starexec.org - robtex.com

starexec.org

DNSSEC⚠️ Not signed
NSdns1.divms.uiowa.edu ⚠️ Not in zone NS records
A2620:0:e50:6810::80ff:6059🇺🇸 UIOWA-AS2620:0:e50::/45 University of Iowa, Iowa City, Iowa, USA
PTRdns1.divms.uiowa.edu
A128.255.96.89🇺🇸 UIOWA-AS128.255.0.0/16 University of Iowa Iowa City, Iowa, USA
PTRdns1.divms.uiowa.edu
NSdns2.divms.uiowa.edu ⚠️ Not in zone NS records
A2620:0:e50:640a::11🇺🇸 UIOWA-AS2620:0:e50::/45 University of Iowa, Iowa City, Iowa, USA
PTRdns2.divms.uiowa.edu
A128.255.58.10🇺🇸 UIOWA-AS128.255.0.0/16 University of Iowa Iowa City, Iowa, USA
PTRdns2.divms.uiowa.edu

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1778382448

Same first word

starexec.org
starexec.com

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extrasec.org
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secretax.ru
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DNS History

7 records (2 active, 5 former)

20162017201820192020202120222023202420252026NSdns1.divms.uiowa.edudns2.divms.uiowa.edudns1.starexec.orgdns2.starexec.orgdns3.starexec.orgdrserv02.starexec.orgA128.255.83.25
●NSdns1.divms.uiowa.edu2026-02-16 → 2026-05-10 · 3 obs
○ 2017-03-30 10:28:52
● 2026-02-16 01:43:52
● 2026-05-10 03:43:56
○NSdns1.starexec.org2015-08-04 → 2017-03-30 · 4 obs
● 2015-08-04 20:35:52
● 2017-03-30 10:28:52
○ 2026-02-16 01:43:52
○ 2026-05-10 03:43:56
●NSdns2.divms.uiowa.edu2026-02-16 → 2026-05-10 · 3 obs
○ 2017-03-30 10:28:52
● 2026-02-16 01:43:52
● 2026-05-10 03:43:56
○NSdns2.starexec.org2015-08-04 → 2017-03-30 · 4 obs
● 2015-08-04 20:35:52
● 2017-03-30 10:28:52
○ 2026-02-16 01:43:52
○ 2026-05-10 03:43:56
○NSdns3.starexec.org2015-08-04 → 2017-03-30 · 4 obs
● 2015-08-04 20:35:52
● 2017-03-30 10:28:52
○ 2026-02-16 01:43:52
○ 2026-05-10 03:43:56
○NSdrserv02.starexec.org2015-08-04 → 2017-03-30 · 4 obs
● 2015-08-04 20:35:52
● 2017-03-30 10:28:52
○ 2026-02-16 01:43:52
○ 2026-05-10 03:43:56
○A128.255.83.252015-08-04 → 2026-02-16 · 4 obs
● 2015-08-04 20:35:52
● 2026-02-16 10:07:46
○ 2026-05-02 16:43:10
○ 2026-05-10 03:43:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, d0.org.afilias-nst.org, b2.org.afilias-nst.org-
starexec.orgdns2.divms.uiowa.edu, dns1.divms.uiowa.edu-

✅ Authoritative Response

Server:128.255.96.89

NS records: dns2.divms.uiowa.edu, dns1.divms.uiowa.edu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for starexec.org (unsigned zone)

⏱️ Timing

Total: 352ms | Queries: -

📄 Records

TypeCountSample Data

Analysis

Name Servers

Delegation for starexec.org rests with two name servers, dns1.divms.uiowa.edu and dns2.divms.uiowa.edu.

starexec.org at least partially shares name servers with other domains, for instance 132.255.128.in-addr.arpa, stat.uiowa.edu, 33.255.128.in-addr.arpa, physics.uiowa.edu and 45.255.128.in-addr.arpa.

These name servers are often used together with dns3.divms.uiowa.edu, dns1.stat.uiowa.edu, dns2.stat.uiowa.edu, dns1.cs.uiowa.edu and dns1.math.uiowa.edu.

Host names with two IP numbers: dns1.divms.uiowa.edu points to 2620:0:e50:6810::80ff:6059 and 128.255.96.89; dns2.divms.uiowa.edu points to 2620:0:e50:640a::11 and 128.255.58.10.