`cul.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:a964^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:576e^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.87.110^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.169.100^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ned.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bd2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ned.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1d2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ned.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21d2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ned.ns.cloudflare.com`
		A	108.162.193.210^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ned.ns.cloudflare.com`
		A	172.64.33.210^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ned.ns.cloudflare.com`
		A	173.245.59.210^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ned.ns.cloudflare.com`
NS	`sky.ns.cloudflare.com`
		A	2606:4700:50::a29f:2602^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sky.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c202^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sky.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2202^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sky.ns.cloudflare.com`
		A	108.162.194.2^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sky.ns.cloudflare.com`
		A	162.159.38.2^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sky.ns.cloudflare.com`
		A	172.64.34.2^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sky.ns.cloudflare.com`
MX	`cul-org.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c91d::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-mw2pr04cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:c927::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn6pr21cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch4pr04cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:f90d::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sn1pr0501cu00301.inbound.protection.outlook.com`
		A	52.101.8.44^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dm5pr04cu00104.inbound.protection.outlook.com`
		A	52.101.9.20^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl0pr02cu00604.inbound.protection.outlook.com`
		A	52.101.41.6^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr03cu01406.inbound.protection.outlook.com`
		A	52.101.41.54^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj2pr05cu00506.inbound.protection.outlook.com`
TXT	`MS=ms64610847`
TXT	`_globalsign-domain-verification=CESvRD5INAFDaRBC3lN4jdU6o2htcwwoX5o8TJjufy`
TXT	`apple-domain-verification=0DgbivaI86N3Y8RT`
TXT	`v=spf1 include:spf.dynect.net include:spf.protection.outlook.com include:spf....`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.87.110, 172.67.169.100
		IPv6 hints	2606:4700:3030::ac43:a964, 2606:4700:3034::6815:576e
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=168, name=cloudflare-ech.com
SOA	`ned.ns.cloudflare.com`dns@cloudflare.com serial=2401264071

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1775930866

WOT: SAFE (68/100)

Subdomains

www.cul.org

mail.cul.org

Same first word

cul.mx

cul.red

cul.pl

cul.de

cul.partners

cul.biz

cul.tv

cul.ir

cul.gr

cul.co

cul.org

cul.co.kr

cul.me

cul.nu

cul.cz

cul.lu

cul.com.cn

cul.kr

cul.at

cul.com.ua

cul.com.sg

cul.info

cul.eu

cul.ru

cul.fr

cul.cn

cul.net

cul.com

Similar names

clu.com.au

ulc.co.za

ulc.by

clu.ch

luc.vg

luc.cz

ulc.me

luc.edu

ucl.de

ucl.lk

clu.com.tw

luc.ca

lcu.edu.lb

ulc.ca

ucl.it

ucl.jp

ulc.de

ucl.sk

ucl.kiev.ua

ulc.nyc

luc.me

ulc.ir

luc.es

ucl.nl

luc.ovh

ucl.eu

luc.sk

luc.pt

ulc.go.ug

ulc.cc

lcu.education

ucl.com.au

ucl.co.ke

ucl.ca

ulc.com.ar

ulc.com

luc.com

luc.si

clu.pl

clu.edu

clu.nl

ulc.eu

ulc.vn

ulc.com.sg

lcu.no

ucl.pt

ulc.com.tr

ulc.co.jp

ulc.ly

ucl.edu.pk

ulc.co.in

luc.ir

ucl.or.th

lcu.net

ulc.pl

ucl.co.za

ulc.edu.pe

ucl.es

lcu.edu.vn

lcu.com.tw

ucl.be

ulc.jp

ucl.net

luc.it

ucl.bg

luc.nl

ucl.today

clu.gov.lb

luc.gr

luc.com.au

clu.bz

luc.in

ucl.ac.uk

clu.fr

ulc.se

lcu.org

ucl.hk

lcu.com.au

luc.lu

luc.net

clu.at

ucl.me

clu.net

ucl.com.tw

ucl.com.ua

lcu.edu.cn

DNS History

17 records (7 active, 10 former)

●NSned.ns.cloudflare.com2026-02-17 → 2026-04-11 · 3 obs

○ 2017-07-03 10:15:06
● 2026-02-17 14:02:34
● 2026-04-11 18:40:18

○NSns1.jadeinc.com2008-02-07 → 2008-02-07 · 3 obs

● 2008-02-07 06:36:16
○ 2015-07-20 14:09:44
○ 2026-04-11 18:40:18

○NSns1.worldnic.com2015-07-20 → 2017-07-03 · 5 obs

○ 2008-02-07 06:36:16
● 2015-07-20 14:09:44
● 2017-07-03 10:15:06
○ 2026-02-17 14:02:34
○ 2026-04-11 18:40:18

○NSns2.jadeinc.com2008-02-07 → 2008-02-07 · 3 obs

● 2008-02-07 06:36:16
○ 2015-07-20 14:09:44
○ 2026-04-11 18:40:18

○NSns2.worldnic.com2015-07-20 → 2017-07-03 · 5 obs

○ 2008-02-07 06:36:16
● 2015-07-20 14:09:44
● 2017-07-03 10:15:06
○ 2026-02-17 14:02:34
○ 2026-04-11 18:40:18

●NSsky.ns.cloudflare.com2026-02-17 → 2026-04-11 · 3 obs

○ 2017-07-03 10:15:06
● 2026-02-17 14:02:34
● 2026-04-11 18:40:18

●MXcul-org.mail.protection.outlook.com2015-07-20 → 2026-04-11 · 3 obs

○ 2008-02-07 06:36:16
● 2015-07-20 14:09:44
● 2026-04-11 18:40:18

○MXmail.cul.org2008-02-07 → 2008-02-07 · 3 obs

● 2008-02-07 06:36:16
○ 2015-07-20 14:09:44
○ 2026-04-11 18:40:18

●A104.21.87.1102026-02-17 → 2026-04-11 · 17 obs

○ 2017-07-03 10:15:06
● 2026-02-17 14:02:34
● 2026-02-19 22:55:04
○ 2026-02-20 11:00:30
● 2026-02-20 15:01:04
● 2026-03-12 18:49:52
○ 2026-03-13 02:31:24
● 2026-03-13 23:45:32
● 2026-03-15 02:34:58
○ 2026-03-15 03:55:00
● 2026-03-15 08:52:58
○ 2026-03-15 20:46:38
● 2026-03-16 01:17:32
● 2026-03-16 07:53:26
○ 2026-03-16 08:48:44
● 2026-03-16 21:28:06
● 2026-04-11 18:40:18

○A172.64.80.12026-02-20 → 2026-03-16 · 15 obs

○ 2026-02-19 22:55:04
● 2026-02-20 11:00:30
○ 2026-02-20 15:01:04
○ 2026-03-12 18:49:52
● 2026-03-13 02:31:24
○ 2026-03-13 23:45:32
○ 2026-03-15 02:34:58
● 2026-03-15 03:55:00
○ 2026-03-15 08:52:58
● 2026-03-15 20:46:38
○ 2026-03-16 01:17:32
○ 2026-03-16 07:53:26
● 2026-03-16 08:48:44
○ 2026-03-16 21:28:06
○ 2026-04-11 18:40:18

●A172.67.169.1002026-02-17 → 2026-04-11 · 17 obs

○A2606:4700:130:436c:6f75:6466:6c61:72652026-02-20 → 2026-03-16 · 13 obs

○ 2026-02-19 22:55:04
● 2026-02-20 11:00:30
○ 2026-02-20 15:01:04
○ 2026-03-12 18:49:52
● 2026-03-13 02:31:24
○ 2026-03-13 23:45:32
○ 2026-03-15 02:34:58
● 2026-03-15 03:55:00
○ 2026-03-15 08:52:58
○ 2026-03-16 07:53:26
● 2026-03-16 08:48:44
○ 2026-03-16 21:28:06
○ 2026-04-11 18:40:18

●A2606:4700:3030::ac43:a9642026-02-17 → 2026-04-11 · 15 obs

○ 2017-07-03 10:15:06
● 2026-02-17 14:02:34
● 2026-02-19 22:55:04
○ 2026-02-20 11:00:30
● 2026-02-20 15:01:04
● 2026-03-12 18:49:52
○ 2026-03-13 02:31:24
● 2026-03-13 23:45:32
● 2026-03-15 02:34:58
○ 2026-03-15 03:55:00
● 2026-03-15 08:52:58
● 2026-03-16 07:53:26
○ 2026-03-16 08:48:44
● 2026-03-16 21:28:06
● 2026-04-11 18:40:18

●A2606:4700:3034::6815:576e2026-02-17 → 2026-04-11 · 15 obs

○ 2017-07-03 10:15:06
● 2026-02-17 14:02:34
● 2026-02-19 22:55:04
○ 2026-02-20 11:00:30
● 2026-02-20 15:01:04
● 2026-03-12 18:49:52
○ 2026-03-13 02:31:24
● 2026-03-13 23:45:32
● 2026-03-15 02:34:58
○ 2026-03-15 03:55:00
● 2026-03-15 08:52:58
● 2026-03-16 07:53:26
○ 2026-03-16 08:48:44
● 2026-03-16 21:28:06
● 2026-04-11 18:40:18

○A65.39.205.542015-07-20 → 2016-08-22 · 5 obs

○ 2008-02-07 06:36:16
● 2015-07-20 14:09:44
● 2016-08-22 06:33:40
○ 2016-11-30 03:14:24
○ 2026-04-11 18:40:18

○A67.43.4.292016-11-30 → 2017-07-03 · 5 obs

○ 2016-08-22 06:33:40
● 2016-11-30 03:14:24
● 2017-07-03 10:15:06
○ 2026-02-17 14:02:34
○ 2026-04-11 18:40:18

○A69.46.64.1002008-02-07 → 2008-02-07 · 3 obs

● 2008-02-07 06:36:16
○ 2015-07-20 14:09:44
○ 2026-04-11 18:40:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
cul.org	sky.ns.cloudflare.com, ned.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.210

NS records: sky.ns.cloudflare.com, ned.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cul.org (unsigned zone)

⏱️ Timing

Total: 1078ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.169.100, 104.21.87.110`
AAAA	2	`2606:4700:3030::ac43:a964, 2606:4700:3034::6815:576e`
NS	2	`ned.ns.cloudflare.com, sky.ns.cloudflare.com`
MX	1	`cul-org.mail.protection.outlook.com (pri`
TXT	4	`MS=ms64610847, _globalsign-domain-verification=CESvRD5I...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ned.ns.cloudflare.com dns.cloudflare.com`

Analysis

Hierarchy

cul.org is a parent of www.cul.org and mail.cul.org.

IP Addresses

cul.org resolves to four IPs: 2606:4700:3030::ac43:a964, 2606:4700:3034::6815:576e, 104.21.87.110 and 172.67.169.100.

Other host names such as votre-avis-voyages-sncf.com, www.rn.sumy.ua, rn.sumy.ua, coupa.co.il and photoshoponline.tv share IP numbers with cul.org.

Name Servers

cul.org is delegated to two name servers: ned.ns.cloudflare.com and sky.ns.cloudflare.com.

cul.org uses the same name server setup as other domains, including chaftari.com, maryhaven.com, assemble.biz, fumrqa.shop and vanquishrc.com.

At least part of the name servers for cul.org are shared with other domains, for instance insanluis.com, yfaming.com, ww-travel.com, xxhyst.com and visionspot.ca.

These name servers are commonly used alongside josephine.ns.cloudflare.com and kyree.ns.cloudflare.com.

Host names with six IP numbers:

ned.ns.cloudflare.com points to: 2606:4700:58::adf5:3bd2, 2803:f800:50::6ca2:c1d2, 2a06:98c1:50::ac40:21d2, 108.162.193.210, 172.64.33.210 and 173.245.59.210.

sky.ns.cloudflare.com points to: 2606:4700:50::a29f:2602, 2803:f800:50::6ca2:c202, 2a06:98c1:50::ac40:2202, 108.162.194.2, 162.159.38.2 and 172.64.34.2.

Mail Servers

The mail server for cul.org is cul-org.mail.protection.outlook.com.

cul-org.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c91d::, 2a01:111:f403:c927::, 2a01:111:f403:c946::2, 2a01:111:f403:f90d::1, 52.101.8.44, 52.101.9.20, 52.101.41.6 and 52.101.41.54.

cul.org - robtex.com

cul.org

org

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`cul.org`

`org`