devbook.com - dns.ninja

`devbook.com`

DNSSEC	⚠️ Not signed
A	52.20.84.62^{🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix}
		PTR	`ec2-52-20-84-62.compute-1.amazonaws.com`
NS	`ns1.atom.com` ⭐
		A	44.219.81.145^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-219-81-145.compute-1.amazonaws.com`
NS	`ns2.atom.com`
		A	50.19.240.86^{🇺🇸 Amazon50.19.128.0/17 EC2 IAD prefix}
			PTR	`ec2-50-19-240-86.compute-1.amazonaws.com`
MX	`mx1.improvmx.com` ⭐
		A	2a05:d012:412:e201:88aa:e7b9:7a43:12d7^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e202:f36:2c1f:1a49:d38a^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e203:373a:f51a:4a85:1d25^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	13.37.195.136^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
			PTR	`ec2-13-37-195-136.eu-west-3.compute.amazonaws.com`
		A	15.236.236.160^{🇫🇷 Amazon15.236.0.0/15 EC2 CDG prefix}
			PTR	`ec2-15-236-236-160.eu-west-3.compute.amazonaws.com`
		A	35.181.18.45^{🇫🇷 Amazon35.181.0.0/16 EC2 CDG prefix}
			PTR	`ec2-35-181-18-45.eu-west-3.compute.amazonaws.com`
MX	`mx2.improvmx.com`⁽²⁰⁾
		A	2a05:d012:412:e201:1f6e:f6e4:8fd7:4678^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e202:e81e:cc44:3b53:8a3d^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e203:7e33:3d9c:28d7:ee20^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	13.36.107.63^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
			PTR	`ec2-13-36-107-63.eu-west-3.compute.amazonaws.com`
		A	13.36.222.39^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
			PTR	`ec2-13-36-222-39.eu-west-3.compute.amazonaws.com`
		A	15.236.61.92^{🇫🇷 Amazon15.236.0.0/15 EC2 CDG prefix}
			PTR	`ec2-15-236-61-92.eu-west-3.compute.amazonaws.com`
TXT	`v=spf1 include:spf.improvmx.com ~all`
SOA	`ns1.atom.com`hostmaster@devbook.com 2026-05-28 #3

`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=1782297850

Same first word

devbook.cz

devbook.de

devbook.com

devbook.net

devbook.xyz

Similar names

obedkov.ru

bookdev.com

edvbook.de

bookved.com

bookved.ru

DNS History

11 records (5 active, 6 former)

●NSns1.atom.com2026-02-18 → 2026-06-24 · 3 obs

○ 2016-05-31 16:17:18
● 2026-02-18 00:55:54
● 2026-06-24 11:05:02

○NSns1.digitalocean.com2015-06-14 → 2016-05-31 · 4 obs

● 2015-06-14 19:17:26
● 2016-05-31 16:17:18
○ 2026-02-18 00:55:54
○ 2026-06-24 11:05:02

●NSns2.atom.com2026-02-18 → 2026-06-24 · 3 obs

○ 2016-05-31 16:17:18
● 2026-02-18 00:55:54
● 2026-06-24 11:05:02

○NSns2.digitalocean.com2015-06-14 → 2016-05-31 · 4 obs

● 2015-06-14 19:17:26
● 2016-05-31 16:17:18
○ 2026-02-18 00:55:54
○ 2026-06-24 11:05:02

○NSns3.digitalocean.com2015-06-14 → 2016-05-31 · 4 obs

● 2015-06-14 19:17:26
● 2016-05-31 16:17:18
○ 2026-02-18 00:55:54
○ 2026-06-24 11:05:02

○MXmx.zohomail.com2015-06-14 → 2016-05-31 · 4 obs

● 2015-06-14 19:17:26
● 2016-05-31 16:17:18
○ 2026-02-18 00:55:54
○ 2026-06-24 11:05:02

●MXmx1.improvmx.com2026-02-18 → 2026-06-24 · 3 obs

○ 2016-05-31 16:17:18
● 2026-02-18 00:55:54
● 2026-06-24 11:05:02

●MXmx2.improvmx.com2026-02-18 → 2026-06-24 · 3 obs

○ 2016-05-31 16:17:18
● 2026-02-18 00:55:54
● 2026-06-24 11:05:02

○MXmx2.zohomail.com2015-06-14 → 2016-05-31 · 4 obs

● 2015-06-14 19:17:26
● 2016-05-31 16:17:18
○ 2026-02-18 00:55:54
○ 2026-06-24 11:05:02

○A192.241.246.1442015-06-14 → 2016-05-31 · 4 obs

● 2015-06-14 19:17:26
● 2016-05-31 16:17:18
○ 2026-02-18 00:55:54
○ 2026-06-24 11:05:02

●A52.20.84.622026-02-18 → 2026-06-24 · 3 obs

○ 2016-05-31 16:17:18
● 2026-02-18 00:55:54
● 2026-06-24 11:05:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, i.gtld-servers.net, c.gtld-servers.net, m.gtld-servers.net...	-
devbook.com	ns1.atom.com, ns2.atom.com	2 records

✅ Authoritative Response

Server:44.219.81.145

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for devbook.com (unsigned zone)

⏱️ Timing

Total: 3226ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`52.20.84.62`
NS	2	`ns2.atom.com, ns1.atom.com`
MX	2	`mx2.improvmx.com (pri: 20), mx1.improvmx.com (pri: 10)`
TXT	1	`v=spf1 include:spf.improvmx.com ~all`
SOA	1	`ns1.atom.com hostmaster.devbook.com`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

devbook.com directs to one IP number, which is 52.20.84.62.

Among the host names that share IP numbers with devbook.com are vxhi.com, exultar.com, vastelite.com and two others.

Name Servers

The NS records for devbook.com delegate to ns1.atom.com and ns2.atom.com.

devbook.com has the same name server delegation as a number of other domains, such as voguelab.com, swiftprice.com, chatchic.com and two more.

devbook.com partially shares its NS delegation with several other domains, including trimpress.com, noinsomnia.com, internetsh.com and two others.

These name servers are regularly seen alongside verification-j8yfce5btmdxy4vrwdyypd.ns101.verify.hn and verification-yhehuhyrvixzqbtydgzisf.ns101.verify.hn as name servers.

ns1.atom.com resolves to 44.219.81.145. ns2.atom.com resolves to 50.19.240.86. Both host names point to a single IP number.

Mail Servers

The MX records for devbook.com point to two mail servers: mx1.improvmx.com and mx2.improvmx.com.

devbook.com has the same mail server arrangement as a number of other domains, for example startupedge.co.za, billionairebookclub.net, brewed.today and two more.

devbook.com partially shares its mail servers with other domains; known examples include 5am.co.uk, digisapience.com and cheaterscocoabeach.com.

Host names resolving to 6 IP numbers:

mx1.improvmx.com maps to 13.37.195.136, 15.236.236.160, 35.181.18.45 and 3 additional IP addresses.

mx2.improvmx.com maps to 13.36.107.63, 13.36.222.39, 15.236.61.92 and 3 additional IP addresses.