`vui.cr`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:8753^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:6dd^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.6.221^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.135.83^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`darwin.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b97^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darwin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c197^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`darwin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2197^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`darwin.ns.cloudflare.com`
		A	108.162.193.151^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darwin.ns.cloudflare.com`
		A	172.64.33.151^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darwin.ns.cloudflare.com`
		A	173.245.59.151^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darwin.ns.cloudflare.com`
NS	`nelci.ns.cloudflare.com`
		A	2606:4700:50::a29f:2698^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelci.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c298^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nelci.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2298^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nelci.ns.cloudflare.com`
		A	108.162.194.152^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelci.ns.cloudflare.com`
		A	162.159.38.152^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelci.ns.cloudflare.com`
		A	172.64.34.152^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelci.ns.cloudflare.com`
MX	`vui-cr.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c901::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl2pr04cu00201.inbound.protection.outlook.com`
		A	2a01:111:f403:c903::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-mw2pr02cu00503.inbound.protection.outlook.com`
		A	2a01:111:f403:f908::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn1pr21cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:f913::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-cy1pr03cu00100.inbound.protection.outlook.com`
		A	52.101.8.51^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dm1pr04cu00203.inbound.protection.outlook.com`
		A	52.101.10.5^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn6pr04cu00105.inbound.protection.outlook.com`
		A	52.101.11.17^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr0501cu00301.inbound.protection.outlook.com`
		A	52.101.41.3^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj2pr05cu00103.inbound.protection.outlook.com`
TXT	`JS36C+QSylGlSN2L+eeGTrLsTVvCQDGzZCE3fE6Y0x4=`
TXT	`KNTjbvySW3iuduOmo475bSY2Xuu6p1bBkD4el3sUQbA=`
TXT	`MS=ms20106234`
TXT	`PVuOr7Sn7b8Ne3Een28oJWN7TQusSxK55dwVI8HfEfA=`
TXT	`YjdVMVkjMF3+3HL1EXS6wpiKGLWYkZI1JmSSltb3nsQ=`
TXT	`_globalsign-domain-verification=bqu2cINxAHiFLq4y4Kye1pS_cSBHGwjngSYPYCKqgF`
TXT	`cd9t3k7o9iq1enriv4ptpckbo1`
TXT	`dd1bi2odtu7d387lq3o7p6u42e`
TXT	`f/GQiovmOcP5GVzaotyy2AIANO41fa09jMTcmm60HEk=`
TXT	`flf8vgb5ejfrg8khr35v855i1l`
TXT	`google-site-verification=-o3-LtpVlZ0tAknZR3_nXinmjctKXne5UYUE2PCO6-s`
TXT	`google-site-verification=qah_M958VCHg3njsnt-ug5RGuUQOFZ4sP10AVJr2C3U`
TXT	`v=spf1 include:spf.protection.outlook.com include:sendgrid.net -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.6.221, 172.67.135.83
		IPv6	2606:4700:3033::ac43:8753, 2606:4700:3036::6815:6dd
SOA	`darwin.ns.cloudflare.com`dns@cloudflare.com serial=2399400900

`cr`

	DNSSEC	🔒 Signed (DS record present)
	NS	`dns.nic.cr` ⭐
	NS	`a.lactld.org` ⚠️ Not in parent delegation
	NS	`ca1.nic.cr`
	NS	`ca2.nic.cr`
	NS	`de.nic.cr`
	NS	`p.nic.cr`
	SOA	`dns.nic.cr`ti@nic.cr serial=1774547104

Subdomains

portal.vui.cr

Same first word

vui.com.br

vui.co

vui.at

vui.com.cn

vui.cn

vui.ro

vui.agency

vui.me

vui.edu.vn

vui.ru

vui.biz

vui.de

vui.org

vui.kr

vui.com.vn

vui.pl

vui.vn

vui.com

vui.se

vui.ca

vui.tv

vui.house

vui.eu

vui.cool

vui.nl

vui.us

vui.be

vui.cr

vui.in

vui.fr

vui.net

vui.cz

Similar names

ivu.fi

viu.mobi

ivu.pt

uvi.it

uvi.net

viu.edu.vn

iuv.no

uvi.de

viu.rs

uvi.co.il

uvi.nl

iuv.co.uk

iuv.be

iuv.edu.mx

uvi.se

viu.es

viu.ca

viu.vn

viu.pl

ivu.co.za

uvi.com

uvi.biz

iuv.dk

uvi.fi

iuv.ca

uvi.hr

uvi.org

ivu.com.cn

iuv.edu.ar

viu.me

ivu.ca

uvi.ca

viu.kr

viu.careers

ivu.com

iuv.it

ivu.co.il

uvi.be

viu.cat

viu.co

iuv.eu

viu.to

ivu.bg

ivu.ch

ivu.it

iuv.org

uiv.in

uiv.org

iuv.fr

ivu.nl

uvi.si

uvi.no

ivu.fr

iuv.at

iuv.vn

ivu.cc

viu.co.id

uvi.cz

viu.net

ivu.in

ivu.cz

viu.se

uiv.dk

viu.nyc

uvi.pl

ivu.tv

viu.be

uvi.ltd

ivu.me

ivu.org

viu.com.ar

ivu.gmbh

uiv.it

uvi.us

uiv.com

viu.my

uvi.ru

iuv.in

uvi.es

viu.com

ivu.ru

ivu.info

viu.no

iuv.com

uiv.ca

uvi.co

ivu.co.uk

viu.id

viu.tv

uiv.de

uiv.cz

uiv.co.uk

viu.info

ivu.de

uvi.edu

viu.vc

ivu.be

viu.org.cn

uiv.co

viu.net.cn

ivu.com.es

viu.mx

ivu.ro

viu.lk

uiv.net

viu.fr

viu.cl

viu.us

ivu.co

iuv.kr

viu.de

iuv.edu.vn

viu.cool

iuv.nl

uvi.tw

uvi.com.au

ivu.dk

viu.ch

ivu.at

viu.fi

ivu.cl

iuv.ru

iuv.de

uiv.at

uiv.be

iuv.pw

iuv.es

viu.it

iuv.ch

ivu.pl

viu.am

uvi.com.tw

uvi.co.id

ivu.is

iuv.ltd

viu.li

DNS History

8 records (7 active, 1 former)

●NSdarwin.ns.cloudflare.com2026-03-07 → 2026-03-26 · 2 obs

● 2026-03-07 12:06:32
● 2026-03-26 17:58:06

●NSnelci.ns.cloudflare.com2026-03-07 → 2026-03-26 · 2 obs

● 2026-03-07 12:06:32
● 2026-03-26 17:58:06

●MXvui-cr.mail.protection.outlook.com2026-03-07 → 2026-03-26 · 2 obs

● 2026-03-07 12:06:32
● 2026-03-26 17:58:06

●A104.21.6.2212026-03-07 → 2026-03-26 · 4 obs

● 2026-03-07 12:06:32
○ 2026-03-20 19:57:16
● 2026-03-26 17:58:04
● 2026-03-26 17:58:06

○A172.64.80.12026-03-20 → 2026-03-20 · 4 obs

○ 2026-03-07 12:06:32
● 2026-03-20 19:57:16
○ 2026-03-26 17:58:04
○ 2026-03-26 17:58:06

●A172.67.135.832026-03-07 → 2026-03-26 · 4 obs

● 2026-03-07 12:06:32
○ 2026-03-20 19:57:16
● 2026-03-26 17:58:04
● 2026-03-26 17:58:06

●A2606:4700:3033::ac43:87532026-03-07 → 2026-03-26 · 2 obs

● 2026-03-07 12:06:32
● 2026-03-26 17:58:06

●A2606:4700:3036::6815:6dd2026-03-07 → 2026-03-26 · 2 obs

● 2026-03-07 12:06:32
● 2026-03-26 17:58:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cr	dns.nic.cr, a.lactld.org, p.nic.cr, de.nic.cr...	12 records
vui.cr	nelci.ns.cloudflare.com, darwin.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.151

NS records: nelci.ns.cloudflare.com, darwin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for vui.cr (unsigned zone)

⏱️ Timing

Total: 828ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.135.83, 104.21.6.221`
AAAA	2	`2606:4700:3036::6815:6dd, 2606:4700:3033::ac43:8753`
NS	2	`darwin.ns.cloudflare.com, nelci.ns.cloudflare.com`
MX	1	`vui-cr.mail.protection.outlook.com (pri:`
TXT	13	`JS36C+QSylGlSN2L+eeGTrLsTVvCQDGzZCE3fE6Y, KNTjbvySW3iuduOmo475bSY2Xuu6p1bBkD4el3sU...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`darwin.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

In-bailiwick: 10 (dns.nic.cr, ca2.nic.cr, ca1.nic.cr...)

Out-of-bailiwick: 2 (a.lactld.org, a.lactld.org)

Analysis

Hierarchy

vui.cr is the parent of portal.vui.cr.

IP Addresses

Four IP numbers are pointed to by vui.cr: 2606:4700:3033::ac43:8753, 2606:4700:3036::6815:6dd, 104.21.6.221 and 172.67.135.83.

other host names including www.bom.dk, huntrealtyassociates.com, www.cuongthinhphatland.com, mine-exchangee.com and polarbearcanada.ca share IP numbers with vui.cr.

Name Servers

vui.cr is delegated to two name servers darwin.ns.cloudflare.com and nelci.ns.cloudflare.com.

vui.cr shares the same name server setup as other domains, for instance vuce.cr, exquisitebynaturecr.com, procomer.com, healthcarecostarica.com and btmcr.com.

vui.cr at least partially shares name servers with other domains, for instance qfma.com, platformcrm.com, doktorpaneli.com, kissmyuptime.com and 147oo.com.

These name servers are commonly used with fattouche.ns.cloudflare.com, kia.ns.cloudflare.com and arushi.ns.cloudflare.com.

Host names with six IP numbers:

Host name darwin.ns.cloudflare.com points to: 2606:4700:58::adf5:3b97, 2803:f800:50::6ca2:c197, 2a06:98c1:50::ac40:2197, 108.162.193.151, 172.64.33.151 and 173.245.59.151.

Host name nelci.ns.cloudflare.com points to: 2606:4700:50::a29f:2698, 2803:f800:50::6ca2:c298, 2a06:98c1:50::ac40:2298, 108.162.194.152, 162.159.38.152 and 172.64.34.152.

Mail Servers

vui.cr is handled by a single mail server, vui-cr.mail.protection.outlook.com.

Host vui-cr.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c901::1, 2a01:111:f403:c903::3, 2a01:111:f403:f908::, 2a01:111:f403:f913::, 52.101.8.51, 52.101.10.5, 52.101.11.17 and 52.101.41.3.

vui.cr - robtex.com

vui.cr

cr

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`vui.cr`

`cr`