`devbook.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:4606^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:d945^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.70.6^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.217.69^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`raina.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26f1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`raina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2f1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`raina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22f1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`raina.ns.cloudflare.com`
		A	108.162.194.241^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`raina.ns.cloudflare.com`
		A	162.159.38.241^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`raina.ns.cloudflare.com`
		A	172.64.34.241^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`raina.ns.cloudflare.com`
NS	`terry.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bed^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`terry.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ed^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`terry.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ed^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`terry.ns.cloudflare.com`
		A	108.162.193.237^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`terry.ns.cloudflare.com`
		A	172.64.33.237^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`terry.ns.cloudflare.com`
		A	173.245.59.237^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`terry.ns.cloudflare.com`
MX	`_dc-mx.c3d6eede3950.devbook.net` ⭐
		A	103.134.152.29^{🇸🇬 CLOUDHOST-AS-AP103.134.152.0/24 Cloud Host Pte Ltd Telin3 Singapore}
			PTR	`sgz29.cloudhost.id`
TXT	`v=spf1 +mx +a +ip4:103.134.152.2 +include:spf.antispamcloud.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.70.6, 172.67.217.69
		IPv6 hints	2606:4700:3031::6815:4606, 2606:4700:3033::ac43:d945
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=101, name=cloudflare-ech.com
SOA	`raina.ns.cloudflare.com`dns@cloudflare.com serial=2402977290

`net`

	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=1778342422

Subdomains

www.devbook.net

Same first word

devbook.cz

devbook.fr

devbook.de

devbook.com

devbook.net

Similar names

obedkov.ru

bookdev.com

edvbook.de

bookved.com

bookved.ru

DNS History

15 records (7 active, 8 former)

○NSns1.indowebservice.net2015-05-31 → 2016-12-06 · 4 obs

● 2015-05-31 09:56:04
● 2016-12-06 00:09:44
○ 2026-02-27 00:20:18
○ 2026-05-09 16:06:14

○NSns2.indowebservice.net2015-05-31 → 2016-12-06 · 4 obs

● 2015-05-31 09:56:04
● 2016-12-06 00:09:44
○ 2026-02-27 00:20:18
○ 2026-05-09 16:06:14

●NSraina.ns.cloudflare.com2026-02-27 → 2026-05-09 · 3 obs

○ 2016-12-06 00:09:44
● 2026-02-27 00:20:18
● 2026-05-09 16:06:14

●NSterry.ns.cloudflare.com2026-02-27 → 2026-05-09 · 3 obs

○ 2016-12-06 00:09:44
● 2026-02-27 00:20:18
● 2026-05-09 16:06:14

●MX_dc-mx.c3d6eede3950.devbook.net2026-02-27 → 2026-05-09 · 3 obs

○ 2016-12-06 00:09:44
● 2026-02-27 00:20:18
● 2026-05-09 16:06:14

○MXalt1.aspmx.l.google.com2015-05-31 → 2016-12-06 · 4 obs

● 2015-05-31 09:56:04
● 2016-12-06 00:09:44
○ 2026-02-27 00:20:18
○ 2026-05-09 16:06:14

○MXalt2.aspmx.l.google.com2015-05-31 → 2016-12-06 · 4 obs

● 2015-05-31 09:56:04
● 2016-12-06 00:09:44
○ 2026-02-27 00:20:18
○ 2026-05-09 16:06:14

○MXaspmx.l.google.com2015-05-31 → 2016-12-06 · 4 obs

● 2015-05-31 09:56:04
● 2016-12-06 00:09:44
○ 2026-02-27 00:20:18
○ 2026-05-09 16:06:14

○MXaspmx2.googlemail.com2015-05-31 → 2016-12-06 · 4 obs

● 2015-05-31 09:56:04
● 2016-12-06 00:09:44
○ 2026-02-27 00:20:18
○ 2026-05-09 16:06:14

○MXaspmx3.googlemail.com2015-05-31 → 2016-12-06 · 4 obs

● 2015-05-31 09:56:04
● 2016-12-06 00:09:44
○ 2026-02-27 00:20:18
○ 2026-05-09 16:06:14

●A104.21.70.62026-02-27 → 2026-05-09 · 3 obs

○ 2016-12-06 00:09:44
● 2026-02-27 00:20:18
● 2026-05-09 16:06:14

●A172.67.217.692026-02-27 → 2026-05-09 · 3 obs

○ 2016-12-06 00:09:44
● 2026-02-27 00:20:18
● 2026-05-09 16:06:14

●A2606:4700:3031::6815:46062026-02-27 → 2026-05-09 · 3 obs

○ 2016-12-06 00:09:44
● 2026-02-27 00:20:18
● 2026-05-09 16:06:14

●A2606:4700:3033::ac43:d9452026-02-27 → 2026-05-09 · 3 obs

○ 2016-12-06 00:09:44
● 2026-02-27 00:20:18
● 2026-05-09 16:06:14

○A50.87.14.1032015-05-31 → 2016-12-06 · 4 obs

● 2015-05-31 09:56:04
● 2016-12-06 00:09:44
○ 2026-02-27 00:20:18
○ 2026-05-09 16:06:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	b.gtld-servers.net, e.gtld-servers.net, a.gtld-servers.net, k.gtld-servers.net...	-
devbook.net	terry.ns.cloudflare.com, raina.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.237

NS records: terry.ns.cloudflare.com, raina.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for devbook.net (unsigned zone)

⏱️ Timing

Total: 598ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.70.6, 172.67.217.69`
AAAA	2	`2606:4700:3031::6815:4606, 2606:4700:3033::ac43:d945`
NS	2	`raina.ns.cloudflare.com, terry.ns.cloudflare.com`
MX	2	`_dc-mx.c3d6eede3950.devbook.net (pri: 0), _dc-mx.c3d6eede3950.devbook.net (pri: 1)`
TXT	1	`v=spf1 +mx +a +ip4:103.134.152.2 +includ`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`raina.ns.cloudflare.com dns.cloudflare.c`

Analysis

Hierarchy

devbook.net is parent of www.devbook.net.

IP Addresses

devbook.net points to four IP numbers: 2606:4700:3031::6815:4606, 2606:4700:3033::ac43:d945, 104.21.70.6 and 172.67.217.69.

Other host names, for instance engineerx.fit, www.9346r.com, roswellentclinic.com, gttobacco.com and installationwindows.com share IP numbers with devbook.net.

Name Servers

devbook.net's delegation is to two name servers raina.ns.cloudflare.com and terry.ns.cloudflare.com.

devbook.net shares the same name server configuration as other domains, such as xzz3.com, dilmahtea.me, dilmahtea.nl, 222822.xyz and (0x787878)hiroya.com.

devbook.net at least partially shares its name servers with other domains, for instance slouchstoppah.com, intheskyy.bond, jawn-e.pl, webdeeth.com and onebellacasa.com.

These name servers are commonly used with michael.ns.cloudflare.com, fred.ns.cloudflare.com and arvind.ns.cloudflare.com.

Host names with six IP numbers:

raina.ns.cloudflare.com points to: 2606:4700:50::a29f:26f1, 2803:f800:50::6ca2:c2f1, 2a06:98c1:50::ac40:22f1, 108.162.194.241, 162.159.38.241 and 172.64.34.241.

terry.ns.cloudflare.com points to: 2606:4700:58::adf5:3bed, 2803:f800:50::6ca2:c1ed, 2a06:98c1:50::ac40:21ed, 108.162.193.237, 172.64.33.237 and 173.245.59.237.

Mail Servers

devbook.net is served by a single mail server, _dc-mx.c3d6eede3950.devbook.net.

_dc-mx.c3d6eede3950.devbook.net points to IP number 103.134.152.29.

devbook.net - robtex.com

devbook.net

net

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`devbook.net`

`net`