firstsecondbooks.com - dns.ninja

`firstsecondbooks.com`

DNSSEC	⚠️ Not signed
A	141.193.213.10^{🇺🇸 CLOUDFLARESPECTRUM141.193.213.0/24 WPEngine, Inc. 504 Lavaca Street, 1000, Austin, TX 78701, US}
A	141.193.213.11^{🇺🇸 CLOUDFLARESPECTRUM141.193.213.0/24 WPEngine, Inc. 504 Lavaca Street, 1000, Austin, TX 78701, US}
NS	`ns-1749.awsdns-26.co.uk` ⭐
		A	2600:9000:5306:d500::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1749.awsdns-26.co.uk`
		A	205.251.198.213^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1749.awsdns-26.co.uk`
NS	`ns-1016.awsdns-63.net`
		A	2600:9000:5303:f800::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-1016.awsdns-63.net`
		A	205.251.195.248^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-1016.awsdns-63.net`
NS	`ns-1192.awsdns-21.org`
		A	2600:9000:5304:a800::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1192.awsdns-21.org`
		A	205.251.196.168^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1192.awsdns-21.org`
NS	`ns-96.awsdns-12.com`
		A	2600:9000:5300:6000::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-96.awsdns-12.com`
		A	205.251.192.96^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-96.awsdns-12.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c27::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadsk-in-f27.1e100.net`
		A	192.179.18.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ry-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c14::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f26.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
TXT	`MS=ms92992646`
TXT	`adobe-idp-site-verification=b0b0b6bdf5b1c140f7819f2125014fbdc62b49a17f6fd8271...`
TXT	`dropbox-domain-verification=7qva0u1xn8nd`
TXT	`google-site-verification=s0yiEf0i3vJyxtEUSSTwOUHbS5TTgIqn7bk3Kp5zsiw`
TXT	`v=spf1 ip4:76.8.67.133/24 ip4:199.168.15.14/24 ip4:54.208.9.231 ip4:107.23.18...`
SOA	`ns-1749.awsdns-26.co.uk`awsdns-hostmaster@amazon.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=1786351549

rank #460112 globally
rank #189221 in the tld

Same first word

firstsecondbooks.com

DNS History

21 records (11 active, 10 former)

●NSns-1016.awsdns-63.net2026-04-21 → 2026-08-10 · 3 obs

○ 2017-11-11 19:37:40
● 2026-04-21 15:39:48
● 2026-08-10 08:54:58

●NSns-1192.awsdns-21.org2026-04-21 → 2026-08-10 · 3 obs

○ 2017-11-11 19:37:40
● 2026-04-21 15:39:48
● 2026-08-10 08:54:58

●NSns-1749.awsdns-26.co.uk2026-04-21 → 2026-08-10 · 3 obs

○ 2017-11-11 19:37:40
● 2026-04-21 15:39:48
● 2026-08-10 08:54:58

●NSns-96.awsdns-12.com2026-04-21 → 2026-08-10 · 3 obs

○ 2017-11-11 19:37:40
● 2026-04-21 15:39:48
● 2026-08-10 08:54:58

○NSns0.macmillanusa.com2015-08-18 → 2017-11-11 · 4 obs

● 2015-08-18 14:59:50
● 2017-11-11 19:37:40
○ 2026-04-21 15:39:48
○ 2026-08-10 08:54:58

○NSns1.macmillanusa.com2015-08-18 → 2017-11-11 · 4 obs

● 2015-08-18 14:59:50
● 2017-11-11 19:37:40
○ 2026-04-21 15:39:48
○ 2026-08-10 08:54:58

○NSns2.macmillanusa.com2015-08-18 → 2017-11-11 · 4 obs

● 2015-08-18 14:59:50
● 2017-11-11 19:37:40
○ 2026-04-21 15:39:48
○ 2026-08-10 08:54:58

●MXalt1.aspmx.l.google.com2016-01-14 → 2026-08-10 · 3 obs

○ 2015-08-18 14:59:50
● 2016-01-14 16:10:44
● 2026-08-10 08:54:58

●MXalt2.aspmx.l.google.com2016-01-14 → 2026-08-10 · 3 obs

○ 2015-08-18 14:59:50
● 2016-01-14 16:10:44
● 2026-08-10 08:54:58

●MXaspmx.l.google.com2016-01-14 → 2026-08-10 · 3 obs

○ 2015-08-18 14:59:50
● 2016-01-14 16:10:44
● 2026-08-10 08:54:58

●MXaspmx2.googlemail.com2016-01-14 → 2026-08-10 · 3 obs

○ 2015-08-18 14:59:50
● 2016-01-14 16:10:44
● 2026-08-10 08:54:58

●MXaspmx3.googlemail.com2016-01-14 → 2026-08-10 · 3 obs

○ 2015-08-18 14:59:50
● 2016-01-14 16:10:44
● 2026-08-10 08:54:58

○MXmail1.bfwpub.com2015-08-18 → 2017-11-11 · 4 obs

● 2015-08-18 14:59:50
● 2017-11-11 19:37:40
○ 2026-04-21 15:39:48
○ 2026-08-10 08:54:58

○MXmail1.hbpub.com2015-08-18 → 2017-11-11 · 4 obs

● 2015-08-18 14:59:50
● 2017-11-11 19:37:40
○ 2026-04-21 15:39:48
○ 2026-08-10 08:54:58

●A141.193.213.102026-04-21 → 2026-08-10 · 3 obs

○ 2017-11-11 19:37:40
● 2026-04-21 15:39:48
● 2026-08-10 08:54:58

●A141.193.213.112026-04-21 → 2026-08-10 · 3 obs

○ 2017-11-11 19:37:40
● 2026-04-21 15:39:48
● 2026-08-10 08:54:58

○A142.54.232.1032015-08-18 → 2016-09-11 · 4 obs

● 2015-08-18 14:59:50
● 2016-09-11 17:36:22
○ 2017-11-11 19:37:40
○ 2026-08-10 08:54:58

○A34.194.5.1722017-11-11 → 2017-11-11 · 4 obs

○ 2016-09-11 17:36:22
● 2017-11-11 19:37:40
○ 2026-04-21 15:39:48
○ 2026-08-10 08:54:58

○A34.196.215.1482017-11-11 → 2017-11-11 · 4 obs

○ 2016-09-11 17:36:22
● 2017-11-11 19:37:40
○ 2026-04-21 15:39:48
○ 2026-08-10 08:54:58

○A52.0.58.1262017-11-11 → 2017-11-11 · 4 obs

○ 2016-09-11 17:36:22
● 2017-11-11 19:37:40
○ 2026-04-21 15:39:48
○ 2026-08-10 08:54:58

○A54.84.99.662017-11-11 → 2017-11-11 · 4 obs

○ 2016-09-11 17:36:22
● 2017-11-11 19:37:40
○ 2026-04-21 15:39:48
○ 2026-08-10 08:54:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, j.gtld-servers.net, d.gtld-servers.net, a.gtld-servers.net...	-
firstsecondbooks.com	ns-96.awsdns-12.com, ns-1016.awsdns-63.net, ns-1749.awsdns-26.co.uk, ns-1192.awsdns-21.org	2 records

✅ Authoritative Response

Server:205.251.195.248

NS records: ns-96.awsdns-12.com, ns-1016.awsdns-63.net, ns-1749.awsdns-26.co.uk, ns-1192.awsdns-21.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstsecondbooks.com (unsigned zone)

⏱️ Timing

Total: 351ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`141.193.213.11, 141.193.213.10`
NS	4	`ns-1016.awsdns-63.net, ns-1192.awsdns-21.org...`
MX	5	`aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)...`
TXT	5	`MS=ms92992646, adobe-idp-site-verification=b0b0b6bdf5b1...`
SOA	1	`ns-1749.awsdns-26.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-96.awsdns-12.com, ns-96.awsdns-12.com)

Analysis

IP Addresses

firstsecondbooks.com points to the IP addresses 141.193.213.10 and 141.193.213.11

Two other host names, along with ryandonner.com, courageouscouplescounseling.com and theconditioningroom.fit, also share IP numbers with firstsecondbooks.com.

Name Servers

The NS records for firstsecondbooks.com point to four name servers: ns-96.awsdns-12.com, ns-1016.awsdns-63.net, ns-1192.awsdns-21.org and ns-1749.awsdns-26.co.uk.

At least some of firstsecondbooks.com's name servers are shared with other domains, for example dnow.app, loparks.com, d15ez0tvtur9np.cloudfront.net and two more.

Four hostnames, each resolving to a pair of IP addresses: ns-96.awsdns-12.com directs to 205.251.192.96 and 2600:9000:5300:6000::1; ns-1016.awsdns-63.net directs to 205.251.195.248 and 2600:9000:5303:f800::1; ns-1192.awsdns-21.org directs to 205.251.196.168 and 2600:9000:5304:a800::1; ns-1749.awsdns-26.co.uk directs to 205.251.198.213 and 2600:9000:5306:d500::1.

Mail Servers

firstsecondbooks.com has five mail servers, which are aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

There is at least a partial MX overlap between firstsecondbooks.com and other domains, including 24x7retail.com, ns500671.ns500671.ns500671.ns500742.ns500742.ns500671.ns500731.ns500671.ns500705.ns500688.ns500688.ns500678.ns500666.ns500291.ns500291.ns500131.lustychickser.com, ns500693.ns500734.ns500693.ns500693.ns500693.ns500734.ns500734.ns500693.ns500699.ns500693.ns500612.ns500612.ns500578.ns500110.dtrkdll.com and two others.

These mail servers tend to appear in combination with mail servers alt2.aspmx.l.google.com, alt1.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 others.

Host names that have two IP addresses:

aspmx2.googlemail.com directs traffic to 192.178.234.26 and 2800:3f0:4003:c14::1a.

aspmx3.googlemail.com directs traffic to 172.253.116.27 and 2a00:1450:400b:c02::1a.

aspmx.l.google.com directs traffic to 192.179.18.26 and 2607:f8b0:4004:c27::1b.

alt1.aspmx.l.google.com directs traffic to 192.178.234.26 and 2800:3f0:4003:c14::1b.

alt2.aspmx.l.google.com directs traffic to 172.253.116.27 and 2a00:1450:400b:c02::1a.

Both aspmx2.googlemail.com and alt1.aspmx.l.google.com resolve to 192.178.234.26 IP addresses each.

Both aspmx3.googlemail.com and alt2.aspmx.l.google.com resolve to 2a00:1450:400b:c02::1a IP addresses each.

Both aspmx3.googlemail.com and alt2.aspmx.l.google.com resolve to 172.253.116.27 IP addresses each.