`qcu.org`

DNSSEC	⚠️ Not signed
A	104.18.36.122^{Cloudflare104.18.36.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	172.64.151.134^{🇺🇸 Cloudflare172.64.151.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`edns123.ultradns.com` ⭐
		A	2001:502:f3ff::27b^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`edns123.ultradns.com`
		A	204.74.66.123^{🇺🇸 MAINT-ID-12008204.74.66.0/24 Neustar}
			PTR	`edns123.ultradns.com`
NS	`edns123.ultradns.biz`
		A	2610:a1:1015::27b^{🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar}
			PTR	`edns123.ultradns.biz`
		A	204.74.67.123^{🇺🇸 MAINT-ID-12008204.74.67.0/24 Neustar}
			PTR	`edns123.ultradns.biz`
NS	`edns123.ultradns.net`
		A	2610:a1:1014::27b^{🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar}
			PTR	`edns123.ultradns.net`
		A	204.74.110.123^{🇺🇸 MAINT-ID-12008204.74.110.0/24 Neustar}
			PTR	`edns123.ultradns.net`
NS	`edns123.ultradns.org`
		A	2001:502:4612::27b^{🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar}
			PTR	`edns123.ultradns.org`
		A	204.74.111.123^{🇺🇸 MAINT-ID-12008204.74.111.0/24 Neustar}
			PTR	`edns123.ultradns.org`
MX	`us-smtp-inbound-1.mimecast.com` ⭐
		A	170.10.128.141^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.221^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.242^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.141^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.221^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.242^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
MX	`us-smtp-inbound-2.mimecast.com` ⭐
		A	170.10.128.141^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.221^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.242^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.141^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.221^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.242^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
TXT	`8mxj59fbwxknwcy6xcpsxvf10tgtjs99`
TXT	`0ed1fe018ab31a9a41af2846c7905f359a4663517b`
TXT	`MS=27B8CD4E43E411AE9C46619F3B63E02CCF53D483`
TXT	`v=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com ...`
SOA	`edns123.ultradns.com`servicesmanagement\@di.ncr.com 2014-08-21 #72

`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=1771291736

Subdomains

wcomcast.qcu.org

comcast.qcu.org

covad.qcu.org

www.qcu.org

Same first word

qcu.nl

qcu.com.cn

qcu.org

qcu.ca

qcu.com.au

qcu.net

qcu.ru

qcu.de

qcu.asn.au

qcu.eu

qcu.be

Similar names

uqc.eu

quc.de

uqc.ch

cqu.edu.au

uqc.co.uk

ucq.us

ucq.it

uqc.net

uqc.in

uqc.jp

cqu.nl

uqc.cc

uqc.kr

cqu.org.cn

quc.net

cuq.fr

ucq.de

uqc.org

uqc.ne.jp

cqu.ca

cuq.us

quc.eu

cqu.com

ucq.com.cn

cqu.edu.cn

quc.me

cuq.ch

ucq.ch

cqu.it

cqu.es

cuq.com

uqc.cn

ucq.jp

cqu.co

quc.tv

cuq.info

cqu.be

ucq.ac.uk

ucq.com.au

cqu.de

ucq.me

quc.it

ucq.edu.br

cuq.in

cqu.info

quc.nl

cuq.com.cn

cqu.eu

cuq.co.uk

ucq.co

cqu.in

ucq.cc

cuq.cc

ucq.eu

cuq.co

uqc.com.cn

cqu.me

ucq.nl

cuq.eu

uqc.ru

ucq.mx

cqu.org

ucq.ru

uqc.ca

quc.us

uqc.com

quc.ir

quc.co

cuq.de

cuq.nl

cuq.cl

quc.com

quc.ca

cqu.org.au

ucq.in

ucq.edu.mx

cqu.cc

cuq.org

quc.gr

quc.cn

cqu.us

DNS History

21 records (8 active, 13 former)

○NSa1.verisigndns.com2017-07-07 → 2017-08-19 · 5 obs

○ 2016-12-20 22:41:38
● 2017-07-07 11:25:12
● 2017-08-19 01:27:54
○ 2026-02-22 03:04:08
○ 2026-03-14 07:17:08

○NSa2.verisigndns.com2017-07-07 → 2017-08-19 · 5 obs

○ 2016-12-20 22:41:38
● 2017-07-07 11:25:12
● 2017-08-19 01:27:54
○ 2026-02-22 03:04:08
○ 2026-03-14 07:17:08

○NSa3.verisigndns.com2017-07-07 → 2017-08-19 · 5 obs

○ 2016-12-20 22:41:38
● 2017-07-07 11:25:12
● 2017-08-19 01:27:54
○ 2026-02-22 03:04:08
○ 2026-03-14 07:17:08

●NSedns123.ultradns.biz2026-02-22 → 2026-03-14 · 3 obs

○ 2017-08-19 01:27:54
● 2026-02-22 03:04:08
● 2026-03-14 07:17:08

●NSedns123.ultradns.com2026-02-22 → 2026-03-14 · 3 obs

○ 2017-08-19 01:27:54
● 2026-02-22 03:04:08
● 2026-03-14 07:17:08

●NSedns123.ultradns.net2026-02-22 → 2026-03-14 · 3 obs

○ 2017-08-19 01:27:54
● 2026-02-22 03:04:08
● 2026-03-14 07:17:08

●NSedns123.ultradns.org2026-02-22 → 2026-03-14 · 3 obs

○ 2017-08-19 01:27:54
● 2026-02-22 03:04:08
● 2026-03-14 07:17:08

○NSpdns211.ultradns.biz2015-08-31 → 2017-08-02 · 4 obs

● 2015-08-31 21:12:48
● 2017-08-02 20:50:02
○ 2017-08-19 01:27:54
○ 2026-03-14 07:17:08

○NSpdns211.ultradns.com2015-08-31 → 2017-08-02 · 6 obs

● 2015-08-31 21:12:48
● 2016-12-20 22:41:38
○ 2017-07-07 11:25:12
● 2017-08-02 20:50:02
○ 2017-08-19 01:27:54
○ 2026-03-14 07:17:08

○NSpdns211.ultradns.net2015-08-31 → 2017-08-02 · 4 obs

● 2015-08-31 21:12:48
● 2017-08-02 20:50:02
○ 2017-08-19 01:27:54
○ 2026-03-14 07:17:08

○NSpdns211.ultradns.org2015-08-31 → 2017-08-02 · 4 obs

● 2015-08-31 21:12:48
● 2017-08-02 20:50:02
○ 2017-08-19 01:27:54
○ 2026-03-14 07:17:08

○MXcomcast.qcu.org2015-08-31 → 2017-08-19 · 4 obs

● 2015-08-31 21:12:48
● 2017-08-19 01:27:54
○ 2026-02-22 03:04:08
○ 2026-03-14 07:17:08

○MXcovad.qcu.org2015-08-31 → 2017-08-19 · 4 obs

● 2015-08-31 21:12:48
● 2017-08-19 01:27:54
○ 2026-02-22 03:04:08
○ 2026-03-14 07:17:08

●MXus-smtp-inbound-1.mimecast.com2026-02-22 → 2026-03-14 · 3 obs

○ 2017-08-19 01:27:54
● 2026-02-22 03:04:08
● 2026-03-14 07:17:08

●MXus-smtp-inbound-2.mimecast.com2026-02-22 → 2026-03-14 · 3 obs

○ 2017-08-19 01:27:54
● 2026-02-22 03:04:08
● 2026-03-14 07:17:08

○MXwcomcast.qcu.org2015-08-31 → 2017-08-19 · 4 obs

● 2015-08-31 21:12:48
● 2017-08-19 01:27:54
○ 2026-02-22 03:04:08
○ 2026-03-14 07:17:08

○MXwverizon.qcu.org2015-08-31 → 2017-08-19 · 4 obs

● 2015-08-31 21:12:48
● 2017-08-19 01:27:54
○ 2026-02-22 03:04:08
○ 2026-03-14 07:17:08

●A104.18.36.1222026-02-22 → 2026-03-14 · 3 obs

○ 2017-08-19 01:27:54
● 2026-02-22 03:04:08
● 2026-03-14 07:17:08

●A172.64.151.1342026-02-22 → 2026-03-14 · 3 obs

○ 2017-08-19 01:27:54
● 2026-02-22 03:04:08
● 2026-03-14 07:17:08

○A199.102.144.602015-08-31 → 2017-08-19 · 4 obs

● 2015-08-31 21:12:48
● 2017-08-19 01:27:54
○ 2026-02-22 03:04:08
○ 2026-03-14 07:17:08

○A199.102.148.602015-08-31 → 2017-08-19 · 4 obs

● 2015-08-31 21:12:48
● 2017-08-19 01:27:54
○ 2026-02-22 03:04:08
○ 2026-03-14 07:17:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
qcu.org	edns123.ultradns.biz, edns123.ultradns.com, edns123.ultradns.net, edns123.ultradns.org	2 records

✅ Authoritative Response

Server: 204.74.111.123

NS records: edns123.ultradns.biz, edns123.ultradns.com, edns123.ultradns.net, edns123.ultradns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for qcu.org (unsigned zone)

⏱️ Timing

Total: 756ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.64.151.134, 104.18.36.122`
NS	4	`edns123.ultradns.biz, edns123.ultradns.com...`
MX	2	`us-smtp-inbound-1.mimecast.com (pri: 10), us-smtp-inbound-2.mimecast.com (pri: 10)`
TXT	4	`8mxj59fbwxknwcy6xcpsxvf10tgtjs99, 0ed1fe018ab31a9a41af2846c7905f359a466351...`
SOA	1	`edns123.ultradns.com servicesmanagement\`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (edns123.ultradns.org, edns123.ultradns.org)

Analysis

Hierarchy

qcu.org is parent of wcomcast.qcu.org, comcast.qcu.org, covad.qcu.org and www.qcu.org.

IP Addresses

qcu.org points to two IP numbers: 104.18.36.122 and 172.64.151.134.

Other host names such as 04049.eps-40.com, mechanicsbankonline.com, 04944.eps-40.com, understandrisk.org and velocitycommunity.org share IP numbers with qcu.org.

Name Servers

qcu.org is delegated to four name servers: edns123.ultradns.biz, edns123.ultradns.com, edns123.ultradns.net and edns123.ultradns.org.

At least part of the name servers for qcu.org are shared with other domains, for instance retalixsaas.com, ubtna.com, gecu-ep.org, njmbank.com and cefcu.org.