`foscol.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:5c37^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:bad1^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.92.55^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.186.209^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`tess.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3ae3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tess.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0e3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tess.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20e3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tess.ns.cloudflare.com`
		A	108.162.192.227^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tess.ns.cloudflare.com`
		A	172.64.32.227^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tess.ns.cloudflare.com`
		A	173.245.58.227^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tess.ns.cloudflare.com`
NS	`thomas.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bee^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thomas.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ee^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`thomas.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ee^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`thomas.ns.cloudflare.com`
		A	108.162.193.238^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thomas.ns.cloudflare.com`
		A	172.64.33.238^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thomas.ns.cloudflare.com`
		A	173.245.59.238^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thomas.ns.cloudflare.com`
MX	`ghs.google.com` ⭐
		A	2a00:1450:4009:c04::79^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`um-in-f121.1e100.net`
		A	142.250.117.121^{🇺🇸 Google142.250.117.0/24}
			PTR	`um-in-f121.1e100.net`
TXT	`google-site-verification=UqfO_2OgYoig7hugStQEzaIEY8Mo7geigcxLxad1tiQ`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.92.55, 172.67.186.209
		IPv6 hints	2606:4700:3034::6815:5c37, 2606:4700:3035::ac43:bad1
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=151, name=cloudflare-ech.com
SOA	`tess.ns.cloudflare.com`dns@cloudflare.com serial=2398281947

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1776028251

Previously MX for

foscol.org

Subdomains

www.foscol.org

Same first word

foscol.com

foscol.org

Similar names

focsol.com

foolcs.com.au

soclof.com

colsof.com.ve

scoflo.com

folsco.net

cosflo.com

ofcsol.com

socofl.com

slocfo.com

sofloc.net

fscool.net

colsof.com

sfcool.com

folcos.com

flocos.com

soflco.com

ocsofl.com

coolfs.com

foolcs.ca

flocos.tv

solofc.co

coosfl.com

fcoslo.com

foolcs.sg

foslco.com

sofcol.com

cfosol.com

fscool.com

colsof.com.co

solfoc.com

solofc.com

coolsf.cn

colsof.co

fcools.com

cosfol.com

flocos.com.br

foolcs.com

DNS History

14 records (7 active, 7 former)

○NSns1.creaserver1.com2015-08-22 → 2015-12-11 · 4 obs

● 2015-08-22 07:15:56
● 2015-12-11 17:56:52
○ 2016-03-15 04:36:20
○ 2026-04-12 21:16:10

○NSns2.creaserver1.com2015-08-22 → 2015-12-11 · 4 obs

● 2015-08-22 07:15:56
● 2015-12-11 17:56:52
○ 2016-03-15 04:36:20
○ 2026-04-12 21:16:10

○NSns2514.dizinc.com2016-03-15 → 2017-04-04 · 5 obs

○ 2015-12-11 17:56:52
● 2016-03-15 04:36:20
● 2017-04-04 07:39:28
○ 2026-03-26 23:08:26
○ 2026-04-12 21:16:10

○NSns2515.dizinc.com2016-03-15 → 2017-04-04 · 5 obs

○ 2015-12-11 17:56:52
● 2016-03-15 04:36:20
● 2017-04-04 07:39:28
○ 2026-03-26 23:08:26
○ 2026-04-12 21:16:10

●NStess.ns.cloudflare.com2026-03-26 → 2026-04-12 · 3 obs

○ 2017-04-04 07:39:28
● 2026-03-26 23:08:26
● 2026-04-12 21:16:10

●NSthomas.ns.cloudflare.com2026-03-26 → 2026-04-12 · 3 obs

○ 2017-04-04 07:39:28
● 2026-03-26 23:08:26
● 2026-04-12 21:16:10

○MXfoscol.org2015-08-22 → 2017-04-04 · 4 obs

● 2015-08-22 07:15:56
● 2017-04-04 07:39:28
○ 2026-03-26 23:08:26
○ 2026-04-12 21:16:10

●MXghs.google.com2026-03-26 → 2026-04-12 · 3 obs

○ 2017-04-04 07:39:28
● 2026-03-26 23:08:26
● 2026-04-12 21:16:10

●A104.21.92.552026-03-26 → 2026-04-12 · 3 obs

○ 2017-04-04 07:39:28
● 2026-03-26 23:08:26
● 2026-04-12 21:16:10

●A172.67.186.2092026-03-26 → 2026-04-12 · 3 obs

○ 2017-04-04 07:39:28
● 2026-03-26 23:08:26
● 2026-04-12 21:16:10

○A192.185.197.962015-08-22 → 2015-12-11 · 4 obs

● 2015-08-22 07:15:56
● 2015-12-11 17:56:52
○ 2016-03-15 04:36:20
○ 2026-04-12 21:16:10

●A2606:4700:3034::6815:5c372026-03-26 → 2026-04-12 · 3 obs

○ 2017-04-04 07:39:28
● 2026-03-26 23:08:26
● 2026-04-12 21:16:10

●A2606:4700:3035::ac43:bad12026-03-26 → 2026-04-12 · 3 obs

○ 2017-04-04 07:39:28
● 2026-03-26 23:08:26
● 2026-04-12 21:16:10

○A72.29.69.1792016-03-15 → 2017-04-04 · 5 obs

○ 2015-12-11 17:56:52
● 2016-03-15 04:36:20
● 2017-04-04 07:39:28
○ 2026-03-26 23:08:26
○ 2026-04-12 21:16:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
foscol.org	thomas.ns.cloudflare.com, tess.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.238

NS records: thomas.ns.cloudflare.com, tess.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for foscol.org (unsigned zone)

⏱️ Timing

Total: 513ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.186.209, 104.21.92.55`
AAAA	2	`2606:4700:3034::6815:5c37, 2606:4700:3035::ac43:bad1`
NS	2	`tess.ns.cloudflare.com, thomas.ns.cloudflare.com`
MX	1	`ghs.google.com (pri: 1200)`
TXT	1	`google-site-verification=UqfO_2OgYoig7hu`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`tess.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

foscol.org is the parent of www.foscol.org.

IP Addresses

foscol.org points to four IP numbers: 2606:4700:3034::6815:5c37, 2606:4700:3035::ac43:bad1, 104.21.92.55 and 172.67.186.209.

For instance, other host names 6623-link.com, appreservas.com.br, uxiv.com, floridavacationhideaways.com and excursionsj-cartier.com share IP numbers with foscol.org.

Name Servers

foscol.org is delegated to two name servers: tess.ns.cloudflare.com and thomas.ns.cloudflare.com.

foscol.org uses the same name server setup as other domains such as besgroup.ie, clontarfcastle.info, fedvol.ie, graffiti.ie and audicontracthire.ie.

foscol.org shares name servers with other domains at least partially, for example nassaulake.org, erd-report.eu, baahstore.com, markmcloughlin.com and aeroclubdesk.nl.

These name servers are commonly used with the name servers wally.ns.cloudflare.com and adrian.ns.cloudflare.com.

Host names with six IP numbers: host name tess.ns.cloudflare.com points to: 2606:4700:50::adf5:3ae3, 2803:f800:50::6ca2:c0e3, 2a06:98c1:50::ac40:20e3, 108.162.192.227, 172.64.32.227 and 173.245.58.227; host name thomas.ns.cloudflare.com points to: 2606:4700:58::adf5:3bee, 2803:f800:50::6ca2:c1ee, 2a06:98c1:50::ac40:21ee, 108.162.193.238, 172.64.33.238 and 173.245.59.238.

Mail Servers

foscol.org is handled by a single mail server, ghs.google.com.

foscol.org shares the same mail server setup as other domains, for instance lamaisondor.net, calcuttapublicschool.org, cadvnc.org, zithromaxazithromycin.com and cannabisgrowthfunds.com.

foscol.org shares some mail servers with other domains to some extent, for instance didu.co.id and beststore.cl.

ghs.google.com resolves to two IPs: 2a00:1450:4009:c04::79 and 142.250.117.121.

foscol.org - robtex.com

foscol.org

org

Previously MX for

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`foscol.org`

`org`