`foursquaretool.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:7b1^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:8258^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.7.177^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.130.88^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`sara.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a90^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c090^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2090^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sara.ns.cloudflare.com`
		A	108.162.192.144^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sara.ns.cloudflare.com`
		A	172.64.32.144^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sara.ns.cloudflare.com`
		A	173.245.58.144^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sara.ns.cloudflare.com`
NS	`uriah.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cc2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`uriah.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3c2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`uriah.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23c2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`uriah.ns.cloudflare.com`
		A	108.162.195.194^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`uriah.ns.cloudflare.com`
		A	162.159.44.194^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`uriah.ns.cloudflare.com`
		A	172.64.35.194^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`uriah.ns.cloudflare.com`
MX	`mail.efxi.net` ⭐
		A	74.208.133.16^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mail.efxi.net`
TXT	`v=spf1 a mx ptr ip4:74.208.133.16 ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.7.177, 172.67.130.88
		IPv6 hints	2606:4700:3035::6815:7b1, 2606:4700:3036::ac43:8258
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=163, name=cloudflare-ech.com
SOA	`sara.ns.cloudflare.com`dns@cloudflare.com serial=2407107009

`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=1783262011

Subdomains

www.foursquaretool.com

Same first word

foursquaretool.com

DNS History

13 records (7 active, 6 former)

○NSns1.efxi.net2007-08-24 → 2017-04-08 · 4 obs

● 2007-08-24 15:52:38
● 2017-04-08 01:29:02
○ 2026-03-26 16:56:18
○ 2026-07-05 14:34:02

○NSns2.efxi.net2007-08-24 → 2017-04-08 · 4 obs

● 2007-08-24 15:52:38
● 2017-04-08 01:29:02
○ 2026-03-26 16:56:18
○ 2026-07-05 14:34:02

●NSsara.ns.cloudflare.com2026-03-26 → 2026-07-05 · 3 obs

○ 2017-04-08 01:29:02
● 2026-03-26 16:56:18
● 2026-07-05 14:34:02

●NSuriah.ns.cloudflare.com2026-03-26 → 2026-07-05 · 3 obs

○ 2017-04-08 01:29:02
● 2026-03-26 16:56:18
● 2026-07-05 14:34:02

●MXmail.efxi.net2007-08-24 → 2026-07-05 · 2 obs

● 2007-08-24 15:52:38
● 2026-07-05 14:34:02

●A104.21.7.1772026-03-26 → 2026-07-05 · 3 obs

○ 2017-04-08 01:29:02
● 2026-03-26 16:56:18
● 2026-07-05 14:34:02

●A172.67.130.882026-03-26 → 2026-07-05 · 3 obs

○ 2017-04-08 01:29:02
● 2026-03-26 16:56:18
● 2026-07-05 14:34:02

○A2606:4700:3030::ac43:82582026-03-26 → 2026-06-13 · 5 obs

○ 2017-04-08 01:29:02
● 2026-03-26 16:56:18
● 2026-06-13 20:37:50
○ 2026-07-04 02:47:12
○ 2026-07-05 14:34:02

○A2606:4700:3031::6815:7b12026-03-26 → 2026-06-13 · 5 obs

○ 2017-04-08 01:29:02
● 2026-03-26 16:56:18
● 2026-06-13 20:37:50
○ 2026-07-04 02:47:12
○ 2026-07-05 14:34:02

●A2606:4700:3035::6815:7b12026-07-04 → 2026-07-05 · 3 obs

○ 2026-06-13 20:37:50
● 2026-07-04 02:47:12
● 2026-07-05 14:34:02

●A2606:4700:3036::ac43:82582026-07-04 → 2026-07-05 · 3 obs

○ 2026-06-13 20:37:50
● 2026-07-04 02:47:12
● 2026-07-05 14:34:02

○A74.208.64.102007-08-24 → 2007-08-24 · 3 obs

● 2007-08-24 15:52:38
○ 2015-06-02 11:47:48
○ 2026-07-05 14:34:02

○A74.208.74.812015-06-02 → 2017-04-08 · 5 obs

○ 2007-08-24 15:52:38
● 2015-06-02 11:47:48
● 2017-04-08 01:29:02
○ 2026-03-26 16:56:18
○ 2026-07-05 14:34:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
foursquaretool.com	sara.ns.cloudflare.com, uriah.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.194

NS records: sara.ns.cloudflare.com, uriah.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 350ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.7.177, 172.67.130.88`
AAAA	2	`2606:4700:3036::ac43:8258, 2606:4700:3035::6815:7b1`
NS	2	`sara.ns.cloudflare.com, uriah.ns.cloudflare.com`
MX	1	`mail.efxi.net (pri: 10)`
TXT	1	`v=spf1 a mx ptr ip4:74.208.133.16 ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`sara.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

foursquaretool.com is a parent domain of www.foursquaretool.com.

IP Addresses

foursquaretool.com resolves to four IP addresses: 104.21.7.177, 172.67.130.88, 2606:4700:3035::6815:7b1 and 2606:4700:3036::ac43:8258.

rowanhick.com, lespe(0x74697473)collectionneurs.com, orlan.do and two other host names share IP numbers with foursquaretool.com.

Name Servers

foursquaretool.com is served by two delegated name servers, sara.ns.cloudflare.com and uriah.ns.cloudflare.com.

foursquaretool.com uses the same name servers as several other domains — among them thalorivenqus.sbs, moravienthyl.sbs, phalurenoviqe.sbs and two more.

foursquaretool.com shares at least some of its name servers with other domains, including ciaxfm.net, picontario.ca, dexvip.shop and two others.

These name servers are frequently seen alongside the name servers carter.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

sara.ns.cloudflare.com carries IP addresses 108.162.192.144, 172.64.32.144 and 173.245.58.144, with 3 other addresses beyond those.

uriah.ns.cloudflare.com carries IP addresses 108.162.195.194, 162.159.44.194 and 172.64.35.194, with 3 other addresses beyond those.

Mail Servers

Mail for foursquaretool.com is handled by a single mail server, mail.efxi.net.

foursquaretool.com uses an identical mail server configuration to several other domains — among them mjduke.com, dillingerspub.com, nysoms.org and two more.

There is one IP number for mail.efxi.net: 74.208.133.16.

foursquaretool.com - robtex.com