`geomalgorithms.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:4cba^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:c6ea^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.76.186^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.198.234^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`daphne.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26a9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`daphne.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2a9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`daphne.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22a9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`daphne.ns.cloudflare.com`
		A	108.162.194.169^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`daphne.ns.cloudflare.com`
		A	162.159.38.169^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`daphne.ns.cloudflare.com`
		A	172.64.34.169^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`daphne.ns.cloudflare.com`
NS	`rob.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b8c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rob.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c18c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rob.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:218c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rob.ns.cloudflare.com`
		A	108.162.193.140^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rob.ns.cloudflare.com`
		A	172.64.33.140^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rob.ns.cloudflare.com`
		A	173.245.59.140^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rob.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.76.186, 172.67.198.234
		IPv6	2606:4700:3036::6815:4cba, 2606:4700:3036::ac43:c6ea
SOA	`daphne.ns.cloudflare.com`dns@cloudflare.com serial=2398241285

`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

rank #961549 globally
rank #439035 in the tld
WOT: UNKNOWN (94/100)

Same first word

geomalgorithms.com

DNS History

11 records (6 active, 5 former)

●NSdaphne.ns.cloudflare.com2026-03-13 → 2026-03-18 · 3 obs

○ 2017-03-14 18:03:08
● 2026-03-13 13:18:46
● 2026-03-18 22:01:00

○NSns1.fatcow.com2015-07-04 → 2017-03-14 · 4 obs

● 2015-07-04 02:22:08
● 2017-03-14 18:03:08
○ 2026-03-13 13:18:46
○ 2026-03-18 22:01:00

○NSns2.fatcow.com2015-07-04 → 2017-03-14 · 4 obs

● 2015-07-04 02:22:08
● 2017-03-14 18:03:08
○ 2026-03-13 13:18:46
○ 2026-03-18 22:01:00

●NSrob.ns.cloudflare.com2026-03-13 → 2026-03-18 · 3 obs

○ 2017-03-14 18:03:08
● 2026-03-13 13:18:46
● 2026-03-18 22:01:00

○MXmx.geomalgorithms.com2015-07-04 → 2017-03-14 · 4 obs

● 2015-07-04 02:22:08
● 2017-03-14 18:03:08
○ 2026-03-13 13:18:46
○ 2026-03-18 22:01:00

●A104.21.76.1862026-03-13 → 2026-03-18 · 3 obs

○ 2017-03-14 18:03:08
● 2026-03-13 13:18:46
● 2026-03-18 22:01:00

●A172.67.198.2342026-03-13 → 2026-03-18 · 3 obs

○ 2017-03-14 18:03:08
● 2026-03-13 13:18:46
● 2026-03-18 22:01:00

●A2606:4700:3036::6815:4cba2026-03-13 → 2026-03-18 · 3 obs

○ 2017-03-14 18:03:08
● 2026-03-13 13:18:46
● 2026-03-18 22:01:00

●A2606:4700:3036::ac43:c6ea2026-03-13 → 2026-03-18 · 3 obs

○ 2017-03-14 18:03:08
● 2026-03-13 13:18:46
● 2026-03-18 22:01:00

○A65.254.227.2242016-07-10 → 2017-03-14 · 5 obs

○ 2016-03-03 07:14:44
● 2016-07-10 05:15:06
● 2017-03-14 18:03:08
○ 2026-03-13 13:18:46
○ 2026-03-18 22:01:00

○A65.254.248.1462015-07-04 → 2016-03-03 · 4 obs

● 2015-07-04 02:22:08
● 2016-03-03 07:14:44
○ 2016-07-10 05:15:06
○ 2026-03-18 22:01:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, a.gtld-servers.net...	-
geomalgorithms.com	rob.ns.cloudflare.com, daphne.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.193.140

NS records: rob.ns.cloudflare.com, daphne.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for geomalgorithms.com (unsigned zone)

⏱️ Timing

Total: 332ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.198.234, 104.21.76.186`
AAAA	2	`2606:4700:3036::ac43:c6ea, 2606:4700:3036::6815:4cba`
NS	2	`daphne.ns.cloudflare.com, rob.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`daphne.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

geomalgorithms.com maps to four IP numbers: 2606:4700:3036::6815:4cba, 2606:4700:3036::ac43:c6ea, 104.21.76.186 and 172.67.198.234.

Other host names, for instance ph-stu.com.cdn.cloudflare.net, timhenman.org, 777bet.cash, www.gmlandscapes.com and m-craft.lt share IP numbers with geomalgorithms.com.

Name Servers

Two name servers daphne.ns.cloudflare.com and rob.ns.cloudflare.com are delegated to geomalgorithms.com.

geomalgorithms.com uses the same name server configuration as other domains, such as dhpoco.org, studyin-uk.co.uk, xurbansimsx.com, livearena.io and studyin-uk.com.cn.

geomalgorithms.com at least partially shares name servers with other domains such as centminmail.net, earlydoorsdisco.com, remoteglobalpulse.com, nov17.net and ilc.ee.

Host names with six IP numbers: Host name daphne.ns.cloudflare.com points to 2606:4700:50::a29f:26a9, 2803:f800:50::6ca2:c2a9, 2a06:98c1:50::ac40:22a9, 108.162.194.169, 162.159.38.169 and 172.64.34.169; host name rob.ns.cloudflare.com points to 2606:4700:58::adf5:3b8c, 2803:f800:50::6ca2:c18c, 2a06:98c1:50::ac40:218c, 108.162.193.140, 172.64.33.140 and 173.245.59.140.

geomalgorithms.com - robtex.com