`engineeringchallenges.org`

DNSSEC	⚠️ Not signed
A	72.32.23.51^{🇺🇸 RACKSPACE-DFW72.32.0.0/16 Rackspace, 5000 Walzem Road, San Antonio, TX 78218}
NS	`ns.rackspace.com` ⭐
		A	69.20.95.4^{🇺🇸 RACKSPACE-DFW69.20.95.0/24 Rackspace, 5000 Walzem Road, San Antonio, TX 78218}
			PTR	`ns.rackspace.com`
NS	`dns1.stabletransit.com`
		A	69.20.95.4^{🇺🇸 RACKSPACE-DFW69.20.95.0/24 Rackspace, 5000 Walzem Road, San Antonio, TX 78218}
			PTR	`ns.rackspace.com`
NS	`dns2.stabletransit.com`
		A	65.61.188.4^{🇺🇸 RACKSPACE-LON65.61.188.0/24 Rackspace, 5000 Walzem Road, San Antonio, TX 78218}
			PTR	`ns2.rackspace.com`
TXT	`v=spf1 ip4:72.32.23.51 include:sendgrid.net -all`
SOA	`ns.rackspace.com`support@diamax.com serial=1758182931

`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=1774933883

rank #308508 globally
rank #22950 in the tld
WOT: UNKNOWN (84/100)

Same first word

engineeringchallenges.org

DNS History

10 records (4 active, 6 former)

○NSberkshire.nas.edu2015-05-28 → 2015-10-19 · 4 obs

● 2015-05-28 10:07:16
● 2015-10-19 07:33:30
○ 2015-12-24 08:21:34
○ 2026-03-31 05:22:40

○NSbighorn.nas.edu2015-05-28 → 2015-10-19 · 4 obs

● 2015-05-28 10:07:16
● 2015-10-19 07:33:30
○ 2015-12-24 08:21:34
○ 2026-03-31 05:22:40

○NSbighorn.nas.edu.org2015-05-28 → 2015-10-19 · 4 obs

● 2015-05-28 10:07:16
● 2015-10-19 07:33:30
○ 2015-12-24 08:21:34
○ 2026-03-31 05:22:40

●NSdns1.stabletransit.com2015-12-24 → 2026-03-31 · 3 obs

○ 2015-10-19 07:33:30
● 2015-12-24 08:21:34
● 2026-03-31 05:22:40

●NSdns2.stabletransit.com2015-12-24 → 2026-03-31 · 3 obs

○ 2015-10-19 07:33:30
● 2015-12-24 08:21:34
● 2026-03-31 05:22:40

●NSns.rackspace.com2015-12-24 → 2026-03-31 · 3 obs

○ 2015-10-19 07:33:30
● 2015-12-24 08:21:34
● 2026-03-31 05:22:40

○NSrushmore.nas.edu2015-05-28 → 2015-05-28 · 3 obs

● 2015-05-28 10:07:16
○ 2015-10-19 07:33:30
○ 2026-03-31 05:22:40

○A72.3.201.2462015-05-28 → 2015-10-19 · 4 obs

● 2015-05-28 10:07:16
● 2015-10-19 07:33:30
○ 2015-12-24 08:21:34
○ 2026-03-31 05:22:40

○A72.3.201.2472015-12-24 → 2016-08-03 · 5 obs

○ 2015-10-19 07:33:30
● 2015-12-24 08:21:34
● 2016-08-03 06:10:18
○ 2026-02-21 10:09:04
○ 2026-03-31 05:22:40

●A72.32.23.512026-02-21 → 2026-03-31 · 3 obs

○ 2016-08-03 06:10:18
● 2026-02-21 10:09:04
● 2026-03-31 05:22:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
engineeringchallenges.org	dns1.stabletransit.com, dns2.stabletransit.com	-

✅ Authoritative Response

Server:65.61.188.4

NS records: dns1.stabletransit.com, dns2.stabletransit.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for engineeringchallenges.org (unsigned zone)

⏱️ Timing

Total: 600ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`72.32.23.51`
NS	2	`dns2.stabletransit.com, dns1.stabletransit.com`
TXT	1	`v=spf1 ip4:72.32.23.51 include:sendgrid.`
SOA	1	`ns.rackspace.com support.diamax.com`

Analysis

IP Addresses

engineeringchallenges.org maps to IP address 72.32.23.51.

Other host names for instance www.greatachievements.org and greatachievements.org share IP numbers with engineeringchallenges.org.

Name Servers

engineeringchallenges.org is delegated to name servers ns.rackspace.com, dns1.stabletransit.com and dns2.stabletransit.com.

engineeringchallenges.org at least partially shares name servers with other domains such as bsgweb.com, westernruralhealthcare.co.uk, sb-am.com, 194.56.50.in-addr.arpa and tyroutlet.com.

These name servers are commonly used with ns2.rackspace.com, dns7.communigal.net, dns8.communigal.net and ns1.rackspace.com.

Host names sharing a single IP:

ns.rackspace.com points to: 69.20.95.4

dns1.stabletransit.com points to: 69.20.95.4

dns2.stabletransit.com points to: 65.61.188.4

Names pointing to 69.20.95.4: ns.rackspace.com and dns1.stabletransit.com

engineeringchallenges.org - robtex.com