understood.org - dns.ninja

`understood.org`

DNSSEC	⚠️ Not signed
A	2606:4700::6812:e85^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700::6812:f85^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.18.14.133^{Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.18.15.133^{Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`fred.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b71^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fred.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c171^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`fred.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2171^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`fred.ns.cloudflare.com`
		A	108.162.193.113^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fred.ns.cloudflare.com`
		A	172.64.33.113^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fred.ns.cloudflare.com`
		A	173.245.59.113^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fred.ns.cloudflare.com`
NS	`jill.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a7a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jill.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c07a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jill.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:207a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jill.ns.cloudflare.com`
		A	108.162.192.122^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jill.ns.cloudflare.com`
		A	172.64.32.122^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jill.ns.cloudflare.com`
		A	173.245.58.122^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jill.ns.cloudflare.com`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c06::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bg-in-f27.1e100.net`
		A	2607:f8b0:4004:c09::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bh-in-f26.1e100.net`
		A	2607:f8b0:4004:c09::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bh-in-f27.1e100.net`
		A	2607:f8b0:4004:c25::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadtq-in-f27.1e100.net`
		A	172.253.115.27^{🇺🇸 Google172.253.115.0/24}
			PTR	`bg-in-f27.1e100.net`
		A	172.253.122.26^{🇺🇸 Google172.253.122.0/24}
			PTR	`bh-in-f26.1e100.net`
		A	172.253.122.27^{🇺🇸 Google172.253.122.0/24}
			PTR	`bh-in-f27.1e100.net`
		A	173.194.45.26^{🇺🇸 Google173.194.0.0/16}
			PTR	`yuiadum-in-f26.1e100.net`
		A	192.178.218.26^{🇺🇸 Google192.178.218.0/24}
			PTR	`yuiadtq-in-f26.1e100.net`
TXT	`0ed1fe018a142d1276c1ee49dfa5e1b1b939a9b8ea`
TXT	`84dw58n4ws11qbtlc6pwbkwvj0gs70m8`
TXT	`MS=ms36583737`
TXT	`_jr2013rd8nglahx0ag3qlqt569265d4`
TXT	`apple-domain-verification=4EzXUQxFkglbg3hW`
TXT	`atlassian-domain-verification=fx76FFIQkS9nthOLKFwI226APT1ig0M3WzX0cgr/8sdMeKO...`
TXT	`bs0tw4pbx73ck9b5hrw9w4cfvsy2fsl1`
TXT	`contractworksverify = 2XFwQ3o62jdjdyQyJFfzwt`
TXT	`facebook-domain-verification=gn0zf1wnv3tdo7ahfovpji41ho8v3p`
TXT	`fcp51l2t5mpdzf6d6x1ptmzlnnnn807f`
TXT	`google-site-verification=7Tt3BipfbqkrdTX5GgQsY8CdZpkjFQOjIFs_Mo2Tcm0`
TXT	`google-site-verification=TP0HWSLqOyry4MD8dqXenu2rtR1tcC64wGybEN-T9fc`
TXT	`google-site-verification=stm0k(0x533378)FBkm3P9Th1y31NB_DUixFETGK7L-0ObqOfU`
TXT	`miro-verification=c7fe622056c95945a101c8f95e5956e8702b8301`
TXT	`mongodb-site-verification=xDxEGRjhRDlliS2UR2V3MwU9cq59bbAt`
TXT	`qjr187zvqb5d3nh4jghw34ntlk9s0xng`
TXT	`securitystudio-site-verification=G8gyGWRTEswJT49hGOwMvg==`
TXT	`tmes=0bb5c6ba1c638cde600907776df1f1f9`
TXT	`twilio-domain-verification=8260bdea6b9954209f72e17245c2f656`
TXT	`v=spf1 include:emsd1.com include:us._netblocks.mimecast.com include:mail.zend...`
HTTPS	HTTP/2 ✓ hints match
		IPv4 hints	104.18.14.133, 104.18.15.133
		IPv6 hints	2606:4700::6812:e85, 2606:4700::6812:f85
SOA	`fred.ns.cloudflare.com`dns@cloudflare.com serial=2411051500

`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=1786133299

rank #7518 globally
rank #861 in the tld
📈 Tranco rank: #27,869

Subdomains

de-sp-stream.understood.org

email.understood.org

de-sp.understood.org

www.understood.org

cdn-images.understood.org

links.understood.org

Same first word

Similar names

undrestood.org

nordstudeo.com

undertoods.com

donstouder.com

DNS History

21 records (7 active, 14 former)

●NSfred.ns.cloudflare.com2026-02-14 → 2026-08-07 · 3 obs

○ 2021-06-12 07:19:10
● 2026-02-14 20:43:34
● 2026-08-07 20:14:30

●NSjill.ns.cloudflare.com2026-02-14 → 2026-08-07 · 3 obs

○ 2021-06-12 07:19:10
● 2026-02-14 20:43:34
● 2026-08-07 20:14:30

○NSns.rackspace.com2015-07-15 → 2017-02-12 · 4 obs

● 2015-07-15 00:19:46
● 2017-02-12 12:29:36
○ 2021-06-12 07:19:10
○ 2026-08-07 20:14:30

○NSns1.p10.dynect.net2021-06-12 → 2021-06-12 · 4 obs

○ 2017-02-12 12:29:36
● 2021-06-12 07:19:10
○ 2026-02-14 20:43:34
○ 2026-08-07 20:14:30

○NSns2.p10.dynect.net2021-06-12 → 2021-06-12 · 4 obs

○ 2017-02-12 12:29:36
● 2021-06-12 07:19:10
○ 2026-02-14 20:43:34
○ 2026-08-07 20:14:30

○NSns2.rackspace.com2015-07-15 → 2017-02-12 · 4 obs

● 2015-07-15 00:19:46
● 2017-02-12 12:29:36
○ 2021-06-12 07:19:10
○ 2026-08-07 20:14:30

○NSns3.p10.dynect.net2021-06-12 → 2021-06-12 · 4 obs

○ 2017-02-12 12:29:36
● 2021-06-12 07:19:10
○ 2026-02-14 20:43:34
○ 2026-08-07 20:14:30

○NSns4.p10.dynect.net2021-06-12 → 2021-06-12 · 4 obs

○ 2017-02-12 12:29:36
● 2021-06-12 07:19:10
○ 2026-02-14 20:43:34
○ 2026-08-07 20:14:30

○MXposesfamilyfoundation.org.inbound10.mxlogic.net2015-07-15 → 2016-04-27 · 4 obs

● 2015-07-15 00:19:46
● 2016-04-27 01:09:06
○ 2016-12-05 23:43:02
○ 2026-08-07 20:14:30

○MXposesfamilyfoundation.org.inbound10.mxlogicmx.net2015-07-15 → 2016-04-27 · 4 obs

● 2015-07-15 00:19:46
● 2016-04-27 01:09:06
○ 2016-12-05 23:43:02
○ 2026-08-07 20:14:30

○MXposesfamilyfoundation.org.mx1-na.mailanyone.net2016-12-05 → 2017-02-12 · 5 obs

○ 2016-04-27 01:09:06
● 2016-12-05 23:43:02
● 2017-02-12 12:29:36
○ 2021-06-12 07:19:10
○ 2026-08-07 20:14:30

○MXposesfamilyfoundation.org.mx2-na.mailanyone.net2016-12-05 → 2017-02-12 · 5 obs

○ 2016-04-27 01:09:06
● 2016-12-05 23:43:02
● 2017-02-12 12:29:36
○ 2021-06-12 07:19:10
○ 2026-08-07 20:14:30

●MXsmtp.google.com2026-02-14 → 2026-08-07 · 3 obs

○ 2021-06-12 07:19:10
● 2026-02-14 20:43:34
● 2026-08-07 20:14:30

○MXus-smtp-inbound-1.mimecast.com2021-06-12 → 2021-06-12 · 4 obs

○ 2017-02-12 12:29:36
● 2021-06-12 07:19:10
○ 2026-02-14 20:43:34
○ 2026-08-07 20:14:30

○MXus-smtp-inbound-2.mimecast.com2021-06-12 → 2021-06-12 · 4 obs

○ 2017-02-12 12:29:36
● 2021-06-12 07:19:10
○ 2026-02-14 20:43:34
○ 2026-08-07 20:14:30

●A104.18.14.1332026-02-14 → 2026-08-07 · 3 obs

○ 2021-06-12 07:19:10
● 2026-02-14 20:43:34
● 2026-08-07 20:14:30

●A104.18.15.1332026-02-14 → 2026-08-07 · 3 obs

○ 2021-06-12 07:19:10
● 2026-02-14 20:43:34
● 2026-08-07 20:14:30

○A23.253.132.1432015-07-15 → 2017-02-12 · 4 obs

● 2015-07-15 00:19:46
● 2017-02-12 12:29:36
○ 2021-06-12 07:19:10
○ 2026-08-07 20:14:30

●A2606:4700::6812:e852026-02-14 → 2026-08-07 · 3 obs

○ 2021-06-12 07:19:10
● 2026-02-14 20:43:34
● 2026-08-07 20:14:30

●A2606:4700::6812:f852026-02-14 → 2026-08-07 · 3 obs

○ 2021-06-12 07:19:10
● 2026-02-14 20:43:34
● 2026-08-07 20:14:30

○A35.185.113.2202021-06-12 → 2021-06-12 · 4 obs

○ 2017-02-12 12:29:36
● 2021-06-12 07:19:10
○ 2026-02-14 20:43:34
○ 2026-08-07 20:14:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, d0.org.afilias-nst.org, b2.org.afilias-nst.org	-
understood.org	fred.ns.cloudflare.com, jill.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.122

NS records: fred.ns.cloudflare.com, jill.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for understood.org (unsigned zone)

⏱️ Timing

Total: 798ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.18.14.133, 104.18.15.133`
AAAA	2	`2606:4700::6812:e85, 2606:4700::6812:f85`
NS	2	`fred.ns.cloudflare.com, jill.ns.cloudflare.com`
MX	1	`smtp.google.com (pri: 0)`
TXT	20	`0ed1fe018a142d1276c1ee49dfa5e1b1b939a9b8, 84dw58n4ws11qbtlc6pwbkwvj0gs70m8...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`fred.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

understood.org is a parent domain; its children include de-sp-stream.understood.org, email.understood.org, de-sp.understood.org, www.understood.org, cdn-images.understood.org and a few other host names.

IP Addresses

understood.org has four IP addresses: 104.18.14.133, 104.18.15.133, 2606:4700::6812:e85 and 2606:4700::6812:f85.

Two other host names, along with cherrycreekmoderndentistry.com, homol-citsmart.gestao.gov.br and 0500mechanics.com, also share IP numbers with understood.org.

Name Servers

Two name servers handle the delegation for understood.org: fred.ns.cloudflare.com and jill.ns.cloudflare.com.

understood.org shares its NS records with other domains, for example helenley.org.uk, gauravgarden.com, bluecollection.gr and two others.

understood.org partially shares its NS delegation with several other domains, including mulberrytea.org, 789win9.online, furnishwork.com and two others.

These name servers are regularly seen alongside fatima.ns.cloudflare.com and roman.ns.cloudflare.com as name servers.

DNS names with 6 IP addresses:

fred.ns.cloudflare.com resolves to 108.162.193.113, 172.64.33.113 and 173.245.59.113 among others, with 3 other IP addresses in total.

jill.ns.cloudflare.com resolves to 108.162.192.122, 172.64.32.122 and 173.245.58.122 among others, with 3 other IP addresses in total.

Mail Servers

The sole mail server for understood.org is smtp.google.com.

Among the domains sharing a mail server setup with understood.org are genclikdunyasi.com, avencea.com, proaltum.com and two others.

There is at least a partial MX overlap between understood.org and other domains, including 9dclassic.com, litierfrancais.com, mastoora.net and two others.

The mail servers alt1.aspmx.l.google.com and alt2.aspmx.l.google.com regularly co-occur with these mail servers.

With 9 IP addresses total, smtp.google.com resolves to 172.253.115.27, 172.253.122.26, 172.253.122.27 and 6 others.