ucdot.org - dns.ninja

`ucdot.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:3396^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:b613^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.51.150^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.182.19^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`amit.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b3f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amit.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c13f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`amit.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:213f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`amit.ns.cloudflare.com`
		A	108.162.193.63^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amit.ns.cloudflare.com`
		A	172.64.33.63^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amit.ns.cloudflare.com`
		A	173.245.59.63^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amit.ns.cloudflare.com`
NS	`sue.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a91^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sue.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c091^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sue.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2091^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sue.ns.cloudflare.com`
		A	108.162.192.145^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sue.ns.cloudflare.com`
		A	172.64.32.145^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sue.ns.cloudflare.com`
		A	173.245.58.145^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sue.ns.cloudflare.com`
TXT	`google-site-verification=pWMssyNQkN_lgG5p8CpLDg9G8396t81VG94awH7XB10`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.51.150, 172.67.182.19
		IPv6 hints	2606:4700:3030::6815:3396, 2606:4700:3037::ac43:b613
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=155, name=cloudflare-ech.com
SOA	`amit.ns.cloudflare.com`dns@cloudflare.com serial=2404940965

`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=1783748069

WOT: SAFE (66/100)

Previously MX for

ucdot.org

Same first word

ucdot.com

ucdot.org

Similar names

doctu.su

docut.net

ctudo.com

tuocd.com

odtuc.org.uk

dutco.com

toudc.com

dotcu.com

cudot.com

uotdc.de

dotuc.com

tudco.com

ocdut.kr.ua

utdco.com

outdc.com

utdoc.com

ducot.net

dutoc.com

oudtc.com

doctu.com

ctduo.com

tudco.ie

outcd.com

doctu.ru

dcout.com

ducto.com.br

DNS History

17 records (6 active, 11 former)

●NSamit.ns.cloudflare.com2026-05-28 → 2026-07-11 · 3 obs

○ 2026-05-16 12:47:10
● 2026-05-28 17:06:34
● 2026-07-11 06:06:38

○NSaugustus.ns.cloudflare.com2026-02-23 → 2026-05-16 · 5 obs

○ 2020-01-24 12:23:34
● 2026-02-23 14:15:34
● 2026-05-16 12:47:10
○ 2026-05-28 17:06:34
○ 2026-07-11 06:06:38

○NSdns1.sered.net2016-09-24 → 2016-12-07 · 4 obs

● 2016-09-24 09:00:58
● 2016-12-07 00:42:30
○ 2020-01-24 12:23:34
○ 2026-07-11 06:06:38

○NSdns2.sered.net2016-09-24 → 2016-12-07 · 4 obs

● 2016-09-24 09:00:58
● 2016-12-07 00:42:30
○ 2020-01-24 12:23:34
○ 2026-07-11 06:06:38

○NSlaura.ns.cloudflare.com2026-02-23 → 2026-05-16 · 5 obs

○ 2020-01-24 12:23:34
● 2026-02-23 14:15:34
● 2026-05-16 12:47:10
○ 2026-05-28 17:06:34
○ 2026-07-11 06:06:38

○NSns11.seohost.com.au2020-01-24 → 2020-01-24 · 4 obs

○ 2016-12-07 00:42:30
● 2020-01-24 12:23:34
○ 2026-02-23 14:15:34
○ 2026-07-11 06:06:38

○NSns12.seohost.com.au2020-01-24 → 2020-01-24 · 4 obs

○ 2016-12-07 00:42:30
● 2020-01-24 12:23:34
○ 2026-02-23 14:15:34
○ 2026-07-11 06:06:38

●NSsue.ns.cloudflare.com2026-05-28 → 2026-07-11 · 3 obs

○ 2026-05-16 12:47:10
● 2026-05-28 17:06:34
● 2026-07-11 06:06:38

○MXucdot.org2016-09-24 → 2020-01-24 · 4 obs

● 2016-09-24 09:00:58
● 2020-01-24 12:23:34
○ 2026-02-23 14:15:34
○ 2026-07-11 06:06:38

●A104.21.51.1502026-02-23 → 2026-07-11 · 6 obs

○ 2020-01-24 12:23:34
● 2026-02-23 14:15:34
○ 2026-03-09 08:45:46
○ 2026-05-16 12:47:10
● 2026-05-28 17:06:34
● 2026-07-11 06:06:38

●A172.67.182.192026-02-23 → 2026-07-11 · 6 obs

○ 2020-01-24 12:23:34
● 2026-02-23 14:15:34
○ 2026-03-09 08:45:46
○ 2026-05-16 12:47:10
● 2026-05-28 17:06:34
● 2026-07-11 06:06:38

○A191.96.231.302016-09-24 → 2016-12-07 · 4 obs

● 2016-09-24 09:00:58
● 2016-12-07 00:42:30
○ 2020-01-24 12:23:34
○ 2026-07-11 06:06:38

●A2606:4700:3030::6815:33962026-07-05 → 2026-07-11 · 3 obs

○ 2026-06-02 14:32:12
● 2026-07-05 00:11:04
● 2026-07-11 06:06:38

○A2606:4700:3031::ac43:b6132026-02-23 → 2026-06-02 · 8 obs

○ 2020-01-24 12:23:34
● 2026-02-23 14:15:34
○ 2026-03-09 08:45:46
○ 2026-05-16 12:47:10
● 2026-05-28 17:06:34
● 2026-06-02 14:32:12
○ 2026-07-05 00:11:04
○ 2026-07-11 06:06:38

○A2606:4700:3034::6815:33962026-02-23 → 2026-06-02 · 8 obs

○ 2020-01-24 12:23:34
● 2026-02-23 14:15:34
○ 2026-03-09 08:45:46
○ 2026-05-16 12:47:10
● 2026-05-28 17:06:34
● 2026-06-02 14:32:12
○ 2026-07-05 00:11:04
○ 2026-07-11 06:06:38

●A2606:4700:3037::ac43:b6132026-07-05 → 2026-07-11 · 3 obs

○ 2026-06-02 14:32:12
● 2026-07-05 00:11:04
● 2026-07-11 06:06:38

○A54.84.5.792020-01-24 → 2020-01-24 · 4 obs

○ 2016-12-07 00:42:30
● 2020-01-24 12:23:34
○ 2026-02-23 14:15:34
○ 2026-07-11 06:06:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	d0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org	-
ucdot.org	sue.ns.cloudflare.com, amit.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.145

NS records: sue.ns.cloudflare.com, amit.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ucdot.org (unsigned zone)

⏱️ Timing

Total: 487ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.51.150, 172.67.182.19`
AAAA	2	`2606:4700:3030::6815:3396, 2606:4700:3037::ac43:b613`
NS	2	`amit.ns.cloudflare.com, sue.ns.cloudflare.com`
TXT	1	`google-site-verification=pWMssyNQkN_lgG5`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`amit.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

ucdot.org has four IP addresses: 104.21.51.150, 172.67.182.19, 2606:4700:3030::6815:3396 and 2606:4700:3037::ac43:b613.

mx.addyour.net, www.mz158.com, biqu99.cc and two other host names share IP numbers with ucdot.org.

Name Servers

DNS delegation for ucdot.org points to two name servers: amit.ns.cloudflare.com and sue.ns.cloudflare.com.

ucdot.org uses the same name servers as several other domains — among them montgomerymachine.com, ip.sd, publicpeople.org.za and two more.

ucdot.org has at least partial name server overlap with other domains, such as great-api.com, pushcreative.com.au, brightdigitalnetwork.forum and two others.

It is common to see these name servers used together with name servers nile.ns.cloudflare.com and raegan.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

amit.ns.cloudflare.com has IP addresses 108.162.193.63, 172.64.33.63 and 173.245.59.63, plus 3 other.

sue.ns.cloudflare.com has IP addresses 108.162.192.145, 172.64.32.145 and 173.245.58.145, plus 3 other.