`47signals.com`

DNSSEC	⚠️ Not signed
A	216.24.57.1^{🇺🇸 AS397273216.24.57.0/24 655 5th St 19 San Francisco CA 94107 United States}
NS	`abby.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a64^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`abby.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c064^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`abby.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2064^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`abby.ns.cloudflare.com`
		A	108.162.192.100^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`abby.ns.cloudflare.com`
		A	172.64.32.100^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`abby.ns.cloudflare.com`
		A	173.245.58.100^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`abby.ns.cloudflare.com`
NS	`andy.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b65^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`andy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c165^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`andy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2165^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`andy.ns.cloudflare.com`
		A	108.162.193.101^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`andy.ns.cloudflare.com`
		A	172.64.33.101^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`andy.ns.cloudflare.com`
		A	173.245.59.101^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`andy.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f27.1e100.net`
		A	142.251.179.26^{🇺🇸 Google142.251.179.0/24}
			PTR	`pd-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`google-site-verification=7gxbSxiEI-6VabBOJ01MZYy2iDywIknkBqihM3Ceub4`
TXT	`google-site-verification=iAkNeWQ5MqwnMaPzp-aq0TqIcTY3GDPT3r6J3BfyGbM`
TXT	`v=spf1 include:spf.efwd.registrar-servers.com include:_spf.google.com ~all`
SOA	`abby.ns.cloudflare.com`dns@cloudflare.com serial=2410504329

`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=1785708567

Same first word

47signals.com

DNS History

18 records (8 active, 10 former)

●NSabby.ns.cloudflare.com2026-02-25 → 2026-08-02 · 3 obs

○ 2015-10-31 16:01:08
● 2026-02-25 15:57:06
● 2026-08-02 22:28:20

●NSandy.ns.cloudflare.com2026-02-25 → 2026-08-02 · 3 obs

○ 2015-10-31 16:01:08
● 2026-02-25 15:57:06
● 2026-08-02 22:28:20

○NSdns1.name-services.com2008-03-13 → 2008-03-13 · 3 obs

● 2008-03-13 01:51:14
○ 2015-10-31 16:01:08
○ 2026-08-02 22:28:20

○NSdns2.name-services.com2008-03-13 → 2008-03-13 · 3 obs

● 2008-03-13 01:51:14
○ 2015-10-31 16:01:08
○ 2026-08-02 22:28:20

○NSdns3.name-services.com2008-03-13 → 2008-03-13 · 3 obs

● 2008-03-13 01:51:14
○ 2015-10-31 16:01:08
○ 2026-08-02 22:28:20

○NSdns4.name-services.com2008-03-13 → 2008-03-13 · 3 obs

● 2008-03-13 01:51:14
○ 2015-10-31 16:01:08
○ 2026-08-02 22:28:20

○NSdns5.name-services.com2008-03-13 → 2008-03-13 · 3 obs

● 2008-03-13 01:51:14
○ 2015-10-31 16:01:08
○ 2026-08-02 22:28:20

●MXalt1.aspmx.l.google.com2026-02-25 → 2026-08-02 · 2 obs

● 2026-02-25 15:57:06
● 2026-08-02 22:28:20

●MXalt2.aspmx.l.google.com2026-02-25 → 2026-08-02 · 2 obs

● 2026-02-25 15:57:06
● 2026-08-02 22:28:20

●MXalt3.aspmx.l.google.com2026-02-25 → 2026-08-02 · 2 obs

● 2026-02-25 15:57:06
● 2026-08-02 22:28:20

●MXalt4.aspmx.l.google.com2026-02-25 → 2026-08-02 · 2 obs

● 2026-02-25 15:57:06
● 2026-08-02 22:28:20

●MXaspmx.l.google.com2026-02-25 → 2026-08-02 · 2 obs

● 2026-02-25 15:57:06
● 2026-08-02 22:28:20

○A188.114.96.02026-02-25 → 2026-02-25 · 3 obs

○ 2015-10-31 16:01:08
● 2026-02-25 15:57:06
○ 2026-08-02 22:28:20

○A188.114.97.02026-02-25 → 2026-02-25 · 3 obs

○ 2015-10-31 16:01:08
● 2026-02-25 15:57:06
○ 2026-08-02 22:28:20

●A216.24.57.12026-08-02 → 2026-08-02 · 2 obs

○ 2026-02-25 15:57:06
● 2026-08-02 22:28:20

○A2a06:98c1:3120::2026-02-25 → 2026-02-25 · 3 obs

○ 2015-10-31 16:01:08
● 2026-02-25 15:57:06
○ 2026-08-02 22:28:20

○A2a06:98c1:3121::2026-02-25 → 2026-02-25 · 3 obs

○ 2015-10-31 16:01:08
● 2026-02-25 15:57:06
○ 2026-08-02 22:28:20

○A69.64.155.1332008-03-13 → 2008-03-13 · 3 obs

● 2008-03-13 01:51:14
○ 2015-10-31 16:01:08
○ 2026-08-02 22:28:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
47signals.com	abby.ns.cloudflare.com, andy.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.101

NS records: abby.ns.cloudflare.com, andy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 47signals.com (unsigned zone)

⏱️ Timing

Total: 1638ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.24.57.1`
NS	2	`abby.ns.cloudflare.com, andy.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	3	`google-site-verification=7gxbSxiEI-6VabB, google-site-verification=iAkNeWQ5MqwnMaP...`
SOA	1	`abby.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

47signals.com points to a single IP number: 216.24.57.1.

Additional host names — frontarm.com, thelightweleavebehind.com, paper2audio.com and two others — share IP numbers with 47signals.com.

Name Servers

DNS delegation for 47signals.com points to two name servers: abby.ns.cloudflare.com and andy.ns.cloudflare.com.

47signals.com shares its name server setup with other domains, including rhgcontractors.com.au, slots-max.com, peakeconsultants.com.au and two others.

47signals.com has at least partial name server overlap with other domains, such as domis.fr, t-m43.ru, a2zfitness.gr and two others.

These name servers tend to appear together with the name servers lloyd.ns.cloudflare.com, zariyah.ns.cloudflare.com and alex.ns.cloudflare.com.

Host names with 6 IP numbers:

abby.ns.cloudflare.com has IP addresses 108.162.192.100, 172.64.32.100 and 173.245.58.100, plus 3 other.

andy.ns.cloudflare.com has IP addresses 108.162.193.101, 172.64.33.101 and 173.245.59.101, plus 3 other.

Mail Servers

47signals.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

47signals.com shares mail servers — at least in part — with other domains, including akshay.me, growwithchange.com, chanupatham.ac.th and two others.

These mail servers are frequently used alongside mail servers alt4.aspmx.l.google.com, alt3.aspmx.l.google.com, aspmx2.googlemail.com and 3 other.

Host names with two IP numbers:

aspmx.l.google.com has two IP addresses: 142.251.179.26 and 2607:f8b0:4004:c1b::1b.

alt1.aspmx.l.google.com has two IP addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com has two IP addresses: 172.253.116.27 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com has two IP addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com has two IP addresses: 172.253.157.26 and 2a00:1450:400c:c23::1a.