booleanbooks.com - dns.ninja

`booleanbooks.com`

DNSSEC	⚠️ Not signed
A	74.208.108.9^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
NS	`ns1021.ui-dns.de` ⭐
		A	2607:f1c0:fe:53:185:132:32:21^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns1021.ui-dns.de`
		A	185.132.32.21^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1021.ui-dns.de`
NS	`ns1033.ui-dns.biz`
		A	2607:f1c0:fe:53:185:132:33:33^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns1033.ui-dns.biz`
		A	185.132.33.33^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			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	2607:f1c0:fe:53:185:132:34:106^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns1106.ui-dns.com`
		A	185.132.34.106^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			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`
		A	74.208.114.65^{🇺🇸 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`
		A	74.208.114.66^{🇺🇸 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 #21

`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=1784349237

Same first word

booleanbooks.com

DNS History

10 records (7 active, 3 former)

●NSns1021.ui-dns.de2026-03-08 → 2026-07-18 · 2 obs

● 2026-03-08 00:57:30
● 2026-07-18 04:44:22

●NSns1033.ui-dns.biz2026-03-08 → 2026-07-18 · 2 obs

● 2026-03-08 00:57:30
● 2026-07-18 04:44:22

●NSns1063.ui-dns.org2026-03-08 → 2026-07-18 · 2 obs

● 2026-03-08 00:57:30
● 2026-07-18 04:44:22

●NSns1106.ui-dns.com2026-03-08 → 2026-07-18 · 2 obs

● 2026-03-08 00:57:30
● 2026-07-18 04:44:22

●MXmx00.ionos.com2026-03-08 → 2026-07-18 · 2 obs

● 2026-03-08 00:57:30
● 2026-07-18 04:44:22

●MXmx01.ionos.com2026-03-08 → 2026-07-18 · 2 obs

● 2026-03-08 00:57:30
● 2026-07-18 04:44:22

○A162.159.140.982026-03-08 → 2026-03-13 · 4 obs

● 2026-03-08 00:57:30
● 2026-03-13 00:07:38
○ 2026-03-28 08:22:10
○ 2026-07-18 04:44:22

○A172.66.0.962026-03-08 → 2026-03-13 · 4 obs

● 2026-03-08 00:57:30
● 2026-03-13 00:07:38
○ 2026-03-28 08:22:10
○ 2026-07-18 04:44:22

○A216.150.1.12026-03-28 → 2026-03-30 · 5 obs

○ 2026-03-13 00:07:38
● 2026-03-28 08:22:10
● 2026-03-30 18:16:12
○ 2026-07-18 04:44:20
○ 2026-07-18 04:44:22

●A74.208.108.92026-07-18 → 2026-07-18 · 3 obs

○ 2026-03-30 18:16:12
● 2026-07-18 04:44:20
● 2026-07-18 04:44:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, b.gtld-servers.net, a.gtld-servers.net, j.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:185.132.33.33

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: 367ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`74.208.108.9`
NS	4	`ns1106.ui-dns.com, ns1021.ui-dns.de...`
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 a single IP number: 74.208.108.9.

Name Servers

booleanbooks.com has four authoritative name servers: ns1033.ui-dns.biz, ns1106.ui-dns.com, ns1021.ui-dns.de and ns1063.ui-dns.org.

booleanbooks.com partially shares its NS delegation with several other domains, including subm.us, stb-lennartz.de, simonellis.info and two others.

In DNS configurations, these name servers often share authority with ns1033.ui-dns.org, ns1106.ui-dns.biz, ns1106.ui-dns.de and 7 other name servers.

ns1033.ui-dns.biz, ns1106.ui-dns.com, ns1021.ui-dns.de and ns1063.ui-dns.org each carry two IP addresses. ns1033.ui-dns.biz has 185.132.33.33 and 2607:f1c0:fe:53:185:132:33:33; ns1106.ui-dns.com has 185.132.34.106 and 2607:f1c0:fe:53:185:132:34:106; ns1021.ui-dns.de has 185.132.32.21 and 2607:f1c0:fe:53:185:132:32:21; ns1063.ui-dns.org has 217.160.83.63 and 2001:8d8:fe:53:0:d9a0:533f:100.

Mail Servers

booleanbooks.com has two mail servers: mx00.ionos.com and mx01.ionos.com.

booleanbooks.com shares the same mail server setup as other domains, including paywire.net, prnlabs.com, twentiethcenturyclubbuffalo.com and two others.

mx00.ionos.com resolves to 74.208.5.3 and 74.208.114.65. Likewise, mx01.ionos.com resolves to 74.208.5.21 and 74.208.114.66 — two IP addresses apiece.