`professionalbooknerds.com`

DNSSEC	⚠️ Not signed
A	207.54.136.65^{🇺🇸 E-xpedient207.54.128.0/18 Cleveland}
		PTR	`biglibraryread.com`
		PTR	`digipalooza.com`
		PTR	`digitalbookmobile.com`
		PTR	`discoversora.com`
		PTR	`everyonereads.com`
		PTR	`overdrivesteve.com`
		PTR	`perspectivesonreading.com`
		PTR	`professionalbooknerds.com`
		PTR	`readanebookday.com`
		PTR	`togetherweread.com`
		PTR	`discuss.biglibraryread.com`
		PTR	`www.biglibraryread.com`
		PTR	`www.digipalooza.com`
		PTR	`www.digitalbookmobile.com`
		PTR	`nyc.discoversora.com`
		PTR	`www.discoversora.com`
		PTR	`www.everyonereads.com`
		PTR	`acs.overdrive.com`
		PTR	`app.overdrive.com`
		PTR	`blogs.overdrive.com`
		PTR	`company.overdrive.com`
		PTR	`ehighlights.overdrive.com`
		PTR	`help-fc.overdrive.com`
		PTR	`resources.overdrive.com`
		PTR	`siteclosed.overdrive.com`
		PTR	`www.overdrivesteve.com`
		PTR	`www.perspectivesonreading.com`
		PTR	`www.professionalbooknerds.com`
		PTR	`www.readanebookday.com`
		PTR	`www.togetherweread.com`
		PTR	`dod.lib.overdrive.com`
		PTR	`www.resources.overdrive.com`
		PTR	`patron-svc.test.overdrive.com`
		PTR	`www.help-fc.overdrive.overdrive.com`
NS	`ns1-09.azure-dns.com` ⭐
		A	2603:1061:0:700::9^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-09.azure-dns.com`
		A	13.107.236.9^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-09.azure-dns.com`
NS	`ns2-09.azure-dns.net`
		A	2620:1ec:8ec:700::9^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-09.azure-dns.net`
		A	150.171.21.9^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-09.azure-dns.net`
NS	`ns3-09.azure-dns.org`
		A	2a01:111:4000:700::9^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-09.azure-dns.org`
		A	204.14.183.9^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-09.azure-dns.org`
NS	`ns4-09.azure-dns.info`
		A	2620:1ec:bda:700::9^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-09.azure-dns.info`
		A	208.84.5.9^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-09.azure-dns.info`
TXT	`v=spf1 -all`
SOA	`ns1-09.azure-dns.com`azuredns-hostmaster@microsoft.com serial=1

`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=1771291435

PTR for

65.136.54.207.in-addr.arpa

Subdomains

www.professionalbooknerds.com

Same first word

professionalbooknerds.com

DNS History

10 records (5 active, 5 former)

○NSns-1285.awsdns-32.org2018-05-10 → 2018-05-10 · 3 obs

● 2018-05-10 19:42:08
○ 2026-03-13 09:33:38
○ 2026-03-23 21:21:22

○NSns-1941.awsdns-50.co.uk2018-05-10 → 2018-05-10 · 3 obs

● 2018-05-10 19:42:08
○ 2026-03-13 09:33:38
○ 2026-03-23 21:21:22

○NSns-334.awsdns-41.com2018-05-10 → 2018-05-10 · 3 obs

● 2018-05-10 19:42:08
○ 2026-03-13 09:33:38
○ 2026-03-23 21:21:22

○NSns-907.awsdns-49.net2018-05-10 → 2018-05-10 · 3 obs

● 2018-05-10 19:42:08
○ 2026-03-13 09:33:38
○ 2026-03-23 21:21:22

●NSns1-09.azure-dns.com2026-03-13 → 2026-03-23 · 3 obs

○ 2018-05-10 19:42:08
● 2026-03-13 09:33:38
● 2026-03-23 21:21:22

●NSns2-09.azure-dns.net2026-03-13 → 2026-03-23 · 3 obs

○ 2018-05-10 19:42:08
● 2026-03-13 09:33:38
● 2026-03-23 21:21:22

●NSns3-09.azure-dns.org2026-03-13 → 2026-03-23 · 3 obs

○ 2018-05-10 19:42:08
● 2026-03-13 09:33:38
● 2026-03-23 21:21:22

●NSns4-09.azure-dns.info2026-03-13 → 2026-03-23 · 3 obs

○ 2018-05-10 19:42:08
● 2026-03-13 09:33:38
● 2026-03-23 21:21:22

●A207.54.136.652026-03-13 → 2026-03-23 · 3 obs

○ 2018-05-10 19:42:08
● 2026-03-13 09:33:38
● 2026-03-23 21:21:22

○A207.54.137.1572018-05-10 → 2018-05-10 · 3 obs

● 2018-05-10 19:42:08
○ 2026-03-13 09:33:38
○ 2026-03-23 21:21:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net, d.gtld-servers.net...	-
professionalbooknerds.com	ns1-09.azure-dns.com, ns2-09.azure-dns.net, ns3-09.azure-dns.org, ns4-09.azure-dns.info	2 records

✅ Authoritative Response

Server:13.107.236.9

NS records: ns1-09.azure-dns.com, ns2-09.azure-dns.net, ns3-09.azure-dns.org, ns4-09.azure-dns.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for professionalbooknerds.com (unsigned zone)

⏱️ Timing

Total: 125ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`207.54.136.65`
NS	4	`ns1-09.azure-dns.com, ns2-09.azure-dns.net...`
TXT	1	`v=spf1 -all`
SOA	1	`ns1-09.azure-dns.com azuredns-hostmaster`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1-09.azure-dns.com, ns1-09.azure-dns.com)

Analysis

Hierarchy

professionalbooknerds.com is parent of www.professionalbooknerds.com.

IP Addresses

professionalbooknerds.com points to a single IP: 207.54.136.65.

Other host names, for instance dod.lib.overdrive.com, discuss.biglibraryread.com, resources.overdrive.com, www.biglibraryread.com and everyonereads.com share IP numbers with professionalbooknerds.com.

Name Servers

professionalbooknerds.com is delegated to four name servers: ns1-09.azure-dns.com, ns4-09.azure-dns.info, ns2-09.azure-dns.net and ns3-09.azure-dns.org.

professionalbooknerds.com at least partially shares its name servers with other domains, for instance homesbyps.com, passporthotmail.net, microsoftedgebrowser.org, microsofttealsk12.net and xboxliveunited.org.

Host names with two IPs: ns1-09.azure-dns.com points to 2603:1061:0:700::9 and 13.107.236.9; ns4-09.azure-dns.info points to 2620:1ec:bda:700::9 and 208.84.5.9; ns2-09.azure-dns.net points to 2620:1ec:8ec:700::9 and 150.171.21.9; ns3-09.azure-dns.org points to 2a01:111:4000:700::9 and 204.14.183.9.

professionalbooknerds.com - robtex.com