contentguard.com - dns.ninja

`contentguard.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:29bb^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:a69b^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.41.187^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.166.155^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`henry.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bb0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`henry.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1b0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`henry.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21b0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`henry.ns.cloudflare.com`
		A	108.162.193.176^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`henry.ns.cloudflare.com`
		A	172.64.33.176^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`henry.ns.cloudflare.com`
		A	173.245.59.176^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`henry.ns.cloudflare.com`
NS	`lorna.ns.cloudflare.com`
		A	2606:4700:50::adf5:3abe^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lorna.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0be^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lorna.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20be^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lorna.ns.cloudflare.com`
		A	108.162.192.190^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lorna.ns.cloudflare.com`
		A	172.64.32.190^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lorna.ns.cloudflare.com`
		A	173.245.58.190^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lorna.ns.cloudflare.com`
MX	`contentguard-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c946::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch1pr04cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::4^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch0pr04cu00504.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::7^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch5pr02cu00307.inbound.protection.outlook.com`
		A	2a01:111:f403:f90b::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn6pr04cu00100.inbound.protection.outlook.com`
		A	52.101.8.44^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dm5pr04cu00104.inbound.protection.outlook.com`
		A	52.101.9.26^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl0pr02cu00702.inbound.protection.outlook.com`
		A	52.101.11.15^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sa9pr02cu00207.inbound.protection.outlook.com`
		A	52.101.194.3^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch1pr04cu00103.inbound.protection.outlook.com`
TXT	`v=spf1 ip4:71.164.172.66 include:spf.protection.outlook.com include:mailgun.o...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.41.187, 172.67.166.155
		IPv6 hints	2606:4700:3035::6815:29bb, 2606:4700:3036::ac43:a69b
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=30, name=cloudflare-ech.com
SOA	`henry.ns.cloudflare.com`dns@cloudflare.com serial=2405836471

`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=1781369118

PTR for

2.159.103.216.in-addr.arpa

Same first word

contentguard.net

contentguard.com

DNS History

17 records (7 active, 10 former)

●NShenry.ns.cloudflare.com2026-02-16 → 2026-06-13 · 3 obs

○ 2017-04-18 12:09:46
● 2026-02-16 01:55:30
● 2026-06-13 17:11:06

●NSlorna.ns.cloudflare.com2026-02-16 → 2026-06-13 · 3 obs

○ 2017-04-18 12:09:46
● 2026-02-16 01:55:30
● 2026-06-13 17:11:06

○NSpdns03.domaincontrol.com2015-07-12 → 2017-04-18 · 4 obs

● 2015-07-12 06:57:24
● 2017-04-18 12:09:46
○ 2026-02-16 01:55:30
○ 2026-06-13 17:11:06

○NSpdns04.domaincontrol.com2015-07-12 → 2017-04-18 · 4 obs

● 2015-07-12 06:57:24
● 2017-04-18 12:09:46
○ 2026-02-16 01:55:30
○ 2026-06-13 17:11:06

●MXcontentguard-com.mail.protection.outlook.com2015-07-12 → 2026-06-13 · 2 obs

● 2015-07-12 06:57:24
● 2026-06-13 17:11:06

●A104.21.41.1872026-02-16 → 2026-06-13 · 20 obs

○ 2017-04-18 12:09:46
● 2026-02-16 01:55:30
● 2026-02-22 18:50:34
○ 2026-02-23 20:03:40
○ 2026-03-16 23:15:50
● 2026-03-23 03:37:12
● 2026-03-29 00:57:22
○ 2026-03-30 19:46:52
○ 2026-04-13 04:19:28
● 2026-04-17 23:21:28
● 2026-04-20 02:19:46
○ 2026-04-20 16:04:22
○ 2026-04-27 13:16:28
● 2026-05-01 15:53:16
○ 2026-05-04 18:45:38
○ 2026-05-26 20:20:56
● 2026-05-29 15:56:28
○ 2026-06-08 19:11:10
● 2026-06-13 17:11:04
● 2026-06-13 17:11:06

○A107.154.146.472017-03-11 → 2017-04-18 · 5 obs

○ 2016-12-28 19:42:58
● 2017-03-11 11:02:58
● 2017-04-18 12:09:46
○ 2026-02-16 01:55:30
○ 2026-06-13 17:11:06

○A107.154.148.472017-03-11 → 2017-04-18 · 5 obs

○ 2016-12-28 19:42:58
● 2017-03-11 11:02:58
● 2017-04-18 12:09:46
○ 2026-02-16 01:55:30
○ 2026-06-13 17:11:06

●A172.67.166.1552026-02-16 → 2026-06-13 · 20 obs

○A188.114.96.02026-02-23 → 2026-06-08 · 18 obs

○ 2026-02-22 18:50:34
● 2026-02-23 20:03:40
● 2026-03-16 23:15:50
○ 2026-03-23 03:37:12
○ 2026-03-29 00:57:22
● 2026-03-30 19:46:52
● 2026-04-13 04:19:28
○ 2026-04-17 23:21:28
○ 2026-04-20 02:19:46
● 2026-04-20 16:04:22
● 2026-04-27 13:16:28
○ 2026-05-01 15:53:16
● 2026-05-04 18:45:38
● 2026-05-26 20:20:56
○ 2026-05-29 15:56:28
● 2026-06-08 19:11:10
○ 2026-06-13 17:11:04
○ 2026-06-13 17:11:06

○A188.114.97.02026-02-23 → 2026-06-08 · 18 obs

○A199.83.131.392015-07-12 → 2016-12-28 · 4 obs

● 2015-07-12 06:57:24
● 2016-12-28 19:42:58
○ 2017-03-11 11:02:58
○ 2026-06-13 17:11:06

○A199.83.133.2532015-07-12 → 2016-12-28 · 4 obs

● 2015-07-12 06:57:24
● 2016-12-28 19:42:58
○ 2017-03-11 11:02:58
○ 2026-06-13 17:11:06

●A2606:4700:3035::6815:29bb2026-02-16 → 2026-06-13 · 20 obs

●A2606:4700:3036::ac43:a69b2026-02-16 → 2026-06-13 · 20 obs

○A2a06:98c1:3120::2026-02-23 → 2026-06-08 · 18 obs

○A2a06:98c1:3121::2026-02-23 → 2026-06-08 · 18 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, i.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net...	-
contentguard.com	henry.ns.cloudflare.com, lorna.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.176

NS records: henry.ns.cloudflare.com, lorna.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contentguard.com (unsigned zone)

⏱️ Timing

Total: 218ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.41.187, 172.67.166.155`
AAAA	2	`2606:4700:3035::6815:29bb, 2606:4700:3036::ac43:a69b`
NS	2	`henry.ns.cloudflare.com, lorna.ns.cloudflare.com`
MX	1	`contentguard-com.mail.protection.outlook`
TXT	1	`v=spf1 ip4:71.164.172.66 include:spf.pro`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`henry.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

contentguard.com points to four IP numbers: 104.21.41.187, 172.67.166.155, 2606:4700:3035::6815:29bb and 2606:4700:3036::ac43:a69b.

cpcalendars.apple-verify.com, yizhulaw.com, bejattos.com plus two other host names have IP numbers in common with contentguard.com.

Name Servers

contentguard.com has two authoritative name servers — henry.ns.cloudflare.com and lorna.ns.cloudflare.com.

The name server configuration of contentguard.com is shared with other domains, for instance igvault.net, lam.org.nz, igvault.es and two others.

The name servers of contentguard.com overlap at least partially with those of other domains — among them orobae.net, bokeh.org, poprostupycha.com.pl and two more.

The name servers zainab.ns.cloudflare.com, jade.ns.cloudflare.com and candy.ns.cloudflare.com are commonly seen alongside these name servers.

Hosts with 6 IP addresses each:

henry.ns.cloudflare.com points to 108.162.193.176, 172.64.33.176, 173.245.59.176 and 3 other IP addresses.

lorna.ns.cloudflare.com points to 108.162.192.190, 172.64.32.190, 173.245.58.190 and 3 other IP addresses.

Mail Servers

contentguard.com uses one mail server — contentguard-com.mail.protection.outlook.com.

contentguard-com.mail.protection.outlook.com has 8 IP addresses: 52.101.8.44, 52.101.9.26, 52.101.11.15 plus 5 more.