and colette.ns.cloudflare.com.

Hosts with 6 IP addresses each:

emerson.ns.cloudflare.com maps to 108.162.195.96, 162.159.44.96, 172.64.35.96 and 3 additional IP addresses.

rita.ns.cloudflare.com maps to 108.162.192.140, 172.64.32.140, 173.245.58.140 and 3 additional IP addresses.

Mail Servers

isup.us is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

At least some of the mail servers used by isup.us are shared with other domains: tiba-managementberatung.de, karamatli.com, adopty.es and two others among them.

Hosts with 6 IP addresses each:

route1.mx.cloudflare.net maps to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 additional IP addresses.

route2.mx.cloudflare.net maps to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 additional IP addresses.

route3.mx.cloudflare.net maps to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 additional IP addresses.

isup.us - robtex.com

isup.us

us

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`isup.us`

`us`