optimalbooks.com - robtex.com

optimalbooks.com

DNSSEC⚠️ Not signed
A162.241.252.140🇺🇸 ORACLE-OCI-31898162.241.252.0/22 Google
PTRbox5717.bluehost.com
NSns1.bluehost.com ⭐
A162.159.24.80Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.bluehost.com
NSns2.bluehost.com
A162.159.25.175Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.bluehost.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4023:c0b::1a🇺🇸 Google2607:f8b0::/32
PTRdd-in-f26.1e100.net
A142.250.101.26🇺🇸 Google142.250.101.0/24
PTRdz-in-f26.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1b🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXaspmx2.googlemail.com(5)
A2607:f8b0:4023:2801::1a🇺🇸 Google2607:f8b0::/32
PTRlcausi-in-f26.1e100.net
A192.178.128.27🇺🇸 Google192.178.128.0/24
PTRlcausi-in-f27.1e100.net
MXalt2.aspmx.l.google.com(10)
A2607:f8b0:4023:1015::1b🇺🇸 Google2607:f8b0::/32
PTRyudfwta-in-f27.1e100.net
A172.253.135.27🇺🇸 Google172.253.135.0/24
PTRyudfwta-in-f27.1e100.net
MXaspmx3.googlemail.com(10)
A2607:f8b0:4023:1015::1a🇺🇸 Google2607:f8b0::/32
PTRyudfwta-in-f26.1e100.net
A172.253.135.27🇺🇸 Google172.253.135.0/24
PTRyudfwta-in-f27.1e100.net
TXTgoogle-site-verification=TaaJD-spTCKcvmMyeZI8QfQIl3z2pdpgCUs-C2czZAc
TXTv=spf1 a mx include:websitewelcome.com ~all
SOAns1.bluehost.comroot@box5717.bluehost.com 2024-12-10 #0

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774409337

Same first word

optimalbooks.com

DNS History

19 records (8 active, 11 former)

20162017201820192020202120222023202420252026NSns1.bluehost.comns2.bluehost.comns-us.1and1-dns.comns-us.1and1-dns.dens-us.1and1-dns.orgns-us.1and1-dns.usns53.domaincontrol.comns54.domaincontrol.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.commx00.1and1.commx01.1and1.comA162.241.252.140104.254.247.62607:f1c0:1000:8023:6c0d:8004:e8c7:801050.62.160.28
○NSns-us.1and1-dns.com2015-05-15 → 2016-04-04 · 4 obs
● 2015-05-15 19:06:54
● 2016-04-04 15:40:06
○ 2017-02-11 07:03:56
○ 2026-03-25 03:38:58
○NSns-us.1and1-dns.de2015-05-15 → 2016-04-04 · 4 obs
● 2015-05-15 19:06:54
● 2016-04-04 15:40:06
○ 2017-02-11 07:03:56
○ 2026-03-25 03:38:58
○NSns-us.1and1-dns.org2015-05-15 → 2016-04-04 · 4 obs
● 2015-05-15 19:06:54
● 2016-04-04 15:40:06
○ 2017-02-11 07:03:56
○ 2026-03-25 03:38:58
○NSns-us.1and1-dns.us2015-05-15 → 2016-04-04 · 4 obs
● 2015-05-15 19:06:54
● 2016-04-04 15:40:06
○ 2017-02-11 07:03:56
○ 2026-03-25 03:38:58
●NSns1.bluehost.com2026-03-11 → 2026-03-25 · 3 obs
○ 2018-12-01 03:14:44
● 2026-03-11 21:34:12
● 2026-03-25 03:38:58
●NSns2.bluehost.com2026-03-11 → 2026-03-25 · 3 obs
○ 2018-12-01 03:14:44
● 2026-03-11 21:34:12
● 2026-03-25 03:38:58
○NSns53.domaincontrol.com2018-12-01 → 2018-12-01 · 4 obs
○ 2017-02-11 07:03:56
● 2018-12-01 03:14:44
○ 2026-03-11 21:34:12
○ 2026-03-25 03:38:58
○NSns54.domaincontrol.com2018-12-01 → 2018-12-01 · 4 obs
○ 2017-02-11 07:03:56
● 2018-12-01 03:14:44
○ 2026-03-11 21:34:12
○ 2026-03-25 03:38:58
●MXalt1.aspmx.l.google.com2018-12-01 → 2026-03-25 · 3 obs
○ 2017-02-11 07:03:56
● 2018-12-01 03:14:44
● 2026-03-25 03:38:58
●MXalt2.aspmx.l.google.com2018-12-01 → 2026-03-25 · 3 obs
○ 2017-02-11 07:03:56
● 2018-12-01 03:14:44
● 2026-03-25 03:38:58
●MXaspmx.l.google.com2018-12-01 → 2026-03-25 · 3 obs
○ 2017-02-11 07:03:56
● 2018-12-01 03:14:44
● 2026-03-25 03:38:58
●MXaspmx2.googlemail.com2018-12-01 → 2026-03-25 · 3 obs
○ 2017-02-11 07:03:56
● 2018-12-01 03:14:44
● 2026-03-25 03:38:58
●MXaspmx3.googlemail.com2018-12-01 → 2026-03-25 · 3 obs
○ 2017-02-11 07:03:56
● 2018-12-01 03:14:44
● 2026-03-25 03:38:58
○MXmx00.1and1.com2015-05-15 → 2016-04-04 · 4 obs
● 2015-05-15 19:06:54
● 2016-04-04 15:40:06
○ 2017-02-11 07:03:56
○ 2026-03-25 03:38:58
○MXmx01.1and1.com2015-05-15 → 2016-04-04 · 4 obs
● 2015-05-15 19:06:54
● 2016-04-04 15:40:06
○ 2017-02-11 07:03:56
○ 2026-03-25 03:38:58
○A104.254.247.62015-05-15 → 2016-04-04 · 4 obs
● 2015-05-15 19:06:54
● 2016-04-04 15:40:06
○ 2017-02-11 07:03:56
○ 2026-03-25 03:38:58
●A162.241.252.1402026-03-11 → 2026-03-25 · 3 obs
○ 2018-12-01 03:14:44
● 2026-03-11 21:34:12
● 2026-03-25 03:38:58
○A2607:f1c0:1000:8023:6c0d:8004:e8c7:80102015-05-15 → 2016-04-04 · 4 obs
● 2015-05-15 19:06:54
● 2016-04-04 15:40:06
○ 2017-02-11 07:03:56
○ 2026-03-25 03:38:58
○A50.62.160.282018-12-01 → 2018-12-01 · 4 obs
○ 2017-02-11 07:03:56
● 2018-12-01 03:14:44
○ 2026-03-11 21:34:12
○ 2026-03-25 03:38:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
optimalbooks.comns1.bluehost.com, ns2.bluehost.com2 records

✅ Authoritative Response

Server:162.159.24.80

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for optimalbooks.com (unsigned zone)

⏱️ Timing

Total: 750ms | Queries: -

📄 Records

TypeCountSample Data
A1162.241.252.140
NS2ns2.bluehost.com, ns1.bluehost.com
MX5aspmx2.googlemail.com (pri: 5), aspmx.l.google.com (pri: 1)...
TXT2google-site-verification=TaaJD-spTCKcvmM, v=spf1 a mx include:websitewelcome.com ~
SOA1ns1.bluehost.com root.box5717.bluehost.c

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

optimalbooks.com points to a single IP number: 162.241.252.140.

other host names for instance mail.jesushisstory.com, savethegreens.today, cambrodelivers.com, charlesfwalker.com and warkfarm.co.uk share IP numbers with optimalbooks.com.

Name Servers

optimalbooks.com is delegated to two name servers: ns1.bluehost.com and ns2.bluehost.com.

optimalbooks.com shares the same name server setup as other domains, for example williscreative.com, archeyoyo.com, dirtylittleblondes.com, freddyzuniga.com and pc104.org.

optimalbooks.com at least partially shares its name servers with other domains, for instance futurelite.info.

Host names with one IP number:

The host ns1.bluehost.com points to 162.159.24.80 and the host ns2.bluehost.com points to 162.159.25.175.

Mail Servers

optimalbooks.com is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

optimalbooks.com shares mail servers with other domains at least partially, including ns500693.ns500693.ns500693.ns500734.ns500699.ns500693.ns500693.ns500699.ns500699.ns500699.ns500699.ns500683.ns500588.ns500612.ns500588.ns500632.ns500612.dtrkdll.com, ositsgps.com, ns500671.ns500742.ns500671.ns500731.ns500754.ns500754.ns500754.ns500688.ns500705.ns500671.ns500688.ns500704.ns500678.ns500666.ns500153.tenderladiesbz.com, ns500698.ns500698.ns500759.ns500758.ns500759.ns500698.ns500735.ns500698.ns500708.ns500698.ns500708.ns500708.ns500576.ns500619.ns500619.trackreceptor.com and exin.es.

these mail servers are often used with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers:

aspmx2.googlemail.com points to: 2607:f8b0:4023:2801::1a and 192.178.128.27.

aspmx3.googlemail.com points to: 2607:f8b0:4023:1015::1a and 172.253.135.27.

aspmx.l.google.com points to: 2607:f8b0:4023:c0b::1a and 142.250.101.26.

alt1.aspmx.l.google.com points to: 2800:3f0:4003:c0f::1b and 108.177.123.26.

alt2.aspmx.l.google.com points to: 2607:f8b0:4023:1015::1b and 172.253.135.27.

Names pointing to 172.253.135.27: aspmx3.googlemail.com and alt2.aspmx.l.google.com.