`contentumbv.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:4550^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:ce82^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.69.80^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.206.130^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`etta.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a9c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`etta.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c09c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`etta.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:209c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`etta.ns.cloudflare.com`
		A	108.162.192.156^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`etta.ns.cloudflare.com`
		A	172.64.32.156^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`etta.ns.cloudflare.com`
		A	173.245.58.156^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`etta.ns.cloudflare.com`
NS	`jack.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b79^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jack.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c179^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jack.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2179^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jack.ns.cloudflare.com`
		A	108.162.193.121^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jack.ns.cloudflare.com`
		A	172.64.33.121^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jack.ns.cloudflare.com`
		A	173.245.59.121^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jack.ns.cloudflare.com`
MX	`d330578.a.ess.de.barracudanetworks.com` ⭐
		A	18.185.115.250^{🇩🇪 Amazon18.184.0.0/15 EC2 FRA prefix}
			PTR	`mail.ess.de.barracuda.com`
		A	18.185.115.251^{🇩🇪 Amazon18.184.0.0/15 EC2 FRA prefix}
			PTR	`mail.ess.de.barracuda.com`
		A	18.185.115.252^{🇩🇪 Amazon18.184.0.0/15 EC2 FRA prefix}
			PTR	`mail.ess.de.barracuda.com`
MX	`d330578.b.ess.de.barracudanetworks.com`⁽²⁰⁾
		A	18.185.115.250^{🇩🇪 Amazon18.184.0.0/15 EC2 FRA prefix}
			PTR	`mail.ess.de.barracuda.com`
		A	18.185.115.251^{🇩🇪 Amazon18.184.0.0/15 EC2 FRA prefix}
			PTR	`mail.ess.de.barracuda.com`
		A	18.185.115.252^{🇩🇪 Amazon18.184.0.0/15 EC2 FRA prefix}
			PTR	`mail.ess.de.barracuda.com`
TXT	`v=spf1 include:spf.mailjet.com mx a a:exchange.12x2.nl include:_mailspf.12x2....`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.69.80, 172.67.206.130
		IPv6	2606:4700:3035::6815:4550, 2606:4700:3036::ac43:ce82
SOA	`etta.ns.cloudflare.com`dns@cloudflare.com serial=2397026301

`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=1774403912

Same first word

contentumbv.com

DNS History

13 records (8 active, 5 former)

●NSetta.ns.cloudflare.com2026-02-15 → 2026-03-25 · 3 obs

○ 2017-05-08 12:24:00
● 2026-02-15 09:32:26
● 2026-03-25 02:05:42

●NSjack.ns.cloudflare.com2026-02-15 → 2026-03-25 · 3 obs

○ 2017-05-08 12:24:00
● 2026-02-15 09:32:26
● 2026-03-25 02:05:42

○NSns1.reviced.nl2017-05-08 → 2017-05-08 · 3 obs

● 2017-05-08 12:24:00
○ 2026-02-15 09:32:26
○ 2026-03-25 02:05:42

○NSns2.reviced.nl2017-05-08 → 2017-05-08 · 3 obs

● 2017-05-08 12:24:00
○ 2026-02-15 09:32:26
○ 2026-03-25 02:05:42

●MXd330578.a.ess.de.barracudanetworks.com2026-02-15 → 2026-03-25 · 3 obs

○ 2017-05-08 12:24:00
● 2026-02-15 09:32:26
● 2026-03-25 02:05:42

●MXd330578.b.ess.de.barracudanetworks.com2026-02-15 → 2026-03-25 · 3 obs

○ 2017-05-08 12:24:00
● 2026-02-15 09:32:26
● 2026-03-25 02:05:42

○MXfallback.digisafe.nl2017-05-08 → 2017-05-08 · 3 obs

● 2017-05-08 12:24:00
○ 2026-02-15 09:32:26
○ 2026-03-25 02:05:42

○MXmx.digisafe.nl2017-05-08 → 2017-05-08 · 3 obs

● 2017-05-08 12:24:00
○ 2026-02-15 09:32:26
○ 2026-03-25 02:05:42

●A104.21.69.802026-02-15 → 2026-03-25 · 3 obs

○ 2017-05-08 12:24:00
● 2026-02-15 09:32:26
● 2026-03-25 02:05:42

●A172.67.206.1302026-02-15 → 2026-03-25 · 3 obs

○ 2017-05-08 12:24:00
● 2026-02-15 09:32:26
● 2026-03-25 02:05:42

○A185.159.240.342017-05-08 → 2017-05-08 · 3 obs

● 2017-05-08 12:24:00
○ 2026-02-15 09:32:26
○ 2026-03-25 02:05:42

●A2606:4700:3035::6815:45502026-02-15 → 2026-03-25 · 3 obs

○ 2017-05-08 12:24:00
● 2026-02-15 09:32:26
● 2026-03-25 02:05:42

●A2606:4700:3036::ac43:ce822026-02-15 → 2026-03-25 · 3 obs

○ 2017-05-08 12:24:00
● 2026-02-15 09:32:26
● 2026-03-25 02:05:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
contentumbv.com	jack.ns.cloudflare.com, etta.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.121

NS records: jack.ns.cloudflare.com, etta.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contentumbv.com (unsigned zone)

⏱️ Timing

Total: 152ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.206.130, 104.21.69.80`
AAAA	2	`2606:4700:3035::6815:4550, 2606:4700:3036::ac43:ce82`
NS	2	`etta.ns.cloudflare.com, jack.ns.cloudflare.com`
MX	2	`d330578.a.ess.de.barracudanetworks.com (, d330578.b.ess.de.barracudanetworks.com (`
TXT	1	`v=spf1 include:spf.mailjet.com mx a a:ex`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`etta.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

contentumbv.com resolves to four IP numbers: 2606:4700:3035::6815:4550, 2606:4700:3036::ac43:ce82, 104.21.69.80 and 172.67.206.130.

Other host names such as paydev.net, burda.com.sg, hygienemedicale.com, mail.israel-info.dk and www.isfplumbing.com share IPs with contentumbv.com.

Name Servers

contentumbv.com is delegated to two name servers: etta.ns.cloudflare.com and jack.ns.cloudflare.com.

contentumbv.com shares the same name server setup as osbf.org, viagra-pillen-kaufen.com, amitk.in, yuqo.it and yuqo.fr.

contentumbv.com at least partially shares name servers with other domains, for instance glshx.com, vuzresidence.com, dentalimplantscliftonparkny.com, arbolabc.com and anartfulscience.com.

these name servers are often used in conjunction with the name servers vick.ns.cloudflare.com.

Host names with six IP numbers:

etta.ns.cloudflare.com points to 2606:4700:50::adf5:3a9c, 2803:f800:50::6ca2:c09c, 2a06:98c1:50::ac40:209c, 108.162.192.156, 172.64.32.156 and 173.245.58.156.

jack.ns.cloudflare.com points to 2606:4700:58::adf5:3b79, 2803:f800:50::6ca2:c179, 2a06:98c1:50::ac40:2179, 108.162.193.121, 172.64.33.121 and 173.245.59.121.

Mail Servers

contentumbv.com is handled by two mail servers: d330578.a.ess.de.barracudanetworks.com and d330578.b.ess.de.barracudanetworks.com.

Host names with three IP numbers:

d330578.a.ess.de.barracudanetworks.com points to 18.185.115.250, 18.185.115.251 and 18.185.115.252.

d330578.b.ess.de.barracudanetworks.com points to 18.185.115.250, 18.185.115.251 and 18.185.115.252.

Names that point to 18.185.115.250: d330578.a.ess.de.barracudanetworks.com and d330578.b.ess.de.barracudanetworks.com.

Names that point to 18.185.115.251: d330578.a.ess.de.barracudanetworks.com and d330578.b.ess.de.barracudanetworks.com.

Names that point to 18.185.115.252: d330578.a.ess.de.barracudanetworks.com and d330578.b.ess.de.barracudanetworks.com.

contentumbv.com - robtex.com

contentumbv.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`contentumbv.com`

`com`