sdss3.org - robtex.com
sdss3.org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 23.185.0.4🇺🇸 Fastly23.185.0.0/24 Pantheon | ||||||
| NS | ens1.jhu.edu ⭐ | ||||||
| A | 2606:2b00:0:405::10🇺🇸 AS57232606:2b00::/32 Hopkins Information Technology Services 3400 North Charles Street Garland Hall, Suite 020 Baltimore MD 21218 United States | ||||||
| A | 128.220.1.75🇺🇸 AS5723128.220.0.0/16 JHU 128.220.0.0/16 Hopkins Information Technology Services 3400 North Charles Street Garland Hall, Suite 020 Baltimore MD 21218 United States | ||||||
| PTR | ens1.jhu.edu | ||||||
| NS | ens1.jhmi.edu | ||||||
| A | 2606:2b00:0:401::10🇺🇸 AS57232606:2b00::/32 Hopkins Information Technology Services 3400 North Charles Street Garland Hall, Suite 020 Baltimore MD 21218 United States | ||||||
| A | 162.129.253.134🇺🇸 AS5723162.129.0.0/16 JHMI 162.129.0.0/16 600 North Wolfe Street Baltimore MD 21205 United States | ||||||
| PTR | ens1.jhmi.edu | ||||||
| MX | mail.inscc.utah.edu ⭐ | ||||||
| A | 155.101.3.59🇺🇸 AS17055155.101.0.0/16 This is a UEN Customer route. | ||||||
| PTR | mail.chpc.utah.edu | ||||||
| SOA | ens1.jhu.eduhostmaster@jhu.edu serial=1357 | ||||||
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.infohostmaster@donuts.email serial=1773551953 | ||||||
rank #29228 in the tld
WOT: SAFE (84/100)
📈 Tranco rank: #861,699
Subdomains
skyserver.sdss3.org |
Same first word
sdss3.org |
Similar names
DNS History
15 records (4 active, 11 former)
○NSadns1.es.net2015-08-14 → 2016-09-23 · 4 obs
● 2016-09-23 15:00:12
○ 2017-04-08 16:30:44
○ 2026-03-23 13:29:48
○NSadns2.es.net2015-08-14 → 2016-09-23 · 4 obs
● 2016-09-23 15:00:12
○ 2017-04-08 16:30:44
○ 2026-03-23 13:29:48
●NSens1.jhmi.edu2017-04-08 → 2026-03-23 · 3 obs
● 2017-04-08 16:30:44
● 2026-03-23 13:29:48
●NSens1.jhu.edu2017-04-08 → 2026-03-23 · 3 obs
● 2017-04-08 16:30:44
● 2026-03-23 13:29:48
○NSesgbloxgmc.johnshopkins.edu2017-04-08 → 2017-09-16 · 4 obs
● 2017-04-08 16:30:44
● 2017-09-16 03:01:36
○ 2026-03-23 13:29:48
○NSlocalhost.lbl.gov2015-08-14 → 2016-09-23 · 4 obs
● 2016-09-23 15:00:12
○ 2017-04-08 16:30:44
○ 2026-03-23 13:29:48
○NSnsd.lbl.gov2015-08-14 → 2016-09-23 · 4 obs
● 2016-09-23 15:00:12
○ 2017-04-08 16:30:44
○ 2026-03-23 13:29:48
○NSnsx.lbl.gov2015-08-14 → 2016-09-23 · 4 obs
● 2016-09-23 15:00:12
○ 2017-04-08 16:30:44
○ 2026-03-23 13:29:48
●MXmail.inscc.utah.edu2017-04-08 → 2026-03-23 · 3 obs
● 2017-04-08 16:30:44
● 2026-03-23 13:29:48
○MXmailgate.lbl.gov2015-08-14 → 2016-09-23 · 4 obs
● 2016-09-23 15:00:12
○ 2017-04-08 16:30:44
○ 2026-03-23 13:29:48
○MXpostal2.lbl.gov2015-08-14 → 2016-09-23 · 4 obs
● 2016-09-23 15:00:12
○ 2017-04-08 16:30:44
○ 2026-03-23 13:29:48
○MXsmtp.lbl.gov2015-08-14 → 2016-09-23 · 4 obs
● 2016-09-23 15:00:12
○ 2017-04-08 16:30:44
○ 2026-03-23 13:29:48
○A128.220.233.1412017-04-08 → 2017-09-16 · 4 obs
● 2017-04-08 16:30:44
● 2017-09-16 03:01:36
○ 2026-03-23 13:29:48
○A128.3.7.1152015-08-14 → 2016-09-23 · 4 obs
● 2016-09-23 15:00:12
○ 2017-04-08 16:30:44
○ 2026-03-23 13:29:48
●A23.185.0.42026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 13:29:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| sdss3.org | ens1.jhu.edu, ens1.jhmi.edu | - |
✅ Authoritative Response
Server:128.220.1.75
NS records: ens1.jhu.edu, ens1.jhmi.edu
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 420ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 23.185.0.4 |
| NS | 2 | ens1.jhu.edu, ens1.jhmi.edu |
| MX | 1 | mail.inscc.utah.edu (pri: 10) |
| SOA | 1 | ens1.jhu.edu hostmaster.jhu.edu |
Analysis
Hierarchy
The parent of skyserver.sdss3.org is sdss3.org.
IP Addresses
sdss3.org points to a single IP address: 23.185.0.4.
Other host names such as www.3dlacrosse.com, 007.com, polencapital.com, dearing-group.com and hoffmanlawpnw.com share IPs with sdss3.org.
Name Servers
Two name servers ens1.jhmi.edu and ens1.jhu.edu handle the delegation for sdss3.org.
sdss3.org shares the same name server setup as other domains, for example nativevision.org, 76.220.128.in-addr.arpa, soc.jhu.edu, hopkinsmedicine.org and localinfrastructure.org.
sdss3.org shares name servers with other domains at least partially, for instance teamcorus.com.
Host names with two IP numbers:
ens1.jhmi.edu points to 2606:2b00:0:401::10 and 162.129.253.134.
ens1.jhu.edu points to 2606:2b00:0:405::10 and 128.220.1.75.
Mail Servers
The mail.inscc.utah.edu mail server handles sdss3.org.
sdss3.org shares the same mail server setup as other domains, including www.chpc.utah.edu, ns1.chpc.utah.edu, ns1.inscc.utah.edu, ns2.chpc.utah.edu and greatsaltlake.utah.edu.
mail.inscc.utah.edu points to a single IP number: 155.101.3.59.