docbookmd.com - dns.ninja

`docbookmd.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:201d^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:b65b^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.32.29^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.182.91^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dell.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a5e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dell.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c05e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dell.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:205e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dell.ns.cloudflare.com`
		A	108.162.192.94^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dell.ns.cloudflare.com`
		A	172.64.32.94^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dell.ns.cloudflare.com`
		A	173.245.58.94^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dell.ns.cloudflare.com`
NS	`matt.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b83^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matt.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c183^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`matt.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2183^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`matt.ns.cloudflare.com`
		A	108.162.193.131^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matt.ns.cloudflare.com`
		A	172.64.33.131^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matt.ns.cloudflare.com`
		A	173.245.59.131^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matt.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.32.29, 172.67.182.91
		IPv6 hints	2606:4700:3032::6815:201d, 2606:4700:3037::ac43:b65b
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=230, name=cloudflare-ech.com
SOA	`dell.ns.cloudflare.com`dns@cloudflare.com serial=2407798592

`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=1785644732

rank #514964 globally
rank #214596 in the tld

Subdomains

www.docbookmd.com

Same first word

docbookmd.com

DNS History

18 records (6 active, 12 former)

●NSdell.ns.cloudflare.com2026-07-11 → 2026-08-02 · 3 obs

○ 2016-09-24 19:06:08
● 2026-07-11 13:13:50
● 2026-08-02 04:38:10

●NSmatt.ns.cloudflare.com2026-07-11 → 2026-08-02 · 3 obs

○ 2016-09-24 19:06:08
● 2026-07-11 13:13:50
● 2026-08-02 04:38:10

○NSns-1518.awsdns-61.org2015-07-20 → 2016-09-24 · 4 obs

● 2015-07-20 12:02:14
● 2016-09-24 19:06:08
○ 2026-07-11 13:13:50
○ 2026-08-02 04:38:10

○NSns-1671.awsdns-16.co.uk2015-07-20 → 2016-09-24 · 4 obs

● 2015-07-20 12:02:14
● 2016-09-24 19:06:08
○ 2026-07-11 13:13:50
○ 2026-08-02 04:38:10

○NSns-72.awsdns-09.com2015-07-20 → 2016-09-24 · 4 obs

● 2015-07-20 12:02:14
● 2016-09-24 19:06:08
○ 2026-07-11 13:13:50
○ 2026-08-02 04:38:10

○NSns-802.awsdns-36.net2015-07-20 → 2016-09-24 · 4 obs

● 2015-07-20 12:02:14
● 2016-09-24 19:06:08
○ 2026-07-11 13:13:50
○ 2026-08-02 04:38:10

○MXalt1.aspmx.l.google.com2015-07-20 → 2016-09-24 · 4 obs

● 2015-07-20 12:02:14
● 2016-09-24 19:06:08
○ 2026-07-11 13:13:50
○ 2026-08-02 04:38:10

○MXaspmx.l.google.com2015-07-20 → 2016-09-24 · 4 obs

● 2015-07-20 12:02:14
● 2016-09-24 19:06:08
○ 2026-07-11 13:13:50
○ 2026-08-02 04:38:10

○MXaspmx2.googlemail.com2015-07-20 → 2016-09-24 · 4 obs

● 2015-07-20 12:02:14
● 2016-09-24 19:06:08
○ 2026-07-11 13:13:50
○ 2026-08-02 04:38:10

●A104.21.32.292026-07-11 → 2026-08-02 · 3 obs

○ 2016-09-24 19:06:08
● 2026-07-11 13:13:50
● 2026-08-02 04:38:10

○A160.153.62.1922015-07-20 → 2016-09-24 · 4 obs

● 2015-07-20 12:02:14
● 2016-09-24 19:06:08
○ 2026-07-11 13:13:50
○ 2026-08-02 04:38:10

●A172.67.182.912026-07-11 → 2026-08-02 · 3 obs

○ 2016-09-24 19:06:08
● 2026-07-11 13:13:50
● 2026-08-02 04:38:10

○A188.114.96.02026-07-11 → 2026-08-02 · 2 obs

○ 2026-07-11 13:13:50
○ 2026-08-02 04:38:10

○A188.114.97.02026-07-11 → 2026-08-02 · 2 obs

○ 2026-07-11 13:13:50
○ 2026-08-02 04:38:10

●A2606:4700:3032::6815:201d2026-07-11 → 2026-08-02 · 3 obs

○ 2016-09-24 19:06:08
● 2026-07-11 13:13:50
● 2026-08-02 04:38:10

●A2606:4700:3037::ac43:b65b2026-07-11 → 2026-08-02 · 3 obs

○ 2016-09-24 19:06:08
● 2026-07-11 13:13:50
● 2026-08-02 04:38:10

○A2a06:98c1:3120::2026-07-11 → 2026-08-02 · 2 obs

○ 2026-07-11 13:13:50
○ 2026-08-02 04:38:10

○A2a06:98c1:3121::2026-07-11 → 2026-08-02 · 2 obs

○ 2026-07-11 13:13:50
○ 2026-08-02 04:38:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
docbookmd.com	matt.ns.cloudflare.com, dell.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.131

NS records: matt.ns.cloudflare.com, dell.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for docbookmd.com (unsigned zone)

⏱️ Timing

Total: 131ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.32.29, 172.67.182.91`
AAAA	2	`2606:4700:3037::ac43:b65b, 2606:4700:3032::6815:201d`
NS	2	`dell.ns.cloudflare.com, matt.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dell.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

docbookmd.com serves as the parent of www.docbookmd.com.

IP Addresses

docbookmd.com resolves to four IP addresses: 104.21.32.29, 172.67.182.91, 2606:4700:3032::6815:201d and 2606:4700:3037::ac43:b65b.

bbay.gr, qqhrled.com, plx117.com plus two other host names have IP numbers in common with docbookmd.com.

Name Servers

The NS records for docbookmd.com delegate to dell.ns.cloudflare.com and matt.ns.cloudflare.com.

The name server configuration of docbookmd.com is shared with other domains, for instance kolkatakitchenequipments.com, joaquinglez.com, wkou.online and two others.

docbookmd.com has at least partial name server overlap with other domains, such as casino-7vo.buzz, afroexports.com, moviemagellan.com and two others.

It is common to see these name servers used together with name servers dane.ns.cloudflare.com and peyton.ns.cloudflare.com.

Hosts with 6 IP addresses each:

dell.ns.cloudflare.com maps to 108.162.192.94, 172.64.32.94, 173.245.58.94 and 3 additional IP addresses.

matt.ns.cloudflare.com maps to 108.162.193.131, 172.64.33.131, 173.245.59.131 and 3 additional IP addresses.