🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`b2bcontentengine.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:302b^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:b0fa^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.48.43^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.176.250^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`memphis.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cbd^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`memphis.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3bd^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`memphis.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23bd^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`memphis.ns.cloudflare.com`
		A	108.162.195.189^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`memphis.ns.cloudflare.com`
		A	162.159.44.189^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`memphis.ns.cloudflare.com`
		A	172.64.35.189^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`memphis.ns.cloudflare.com`
NS	`rosalie.ns.cloudflare.com`
		A	2606:4700:50::a29f:2639^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosalie.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c239^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rosalie.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2239^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rosalie.ns.cloudflare.com`
		A	108.162.194.57^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosalie.ns.cloudflare.com`
		A	162.159.38.57^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosalie.ns.cloudflare.com`
		A	172.64.34.57^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosalie.ns.cloudflare.com`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4023:2009::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yuphxer-in-f26.1e100.net`
		A	2607:f8b0:4023:2009::1b^{🇺🇸 Google2607:f8b0::/32}
		A	2607:f8b0:4023:200b::1a^{Google2607:f8b0::/32}
		A	2607:f8b0:4023:200b::1b^{Google2607:f8b0::/32}
		A	142.251.181.26
		A	142.251.181.27^{🇺🇸 Google142.251.181.0/24}
			PTR	`lcphxp-in-f27.1e100.net`
		A	172.217.75.26
		A	172.217.75.27
		A	192.178.164.26
TXT	`google-site-verification=8vK2kDKmVIldyFNdcMB5VJmsa1IrkhbKdd6rJvVHqxw`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.48.43, 172.67.176.250
		IPv6 hints	2606:4700:3031::6815:302b, 2606:4700:3037::ac43:b0fa
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=248, name=cloudflare-ech.com
SOA	`memphis.ns.cloudflare.com`dns@cloudflare.com serial=2418245758

`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=1792778411

Same first word

b2bcontentengine.com

Previous names

Next names

DNS History

18 records (7 active, 11 former)

○NSandy.ns.cloudflare.com2015-08-21 → 2017-06-15 · 4 obs

● 2015-08-21 16:06:00
● 2017-06-15 20:18:40
○ 2020-12-29 15:46:12
○ 2026-10-23 18:30:28

○NSmary.ns.cloudflare.com2015-08-21 → 2017-06-15 · 4 obs

● 2015-08-21 16:06:00
● 2017-06-15 20:18:40
○ 2020-12-29 15:46:12
○ 2026-10-23 18:30:28

●NSmemphis.ns.cloudflare.com2026-09-18 → 2026-10-23 · 3 obs

○ 2020-12-29 15:46:12
● 2026-09-18 04:04:28
● 2026-10-23 18:30:28

○NSnsg1.namebrightdns.com2020-12-29 → 2020-12-29 · 4 obs

○ 2017-06-15 20:18:40
● 2020-12-29 15:46:12
○ 2026-09-18 04:04:28
○ 2026-10-23 18:30:28

○NSnsg2.namebrightdns.com2020-12-29 → 2020-12-29 · 4 obs

○ 2017-06-15 20:18:40
● 2020-12-29 15:46:12
○ 2026-09-18 04:04:28
○ 2026-10-23 18:30:28

●NSrosalie.ns.cloudflare.com2026-09-18 → 2026-10-23 · 3 obs

○ 2020-12-29 15:46:12
● 2026-09-18 04:04:28
● 2026-10-23 18:30:28

○MXalt1.aspmx.l.google.com2015-08-21 → 2017-06-15 · 4 obs

● 2015-08-21 16:06:00
● 2017-06-15 20:18:40
○ 2020-12-29 15:46:12
○ 2026-10-23 18:30:28

○MXaspmx.l.google.com2015-08-21 → 2017-06-15 · 4 obs

● 2015-08-21 16:06:00
● 2017-06-15 20:18:40
○ 2020-12-29 15:46:12
○ 2026-10-23 18:30:28

●MXsmtp.google.com2026-09-18 → 2026-10-23 · 3 obs

○ 2020-12-29 15:46:12
● 2026-09-18 04:04:28
● 2026-10-23 18:30:28

●A104.21.48.432026-09-18 → 2026-10-23 · 3 obs

○ 2020-12-29 15:46:12
● 2026-09-18 04:04:28
● 2026-10-23 18:30:28

○A104.28.4.62015-08-21 → 2017-06-15 · 4 obs

● 2015-08-21 16:06:00
● 2017-06-15 20:18:40
○ 2020-12-29 15:46:12
○ 2026-10-23 18:30:28

○A104.28.5.62015-08-21 → 2017-06-15 · 4 obs

● 2015-08-21 16:06:00
● 2017-06-15 20:18:40
○ 2020-12-29 15:46:12
○ 2026-10-23 18:30:28

●A172.67.176.2502026-09-18 → 2026-10-23 · 3 obs

○ 2020-12-29 15:46:12
● 2026-09-18 04:04:28
● 2026-10-23 18:30:28

○A2400:cb00:2048:1::681c:4062017-06-15 → 2017-06-15 · 4 obs

○ 2015-08-21 16:06:00
● 2017-06-15 20:18:40
○ 2020-12-29 15:46:12
○ 2026-10-23 18:30:28

○A2400:cb00:2048:1::681c:5062017-06-15 → 2017-06-15 · 4 obs

○ 2015-08-21 16:06:00
● 2017-06-15 20:18:40
○ 2020-12-29 15:46:12
○ 2026-10-23 18:30:28

●A2606:4700:3031::6815:302b2026-09-18 → 2026-10-23 · 3 obs

○ 2020-12-29 15:46:12
● 2026-09-18 04:04:28
● 2026-10-23 18:30:28

●A2606:4700:3037::ac43:b0fa2026-09-18 → 2026-10-23 · 3 obs

○ 2020-12-29 15:46:12
● 2026-09-18 04:04:28
● 2026-10-23 18:30:28

○CNAMEhdredirect-lb7-5a03e1c2772e1c9c.elb.us-east-1.amazonaws.com2020-12-29 → 2020-12-29 · 3 obs

● 2020-12-29 15:46:12
○ 2026-09-18 04:04:28
○ 2026-10-23 18:30:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
b2bcontentengine.com	rosalie.ns.cloudflare.com, memphis.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.57

NS records: rosalie.ns.cloudflare.com, memphis.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for b2bcontentengine.com (unsigned zone)

⏱️ Timing

Total: 1467ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.176.250, 104.21.48.43`
AAAA	2	`2606:4700:3037::ac43:b0fa, 2606:4700:3031::6815:302b`
NS	2	`memphis.ns.cloudflare.com, rosalie.ns.cloudflare.com`
MX	1	`smtp.google.com (pri: 1)`
TXT	2	`google-site-verification=8vK2kDKmVIldyFN, v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`memphis.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

b2bcontentengine.com directs to four IP numbers, which are 104.21.48.43, 172.67.176.250, 2606:4700:3031::6815:302b and 2606:4700:3037::ac43:b0fa.

gaziantepbaharat.pro, o18r8.com, povlen.shop and two other host names share IP numbers with b2bcontentengine.com.

Name Servers

b2bcontentengine.com is served by two delegated name servers, memphis.ns.cloudflare.com and rosalie.ns.cloudflare.com.

b2bcontentengine.com uses the same name servers as several other domains — among them alltopnotchleadsgenerator.com, qualiti7group.com, go-flowapi-cloud.com and two more.

The name servers of b2bcontentengine.com overlap at least partially with those of other domains — among them getmapletree.com, g-w-1-w.com, testopus.app and two more.

These name servers are often used together with the name servers venus.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

memphis.ns.cloudflare.com carries IP addresses 108.162.195.189, 162.159.44.189 and 172.64.35.189, with 3 other addresses beyond those.

rosalie.ns.cloudflare.com carries IP addresses 108.162.194.57, 162.159.38.57 and 172.64.34.57, with 3 other addresses beyond those.

Mail Servers

Mail for b2bcontentengine.com is handled by a single mail server, smtp.google.com.

b2bcontentengine.com uses an identical mail server configuration to several other domains — among them maplestonstudios.com.au, lfg.cpa, workwithredfynn.com and two more.

b2bcontentengine.com partially shares its mail servers with other domains — including humangrowthhormone.mx, goldbachprime.com, join0260brand.info and phoenixraingutters.com.

The host name smtp.google.com points to 9 IP numbers: 142.251.181.26, 142.251.181.27, 172.217.75.26 and 6 other.

b2bcontentengine.com - robtex.com