`passwdbook.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:4d89^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:d0e5^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.77.137^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.208.229^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`michael.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c0c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`michael.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c30c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`michael.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:230c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`michael.ns.cloudflare.com`
		A	108.162.195.12^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`michael.ns.cloudflare.com`
		A	162.159.44.12^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`michael.ns.cloudflare.com`
		A	172.64.35.12^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`michael.ns.cloudflare.com`
NS	`sierra.ns.cloudflare.com`
		A	2606:4700:50::a29f:26f5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sierra.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2f5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sierra.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22f5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sierra.ns.cloudflare.com`
		A	108.162.194.245^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sierra.ns.cloudflare.com`
		A	162.159.38.245^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sierra.ns.cloudflare.com`
		A	172.64.34.245^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sierra.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.77.137, 172.67.208.229
		IPv6	2606:4700:3031::6815:4d89, 2606:4700:3032::ac43:d0e5
SOA	`michael.ns.cloudflare.com`dns@cloudflare.com serial=2399345772

`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

Same first word

passwdbook.com

DNS History

24 records (6 active, 18 former)

○NSf1g1ns1.dnspod.net2016-09-16 → 2016-09-16 · 4 obs

○ 2016-03-20 16:47:14
● 2016-09-16 13:13:22
○ 2020-04-03 05:09:44
○ 2026-03-23 17:32:36

○NSf1g1ns2.dnspod.net2016-09-16 → 2016-09-16 · 4 obs

○ 2016-03-20 16:47:14
● 2016-09-16 13:13:22
○ 2020-04-03 05:09:44
○ 2026-03-23 17:32:36

○NSfreedns1.registrar-servers.com2015-08-12 → 2015-08-12 · 3 obs

● 2015-08-12 07:20:54
○ 2015-12-13 21:56:32
○ 2026-03-23 17:32:36

○NSfreedns2.registrar-servers.com2015-08-12 → 2015-08-12 · 3 obs

● 2015-08-12 07:20:54
○ 2015-12-13 21:56:32
○ 2026-03-23 17:32:36

○NSfreedns3.registrar-servers.com2015-08-12 → 2015-08-12 · 3 obs

● 2015-08-12 07:20:54
○ 2015-12-13 21:56:32
○ 2026-03-23 17:32:36

○NSfreedns4.registrar-servers.com2015-08-12 → 2015-08-12 · 3 obs

● 2015-08-12 07:20:54
○ 2015-12-13 21:56:32
○ 2026-03-23 17:32:36

○NSfreedns5.registrar-servers.com2015-08-12 → 2015-08-12 · 3 obs

● 2015-08-12 07:20:54
○ 2015-12-13 21:56:32
○ 2026-03-23 17:32:36

○NSjm1.dns.com2020-04-03 → 2020-04-03 · 4 obs

○ 2016-09-16 13:13:22
● 2020-04-03 05:09:44
○ 2026-03-22 02:46:02
○ 2026-03-23 17:32:36

○NSjm2.dns.com2020-04-03 → 2020-04-03 · 4 obs

○ 2016-09-16 13:13:22
● 2020-04-03 05:09:44
○ 2026-03-22 02:46:02
○ 2026-03-23 17:32:36

●NSmichael.ns.cloudflare.com2026-03-22 → 2026-03-23 · 3 obs

○ 2020-04-03 05:09:44
● 2026-03-22 02:46:02
● 2026-03-23 17:32:36

○NSns41.domaincontrol.com2015-12-13 → 2015-12-13 · 4 obs

○ 2015-08-12 07:20:54
● 2015-12-13 21:56:32
○ 2016-03-20 16:47:14
○ 2026-03-23 17:32:36

○NSns42.domaincontrol.com2015-12-13 → 2015-12-13 · 4 obs

○ 2015-08-12 07:20:54
● 2015-12-13 21:56:32
○ 2016-03-20 16:47:14
○ 2026-03-23 17:32:36

●NSsierra.ns.cloudflare.com2026-03-22 → 2026-03-23 · 3 obs

○ 2020-04-03 05:09:44
● 2026-03-22 02:46:02
● 2026-03-23 17:32:36

○MXmail.skrimple.com2017-04-09 → 2017-04-09 · 4 obs

○ 2016-03-20 16:47:14
● 2017-04-09 23:56:30
○ 2020-04-03 05:09:44
○ 2026-03-23 17:32:36

○MXmailstore1.secureserver.net2015-12-13 → 2015-12-13 · 3 obs

● 2015-12-13 21:56:32
○ 2016-03-20 16:47:14
○ 2026-03-23 17:32:36

○MXsmtp.secureserver.net2015-12-13 → 2015-12-13 · 3 obs

● 2015-12-13 21:56:32
○ 2016-03-20 16:47:14
○ 2026-03-23 17:32:36

○A104.203.171.1572015-08-12 → 2015-08-12 · 3 obs

● 2015-08-12 07:20:54
○ 2015-12-13 21:56:32
○ 2026-03-23 17:32:36

●A104.21.77.1372026-03-22 → 2026-03-23 · 3 obs

○ 2020-04-03 05:09:44
● 2026-03-22 02:46:02
● 2026-03-23 17:32:36

●A172.67.208.2292026-03-22 → 2026-03-23 · 3 obs

○ 2020-04-03 05:09:44
● 2026-03-22 02:46:02
● 2026-03-23 17:32:36

○A192.210.62.1202020-04-03 → 2020-04-03 · 4 obs

○ 2017-04-09 23:56:30
● 2020-04-03 05:09:44
○ 2026-03-22 02:46:02
○ 2026-03-23 17:32:36

●A2606:4700:3031::6815:4d892026-03-22 → 2026-03-23 · 3 obs

○ 2020-04-03 05:09:44
● 2026-03-22 02:46:02
● 2026-03-23 17:32:36

●A2606:4700:3032::ac43:d0e52026-03-22 → 2026-03-23 · 3 obs

○ 2020-04-03 05:09:44
● 2026-03-22 02:46:02
● 2026-03-23 17:32:36

○A50.63.202.552015-12-13 → 2015-12-13 · 4 obs

○ 2015-08-12 07:20:54
● 2015-12-13 21:56:32
○ 2016-03-20 16:47:14
○ 2026-03-23 17:32:36

○A69.46.84.502017-04-09 → 2017-04-09 · 4 obs

○ 2016-03-20 16:47:14
● 2017-04-09 23:56:30
○ 2020-04-03 05:09:44
○ 2026-03-23 17:32:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, c.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net...	-
passwdbook.com	sierra.ns.cloudflare.com, michael.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.245

NS records: sierra.ns.cloudflare.com, michael.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for passwdbook.com (unsigned zone)

⏱️ Timing

Total: 144ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.208.229, 104.21.77.137`
AAAA	2	`2606:4700:3031::6815:4d89, 2606:4700:3032::ac43:d0e5`
NS	2	`michael.ns.cloudflare.com, sierra.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`michael.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

Four IP numbers are pointed to by passwdbook.com: 2606:4700:3031::6815:4d89, 2606:4700:3032::ac43:d0e5, 104.21.77.137 and 172.67.208.229.

other host names including chrisandweeze.com, ewdigital.com.br, 12.dk, uplooder.net and viabat.com.br share IP numbers with passwdbook.com.

Name Servers

passwdbook.com is delegated to two name servers michael.ns.cloudflare.com and sierra.ns.cloudflare.com.

passwdbook.com shares the same name server setup as other domains, for instance tyjzq.com, mgjhy.com, hnzig.com, it2323.com and 1suir.com.

passwdbook.com at least partially shares name servers with other domains, for instance mfavis.com, itupdate.in, i9betcom.host, impesports.com and csv.com.vn.

These name servers are commonly used with suzanne.ns.cloudflare.com, raina.ns.cloudflare.com and meiling.ns.cloudflare.com.

Host names with six IP numbers:

Host name michael.ns.cloudflare.com points to: 2606:4700:58::a29f:2c0c, 2803:f800:50::6ca2:c30c, 2a06:98c1:50::ac40:230c, 108.162.195.12, 162.159.44.12 and 172.64.35.12.

Host name sierra.ns.cloudflare.com points to: 2606:4700:50::a29f:26f5, 2803:f800:50::6ca2:c2f5, 2a06:98c1:50::ac40:22f5, 108.162.194.245, 162.159.38.245 and 172.64.34.245.

passwdbook.com - robtex.com

passwdbook.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`passwdbook.com`

`com`