it4books.com - robtex.com

it4books.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:2ac9🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:d20d🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.42.201Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.210.13🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSerin.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a71🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRerin.ns.cloudflare.com
A2803:f800:50::6ca2:c071🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRerin.ns.cloudflare.com
A2a06:98c1:50::ac40:2071🇺🇸 Cloudflare2a06:98c1:50::/45
PTRerin.ns.cloudflare.com
A108.162.192.113🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRerin.ns.cloudflare.com
A172.64.32.113🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRerin.ns.cloudflare.com
A173.245.58.113🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRerin.ns.cloudflare.com
NShank.ns.cloudflare.com
A2606:4700:58::adf5:3b74🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhank.ns.cloudflare.com
A2803:f800:50::6ca2:c174🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRhank.ns.cloudflare.com
A2a06:98c1:50::ac40:2174🇺🇸 Cloudflare2a06:98c1:50::/45
PTRhank.ns.cloudflare.com
A108.162.193.116🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhank.ns.cloudflare.com
A172.64.33.116🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhank.ns.cloudflare.com
A173.245.59.116🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhank.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c1b::1b🇺🇸 Google2607:f8b0:4004::/48
PTRwv-in-f27.1e100.net
A172.253.62.27🇺🇸 Google172.253.62.0/24
PTRbc-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4023:2801::1b🇺🇸 Google2607:f8b0::/32
PTRlcausi-in-f27.1e100.net
A192.178.128.26🇺🇸 Google192.178.128.0/24
PTRlcausi-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1b🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f27.1e100.net
A192.178.223.26🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2607:f8b0:4003:c4a::1a🇺🇸 Google2607:f8b0:4003::/48
PTRyutulth-in-f26.1e100.net
A142.251.96.27🇺🇸 Google142.250.0.0/15
PTRyutulth-in-f27.1e100.net
TXTv=spf1 include:_spf.google.com -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.42.201, 172.67.210.13
IPv62606:4700:3030::6815:2ac9, 2606:4700:3035::ac43:d20d
SOAerin.ns.cloudflare.comdns@cloudflare.com serial=2399670081

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=1774931307

Same first word

it4books.com

DNS History

16 records (11 active, 5 former)

20162017201820192020202120222023202420252026NSerin.ns.cloudflare.comhank.ns.cloudflare.comns1.hover.comns2.hover.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.commx.hover.com.cust.hostedemail.comA104.21.42.201172.67.210.132606:4700:3030::6815:2ac92606:4700:3035::ac43:d20d64.98.145.3064.99.80.30
●NSerin.ns.cloudflare.com2026-03-04 → 2026-03-31 · 3 obs
○ 2017-07-06 16:42:56
● 2026-03-04 16:32:40
● 2026-03-31 04:35:36
●NShank.ns.cloudflare.com2026-03-04 → 2026-03-31 · 3 obs
○ 2017-07-06 16:42:56
● 2026-03-04 16:32:40
● 2026-03-31 04:35:36
○NSns1.hover.com2015-07-23 → 2017-07-06 · 4 obs
● 2015-07-23 21:01:06
● 2017-07-06 16:42:56
○ 2026-03-04 16:32:40
○ 2026-03-31 04:35:36
○NSns2.hover.com2015-07-23 → 2017-07-06 · 4 obs
● 2015-07-23 21:01:06
● 2017-07-06 16:42:56
○ 2026-03-04 16:32:40
○ 2026-03-31 04:35:36
●MXalt1.aspmx.l.google.com2026-03-04 → 2026-03-31 · 3 obs
○ 2017-07-06 16:42:56
● 2026-03-04 16:32:40
● 2026-03-31 04:35:36
●MXalt2.aspmx.l.google.com2026-03-04 → 2026-03-31 · 3 obs
○ 2017-07-06 16:42:56
● 2026-03-04 16:32:40
● 2026-03-31 04:35:36
●MXalt3.aspmx.l.google.com2026-03-04 → 2026-03-31 · 3 obs
○ 2017-07-06 16:42:56
● 2026-03-04 16:32:40
● 2026-03-31 04:35:36
●MXalt4.aspmx.l.google.com2026-03-04 → 2026-03-31 · 3 obs
○ 2017-07-06 16:42:56
● 2026-03-04 16:32:40
● 2026-03-31 04:35:36
●MXaspmx.l.google.com2026-03-04 → 2026-03-31 · 3 obs
○ 2017-07-06 16:42:56
● 2026-03-04 16:32:40
● 2026-03-31 04:35:36
○MXmx.hover.com.cust.hostedemail.com2015-07-23 → 2017-07-06 · 4 obs
● 2015-07-23 21:01:06
● 2017-07-06 16:42:56
○ 2026-03-04 16:32:40
○ 2026-03-31 04:35:36
●A104.21.42.2012026-03-04 → 2026-03-31 · 3 obs
○ 2017-07-06 16:42:56
● 2026-03-04 16:32:40
● 2026-03-31 04:35:36
●A172.67.210.132026-03-04 → 2026-03-31 · 3 obs
○ 2017-07-06 16:42:56
● 2026-03-04 16:32:40
● 2026-03-31 04:35:36
●A2606:4700:3030::6815:2ac92026-03-04 → 2026-03-31 · 3 obs
○ 2017-07-06 16:42:56
● 2026-03-04 16:32:40
● 2026-03-31 04:35:36
●A2606:4700:3035::ac43:d20d2026-03-04 → 2026-03-31 · 3 obs
○ 2017-07-06 16:42:56
● 2026-03-04 16:32:40
● 2026-03-31 04:35:36
○A64.98.145.302016-09-08 → 2017-07-06 · 5 obs
○ 2016-03-07 19:59:56
● 2016-09-08 03:38:04
● 2017-07-06 16:42:56
○ 2026-03-04 16:32:40
○ 2026-03-31 04:35:36
○A64.99.80.302015-07-23 → 2016-03-07 · 4 obs
● 2015-07-23 21:01:06
● 2016-03-07 19:59:56
○ 2016-09-08 03:38:04
○ 2026-03-31 04:35:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comd.gtld-servers.net, b.gtld-servers.net, l.gtld-servers.net, a.gtld-servers.net...-
it4books.comerin.ns.cloudflare.com, hank.ns.cloudflare.com12 records

✅ Authoritative Response

Server:172.64.32.113

NS records: erin.ns.cloudflare.com, hank.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for it4books.com (unsigned zone)

⏱️ Timing

Total: 184ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.210.13, 104.21.42.201
AAAA22606:4700:3030::6815:2ac9, 2606:4700:3035::ac43:d20d
NS2erin.ns.cloudflare.com, hank.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT1v=spf1 include:_spf.google.com -all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1erin.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (erin.ns.cloudflare.com, erin.ns.cloudflare.com, erin.ns.cloudflare.com...)

Analysis

IP Addresses

it4books.com resolves to four IP numbers: 2606:4700:3030::6815:2ac9, 2606:4700:3035::ac43:d20d, 104.21.42.201 and 172.67.210.13.

Other host names such as 68639imu9kniikz19q6cu4zm.ipayrr.com, meinmech.ch, zzfgj.com.cn, staging.atomicocommunity.com and slot88jp12.ink share IPs with it4books.com.

Name Servers

it4books.com is delegated to two name servers: erin.ns.cloudflare.com and hank.ns.cloudflare.com.

it4books.com shares the same name server setup as bunge.ru, e-carecenters.com, ibot3.de, ninepos.com and bungeglobal.com.

it4books.com at least partially shares name servers with other domains, for instance 7cfb.com, parames.com.mx, zariniran.com, magro-blechverarbeitung.ch and tenerife-business.com.

These name servers are commonly used with dolly.ns.cloudflare.com and leo.ns.cloudflare.com.

Host names with six IP numbers:

erin.ns.cloudflare.com points to 2606:4700:50::adf5:3a71, 2803:f800:50::6ca2:c071, 2a06:98c1:50::ac40:2071, 108.162.192.113, 172.64.32.113 and 173.245.58.113.

hank.ns.cloudflare.com points to 2606:4700:58::adf5:3b74, 2803:f800:50::6ca2:c174, 2a06:98c1:50::ac40:2174, 108.162.193.116, 172.64.33.116 and 173.245.59.116.

Mail Servers

Five mail servers handle it4books.com: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

it4books.com shares at least partially some mail servers with other domains, including ns500731.ns500731.ns500742.ns500671.ns500754.ns500671.ns500704.ns500704.ns500704.ns500704.ns500688.lustychickser.com, globalminingcampaign.org, simplesign.io, afcoxnard.com and togglebit.net.

these mail servers are commonly used with aspmx3.googlemail.com and aspmx2.googlemail.com.

Host names with two IP numbers:

Hostname aspmx.l.google.com points to 2607:f8b0:4004:c1b::1b and 172.253.62.27.

Hostname alt1.aspmx.l.google.com points to 2607:f8b0:4023:2801::1b and 192.178.128.26.

Hostname alt2.aspmx.l.google.com points to 2a00:1450:400b:c02::1a and 172.253.116.26.

Hostname alt3.aspmx.l.google.com points to 2a00:1450:4009:c0f::1b and 192.178.223.26.

Hostname alt4.aspmx.l.google.com points to 2607:f8b0:4003:c4a::1a and 142.251.96.27.