discourse.com - dns.ninja

`discourse.com`

DNSSEC	⚠️ Not signed
A	2606:4700:20::681a:2df^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::681a:3df^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::ac43:46bc^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.2.223^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.3.223^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.70.188^{🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`nina.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a88^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c088^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2088^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nina.ns.cloudflare.com`
		A	108.162.192.136^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nina.ns.cloudflare.com`
		A	172.64.32.136^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nina.ns.cloudflare.com`
		A	173.245.58.136^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nina.ns.cloudflare.com`
NS	`pete.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b88^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pete.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c188^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`pete.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2188^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`pete.ns.cloudflare.com`
		A	108.162.193.136^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pete.ns.cloudflare.com`
		A	172.64.33.136^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pete.ns.cloudflare.com`
		A	173.245.59.136^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pete.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c23::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f26.1e100.net`
		A	192.178.155.26^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 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	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.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	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.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	`1password-site-verification=YOAOGJI5MRF7XOPJDLKFVXTNKE`
TXT	`google-site-verification=FE2kbe6q8GZL9YgGZb8t5My1zzXZdFJMcDFtwcaO-Hg`
TXT	`google-site-verification=Om6zdYk_qL3ixwbicjYYauo87XAc5YR98RSLQepLAUw`
TXT	`v=spf1 include:discoursemail.com include:_spf.google.com include:amazonses.co...`
HTTPS	HTTP/2 ✓ hints match
		IPv4 hints	104.26.2.223, 104.26.3.223, 172.67.70.188
		IPv6 hints	2606:4700:20::681a:2df, 2606:4700:20::681a:3df, 2606:4700:20::ac43:46bc
SOA	`nina.ns.cloudflare.com`dns@cloudflare.com serial=2407648427

`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=1784873677

rank #632494 globally
rank #264722 in the tld

Same first word

Similar names

cordesius.nl

idecursos.com.br

idsources.com

decorisus.pl

sidcourse.com

cedosrius.cat

dissource.com

cordesius.com

sudserico.com

scudieros.com

DNS History

30 records (13 active, 17 former)

○NSetsrnip1.ets.org2015-07-25 → 2015-11-20 · 4 obs

● 2015-07-25 16:18:16
● 2015-11-20 04:50:22
○ 2016-03-08 09:51:00
○ 2026-07-24 06:31:34

○NSetsrnip2.ets.org2015-11-20 → 2015-11-20 · 4 obs

○ 2015-07-25 16:18:16
● 2015-11-20 04:50:22
○ 2016-03-08 09:51:00
○ 2026-07-24 06:31:34

○NSname.jfk.gblx.net2015-07-25 → 2015-11-20 · 4 obs

● 2015-07-25 16:18:16
● 2015-11-20 04:50:22
○ 2016-03-08 09:51:00
○ 2026-07-24 06:31:34

○NSname.lon.gblx.net2015-07-25 → 2015-11-20 · 4 obs

● 2015-07-25 16:18:16
● 2015-11-20 04:50:22
○ 2016-03-08 09:51:00
○ 2026-07-24 06:31:34

○NSname.phx.gblx.net2015-07-25 → 2015-11-20 · 4 obs

● 2015-07-25 16:18:16
● 2015-11-20 04:50:22
○ 2016-03-08 09:51:00
○ 2026-07-24 06:31:34

○NSname.roc.gblx.net2015-07-25 → 2015-11-20 · 4 obs

● 2015-07-25 16:18:16
● 2015-11-20 04:50:22
○ 2016-03-08 09:51:00
○ 2026-07-24 06:31:34

○NSname.snv.gblx.net2015-07-25 → 2015-11-20 · 4 obs

● 2015-07-25 16:18:16
● 2015-11-20 04:50:22
○ 2016-03-08 09:51:00
○ 2026-07-24 06:31:34

●NSnina.ns.cloudflare.com2016-03-08 → 2026-07-24 · 3 obs

○ 2015-11-20 04:50:22
● 2016-03-08 09:51:00
● 2026-07-24 06:31:34

●NSpete.ns.cloudflare.com2016-03-08 → 2026-07-24 · 3 obs

○ 2015-11-20 04:50:22
● 2016-03-08 09:51:00
● 2026-07-24 06:31:34

●MXalt1.aspmx.l.google.com2026-02-15 → 2026-07-24 · 3 obs

○ 2016-03-08 09:51:00
● 2026-02-15 08:26:50
● 2026-07-24 06:31:34

●MXalt2.aspmx.l.google.com2026-02-15 → 2026-07-24 · 3 obs

○ 2016-03-08 09:51:00
● 2026-02-15 08:26:50
● 2026-07-24 06:31:34

●MXalt3.aspmx.l.google.com2026-02-15 → 2026-07-24 · 3 obs

○ 2016-03-08 09:51:00
● 2026-02-15 08:26:50
● 2026-07-24 06:31:34

●MXalt4.aspmx.l.google.com2026-02-15 → 2026-07-24 · 3 obs

○ 2016-03-08 09:51:00
● 2026-02-15 08:26:50
● 2026-07-24 06:31:34

●MXaspmx.l.google.com2026-02-15 → 2026-07-24 · 3 obs

○ 2016-03-08 09:51:00
● 2026-02-15 08:26:50
● 2026-07-24 06:31:34

○MXdiscourse-com.mail.eo.outlook.com2015-07-25 → 2015-11-20 · 4 obs

● 2015-07-25 16:18:16
● 2015-11-20 04:50:22
○ 2016-03-08 09:51:00
○ 2026-07-24 06:31:34

○A104.25.4.102016-07-02 → 2018-11-10 · 5 obs

○ 2016-03-08 09:51:00
● 2016-07-02 12:11:10
● 2018-11-10 20:21:26
○ 2026-02-15 08:26:50
○ 2026-07-24 06:31:34

○A104.25.5.102016-07-02 → 2018-11-10 · 5 obs

○ 2016-03-08 09:51:00
● 2016-07-02 12:11:10
● 2018-11-10 20:21:26
○ 2026-02-15 08:26:50
○ 2026-07-24 06:31:34

●A104.26.2.2232026-02-15 → 2026-07-24 · 3 obs

○ 2018-11-10 20:21:26
● 2026-02-15 08:26:50
● 2026-07-24 06:31:34

●A104.26.3.2232026-02-15 → 2026-07-24 · 3 obs

○ 2018-11-10 20:21:26
● 2026-02-15 08:26:50
● 2026-07-24 06:31:34

○A104.27.180.1322016-03-08 → 2016-03-08 · 4 obs

○ 2015-07-25 16:18:16
● 2016-03-08 09:51:00
○ 2016-07-02 12:11:10
○ 2026-07-24 06:31:34

○A104.27.181.1322016-03-08 → 2016-03-08 · 4 obs

○ 2015-07-25 16:18:16
● 2016-03-08 09:51:00
○ 2016-07-02 12:11:10
○ 2026-07-24 06:31:34

○A144.81.90.192015-07-25 → 2015-07-25 · 3 obs

● 2015-07-25 16:18:16
○ 2018-11-10 20:21:26
○ 2026-07-24 06:31:34

●A172.67.70.1882026-02-15 → 2026-07-24 · 3 obs

○ 2018-11-10 20:21:26
● 2026-02-15 08:26:50
● 2026-07-24 06:31:34

○A2400:cb00:2048:1::6819:40a2017-01-11 → 2017-01-11 · 4 obs

○ 2016-07-02 12:11:10
● 2017-01-11 14:44:20
○ 2018-11-10 20:21:26
○ 2026-07-24 06:31:34

○A2400:cb00:2048:1::6819:50a2017-01-11 → 2017-01-11 · 4 obs

○ 2016-07-02 12:11:10
● 2017-01-11 14:44:20
○ 2018-11-10 20:21:26
○ 2026-07-24 06:31:34

○A2606:4700:20::6819:40a2018-11-10 → 2018-11-10 · 4 obs

○ 2017-01-11 14:44:20
● 2018-11-10 20:21:26
○ 2026-02-15 08:26:50
○ 2026-07-24 06:31:34

○A2606:4700:20::6819:50a2018-11-10 → 2018-11-10 · 4 obs

○ 2017-01-11 14:44:20
● 2018-11-10 20:21:26
○ 2026-02-15 08:26:50
○ 2026-07-24 06:31:34

●A2606:4700:20::681a:2df2026-02-15 → 2026-07-24 · 3 obs

○ 2018-11-10 20:21:26
● 2026-02-15 08:26:50
● 2026-07-24 06:31:34

●A2606:4700:20::681a:3df2026-02-15 → 2026-07-24 · 3 obs

○ 2018-11-10 20:21:26
● 2026-02-15 08:26:50
● 2026-07-24 06:31:34

●A2606:4700:20::ac43:46bc2026-02-15 → 2026-07-24 · 3 obs

○ 2018-11-10 20:21:26
● 2026-02-15 08:26:50
● 2026-07-24 06:31:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, j.gtld-servers.net, l.gtld-servers.net, c.gtld-servers.net...	-
discourse.com	pete.ns.cloudflare.com, nina.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.136

NS records: pete.ns.cloudflare.com, nina.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for discourse.com (unsigned zone)

⏱️ Timing

Total: 208ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`104.26.2.223, 104.26.3.223...`
AAAA	3	`2606:4700:20::ac43:46bc, 2606:4700:20::681a:2df...`
NS	2	`nina.ns.cloudflare.com, pete.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	4	`1password-site-verification=YOAOGJI5MRF7, google-site-verification=FE2kbe6q8GZL9Yg...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`nina.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

discourse.com points to 6 IP addresses, including 104.26.2.223, 104.26.3.223 and 172.67.70.188, plus 3 other.

uk.edubirdie.com, learn.marineinsight.com, auth.riotpixels.com plus two other host names have IP numbers in common with discourse.com.

Name Servers

discourse.com is served by two delegated name servers, nina.ns.cloudflare.com and pete.ns.cloudflare.com.

The name server configuration of discourse.com is shared with other domains, for instance joyfamilyradio.com, codigo.io, mix74p3.com and two others.

discourse.com shares at least some of its name servers with other domains, including nrcombudsman.nl, wegoflight.com, pilarteknologi.com and two others.

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

Hosts with 6 IP addresses each:

nina.ns.cloudflare.com carries IP addresses 108.162.192.136, 172.64.32.136 and 173.245.58.136, with 3 other addresses beyond those.

pete.ns.cloudflare.com carries IP addresses 108.162.193.136, 172.64.33.136 and 173.245.59.136, with 3 other addresses beyond those.

Mail Servers

Mail for discourse.com is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

At least some of the mail servers used by discourse.com are shared with other domains: inbestmen.com, hcws.org, hameldon.com and two others among them.

These mail servers are often deployed together with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other mail servers.

Host names pointing to two IP addresses:

aspmx.l.google.com maps to two IP addresses — 192.178.155.26 and 2607:f8b0:4004:c23::1a.

alt1.aspmx.l.google.com maps to two IP addresses — 108.177.123.26 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.26 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com maps to two IP addresses — 192.178.223.27 and 2a00:1450:4009:c0f::1b.

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