`bookhubpublishing.com`

DNSSEC	⚠️ Not signed
A	78.153.218.40^{🇮🇪 BLACKNIGHT-AS78.153.192.0/19 IE-BLACKNIGHT-NET2-PA}
		PTR	`pemdublinng018.blacknight.com`
NS	`ns1.blacknight.com` ⭐
		A	78.153.212.176^{🇮🇪 BLACKNIGHT-AS78.153.212.0/24 IE-BLACKNIGHT-INFRA}
			PTR	`ns1.blacknight.com`
NS	`ns2.blacknight.com`
		A	2a01:a8:dc3:3313::aaaa^{🇮🇪 BLACKNIGHT-AS2a01:a8::/32 IE-BLACKNIGHT-PA-IPV6}
			PTR	`ns2.blacknight.com`
		A	81.17.254.6^{🇮🇪 BLACKNIGHT-AS81.17.240.0/20 IE-BLACKNIGHT-PA}
			PTR	`ns2.blacknight.com`
NS	`ns3.blacknight.com`
		A	2a00:fea0:dead::beef^{🇮🇳 GRANSY2a00:fea0::/32 Anycast DNS project}
		A	185.28.194.194^{🇨🇿 GRANSY185.28.194.0/24 Network of Gransy s.r.o.}
			PTR	`ns2.anycastdns.cz`
NS	`ns4.blacknight.com`
		A	185.38.108.108^{🇨🇿 GRANSY185.38.108.0/24 Anycast DNS project}
			PTR	`ns1.anycastdns.cz`
MX	`mx0101.titan.email` ⭐
		A	18.159.184.97^{🇩🇪 Amazon18.156.0.0/14 EC2 FRA prefix}
			PTR	`ec2-18-159-184-97.eu-central-1.compute.amazonaws.com`
		A	52.59.38.182^{🇩🇪 Amazon52.58.0.0/15 EC2 FRA Prefix}
			PTR	`ec2-52-59-38-182.eu-central-1.compute.amazonaws.com`
MX	`mx0102.titan.email`⁽²⁰⁾
		A	18.159.184.97^{🇩🇪 Amazon18.156.0.0/14 EC2 FRA prefix}
			PTR	`ec2-18-159-184-97.eu-central-1.compute.amazonaws.com`
		A	52.59.38.182^{🇩🇪 Amazon52.58.0.0/15 EC2 FRA Prefix}
			PTR	`ec2-52-59-38-182.eu-central-1.compute.amazonaws.com`
TXT	`v=spf1 a include:spf.blacknight.ie ~all`
SOA	`ns1.blacknight.com`hostmaster@blacknight.com serial=1276137421

`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=1774678817

Same first word

bookhubpublishing.com

DNS History

9 records (7 active, 2 former)

●NSns1.blacknight.com2016-12-20 → 2026-03-28 · 2 obs

● 2016-12-20 23:59:26
● 2026-03-28 06:27:18

●NSns2.blacknight.com2016-12-20 → 2026-03-28 · 2 obs

● 2016-12-20 23:59:26
● 2026-03-28 06:27:18

●NSns3.blacknight.com2016-12-20 → 2026-03-28 · 2 obs

● 2016-12-20 23:59:26
● 2026-03-28 06:27:18

●NSns4.blacknight.com2016-12-20 → 2026-03-28 · 2 obs

● 2016-12-20 23:59:26
● 2026-03-28 06:27:18

○MXinbound-smtp.cp.blacknight.com2016-12-20 → 2018-08-20 · 4 obs

● 2016-12-20 23:59:26
● 2018-08-20 21:40:48
○ 2026-02-24 02:46:34
○ 2026-03-28 06:27:18

●MXmx0101.titan.email2026-02-24 → 2026-03-28 · 3 obs

○ 2018-08-20 21:40:48
● 2026-02-24 02:46:34
● 2026-03-28 06:27:18

●MXmx0102.titan.email2026-02-24 → 2026-03-28 · 3 obs

○ 2018-08-20 21:40:48
● 2026-02-24 02:46:34
● 2026-03-28 06:27:18

○A78.153.217.2112016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 23:59:26
○ 2018-08-20 21:40:48
○ 2026-03-28 06:27:18

●A78.153.218.402018-08-20 → 2026-03-28 · 3 obs

○ 2016-12-20 23:59:26
● 2018-08-20 21:40:48
● 2026-03-28 06:27:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
bookhubpublishing.com	ns1.blacknight.com, ns2.blacknight.com, ns3.blacknight.com, ns4.blacknight.com	6 records

✅ Authoritative Response

Server:81.17.254.6

NS records: ns1.blacknight.com, ns2.blacknight.com, ns3.blacknight.com, ns4.blacknight.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bookhubpublishing.com (unsigned zone)

⏱️ Timing

Total: 412ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`78.153.218.40`
NS	4	`ns2.blacknight.com, ns3.blacknight.com...`
MX	2	`mx0102.titan.email (pri: 20), mx0101.titan.email (pri: 10)`
TXT	1	`v=spf1 a include:spf.blacknight.ie ~all`
SOA	1	`ns1.blacknight.com hostmaster.blacknight`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns1.blacknight.com, ns2.blacknight.com, ns2.blacknight.com...)

Analysis

IP Addresses

bookhubpublishing.com points to a single IP number: 78.153.218.40.

Other host names, for instance joechalmers.net, kevincooney.ie, iybo.iayo.ie, direct-pix.com and adventureonthebelt2015.ie share IP numbers with bookhubpublishing.com.

Name Servers

bookhubpublishing.com is delegated to four name servers: ns1.blacknight.com, ns2.blacknight.com, ns3.blacknight.com and ns4.blacknight.com.

bookhubpublishing.com at least partially shares name servers with other domains, for instance achillharpfestival.ie, mrca.ie, carireland.ie, mills.irish and byrnelifts.ie.

Two IP numbers per host:

Host ns2.blacknight.com points to 2a01:a8:dc3:3313::aaaa and 81.17.254.6.

Host ns3.blacknight.com points to 2a00:fea0:dead::beef and 185.28.194.194.

One IP number per host:

Host ns1.blacknight.com points to 78.153.212.176.

Host ns4.blacknight.com points to 185.38.108.108.

Mail Servers

bookhubpublishing.com is handled by two mail servers: mx0101.titan.email and mx0102.titan.email.

bookhubpublishing.com uses the same mail server configuration as other domains, such as bowstreet.ie, arugna.com, ics-ltd.ie, pgsl.ie and energywindows.ie.

bookhubpublishing.com shares mail servers with other domains, at least partially, for instance thebikestore.ie and webpusher.ie.

Host names with two IP numbers:

mx0101.titan.email points to 18.159.184.97 and 52.59.38.182.

mx0102.titan.email points to 18.159.184.97 and 52.59.38.182.

Host names pointing to 18.159.184.97: mx0101.titan.email, mx0102.titan.email.

Host names pointing to 52.59.38.182: mx0101.titan.email, mx0102.titan.email.

bookhubpublishing.com - robtex.com