istructe.org - dns.ninja

`istructe.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3108::ac42:2854^{🇺🇸 Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3108::ac42:2bac^{🇺🇸 Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.66.40.84^{🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.66.43.172^{🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cleo.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b59^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cleo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c159^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cleo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2159^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cleo.ns.cloudflare.com`
		A	108.162.193.89^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cleo.ns.cloudflare.com`
		A	172.64.33.89^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cleo.ns.cloudflare.com`
		A	173.245.59.89^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cleo.ns.cloudflare.com`
NS	`sue.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a91^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sue.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c091^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sue.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2091^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sue.ns.cloudflare.com`
		A	108.162.192.145^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sue.ns.cloudflare.com`
		A	172.64.32.145^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sue.ns.cloudflare.com`
		A	173.245.58.145^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sue.ns.cloudflare.com`
MX	`istructe-org.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::9^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00601.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::5^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am1pr04cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::c^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr05cu00304.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::f^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00307.inbound.protection.outlook.com`
		A	52.101.68.0^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	52.101.68.32^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00200.inbound.protection.outlook.com`
		A	52.101.73.2^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr07cu00302.inbound.protection.outlook.com`
		A	52.101.73.15^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am9pr04cu00107.inbound.protection.outlook.com`
TXT	`JJr26M38mWK35NX5zeeFGdekc0zCUJFVYG29uiRoZSQN2Sw4jwZrxeCis11+pFq6zbsJoSIZuKiVi...`
TXT	`MS=ms59285838`
TXT	`asv=4749cfd7c8ef5cd9895b91c62b2ff48b`
TXT	`atlassian-domain-verification=8aagECtq5PMLxYzh4qMMaZpqDyBuJ1pYk55WNRYEKoVOFaX...`
TXT	`atlassian-sending-domain-verification=156ae34e-5a72-43f1-b74e-d9aa566d00ed`
TXT	`bw=KDm7pPM8f4XxB7Uf6L71Jb4vFLxP5tSQrdY8Uq3uHOej`
TXT	`cloudflare_dashboard_sso=21c3e084988484e2360a79c94ac4b116`
TXT	`google-site-verification=VwXLg4gddbT7UJJ-bNe9-s8Xy2Mf0mPwRXlrJ3CZiYE`
TXT	`m548ms11j5qlqbcc2tp1c0v0ic`
TXT	`specops-verification-code=ff9d7c10-aa39-4d94-9f34-4e1ddb7d6307`
TXT	`v=spf1 ip4:80.93.168.194/32 ip4:168.245.26.139/32 ip4:204.239.0.224/27 ip4:19...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	172.66.40.84, 172.66.43.172
		IPv6 hints	2606:4700:3108::ac42:2854, 2606:4700:3108::ac42:2bac
SOA	`cleo.ns.cloudflare.com`dns@cloudflare.com serial=2410100629

`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=1785348242

rank #59507 globally
rank #6213 in the tld
WOT: SAFE (63/100)
📈 Tranco rank: #188,613

Subdomains

www.istructe.org

regions.istructe.org

email.istructe.org

Same first word

istructe.org.uk

istructe.org

istructe.co.uk

istructe.ie

istructe.com

Similar names

DNS History

15 records (7 active, 8 former)

●NScleo.ns.cloudflare.com2026-02-21 → 2026-07-29 · 3 obs

○ 2016-12-29 14:03:00
● 2026-02-21 10:19:38
● 2026-07-29 18:47:12

○NSns0.clara.net2015-08-13 → 2016-12-29 · 4 obs

● 2015-08-13 13:33:14
● 2016-12-29 14:03:00
○ 2026-02-21 10:19:38
○ 2026-07-29 18:47:12

○NSns1.clara.net2015-08-13 → 2016-12-29 · 4 obs

● 2015-08-13 13:33:14
● 2016-12-29 14:03:00
○ 2026-02-21 10:19:38
○ 2026-07-29 18:47:12

○NSns2.clara.net2015-08-13 → 2016-12-29 · 4 obs

● 2015-08-13 13:33:14
● 2016-12-29 14:03:00
○ 2026-02-21 10:19:38
○ 2026-07-29 18:47:12

●NSsue.ns.cloudflare.com2026-02-21 → 2026-07-29 · 3 obs

○ 2016-12-29 14:03:00
● 2026-02-21 10:19:38
● 2026-07-29 18:47:12

○MXeu-smtp-inbound-1.mimecast.com2016-03-30 → 2016-12-29 · 5 obs

○ 2015-12-29 16:29:04
● 2016-03-30 14:21:06
● 2016-12-29 14:03:00
○ 2026-02-21 10:19:38
○ 2026-07-29 18:47:12

○MXeu-smtp-inbound-2.mimecast.com2016-03-30 → 2016-12-29 · 5 obs

○ 2015-12-29 16:29:04
● 2016-03-30 14:21:06
● 2016-12-29 14:03:00
○ 2026-02-21 10:19:38
○ 2026-07-29 18:47:12

●MXistructe-org.mail.protection.outlook.com2026-02-21 → 2026-07-29 · 3 obs

○ 2016-12-29 14:03:00
● 2026-02-21 10:19:38
● 2026-07-29 18:47:12

○MXistructe.org.bak-mx.uk0104.smtpbak.com2015-08-13 → 2015-12-29 · 4 obs

● 2015-08-13 13:33:14
● 2015-12-29 16:29:04
○ 2016-03-30 14:21:06
○ 2026-07-29 18:47:12

○MXistructe.org.pri-mx.uk0104.smtproutes.com2015-08-13 → 2015-12-29 · 4 obs

● 2015-08-13 13:33:14
● 2015-12-29 16:29:04
○ 2016-03-30 14:21:06
○ 2026-07-29 18:47:12

●A172.66.40.842026-02-21 → 2026-07-29 · 3 obs

○ 2016-12-29 14:03:00
● 2026-02-21 10:19:38
● 2026-07-29 18:47:12

●A172.66.43.1722026-02-21 → 2026-07-29 · 3 obs

○ 2016-12-29 14:03:00
● 2026-02-21 10:19:38
● 2026-07-29 18:47:12

●A2606:4700:3108::ac42:28542026-02-21 → 2026-07-29 · 3 obs

○ 2016-12-29 14:03:00
● 2026-02-21 10:19:38
● 2026-07-29 18:47:12

●A2606:4700:3108::ac42:2bac2026-02-21 → 2026-07-29 · 3 obs

○ 2016-12-29 14:03:00
● 2026-02-21 10:19:38
● 2026-07-29 18:47:12

○A64.18.195.1322015-08-13 → 2016-12-29 · 4 obs

● 2015-08-13 13:33:14
● 2016-12-29 14:03:00
○ 2026-02-21 10:19:38
○ 2026-07-29 18:47:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
istructe.org	sue.ns.cloudflare.com, cleo.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.145

NS records: sue.ns.cloudflare.com, cleo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for istructe.org (unsigned zone)

⏱️ Timing

Total: 2075ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.66.43.172, 172.66.40.84`
AAAA	2	`2606:4700:3108::ac42:2854, 2606:4700:3108::ac42:2bac`
NS	2	`cleo.ns.cloudflare.com, sue.ns.cloudflare.com`
MX	1	`istructe-org.mail.protection.outlook.com`
TXT	11	`JJr26M38mWK35NX5zeeFGdekc0zCUJFVYG29uiRo, MS=ms59285838...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cleo.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

www.istructe.org, regions.istructe.org and email.istructe.org each fall under the parent domain istructe.org.

IP Addresses

istructe.org resolves to four IP addresses: 172.66.40.84, 172.66.43.172, 2606:4700:3108::ac42:2854 and 2606:4700:3108::ac42:2bac.

www.onlineshoppingtools.com, download.maxprog.com, blog.alternativeto.net plus two other host names have IP numbers in common with istructe.org.

Name Servers

istructe.org is delegated to two name servers: cleo.ns.cloudflare.com and sue.ns.cloudflare.com.

The name server configuration of istructe.org is shared with other domains, for instance itstime.com, alvillaromantica.com, tatufoto.com and two others.

istructe.org partially shares its NS delegation with several other domains, including secretservice.in, critique-negative.com, forge.cam and two others.

These name servers often co-occur with the name servers nile.ns.cloudflare.com.

Hosts with 6 IP addresses each:

cleo.ns.cloudflare.com resolves to 108.162.193.89, 172.64.33.89, 173.245.59.89 and 3 other IP addresses.

sue.ns.cloudflare.com resolves to 108.162.192.145, 172.64.32.145, 173.245.58.145 and 3 other IP addresses.

Mail Servers

istructe.org uses one mail server — istructe-org.mail.protection.outlook.com.

istructe-org.mail.protection.outlook.com has 8 IP addresses: 52.101.68.0, 52.101.68.32, 52.101.73.2 plus 5 more.