`commoncrowbooks.com`

DNSSEC	⚠️ Not signed
A	151.101.1.91^{🇺🇸 Fastly151.101.0.0/22}
A	151.101.65.91^{🇺🇸 Fastly151.101.64.0/22}
A	151.101.129.91^{🇺🇸 Fastly151.101.128.0/22}
A	151.101.193.91^{🇺🇸 Fastly151.101.192.0/22}
NS	`ns2.rackspace.com` ⭐ ⚠️ Not in parent delegation
		A	65.61.188.4^{🇺🇸 RACKSPACE-LON65.61.188.0/24 Rackspace, 5000 Walzem Road, San Antonio, TX 78218}
			PTR	`ns2.rackspace.com`
NS	`ns.rackspace.com` ⚠️ Not in parent delegation
		A	69.20.95.4^{🇺🇸 RACKSPACE-DFW69.20.95.0/24 Rackspace, 5000 Walzem Road, San Antonio, TX 78218}
			PTR	`ns.rackspace.com`
NS	`ns1.bibliopolis.com` ⚠️ Not in zone NS records
		A	69.20.95.4^{🇺🇸 RACKSPACE-DFW69.20.95.0/24 Rackspace, 5000 Walzem Road, San Antonio, TX 78218}
			PTR	`ns.rackspace.com`
NS	`ns2.bibliopolis.com` ⚠️ Not in zone NS records
		A	65.61.188.4^{🇺🇸 RACKSPACE-LON65.61.188.0/24 Rackspace, 5000 Walzem Road, San Antonio, TX 78218}
			PTR	`ns2.rackspace.com`
MX	`mx1.emailsrvr.com` ⭐
		A	146.20.161.1^{🇺🇸 RACKSPACE-IAD146.20.0.0/16 Rackspace US Inc}
			PTR	`mx1.emailsrvr.com`
MX	`mx2.emailsrvr.com`⁽²⁰⁾
		A	108.166.43.2^{🇺🇸 RACKSPACE-ORD108.166.0.0/18 Rackspace}
			PTR	`mx2.emailsrvr.com`
		A	146.20.161.2^{🇺🇸 RACKSPACE-IAD146.20.0.0/16 Rackspace US Inc}
			PTR	`mx2.emailsrvr.com`
		A	173.203.187.2^{🇺🇸 RACKSPACE-IAD173.203.128.0/18 Rackspace Managed Hosting, 9725 Data point drive, Suite 100, San Antonio, TX 78229}
			PTR	`mx2.emailsrvr.com`
		A	184.106.54.2^{🇺🇸 RACKSPACE-ORD184.106.54.0/24 Rackspace ORD}
			PTR	`mx2.emailsrvr.com`
TXT	`v=spf1 include:spf.bibliopolis.com ~all`
TXT	`google-site-verification=RPqDBDoZAZvx0optDDhaKXIFkUM6V0KCewiHu3kzVE0`
SOA	`ns.rackspace.com`hostmaster@rackspace.com serial=1774885346

`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=1776910862

Same first word

commoncrowbooks.com

DNS History

13 records (10 active, 3 former)

●NSns.rackspace.com2026-02-17 → 2026-04-23 · 3 obs

○ 2018-11-30 23:15:30
● 2026-02-17 13:32:24
● 2026-04-23 02:26:46

●NSns1.bibliopolis.com2026-02-17 → 2026-04-23 · 3 obs

○ 2018-11-30 23:15:30
● 2026-02-17 13:32:24
● 2026-04-23 02:26:46

●NSns2.bibliopolis.com2026-02-17 → 2026-04-23 · 3 obs

○ 2018-11-30 23:15:30
● 2026-02-17 13:32:24
● 2026-04-23 02:26:46

●NSns2.rackspace.com2026-02-17 → 2026-04-23 · 3 obs

○ 2018-11-30 23:15:30
● 2026-02-17 13:32:24
● 2026-04-23 02:26:46

○NSns67.worldnic.com2018-11-30 → 2018-11-30 · 3 obs

● 2018-11-30 23:15:30
○ 2026-02-17 13:32:24
○ 2026-04-23 02:26:46

○NSns68.worldnic.com2018-11-30 → 2018-11-30 · 3 obs

● 2018-11-30 23:15:30
○ 2026-02-17 13:32:24
○ 2026-04-23 02:26:46

●MXmx1.emailsrvr.com2026-02-17 → 2026-04-23 · 2 obs

● 2026-02-17 13:32:24
● 2026-04-23 02:26:46

●MXmx2.emailsrvr.com2026-02-17 → 2026-04-23 · 2 obs

● 2026-02-17 13:32:24
● 2026-04-23 02:26:46

●A151.101.1.912026-02-17 → 2026-04-23 · 3 obs

○ 2018-11-30 23:15:30
● 2026-02-17 13:32:24
● 2026-04-23 02:26:46

●A151.101.129.912026-02-17 → 2026-04-23 · 3 obs

○ 2018-11-30 23:15:30
● 2026-02-17 13:32:24
● 2026-04-23 02:26:46

●A151.101.193.912026-02-17 → 2026-04-23 · 3 obs

○ 2018-11-30 23:15:30
● 2026-02-17 13:32:24
● 2026-04-23 02:26:46

●A151.101.65.912026-02-17 → 2026-04-23 · 3 obs

○ 2018-11-30 23:15:30
● 2026-02-17 13:32:24
● 2026-04-23 02:26:46

○A206.188.193.572018-11-30 → 2018-11-30 · 3 obs

● 2018-11-30 23:15:30
○ 2026-02-17 13:32:24
○ 2026-04-23 02:26:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, k.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net...	-
commoncrowbooks.com	ns1.bibliopolis.com, ns2.bibliopolis.com	2 records

✅ Authoritative Response

Server:65.61.188.4

NS records: ns1.bibliopolis.com, ns2.bibliopolis.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for commoncrowbooks.com (unsigned zone)

⏱️ Timing

Total: 478ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`151.101.1.91, 151.101.65.91...`
NS	2	`ns2.rackspace.com, ns.rackspace.com`
MX	2	`mx2.emailsrvr.com (pri: 20), mx1.emailsrvr.com (pri: 10)`
TXT	2	`google-site-verification=RPqDBDoZAZvx0op, v=spf1 include:spf.bibliopolis.com ~all`
SOA	1	`ns.rackspace.com hostmaster.rackspace.co`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.bibliopolis.com, ns2.bibliopolis.com)

Analysis

IP Addresses

commoncrowbooks.com resolves to four IPs: 151.101.1.91, 151.101.65.91, 151.101.129.91 and 151.101.193.91.

Other host names, for instance coventryhomes.com, hiddenhighways.bandcamp.com, therebelriot.bandcamp.com, biomorphic.bandcamp.com and mind-in-a-box.bandcamp.com share IP numbers with commoncrowbooks.com.

Name Servers

commoncrowbooks.com is delegated to four name servers: ns1.bibliopolis.com, ns2.bibliopolis.com, ns2.rackspace.com and ns.rackspace.com.

commoncrowbooks.com shares some name servers with other domains, for example 136.135.159.in-addr.arpa, knucklestrutz.com, fiverr.in, kktransfer.com and smmailer.com.

These name servers are commonly used together with dns1.stabletransit.com and dns2.stabletransit.com.

Host names with a single IP number:

The host name ns1.bibliopolis.com points to: 69.20.95.4.

The host name ns2.bibliopolis.com points to: 65.61.188.4.

The host name ns2.rackspace.com points to: 65.61.188.4.

The host name ns.rackspace.com points to: 69.20.95.4.

Host names that point to 69.20.95.4: ns1.bibliopolis.com and ns.rackspace.com.

Host names that point to 65.61.188.4: ns2.bibliopolis.com and ns2.rackspace.com.

Mail Servers

commoncrowbooks.com is served by two mail servers: mx1.emailsrvr.com and mx2.emailsrvr.com.

commoncrowbooks.com shares the mail server setup with other domains, for example kathey.com, beyonddiagnosticsli.com, irisnaor.com, toneshapers.com and pitstax.com.

commoncrowbooks.com shares some mail servers with other domains, at least partially; for instance itagrp.com, e.airportparkingreservations.com, usgbcms.org, plasticard-systems.com and hartfordgunclub.com.

Host names with four IP numbers:

mx2.emailsrvr.com points to: 108.166.43.2, 146.20.161.2, 173.203.187.2 and 184.106.54.2.

Host names with one IP number:

mx1.emailsrvr.com points to: 146.20.161.1.

commoncrowbooks.com - robtex.com