`writeboard-staging.com`

DNSSEC	⚠️ Not signed
A	104.18.10.200^{Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.18.11.200^{Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`doug.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b9f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`doug.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c19f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`doug.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:219f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`doug.ns.cloudflare.com`
		A	108.162.193.159^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`doug.ns.cloudflare.com`
		A	172.64.33.159^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`doug.ns.cloudflare.com`
		A	173.245.59.159^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`doug.ns.cloudflare.com`
NS	`rayne.ns.cloudflare.com`
		A	2606:4700:50::a29f:260b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rayne.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c20b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rayne.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:220b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rayne.ns.cloudflare.com`
		A	108.162.194.11^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rayne.ns.cloudflare.com`
		A	162.159.38.11^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rayne.ns.cloudflare.com`
		A	172.64.34.11^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rayne.ns.cloudflare.com`
MX	`app-mx.37signals.com` ⭐
		A	204.62.114.210^{🇺🇸 AS25657204.62.114.0/24 PNAP-CHG 37signals Route}
			PTR	`app-mx.37signals.com`
TXT	`7y54w56wl8x3pf17s6x66vy00ngbwrdv`
TXT	`v=spf1 include:_spf.basecamp.com -all`
HTTPS	HTTP/2 ✓ hints match
		IPv4	104.18.10.200, 104.18.11.200
SOA	`doug.ns.cloudflare.com`dns@cloudflare.com serial=2395698274

`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

123.writeboard-staging.com

Same first word

writeboard-staging.com

DNS History

10 records (5 active, 5 former)

●NSdoug.ns.cloudflare.com2026-02-15 → 2026-02-28 · 3 obs

○ 2017-09-07 21:17:02
● 2026-02-15 22:58:30
● 2026-02-28 21:21:04

○NSns-1234.awsdns-26.org2017-09-07 → 2017-09-07 · 3 obs

● 2017-09-07 21:17:02
○ 2026-02-15 22:58:30
○ 2026-02-28 21:21:04

○NSns-2011.awsdns-59.co.uk2017-09-07 → 2017-09-07 · 3 obs

● 2017-09-07 21:17:02
○ 2026-02-15 22:58:30
○ 2026-02-28 21:21:04

○NSns-397.awsdns-49.com2017-09-07 → 2017-09-07 · 3 obs

● 2017-09-07 21:17:02
○ 2026-02-15 22:58:30
○ 2026-02-28 21:21:04

○NSns-965.awsdns-56.net2017-09-07 → 2017-09-07 · 3 obs

● 2017-09-07 21:17:02
○ 2026-02-15 22:58:30
○ 2026-02-28 21:21:04

●NSrayne.ns.cloudflare.com2026-02-15 → 2026-02-28 · 3 obs

○ 2017-09-07 21:17:02
● 2026-02-15 22:58:30
● 2026-02-28 21:21:04

●MXapp-mx.37signals.com2017-09-07 → 2026-02-28 · 2 obs

● 2017-09-07 21:17:02
● 2026-02-28 21:21:04

●A104.18.10.2002026-02-15 → 2026-02-28 · 3 obs

○ 2017-09-07 21:17:02
● 2026-02-15 22:58:30
● 2026-02-28 21:21:04

●A104.18.11.2002026-02-15 → 2026-02-28 · 3 obs

○ 2017-09-07 21:17:02
● 2026-02-15 22:58:30
● 2026-02-28 21:21:04

○A204.62.114.1792017-09-07 → 2017-09-07 · 3 obs

● 2017-09-07 21:17:02
○ 2026-02-15 22:58:30
○ 2026-02-28 21:21:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, f.gtld-servers.net, d.gtld-servers.net, c.gtld-servers.net...	-
writeboard-staging.com	doug.ns.cloudflare.com, rayne.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.194.11

NS records: doug.ns.cloudflare.com, rayne.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for writeboard-staging.com (unsigned zone)

⏱️ Timing

Total: 156ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.18.10.200, 104.18.11.200`
NS	2	`rayne.ns.cloudflare.com, doug.ns.cloudflare.com`
MX	1	`app-mx.37signals.com (pri: 10)`
TXT	2	`7y54w56wl8x3pf17s6x66vy00ngbwrdv, v=spf1 include:_spf.basecamp.com -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`doug.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

123.writeboard-staging.com has writeboard-staging.com as its parent.

IP Addresses

writeboard-staging.com points to two IPs: 104.18.10.200 and 104.18.11.200.

Other host names, for instance adaptive2change.com, ursa88.com, www.thinkfun.co.uk, cambo7.com and 123.writeboard-staging.com share IP numbers with writeboard-staging.com.

Name Servers

Two name servers doug.ns.cloudflare.com and rayne.ns.cloudflare.com are delegated to writeboard-staging.com.

writeboard-staging.com uses the same name server configuration as other domains, such as socialnexum.org, rojalbati.com.np, suites.37signals.com, upload.3.basecamp.com and enhancedrx.com.

writeboard-staging.com at least partially shares name servers with other domains such as mistral-kitchen.com, winnexbet.co.uk, drewbarnard.com, fixallroofs.com and reslerkerber.com.

These name servers are commonly used with nikon.ns.cloudflare.com and chan.ns.cloudflare.com.

Host names with six IP numbers: Host name doug.ns.cloudflare.com points to 2606:4700:58::adf5:3b9f, 2803:f800:50::6ca2:c19f, 2a06:98c1:50::ac40:219f, 108.162.193.159, 172.64.33.159 and 173.245.59.159; host name rayne.ns.cloudflare.com points to 2606:4700:50::a29f:260b, 2803:f800:50::6ca2:c20b, 2a06:98c1:50::ac40:220b, 108.162.194.11, 162.159.38.11 and 172.64.34.11.

Mail Servers

writeboard-staging.com is handled by a single mail server, app-mx.37signals.com.

writeboard-staging.com shares the same mail server setup as other domains, including tadalist.com, once.com, rework.fm, launchpad.37signals.com and writeboard.com.

app-mx.37signals.com points to one IP number: 204.62.114.210.

writeboard-staging.com - robtex.com