`dbookapp.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:c5eb^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:222e^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.34.46^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.197.235^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`hans.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3baf^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hans.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1af^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hans.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21af^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hans.ns.cloudflare.com`
		A	108.162.193.175^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hans.ns.cloudflare.com`
		A	172.64.33.175^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hans.ns.cloudflare.com`
		A	173.245.59.175^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hans.ns.cloudflare.com`
NS	`ines.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aa4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ines.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0a4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ines.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20a4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ines.ns.cloudflare.com`
		A	108.162.192.164^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ines.ns.cloudflare.com`
		A	172.64.32.164^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ines.ns.cloudflare.com`
		A	173.245.58.164^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ines.ns.cloudflare.com`
MX	`linda.mx.cloudflare.net` ⭐
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`amir.mx.cloudflare.net`⁽⁷⁰⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`isaac.mx.cloudflare.net`⁽⁷⁰⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
TXT	`ALIASfordbookapp.herokuapp.com`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.34.46, 172.67.197.235
		IPv6	2606:4700:3034::ac43:c5eb, 2606:4700:3036::6815:222e
SOA	`hans.ns.cloudflare.com`dns@cloudflare.com serial=2395339355

`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=1771291435

DNS History

40 records (9 active, 31 former)

●NShans.ns.cloudflare.com2026-03-12 → 2026-03-12 · 2 obs

○ 2018-01-07 18:47:36
● 2026-03-12 04:00:12

●NSines.ns.cloudflare.com2026-03-12 → 2026-03-12 · 2 obs

○ 2018-01-07 18:47:36
● 2026-03-12 04:00:12

○NSns-1181.awsdns-19.org2015-08-17 → 2018-01-07 · 3 obs

● 2015-08-17 06:07:56
● 2018-01-07 18:47:36
○ 2026-03-12 04:00:12

○NSns-1997.awsdns-57.co.uk2015-08-17 → 2018-01-07 · 3 obs

● 2015-08-17 06:07:56
● 2018-01-07 18:47:36
○ 2026-03-12 04:00:12

○NSns-62.awsdns-07.com2015-08-17 → 2018-01-07 · 3 obs

● 2015-08-17 06:07:56
● 2018-01-07 18:47:36
○ 2026-03-12 04:00:12

○NSns-818.awsdns-38.net2015-08-17 → 2018-01-07 · 3 obs

● 2015-08-17 06:07:56
● 2018-01-07 18:47:36
○ 2026-03-12 04:00:12

○MXalt1.aspmx.l.google.com2015-08-17 → 2018-01-07 · 3 obs

● 2015-08-17 06:07:56
● 2018-01-07 18:47:36
○ 2026-03-12 04:00:12

○MXalt2.aspmx.l.google.com2015-08-17 → 2018-01-07 · 3 obs

● 2015-08-17 06:07:56
● 2018-01-07 18:47:36
○ 2026-03-12 04:00:12

●MXamir.mx.cloudflare.net2026-03-12 → 2026-03-12 · 2 obs

○ 2018-01-07 18:47:36
● 2026-03-12 04:00:12

○MXaspmx.l.google.com2015-08-17 → 2018-01-07 · 3 obs

● 2015-08-17 06:07:56
● 2018-01-07 18:47:36
○ 2026-03-12 04:00:12

○MXaspmx2.googlemail.com2015-08-17 → 2018-01-07 · 3 obs

● 2015-08-17 06:07:56
● 2018-01-07 18:47:36
○ 2026-03-12 04:00:12

○MXaspmx3.googlemail.com2015-08-17 → 2018-01-07 · 3 obs

● 2015-08-17 06:07:56
● 2018-01-07 18:47:36
○ 2026-03-12 04:00:12

●MXisaac.mx.cloudflare.net2026-03-12 → 2026-03-12 · 2 obs

○ 2018-01-07 18:47:36
● 2026-03-12 04:00:12

●MXlinda.mx.cloudflare.net2026-03-12 → 2026-03-12 · 2 obs

○ 2018-01-07 18:47:36
● 2026-03-12 04:00:12

●A104.21.34.462026-03-12 → 2026-03-12 · 2 obs

○ 2018-01-07 18:47:36
● 2026-03-12 04:00:12

●A172.67.197.2352026-03-12 → 2026-03-12 · 2 obs

○ 2018-01-07 18:47:36
● 2026-03-12 04:00:12

●A2606:4700:3034::ac43:c5eb2026-03-12 → 2026-03-12 · 2 obs

○ 2018-01-07 18:47:36
● 2026-03-12 04:00:12

●A2606:4700:3036::6815:222e2026-03-12 → 2026-03-12 · 2 obs

○ 2018-01-07 18:47:36
● 2026-03-12 04:00:12

○A52.216.1.2102018-01-07 → 2018-01-07 · 3 obs

○ 2016-11-25 01:42:42
● 2018-01-07 18:47:36
○ 2026-03-12 04:00:12

○A52.216.130.982018-01-07 → 2018-01-07 · 3 obs

○ 2016-11-25 01:42:42
● 2018-01-07 18:47:36
○ 2026-03-12 04:00:12

○A52.216.160.2022018-01-07 → 2018-01-07 · 3 obs

○ 2016-11-25 01:42:42
● 2018-01-07 18:47:36
○ 2026-03-12 04:00:12

○A52.216.228.822018-01-07 → 2018-01-07 · 3 obs

○ 2016-11-25 01:42:42
● 2018-01-07 18:47:36
○ 2026-03-12 04:00:12

○A52.216.80.2262018-01-07 → 2018-01-07 · 3 obs

○ 2016-11-25 01:42:42
● 2018-01-07 18:47:36
○ 2026-03-12 04:00:12

○A54.231.10.2442015-08-17 → 2015-08-17 · 3 obs

● 2015-08-17 06:07:56
○ 2018-01-07 18:47:36
○ 2026-03-12 04:00:12

○A54.231.11.282015-08-17 → 2015-08-17 · 3 obs

● 2015-08-17 06:07:56
○ 2018-01-07 18:47:36
○ 2026-03-12 04:00:12

○A54.231.114.22018-01-07 → 2018-01-07 · 3 obs

○ 2016-11-25 01:42:42
● 2018-01-07 18:47:36
○ 2026-03-12 04:00:12

○A54.231.13.2122015-08-17 → 2015-08-17 · 3 obs

● 2015-08-17 06:07:56
○ 2018-01-07 18:47:36
○ 2026-03-12 04:00:12

○A54.231.13.2522015-08-17 → 2015-08-17 · 3 obs

● 2015-08-17 06:07:56
○ 2018-01-07 18:47:36
○ 2026-03-12 04:00:12

○A54.231.14.122015-12-05 → 2015-12-05 · 4 obs

○ 2015-08-17 06:07:56
● 2015-12-05 00:44:04
○ 2016-02-05 08:02:12
○ 2026-03-12 04:00:12

○A54.231.16.2522016-02-05 → 2016-02-05 · 4 obs

○ 2015-12-05 00:44:04
● 2016-02-05 08:02:12
○ 2016-08-04 11:45:16
○ 2026-03-12 04:00:12

○A54.231.18.1082015-08-17 → 2015-08-17 · 3 obs

● 2015-08-17 06:07:56
○ 2018-01-07 18:47:36
○ 2026-03-12 04:00:12

○A54.231.40.892016-08-04 → 2016-08-04 · 4 obs

○ 2016-02-05 08:02:12
● 2016-08-04 11:45:16
○ 2016-11-25 01:42:42
○ 2026-03-12 04:00:12

○A54.231.49.662018-01-07 → 2018-01-07 · 3 obs

○ 2016-11-25 01:42:42
● 2018-01-07 18:47:36
○ 2026-03-12 04:00:12

○A54.231.50.732018-01-07 → 2018-01-07 · 3 obs

○ 2016-11-25 01:42:42
● 2018-01-07 18:47:36
○ 2026-03-12 04:00:12

○A54.231.65.682015-08-17 → 2015-08-17 · 3 obs

● 2015-08-17 06:07:56
○ 2015-12-05 00:44:04
○ 2026-03-12 04:00:12

○A54.231.8.1562015-08-17 → 2015-08-17 · 3 obs

● 2015-08-17 06:07:56
○ 2018-01-07 18:47:36
○ 2026-03-12 04:00:12

○A54.231.81.1062016-11-25 → 2016-11-25 · 4 obs

○ 2016-08-04 11:45:16
● 2016-11-25 01:42:42
○ 2018-01-07 18:47:36
○ 2026-03-12 04:00:12

○A54.231.83.172018-01-07 → 2018-01-07 · 3 obs

○ 2016-11-25 01:42:42
● 2018-01-07 18:47:36
○ 2026-03-12 04:00:12

○A54.231.98.1222015-08-17 → 2015-08-17 · 3 obs

● 2015-08-17 06:07:56
○ 2018-01-07 18:47:36
○ 2026-03-12 04:00:12

○A54.231.98.902015-08-17 → 2015-08-17 · 3 obs

● 2015-08-17 06:07:56
○ 2018-01-07 18:47:36
○ 2026-03-12 04:00:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, a.gtld-servers.net, i.gtld-servers.net, b.gtld-servers.net...	-
dbookapp.com	hans.ns.cloudflare.com, ines.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.192.164

NS records: hans.ns.cloudflare.com, ines.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dbookapp.com (unsigned zone)

⏱️ Timing

Total: 194ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.34.46, 172.67.197.235`
AAAA	2	`2606:4700:3034::ac43:c5eb, 2606:4700:3036::6815:222e`
NS	2	`hans.ns.cloudflare.com, ines.ns.cloudflare.com`
MX	3	`linda.mx.cloudflare.net (pri: 60), amir.mx.cloudflare.net (pri: 70)...`
TXT	2	`ALIASfordbookapp.herokuapp.com, v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`hans.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

dbookapp.com maps to four IP numbers: 2606:4700:3034::ac43:c5eb, 2606:4700:3036::6815:222e, 104.21.34.46 and 172.67.197.235.

Other host names such as zabbix-consultancy.com, 915bg.com, www.uryl.cn, datarankz.com and presidencymaldives.gov.mv share IPs with dbookapp.com.

Name Servers

Two name servers hans.ns.cloudflare.com and ines.ns.cloudflare.com handle the delegation for dbookapp.com.

dbookapp.com shares the same name server setup as other domains, for example enginecorp.org, michiganpharmacists.net, contractorscalifornia.org, notariesohio.com and residentspenn.com.

dbookapp.com at least partially shares name servers with other domains, for example 1000islandsinfo.com, rpims.com, freerisk.org, bbastro.com and rigvedawiki.net.

These name servers are commonly used with brenda.ns.cloudflare.com and ray.ns.cloudflare.com and armando.ns.cloudflare.com.

Host names with six IP numbers:

hans.ns.cloudflare.com points to 2606:4700:58::adf5:3baf, 2803:f800:50::6ca2:c1af, 2a06:98c1:50::ac40:21af, 108.162.193.175, 172.64.33.175 and 173.245.59.175.

ines.ns.cloudflare.com points to 2606:4700:50::adf5:3aa4, 2803:f800:50::6ca2:c0a4, 2a06:98c1:50::ac40:20a4, 108.162.192.164, 172.64.32.164 and 173.245.58.164.

Mail Servers

dbookapp.com is handled by three mail servers: amir.mx.cloudflare.net, isaac.mx.cloudflare.net and linda.mx.cloudflare.net.

dbookapp.com shares at least partially some mail servers with other domains, for instance avolutionsoftware.com, pulsof.com, mineplay.link, (0x666170).bar and beulen.eu.

Host names with six IP numbers:

amir.mx.cloudflare.net points to: 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.11, 162.159.205.12 and 162.159.205.13

isaac.mx.cloudflare.net points to: 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19

linda.mx.cloudflare.net points to: 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.23, 162.159.205.24 and 162.159.205.25

dbookapp.com - robtex.com

dbookapp.com

com

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`dbookapp.com`

`com`