dukehsac.com - robtex.com
dukehsac.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 152.3.160.23🇺🇸 DUKE-INTERCHANGE152.3.0.0/16 Duke 152.3.0.0/16 | ||||||
| PTR | zwfpub.fuqua.duke.edu | ||||||
| NS | dns-auth-01.oit.duke.edu ⭐ | ||||||
| A | 152.3.103.93🇺🇸 DUKE-INTERCHANGE152.3.0.0/16 Duke 152.3.0.0/16 | ||||||
| PTR | dns-auth-01.oit.duke.edu | ||||||
| NS | dns-auth-02.oit.duke.edu | ||||||
| A | 152.3.105.232🇺🇸 DUKE-INTERCHANGE152.3.0.0/16 Duke 152.3.0.0/16 | ||||||
| PTR | dns-auth-02.oit.duke.edu | ||||||
| NS | dns-nc1-01.oit.duke.edu | ||||||
| A | 67.159.96.12🇺🇸 DUKE-INTERCHANGE67.159.64.0/18 Duke 67.159.64.0/18 | ||||||
| PTR | dns-nc1-01.oit.duke.edu | ||||||
| SOA | dns-auth-01.oit.duke.edudatacom-hostmaster@duke.edu serial=685872985 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774658747 | ||||||
Same first word
dukehsac.com |
Similar names
DNS History
9 records (4 active, 5 former)
●NSdns-auth-01.oit.duke.edu2026-03-19 → 2026-03-28 · 3 obs
● 2026-03-19 03:19:20
● 2026-03-28 00:57:26
●NSdns-auth-02.oit.duke.edu2026-03-19 → 2026-03-28 · 3 obs
● 2026-03-19 03:19:20
● 2026-03-28 00:57:26
●NSdns-nc1-01.oit.duke.edu2026-03-19 → 2026-03-28 · 3 obs
● 2026-03-19 03:19:20
● 2026-03-28 00:57:26
○NSns75.worldnic.com2015-07-14 → 2017-06-02 · 4 obs
● 2017-06-02 07:25:22
○ 2026-03-19 03:19:20
○ 2026-03-28 00:57:26
○NSns76.worldnic.com2015-07-14 → 2017-06-02 · 4 obs
● 2017-06-02 07:25:22
○ 2026-03-19 03:19:20
○ 2026-03-28 00:57:26
○MXp.webcom.ctmail.com2015-11-16 → 2017-06-02 · 4 obs
● 2017-06-02 07:25:22
○ 2026-03-19 03:19:20
○ 2026-03-28 00:57:26
○A152.3.160.1052015-07-14 → 2016-02-03 · 4 obs
● 2016-02-03 18:44:30
○ 2016-06-18 18:37:54
○ 2026-03-28 00:57:26
○A152.3.160.1102016-06-18 → 2017-06-02 · 5 obs
● 2016-06-18 18:37:54
● 2017-06-02 07:25:22
○ 2026-03-19 03:19:20
○ 2026-03-28 00:57:26
●A152.3.160.232026-03-19 → 2026-03-28 · 3 obs
● 2026-03-19 03:19:20
● 2026-03-28 00:57:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| dukehsac.com | dns-auth-01.oit.duke.edu, dns-auth-02.oit.duke.edu, dns-nc1-01.oit.duke.edu | - |
✅ Authoritative Response
Server:67.159.96.12
NS records: dns-auth-01.oit.duke.edu, dns-auth-02.oit.duke.edu, dns-nc1-01.oit.duke.edu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dukehsac.com (unsigned zone)
⏱️ Timing
Total: 556ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 152.3.160.23 |
| NS | 3 | dns-auth-02.oit.duke.edu, dns-auth-01.oit.duke.edu... |
| SOA | 1 | dns-auth-01.oit.duke.edu datacom-hostmas |
Analysis
IP Addresses
dukehsac.com resolves to one IP number: 152.3.160.23.
Other host names, for instance zwfpub.fuqua.duke.edu, share IP numbers with dukehsac.com.
Name Servers
dukehsac.com is delegated to three name servers dns-auth-01.oit.duke.edu, dns-auth-02.oit.duke.edu and dns-nc1-01.oit.duke.edu.
dukehsac.com at least partially shares name servers with other domains, for instance pubpol.duke.edu, virtualreality.duke.edu, casesmartimpact.com, jenkins.duke.edu and 3.152.in-addr.arpa.
Host names with one IP number: dns-auth-01.oit.duke.edu points to 152.3.103.93; dns-auth-02.oit.duke.edu points to 152.3.105.232; dns-nc1-01.oit.duke.edu points to 67.159.96.12.