`booleanbooks.com`

DNSSEC	⚠️ Not signed
A	162.159.140.98^{Cloudflare162.159.128.0/19 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	172.66.0.96^{🇺🇸 Cloudflare172.66.0.0/22 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns1021.ui-dns.de` ⭐
		A	2001:8d8:fe:53:0:d9a0:5015:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1021.ui-dns.de`
		A	217.160.80.21^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1021.ui-dns.de`
NS	`ns1033.ui-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:5121:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1033.ui-dns.biz`
		A	217.160.81.33^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1033.ui-dns.biz`
NS	`ns1063.ui-dns.org`
		A	2001:8d8:fe:53:0:d9a0:533f:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1063.ui-dns.org`
		A	217.160.83.63^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1063.ui-dns.org`
NS	`ns1106.ui-dns.com`
		A	2001:8d8:fe:53:0:d9a0:526a:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1106.ui-dns.com`
		A	217.160.82.106^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1106.ui-dns.com`
MX	`mx00.ionos.com` ⭐
		A	74.208.5.3^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx00.perfora.net`
MX	`mx01.ionos.com` ⭐
		A	74.208.5.21^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx01.perfora.net`
TXT	`v=spf1 include:_spf-us.ionos.com include:_spf.mailersend.net ~all`
TXT	`google-site-verification=kcf564BBOxUdsT3HFYF9Te6xX0Hn-yPoYgPNq1bys-0`
SOA	`ns1021.ui-dns.de`hostmaster@1und1.com 2017-06-02 #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=1771291435

Same first word

booleanbooks.com

DNS History

8 records (8 active, 0 former)

●NSns1021.ui-dns.de2026-03-08 → 2026-03-13 · 2 obs

● 2026-03-08 00:57:30
● 2026-03-13 00:07:38

●NSns1033.ui-dns.biz2026-03-08 → 2026-03-13 · 2 obs

● 2026-03-08 00:57:30
● 2026-03-13 00:07:38

●NSns1063.ui-dns.org2026-03-08 → 2026-03-13 · 2 obs

● 2026-03-08 00:57:30
● 2026-03-13 00:07:38

●NSns1106.ui-dns.com2026-03-08 → 2026-03-13 · 2 obs

● 2026-03-08 00:57:30
● 2026-03-13 00:07:38

●MXmx00.ionos.com2026-03-08 → 2026-03-13 · 2 obs

● 2026-03-08 00:57:30
● 2026-03-13 00:07:38

●MXmx01.ionos.com2026-03-08 → 2026-03-13 · 2 obs

● 2026-03-08 00:57:30
● 2026-03-13 00:07:38

●A162.159.140.982026-03-08 → 2026-03-13 · 2 obs

● 2026-03-08 00:57:30
● 2026-03-13 00:07:38

●A172.66.0.962026-03-08 → 2026-03-13 · 2 obs

● 2026-03-08 00:57:30
● 2026-03-13 00:07:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, a.gtld-servers.net, f.gtld-servers.net, k.gtld-servers.net...	-
booleanbooks.com	ns1021.ui-dns.de, ns1033.ui-dns.biz, ns1063.ui-dns.org, ns1106.ui-dns.com	2 records

✅ Authoritative Response

Server: 217.160.82.106

NS records: ns1021.ui-dns.de, ns1033.ui-dns.biz, ns1063.ui-dns.org, ns1106.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for booleanbooks.com (unsigned zone)

⏱️ Timing

Total: 1405ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.66.0.96, 162.159.140.98`
NS	4	`ns1033.ui-dns.biz, ns1063.ui-dns.org...`
MX	2	`mx01.ionos.com (pri: 10), mx00.ionos.com (pri: 10)`
TXT	2	`google-site-verification=kcf564BBOxUdsT3, v=spf1 include:_spf-us.ionos.com include`
SOA	1	`ns1021.ui-dns.de hostmaster.1und1.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1106.ui-dns.com, ns1106.ui-dns.com)

Analysis

IP Addresses

booleanbooks.com points to two IP numbers: 162.159.140.98 and 172.66.0.96.

Other host names such as fatkel.com, mmikael.com, dubclub.win, kuwait.tl and interlect-groep.nl share IPs with booleanbooks.com.

Name Servers

booleanbooks.com is delegated to four name servers: ns1033.ui-dns.biz, ns1106.ui-dns.com, ns1021.ui-dns.de and ns1063.ui-dns.org.

booleanbooks.com at least partially shares name servers with other domains, for example subm.us, dvs-24.de, zentekforensics.co.uk, ems-koeln.de and smartups.biz.