`startupprbook.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:bebf^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:1407^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.20.7^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.190.191^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`carter.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b50^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carter.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c150^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`carter.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2150^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`carter.ns.cloudflare.com`
		A	108.162.193.80^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carter.ns.cloudflare.com`
		A	172.64.33.80^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carter.ns.cloudflare.com`
		A	173.245.59.80^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carter.ns.cloudflare.com`
NS	`demi.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a5f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`demi.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c05f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`demi.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:205f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`demi.ns.cloudflare.com`
		A	108.162.192.95^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`demi.ns.cloudflare.com`
		A	172.64.32.95^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`demi.ns.cloudflare.com`
		A	173.245.58.95^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`demi.ns.cloudflare.com`
MX	`mail.startupprbook.com` ⭐
		A	35.167.50.194^{🇺🇸 Amazon35.160.0.0/13 EC2 PDX prefix}
			PTR	`ec2-35-167-50-194.us-west-2.compute.amazonaws.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.20.7, 172.67.190.191
		IPv6	2606:4700:3033::ac43:bebf, 2606:4700:3037::6815:1407
SOA	`carter.ns.cloudflare.com`dns@cloudflare.com serial=2396973339

`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

Subdomains

mail.startupprbook.com

Same first word

startupprbook.com

DNS History

14 records (7 active, 7 former)

●NScarter.ns.cloudflare.com2026-03-03 → 2026-03-20 · 3 obs

○ 2017-04-18 21:59:34
● 2026-03-03 23:30:18
● 2026-03-20 05:54:40

●NSdemi.ns.cloudflare.com2026-03-03 → 2026-03-20 · 3 obs

○ 2017-04-18 21:59:34
● 2026-03-03 23:30:18
● 2026-03-20 05:54:40

○NSns1.dnsconfigure.com2015-05-18 → 2017-04-18 · 4 obs

● 2015-05-18 05:24:42
● 2017-04-18 21:59:34
○ 2026-03-03 23:30:18
○ 2026-03-20 05:54:40

○NSns2.dnsconfigure.com2015-05-18 → 2017-04-18 · 4 obs

● 2015-05-18 05:24:42
● 2017-04-18 21:59:34
○ 2026-03-03 23:30:18
○ 2026-03-20 05:54:40

●MXmail.startupprbook.com2015-05-18 → 2026-03-20 · 2 obs

● 2015-05-18 05:24:42
● 2026-03-20 05:54:40

●A104.21.20.72026-03-03 → 2026-03-20 · 3 obs

○ 2017-04-18 21:59:34
● 2026-03-03 23:30:18
● 2026-03-20 05:54:40

●A172.67.190.1912026-03-03 → 2026-03-20 · 3 obs

○ 2017-04-18 21:59:34
● 2026-03-03 23:30:18
● 2026-03-20 05:54:40

○A188.114.96.02026-03-03 → 2026-03-20 · 2 obs

○ 2026-03-03 23:30:18
○ 2026-03-20 05:54:40

○A188.114.97.02026-03-03 → 2026-03-20 · 2 obs

○ 2026-03-03 23:30:18
○ 2026-03-20 05:54:40

●A2606:4700:3033::ac43:bebf2026-03-03 → 2026-03-20 · 3 obs

○ 2017-04-18 21:59:34
● 2026-03-03 23:30:18
● 2026-03-20 05:54:40

●A2606:4700:3037::6815:14072026-03-03 → 2026-03-20 · 3 obs

○ 2017-04-18 21:59:34
● 2026-03-03 23:30:18
● 2026-03-20 05:54:40

○A2a06:98c1:3120::2026-03-03 → 2026-03-20 · 2 obs

○ 2026-03-03 23:30:18
○ 2026-03-20 05:54:40

○A2a06:98c1:3121::2026-03-03 → 2026-03-20 · 2 obs

○ 2026-03-03 23:30:18
○ 2026-03-20 05:54:40

○A69.160.84.1072015-05-18 → 2017-04-18 · 4 obs

● 2015-05-18 05:24:42
● 2017-04-18 21:59:34
○ 2026-03-03 23:30:18
○ 2026-03-20 05:54:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
startupprbook.com	demi.ns.cloudflare.com, carter.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.192.95

NS records: demi.ns.cloudflare.com, carter.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for startupprbook.com (unsigned zone)

⏱️ Timing

Total: 110ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.20.7, 172.67.190.191`
AAAA	2	`2606:4700:3037::6815:1407, 2606:4700:3033::ac43:bebf`
NS	2	`carter.ns.cloudflare.com, demi.ns.cloudflare.com`
MX	1	`mail.startupprbook.com (pri: 10)`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`carter.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

startupprbook.com is a parent of mail.startupprbook.com.

IP Addresses

startupprbook.com resolves to four IPs: 2606:4700:3033::ac43:bebf, 2606:4700:3037::6815:1407, 104.21.20.7 and 172.67.190.191.

Other host names such as outechen.com, vqqvhdc.cn, cn0519.net, jhhdtools.com.cn and njrk.wangmeiren.net share IP numbers with startupprbook.com.

Name Servers

startupprbook.com is delegated to two name servers: carter.ns.cloudflare.com and demi.ns.cloudflare.com.

startupprbook.com uses the same name server setup as other domains, including narcissus.workers.dev, freedesi(0x706f726e).org, hansku.com, stpx.cz and xn--6dbbec0c.com.

At least part of the name servers for startupprbook.com are shared with other domains, for instance cafecode.co, notiblog.net, hancockboardofelections.com, twtxkj.com and manipalpress.com.

these name servers are commonly used with laura.ns.cloudflare.com, sara.ns.cloudflare.com, martin.ns.cloudflare.com, becky.ns.cloudflare.com and gemma.ns.cloudflare.com.

Host names with six IP numbers:

carter.ns.cloudflare.com points to: 2606:4700:58::adf5:3b50, 2803:f800:50::6ca2:c150, 2a06:98c1:50::ac40:2150, 108.162.193.80, 172.64.33.80 and 173.245.59.80.

demi.ns.cloudflare.com points to: 2606:4700:50::adf5:3a5f, 2803:f800:50::6ca2:c05f, 2a06:98c1:50::ac40:205f, 108.162.192.95, 172.64.32.95 and 173.245.58.95.

Mail Servers

The mail server for startupprbook.com is mail.startupprbook.com.

Host mail.startupprbook.com points to IP 35.167.50.194.

startupprbook.com - robtex.com