`corebookmarketing.com`

DNSSEC	🔒 Signed (DS record present)
A	46.243.1.12^{🇻🇬 I-SERVERS-NORTH-EU46.243.1.0/24}
		PTR	`vds2751764.nicways.co.uk`
NS	`ns1.openprovider.nl` ⭐
		A	2400:cb00:2049:1::a29f:1a0a^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.26.10^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.openprovider.be`
		A	2400:cb00:2049:1::a29f:1b60^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.27.96^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns3.openprovider.eu`
		A	2400:cb00:2049:1::a29f:3059^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.48.89^{Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c06::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bg-in-f26.1e100.net`
		A	2607:f8b0:4004:c06::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bg-in-f27.1e100.net`
		A	2607:f8b0:4004:c23::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f27.1e100.net`
		A	2607:f8b0:4004:c27::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadsk-in-f27.1e100.net`
		A	172.253.115.26^{🇺🇸 Google172.253.115.0/24}
			PTR	`bg-in-f26.1e100.net`
		A	172.253.115.27^{🇺🇸 Google172.253.115.0/24}
			PTR	`bg-in-f27.1e100.net`
		A	172.253.122.26^{🇺🇸 Google172.253.122.0/24}
			PTR	`bh-in-f26.1e100.net`
		A	172.253.139.27^{🇺🇸 Google172.253.139.0/24}
			PTR	`yuiadsk-in-f27.1e100.net`
		A	192.178.155.26^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f26.1e100.net`
TXT	`google-site-verification=hjs-pPH21eOA-rhUOIP3AJqKCr6MPN_XfEurDEtZ0a4`
SOA	`ns1.openprovider.nl`dns@openprovider.eu 2026-01-23 #4

`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=1786679724

⚠️ On DNS blocklist: tif

Same first word

corebookmarketing.com

DNS History

5 records (5 active, 0 former)

●NSns1.openprovider.nl2026-03-20 → 2026-08-14 · 2 obs

● 2026-03-20 07:51:44
● 2026-08-14 03:59:20

●NSns2.openprovider.be2026-03-20 → 2026-08-14 · 2 obs

● 2026-03-20 07:51:44
● 2026-08-14 03:59:20

●NSns3.openprovider.eu2026-03-20 → 2026-08-14 · 2 obs

● 2026-03-20 07:51:44
● 2026-08-14 03:59:20

●MXsmtp.google.com2026-03-20 → 2026-08-14 · 2 obs

● 2026-03-20 07:51:44
● 2026-08-14 03:59:20

●A46.243.1.122026-03-20 → 2026-08-14 · 2 obs

● 2026-03-20 07:51:44
● 2026-08-14 03:59:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, e.gtld-servers.net, m.gtld-servers.net, g.gtld-servers.net...	-
corebookmarketing.com	ns1.openprovider.nl, ns3.openprovider.eu, ns2.openprovider.be	-

✅ Authoritative Response

Server:162.159.26.10

NS records: ns1.openprovider.nl, ns3.openprovider.eu, ns2.openprovider.be

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 867ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`46.243.1.12`
NS	3	`ns2.openprovider.be, ns1.openprovider.nl...`
MX	1	`smtp.google.com (pri: 1)`
TXT	1	`google-site-verification=hjs-pPH21eOA-rh`
SOA	1	`ns1.openprovider.nl dns.openprovider.eu`

Analysis

IP Addresses

corebookmarketing.com points to a single IP number: 46.243.1.12.

Additional host names — nsru1.nicways.co.uk, fourpointsmediagroup.com, mail.fourpointsmediagroup.com and two others — share IP numbers with corebookmarketing.com.

Name Servers

corebookmarketing.com is served by three name servers: ns2.openprovider.be, ns3.openprovider.eu and ns1.openprovider.nl.

There is at least partial name server overlap between corebookmarketing.com and other domains — ebrocante.com, slideroof.nl, awdiving.nl and two more among them.

The hostnames ns2.openprovider.be, ns3.openprovider.eu and ns1.openprovider.nl each direct to two IP addresses — ns2.openprovider.be to 162.159.27.96 and 2400:cb00:2049:1::a29f:1b60, ns3.openprovider.eu to 162.159.48.89 and 2400:cb00:2049:1::a29f:3059, and ns1.openprovider.nl to 162.159.26.10 and 2400:cb00:2049:1::a29f:1a0a.

Mail Servers

corebookmarketing.com has one mail server: smtp.google.com.

corebookmarketing.com shares the same mail server setup as other domains, including jwu.it, smkbhs.sch.id, scottsdaleeyewear.com and two others.

corebookmarketing.com shares mail servers — at least in part — with other domains, including beyonds.ai, queeninstrumentosmusicales.cl, pantic.eu and two others.

These mail servers are routinely found in combination with the mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and aspmx.l.google.com.

smtp.google.com points to 9 IP numbers: 172.253.115.26, 172.253.115.27, 172.253.122.26 and 6 other.

corebookmarketing.com - robtex.com