outsbook.com - robtex.com

outsbook.com

DNSSEC⚠️ Not signed
A2604:a880:800:a1::7f3:b001🇺🇸 DIGITALOCEAN2604:a880:800::/48 DigitalOcean
PTRoutsbook.com
A138.197.7.76🇺🇸 DIGITALOCEAN138.197.0.0/20 DigitalOcean
NSns1.digitalocean.com ⭐
A2606:4700:52::ac40:34d2🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.digitalocean.com
A172.64.52.210🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.digitalocean.com
NSns2.digitalocean.com
A2606:4700:5a::ac40:3515🇺🇸 Cloudflare2606:4700:5a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.digitalocean.com
A172.64.53.21🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.digitalocean.com
NSns3.digitalocean.com ⚠️ Not in parent delegation
A2606:4700:52::ac40:31d1🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns3.digitalocean.com
A172.64.49.209🇺🇸 Cloudflare172.64.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns3.digitalocean.com
MXmx.outsbook.com ⭐
A138.197.7.76🇺🇸 DIGITALOCEAN138.197.0.0/20 DigitalOcean
PTRoutsbook.com
TXTfirebase=outsbookschool
TXTv=spf1 include:_spf.firebasemail.com ~all
SOAns1.digitalocean.comhostmaster@outsbook.com serial=1772683318

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=1774633287

PTR for

1.0.0.b.3.f.7.0.0.0.0.0.0.0.0.0.1.a.0.0.0.0.8.0.0.8.8.a.4.0.6.2.ip6.arpa
76.7.197.138.in-addr.arpa

Previously MX for

outsbook.com

Subdomains

mx.outsbook.com

Same first word

outsbook.com

Similar names

outbooks.net
stoubook.com
outbooks.com
bookouts.com
booksout.com
outbooks.com.au
outbooks.co.uk
booktous.com

DNS History

13 records (6 active, 7 former)

20162017201820192020202120222023202420252026NSns1.digitalocean.comns2.digitalocean.comns3.digitalocean.comns1.outsbook.comns1663.websitewelcome.comns1664.websitewelcome.comns2.outsbook.comMXmx.outsbook.comoutsbook.comA138.197.7.762604:a880:800:a1::7f3:b001192.185.193.137192.254.173.190
●NSns1.digitalocean.com2017-10-11 → 2026-03-27 · 3 obs
○ 2016-11-26 23:16:16
● 2017-10-11 04:09:38
● 2026-03-27 17:44:24
○NSns1.outsbook.com2016-04-15 → 2016-11-26 · 5 obs
○ 2016-01-25 04:08:28
● 2016-04-15 21:32:44
● 2016-11-26 23:16:16
○ 2017-10-11 04:09:38
○ 2026-03-27 17:44:24
○NSns1663.websitewelcome.com2015-05-13 → 2016-01-25 · 4 obs
● 2015-05-13 23:34:52
● 2016-01-25 04:08:28
○ 2016-04-15 21:32:44
○ 2026-03-27 17:44:24
○NSns1664.websitewelcome.com2015-05-13 → 2016-01-25 · 4 obs
● 2015-05-13 23:34:52
● 2016-01-25 04:08:28
○ 2016-04-15 21:32:44
○ 2026-03-27 17:44:24
●NSns2.digitalocean.com2017-10-11 → 2026-03-27 · 3 obs
○ 2016-11-26 23:16:16
● 2017-10-11 04:09:38
● 2026-03-27 17:44:24
○NSns2.outsbook.com2016-04-15 → 2016-11-26 · 5 obs
○ 2016-01-25 04:08:28
● 2016-04-15 21:32:44
● 2016-11-26 23:16:16
○ 2017-10-11 04:09:38
○ 2026-03-27 17:44:24
●NSns3.digitalocean.com2017-10-11 → 2026-03-27 · 3 obs
○ 2016-11-26 23:16:16
● 2017-10-11 04:09:38
● 2026-03-27 17:44:24
●MXmx.outsbook.com2026-03-18 → 2026-03-27 · 3 obs
○ 2017-10-11 04:09:38
● 2026-03-18 08:47:22
● 2026-03-27 17:44:24
○MXoutsbook.com2015-05-13 → 2016-11-26 · 4 obs
● 2015-05-13 23:34:52
● 2016-11-26 23:16:16
○ 2017-10-11 04:09:38
○ 2026-03-27 17:44:24
●A138.197.7.762017-10-11 → 2026-03-27 · 3 obs
○ 2016-11-26 23:16:16
● 2017-10-11 04:09:38
● 2026-03-27 17:44:24
○A192.185.193.1372015-05-13 → 2016-01-25 · 4 obs
● 2015-05-13 23:34:52
● 2016-01-25 04:08:28
○ 2016-04-15 21:32:44
○ 2026-03-27 17:44:24
○A192.254.173.1902016-04-15 → 2016-11-26 · 5 obs
○ 2016-01-25 04:08:28
● 2016-04-15 21:32:44
● 2016-11-26 23:16:16
○ 2017-10-11 04:09:38
○ 2026-03-27 17:44:24
●A2604:a880:800:a1::7f3:b0012017-10-11 → 2026-03-27 · 3 obs
○ 2016-11-26 23:16:16
● 2017-10-11 04:09:38
● 2026-03-27 17:44:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comf.gtld-servers.net, e.gtld-servers.net, a.gtld-servers.net, g.gtld-servers.net...-
outsbook.comns1.digitalocean.com, ns2.digitalocean.com2 records

✅ Authoritative Response

Server:172.64.52.210

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for outsbook.com (unsigned zone)

⏱️ Timing

Total: 268ms | Queries: -

📄 Records

TypeCountSample Data
A1138.197.7.76
AAAA12604:a880:800:a1::7f3:b001
NS3ns3.digitalocean.com, ns2.digitalocean.com...
MX1mx.outsbook.com (pri: 1)
TXT2firebase=outsbookschool, v=spf1 include:_spf.firebasemail.com ~al
SOA1ns1.digitalocean.com hostmaster.outsbook

📌 Glue Records Collected

Total: 2

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

Analysis

Hierarchy

The parent of mx.outsbook.com is outsbook.com.

IP Addresses

outsbook.com points to two IP numbers: 2604:a880:800:a1::7f3:b001 and 138.197.7.76.

Other host names, for instance mx.outsbook.com share IP numbers with outsbook.com.

Name Servers

outsbook.com is delegated to three name servers: ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.

outsbook.com at least partially shares name servers with other domains, for instance kickhead.in, webvital.se, ukuleletricks.com, totalgpt.ai and 1.0.0.6.0.a.2.1.0.0.0.0.0.0.0.0.0.d.0.0.2.0.0.0.0.8.8.a.4.0.6.2.ip6.arpa.

Host ns1.digitalocean.com points to 2606:4700:52::ac40:34d2 and 172.64.52.210; Host ns2.digitalocean.com points to 2606:4700:5a::ac40:3515 and 172.64.53.21; Host ns3.digitalocean.com points to 2606:4700:52::ac40:31d1 and 172.64.49.209.

Mail Servers

outsbook.com is handled by a single mail server, mx.outsbook.com.

mx.outsbook.com points to a single IP: 138.197.7.76.