contentmail.com - dns.ninja

`contentmail.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:8edb^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:36db^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.54.219^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.142.219^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`kayden.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c4a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kayden.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c34a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kayden.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:234a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kayden.ns.cloudflare.com`
		A	108.162.195.74^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kayden.ns.cloudflare.com`
		A	162.159.44.74^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kayden.ns.cloudflare.com`
		A	172.64.35.74^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kayden.ns.cloudflare.com`
NS	`romina.ns.cloudflare.com`
		A	2606:4700:50::a29f:269f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`romina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c29f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`romina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:229f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`romina.ns.cloudflare.com`
		A	108.162.194.159^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`romina.ns.cloudflare.com`
		A	162.159.38.159^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`romina.ns.cloudflare.com`
		A	172.64.34.159^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`romina.ns.cloudflare.com`
MX	`route1.mx.cloudflare.net` ⭐
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁵⁴⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁷⁹⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
TXT	`google-site-verification=_KX1XSqdAhn5hhMElfVwf282GCnrxOw6tYRZARQY_Jg`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.54.219, 172.67.142.219
		IPv6 hints	2606:4700:3034::ac43:8edb, 2606:4700:3036::6815:36db
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=217, name=cloudflare-ech.com
SOA	`kayden.ns.cloudflare.com`dns@cloudflare.com serial=2409549196

`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=1785306517

Previously MX for

contentmail.com

Same first word

contentmail.com

contentmail.ru

Similar names

mailcontent.com

teamclinton.ca

DNS History

31 records (9 active, 22 former)

○NSaspen.ns.cloudflare.com2026-02-16 → 2026-05-02 · 9 obs

○ 2016-12-19 10:32:50
● 2026-02-16 10:50:16
● 2026-04-09 02:33:40
○ 2026-04-16 22:27:40
○ 2026-04-20 00:15:02
● 2026-04-22 10:48:34
● 2026-05-02 14:01:38
○ 2026-05-05 04:54:34
○ 2026-07-29 06:43:54

○NSexpired1.namebrightdns.com2026-04-16 → 2026-04-20 · 5 obs

○ 2026-04-09 02:33:40
● 2026-04-16 22:27:40
● 2026-04-20 00:15:02
○ 2026-04-22 10:48:34
○ 2026-07-29 06:43:54

○NSexpired2.namebrightdns.com2026-04-16 → 2026-04-20 · 5 obs

○ 2026-04-09 02:33:40
● 2026-04-16 22:27:40
● 2026-04-20 00:15:02
○ 2026-04-22 10:48:34
○ 2026-07-29 06:43:54

○NSgordon.ns.cloudflare.com2026-02-16 → 2026-05-02 · 9 obs

●NSkayden.ns.cloudflare.com2026-05-05 → 2026-07-29 · 3 obs

○ 2026-05-02 14:01:38
● 2026-05-05 04:54:34
● 2026-07-29 06:43:54

○NSns1.dnslink.com2016-12-18 → 2016-12-19 · 5 obs

○ 2016-05-02 20:46:06
● 2016-12-18 04:34:46
● 2016-12-19 10:32:50
○ 2026-02-16 10:50:16
○ 2026-07-29 06:43:54

○NSns1.icontent.com2015-08-06 → 2016-05-02 · 4 obs

● 2015-08-06 18:35:14
● 2016-05-02 20:46:06
○ 2016-12-18 04:34:46
○ 2026-07-29 06:43:54

○NSns1.namebrightdns.com2026-04-16 → 2026-04-20 · 5 obs

○ 2026-04-09 02:33:40
● 2026-04-16 22:27:40
● 2026-04-20 00:15:02
○ 2026-04-22 10:48:34
○ 2026-07-29 06:43:54

○NSns2.dnslink.com2016-12-18 → 2016-12-19 · 5 obs

○ 2016-05-02 20:46:06
● 2016-12-18 04:34:46
● 2016-12-19 10:32:50
○ 2026-02-16 10:50:16
○ 2026-07-29 06:43:54

○NSns2.icontent.com2015-08-06 → 2016-05-02 · 4 obs

● 2015-08-06 18:35:14
● 2016-05-02 20:46:06
○ 2016-12-18 04:34:46
○ 2026-07-29 06:43:54

●NSromina.ns.cloudflare.com2026-05-05 → 2026-07-29 · 3 obs

○ 2026-05-02 14:01:38
● 2026-05-05 04:54:34
● 2026-07-29 06:43:54

○MXcontentmail.com2015-08-06 → 2016-05-02 · 4 obs

● 2015-08-06 18:35:14
● 2016-05-02 20:46:06
○ 2016-12-18 04:34:46
○ 2026-07-29 06:43:54

○MXmail.b-io.co2016-12-18 → 2026-02-16 · 5 obs

○ 2016-05-02 20:46:06
● 2016-12-18 04:34:46
● 2026-02-16 10:50:16
○ 2026-02-19 12:25:54
○ 2026-07-29 06:43:54

○MXmail1.namebrightmail.com2026-04-16 → 2026-04-20 · 5 obs

○ 2026-02-19 12:25:54
● 2026-04-16 22:27:40
● 2026-04-20 00:15:02
○ 2026-04-22 10:48:34
○ 2026-07-29 06:43:54

○MXmail2.namebrightmail.com2026-04-16 → 2026-04-20 · 5 obs

○ 2026-02-19 12:25:54
● 2026-04-16 22:27:40
● 2026-04-20 00:15:02
○ 2026-04-22 10:48:34
○ 2026-07-29 06:43:54

●MXroute1.mx.cloudflare.net2026-07-18 → 2026-07-29 · 3 obs

○ 2026-04-22 10:48:34
● 2026-07-18 19:45:00
● 2026-07-29 06:43:54

●MXroute2.mx.cloudflare.net2026-07-18 → 2026-07-29 · 3 obs

○ 2026-04-22 10:48:34
● 2026-07-18 19:45:00
● 2026-07-29 06:43:54

●MXroute3.mx.cloudflare.net2026-07-18 → 2026-07-29 · 3 obs

○ 2026-04-22 10:48:34
● 2026-07-18 19:45:00
● 2026-07-29 06:43:54

○A104.130.196.2532015-08-06 → 2016-05-02 · 4 obs

● 2015-08-06 18:35:14
● 2016-05-02 20:46:06
○ 2016-12-18 04:34:46
○ 2026-07-29 06:43:54

●A104.21.54.2192026-05-05 → 2026-07-29 · 3 obs

○ 2026-04-30 03:22:02
● 2026-05-05 04:54:34
● 2026-07-29 06:43:54

●A172.67.142.2192026-05-05 → 2026-07-29 · 3 obs

○ 2026-04-30 03:22:02
● 2026-05-05 04:54:34
● 2026-07-29 06:43:54

○A209.15.13.1342016-12-18 → 2016-12-19 · 5 obs

○ 2016-05-02 20:46:06
● 2016-12-18 04:34:46
● 2016-12-19 10:32:50
○ 2026-02-16 10:50:16
○ 2026-07-29 06:43:54

○A2600:1f18:4ae:c607:d1d9:565f:b122:bfdb2026-04-16 → 2026-04-20 · 5 obs

○ 2026-04-09 02:33:40
● 2026-04-16 22:27:40
● 2026-04-20 00:15:02
○ 2026-04-22 10:48:34
○ 2026-07-29 06:43:54

○A2600:1f18:4ae:c608:83f8:2f9c:4a61:7b6a2026-04-16 → 2026-04-20 · 5 obs

○ 2026-04-09 02:33:40
● 2026-04-16 22:27:40
● 2026-04-20 00:15:02
○ 2026-04-22 10:48:34
○ 2026-07-29 06:43:54

●A2606:4700:3034::ac43:8edb2026-06-29 → 2026-07-29 · 3 obs

○ 2026-05-05 04:54:34
● 2026-06-29 05:49:00
● 2026-07-29 06:43:54

○A2606:4700:3035::6815:36db2026-05-05 → 2026-05-05 · 4 obs

○ 2026-04-30 03:22:02
● 2026-05-05 04:54:34
○ 2026-06-29 05:49:00
○ 2026-07-29 06:43:54

●A2606:4700:3036::6815:36db2026-06-29 → 2026-07-29 · 3 obs

○ 2026-05-05 04:54:34
● 2026-06-29 05:49:00
● 2026-07-29 06:43:54

○A2606:4700:3036::ac43:8edb2026-05-05 → 2026-05-05 · 4 obs

○ 2026-04-30 03:22:02
● 2026-05-05 04:54:34
○ 2026-06-29 05:49:00
○ 2026-07-29 06:43:54

○A52.44.244.982026-04-16 → 2026-04-20 · 5 obs

○ 2026-04-09 02:33:40
● 2026-04-16 22:27:40
● 2026-04-20 00:15:02
○ 2026-04-22 10:48:34
○ 2026-07-29 06:43:54

○A54.165.131.1832026-04-16 → 2026-04-20 · 5 obs

○ 2026-04-09 02:33:40
● 2026-04-16 22:27:40
● 2026-04-20 00:15:02
○ 2026-04-22 10:48:34
○ 2026-07-29 06:43:54

○A76.76.21.212026-02-16 → 2026-04-27 · 9 obs

○ 2016-12-19 10:32:50
● 2026-02-16 10:50:16
● 2026-04-09 02:33:40
○ 2026-04-16 22:27:40
○ 2026-04-20 00:15:02
● 2026-04-22 10:48:34
● 2026-04-27 01:40:02
○ 2026-04-30 03:22:02
○ 2026-07-29 06:43:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, k.gtld-servers.net, j.gtld-servers.net, a.gtld-servers.net...	-
contentmail.com	romina.ns.cloudflare.com, kayden.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:172.64.34.159

NS records: romina.ns.cloudflare.com, kayden.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contentmail.com (unsigned zone)

⏱️ Timing

Total: 242ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.142.219, 104.21.54.219`
AAAA	2	`2606:4700:3034::ac43:8edb, 2606:4700:3036::6815:36db`
NS	2	`kayden.ns.cloudflare.com, romina.ns.cloudflare.com`
MX	3	`route1.mx.cloudflare.net (pri: 17), route2.mx.cloudflare.net (pri: 54)...`
TXT	2	`google-site-verification=_KX1XSqdAhn5hhM, v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`kayden.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

contentmail.com resolves to four IP addresses: 104.21.54.219, 172.67.142.219, 2606:4700:3034::ac43:8edb and 2606:4700:3036::6815:36db.

Two other host names, along with www.honeyswap.net, webster-dictionary.org and wallisetechco.click, also share IP numbers with contentmail.com.

Name Servers

contentmail.com has two authoritative name servers — kayden.ns.cloudflare.com and romina.ns.cloudflare.com.

contentmail.com shares its NS records with other domains, for example rainstream.com, referaltoken.com, beachcater.com and two others.

contentmail.com has at least partial name server overlap with other domains, such as tube(0x706f726e)3.com, mirobot.io, crazfood.com and two others.

It is common to find these name servers paired with the name servers april.ns.cloudflare.com.

DNS names with 6 IP addresses:

kayden.ns.cloudflare.com points to 108.162.195.74, 162.159.44.74, 172.64.35.74 and 3 other IP addresses.

romina.ns.cloudflare.com points to 108.162.194.159, 162.159.38.159, 172.64.34.159 and 3 other IP addresses.

Mail Servers

contentmail.com has three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

There is at least a partial MX overlap between contentmail.com and other domains, including velarisecommerce.com, trinitybaptist.net, gfy(0x787878).com and two others.

DNS names with 6 IP addresses:

route1.mx.cloudflare.net points to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 other IP addresses.

route2.mx.cloudflare.net points to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 other IP addresses.

route3.mx.cloudflare.net points to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 other IP addresses.