instu.com - dns.ninja

`instu.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:ca71^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:5aa0^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.90.160^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.202.113^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`clayton.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2ce2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clayton.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3e2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`clayton.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23e2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`clayton.ns.cloudflare.com`
		A	108.162.195.226^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clayton.ns.cloudflare.com`
		A	162.159.44.226^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clayton.ns.cloudflare.com`
		A	172.64.35.226^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clayton.ns.cloudflare.com`
NS	`melany.ns.cloudflare.com`
		A	2606:4700:50::a29f:268a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melany.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c28a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`melany.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:228a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`melany.ns.cloudflare.com`
		A	108.162.194.138^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melany.ns.cloudflare.com`
		A	162.159.38.138^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melany.ns.cloudflare.com`
		A	172.64.34.138^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melany.ns.cloudflare.com`
MX	`instu-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca0b::^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo2p265cu02300.inbound.protection.outlook.com`
		A	2a01:111:f403:ca0b::2^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo0p265cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:ca1a::^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cwxp265cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:ca1a::1^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cwxp265cu00601.inbound.protection.outlook.com`
		A	52.101.89.0^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo2p265cu02300.inbound.protection.outlook.com`
		A	52.101.89.1^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo0p265cu00201.inbound.protection.outlook.com`
		A	52.101.99.0^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cwxp265cu00600.inbound.protection.outlook.com`
		A	52.101.99.2^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cwxp265cu00502.inbound.protection.outlook.com`
TXT	`MS=ms83644472`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.90.160, 172.67.202.113
		IPv6 hints	2606:4700:3034::ac43:ca71, 2606:4700:3036::6815:5aa0
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=203, name=cloudflare-ech.com
SOA	`clayton.ns.cloudflare.com`dns@cloudflare.com serial=2405491775

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1781579915

Same first word

instu.de

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DNS History

16 records (7 active, 9 former)

●NSclayton.ns.cloudflare.com2026-03-26 → 2026-06-16 · 3 obs

○ 2017-11-05 12:34:24
● 2026-03-26 03:38:28
● 2026-06-16 03:41:08

●NSmelany.ns.cloudflare.com2026-03-26 → 2026-06-16 · 3 obs

○ 2017-11-05 12:34:24
● 2026-03-26 03:38:28
● 2026-06-16 03:41:08

○NSns1.sedoparking.com2015-08-10 → 2017-11-05 · 4 obs

● 2015-08-10 12:24:22
● 2017-11-05 12:34:24
○ 2026-03-26 03:38:28
○ 2026-06-16 03:41:08

○NSns2.sedoparking.com2015-08-10 → 2017-11-05 · 4 obs

● 2015-08-10 12:24:22
● 2017-11-05 12:34:24
○ 2026-03-26 03:38:28
○ 2026-06-16 03:41:08

●MXinstu-com.mail.protection.outlook.com2026-03-26 → 2026-06-16 · 3 obs

○ 2017-11-05 12:34:24
● 2026-03-26 03:38:28
● 2026-06-16 03:41:08

○MXlocalhost2016-11-25 → 2017-11-05 · 5 obs

○ 2016-03-16 08:46:22
● 2016-11-25 14:21:04
● 2017-11-05 12:34:24
○ 2026-03-26 03:38:28
○ 2026-06-16 03:41:08

○MXmail.nickstel.com2015-08-10 → 2016-03-16 · 4 obs

● 2015-08-10 12:24:22
● 2016-03-16 08:46:22
○ 2016-11-25 14:21:04
○ 2026-06-16 03:41:08

●A104.21.90.1602026-03-26 → 2026-06-16 · 5 obs

○ 2017-11-05 12:34:24
● 2026-03-26 03:38:28
● 2026-05-31 18:23:08
○ 2026-06-09 01:23:48
● 2026-06-16 03:41:08

●A172.67.202.1132026-03-26 → 2026-06-16 · 5 obs

○ 2017-11-05 12:34:24
● 2026-03-26 03:38:28
● 2026-05-31 18:23:08
○ 2026-06-09 01:23:48
● 2026-06-16 03:41:08

○A188.114.96.02026-06-09 → 2026-06-09 · 4 obs

○ 2026-03-26 03:38:28
○ 2026-05-31 18:23:08
● 2026-06-09 01:23:48
○ 2026-06-16 03:41:08

○A188.114.97.02026-06-09 → 2026-06-09 · 4 obs

○ 2026-03-26 03:38:28
○ 2026-05-31 18:23:08
● 2026-06-09 01:23:48
○ 2026-06-16 03:41:08

●A2606:4700:3034::ac43:ca712026-03-26 → 2026-06-16 · 5 obs

○ 2017-11-05 12:34:24
● 2026-03-26 03:38:28
● 2026-05-31 18:23:08
○ 2026-06-09 01:23:48
● 2026-06-16 03:41:08

●A2606:4700:3036::6815:5aa02026-03-26 → 2026-06-16 · 5 obs

○ 2017-11-05 12:34:24
● 2026-03-26 03:38:28
● 2026-05-31 18:23:08
○ 2026-06-09 01:23:48
● 2026-06-16 03:41:08

○A2a06:98c1:3120::2026-06-09 → 2026-06-09 · 4 obs

○ 2026-03-26 03:38:28
○ 2026-05-31 18:23:08
● 2026-06-09 01:23:48
○ 2026-06-16 03:41:08

○A2a06:98c1:3121::2026-06-09 → 2026-06-09 · 4 obs

○ 2026-03-26 03:38:28
○ 2026-05-31 18:23:08
● 2026-06-09 01:23:48
○ 2026-06-16 03:41:08

○A72.52.4.1212015-08-10 → 2017-11-05 · 4 obs

● 2015-08-10 12:24:22
● 2017-11-05 12:34:24
○ 2026-03-26 03:38:28
○ 2026-06-16 03:41:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
instu.com	melany.ns.cloudflare.com, clayton.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.138

NS records: melany.ns.cloudflare.com, clayton.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for instu.com (unsigned zone)

⏱️ Timing

Total: 127ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.202.113, 104.21.90.160`
AAAA	2	`2606:4700:3034::ac43:ca71, 2606:4700:3036::6815:5aa0`
NS	2	`clayton.ns.cloudflare.com, melany.ns.cloudflare.com`
MX	1	`instu-com.mail.protection.outlook.com (p`
TXT	2	`MS=ms83644472, v=spf1 include:spf.protection.outlook.co`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`clayton.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

instu.com has four IP addresses: 104.21.90.160, 172.67.202.113, 2606:4700:3034::ac43:ca71 and 2606:4700:3036::6815:5aa0.

codesamurai.info, dianeel.net, amp.fenghe.shop and two other host names share IP numbers with instu.com.

Name Servers

instu.com uses two name servers for its delegation: clayton.ns.cloudflare.com and melany.ns.cloudflare.com.

instu.com uses the same name servers as several other domains — among them careerhigher.co, irens.net, cyberfusion.fr and two more.

instu.com has at least partial name server overlap with other domains, such as stjohnvianneybettendorf.org, thefacesofhope.org, rrbeer.com and two others.

These name servers tend to appear together with the name servers vin.ns.cloudflare.com, ganz.ns.cloudflare.com and elsa.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

Hostname clayton.ns.cloudflare.com directs to 108.162.195.226, 162.159.44.226 and 172.64.35.226 along with 3 other IP addresses.

Hostname melany.ns.cloudflare.com directs to 108.162.194.138, 162.159.38.138 and 172.64.34.138 along with 3 other IP addresses.

Mail Servers

Mail for instu.com is handled by a single mail server, instu-com.mail.protection.outlook.com.

instu-com.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.89.0, 52.101.89.1, 52.101.99.0 and 5 others.