dhslearn.com - dns.ninja

dhslearn.com

DNSSEC⚠️ Not signed
A156.110.248.99🇺🇸 OUHSC-EDU156.110.240.0/20 University of Oklahoma HSC (UNIVER-196)
NSntdc-gm.net.ou.edu ⭐
A10.0.252.14
NSns1.ouhsc.edu
A156.110.247.254🇺🇸 OUHSC-EDU156.110.240.0/20 University of Oklahoma HSC (UNIVER-196)
PTRns1.ouhsc.edu
NSns2.ouhsc.edu
A156.110.243.20🇺🇸 OUHSC-EDU156.110.240.0/20 University of Oklahoma HSC (UNIVER-196)
PTRns2.ouhsc.edu
SOAntdc-gm.net.ou.eduitops-alerts@ouhsc.edu 2021-09-08 #12

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1786044404

Same first word

dhslearn.com

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DNS History

9 records (4 active, 5 former)

2020202120222023202420252026NSns1.ouhsc.eduns2.ouhsc.eduntdc-gm.net.ou.eduns29.domaincontrol.comns30.domaincontrol.comMXmailstore1.secureserver.netsmtp.secureserver.netA156.110.248.9950.63.202.57
●NSns1.ouhsc.edu2026-03-20 → 2026-08-06 · 3 obs
○ 2019-05-02 17:07:58
● 2026-03-20 02:57:08
● 2026-08-06 19:31:22
●NSns2.ouhsc.edu2026-03-20 → 2026-08-06 · 3 obs
○ 2019-05-02 17:07:58
● 2026-03-20 02:57:08
● 2026-08-06 19:31:22
○NSns29.domaincontrol.com2019-05-02 → 2019-05-02 · 3 obs
● 2019-05-02 17:07:58
○ 2026-03-20 02:57:08
○ 2026-08-06 19:31:22
○NSns30.domaincontrol.com2019-05-02 → 2019-05-02 · 3 obs
● 2019-05-02 17:07:58
○ 2026-03-20 02:57:08
○ 2026-08-06 19:31:22
●NSntdc-gm.net.ou.edu2026-03-20 → 2026-08-06 · 3 obs
○ 2019-05-02 17:07:58
● 2026-03-20 02:57:08
● 2026-08-06 19:31:22
○MXmailstore1.secureserver.net2019-05-02 → 2019-05-02 · 3 obs
● 2019-05-02 17:07:58
○ 2026-03-20 02:57:08
○ 2026-08-06 19:31:22
○MXsmtp.secureserver.net2019-05-02 → 2019-05-02 · 3 obs
● 2019-05-02 17:07:58
○ 2026-03-20 02:57:08
○ 2026-08-06 19:31:22
●A156.110.248.992026-03-20 → 2026-08-06 · 3 obs
○ 2019-05-02 17:07:58
● 2026-03-20 02:57:08
● 2026-08-06 19:31:22
○A50.63.202.572019-05-02 → 2019-05-02 · 3 obs
● 2019-05-02 17:07:58
○ 2026-03-20 02:57:08
○ 2026-08-06 19:31:22

🔍 DNS Trace

Analysis

IP Addresses

dhslearn.com resolves to just one IP address, 156.110.248.99.

There are other host names — okdhslearn.com among them — that share IP numbers with dhslearn.com.

Name Servers

DNS for dhslearn.com is handled by three authoritative name servers: ns1.ouhsc.edu, ns2.ouhsc.edu and ntdc-gm.net.ou.edu.

dhslearn.com has at least partial name server overlap with other domains, such as nwc.ou.edu, southcentralclimate.org, ath.ou.edu and two others.

mc1.backbone.ou.edu, nc1.backbone.ou.edu and rc1.backbone.ou.edu — plus 5 other name servers — are commonly paired with these name servers.

ns1.ouhsc.edu, ns2.ouhsc.edu and ntdc-gm.net.ou.edu all have one IP address each — ns1.ouhsc.edu directs to 156.110.247.254, ns2.ouhsc.edu directs to 156.110.243.20 and ntdc-gm.net.ou.edu directs to 10.0.252.14.