instruct.rhnet.org - robtex.com

instruct.rhnet.org

DNSSEC⚠️ Not signed
A10.12.13.28
A10.12.13.30
A10.12.13.31
NSdc1.instruct.rhnet.org ⭐ ⚠️ Not in parent delegation
A10.12.13.30
NSdc2.instruct.rhnet.org ⚠️ Not in parent delegation
A10.12.13.28
NSdc3.instruct.rhnet.org ⚠️ Not in parent delegation
A10.12.13.31
NSforty.monroe.edu ⚠️ Not in parent delegation
A199.190.222.66πŸ‡ΊπŸ‡Έ RoadRunner199.190.222.0/23 RR-RC-City of Torrance-West
PTRforty.monroe.edu
NSns2.monroe.edu ⚠️ Not in parent delegation
A199.190.222.115πŸ‡ΊπŸ‡Έ RoadRunner199.190.222.0/23 RR-RC-City of Torrance-West
PTRns2.monroe.edu
SOAdc1.instruct.rhnet.orghostmaster serial=43355753

rhnet.org

DNSSEC⚠️ Not signed
A104.17.71.73Cloudflare104.17.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSforty.monroe.edu ⭐
NSns2.monroe.edu
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(5)
MXalt2.aspmx.l.google.com(5)
MXalt3.aspmx.l.google.com(10)
MXalt4.aspmx.l.google.com(10)
TXTl250xydbqm6y7tm0k0jlrfh97lsx445b
TXTapple-domain-verification=nybDPx44KhOIvrLr
TXT District computers follow
TXTautodesk-domain-verification=WprAtQ9XHCxkhtJx-k2t
TXTMS=ms70457680
TXTv=spf1 ip4:199.190.222.0/23 ip4:216.226.126.0/23 ip4:3.227.196.174/32 ip4:52....
TXT Server records follow
TXTadobe-idp-site-verification=a62cfbcb6eac490a24e61031c75757b695df5ead36303c924...
TXT Router devices follow
TXT Mail records follow
SOAforty.monroe.edujohnp0@monroe.edu 2026-04-03 #10
WOT: SAFE (61/100)
WOT: SAFE (64/100)

Subdomains

Same first word

Similar names

DNS History

9 records (8 active, 1 former)

20162017201820192020202120222023202420252026NSdc1.instruct.rhnet.orgdc2.instruct.rhnet.orgdc3.instruct.rhnet.orgforty.monroe.eduns2.monroe.eduMXrh-receiver-1.monroe.eduA10.12.13.2810.12.13.3010.12.13.31
●NSdc1.instruct.rhnet.org2015-06-08 β†’ 2026-04-03 Β· 2 obs
● 2015-06-08 07:24:30
● 2026-04-03 06:40:18
●NSdc2.instruct.rhnet.org2015-06-08 β†’ 2026-04-03 Β· 2 obs
● 2015-06-08 07:24:30
● 2026-04-03 06:40:18
●NSdc3.instruct.rhnet.org2015-06-08 β†’ 2026-04-03 Β· 2 obs
● 2015-06-08 07:24:30
● 2026-04-03 06:40:18
●NSforty.monroe.edu2015-06-08 β†’ 2026-04-03 Β· 2 obs
● 2015-06-08 07:24:30
● 2026-04-03 06:40:18
●NSns2.monroe.edu2015-06-08 β†’ 2026-04-03 Β· 2 obs
● 2015-06-08 07:24:30
● 2026-04-03 06:40:18
β—‹MXrh-receiver-1.monroe.edu2015-06-08 β†’ 2017-07-27 Β· 4 obs
● 2015-06-08 07:24:30
● 2017-07-27 08:04:48
β—‹ 2026-02-22 05:29:06
β—‹ 2026-04-03 06:40:18
●A10.12.13.282015-06-08 β†’ 2026-04-03 Β· 2 obs
● 2015-06-08 07:24:30
● 2026-04-03 06:40:18
●A10.12.13.302015-06-08 β†’ 2026-04-03 Β· 2 obs
● 2015-06-08 07:24:30
● 2026-04-03 06:40:18
●A10.12.13.312015-06-08 β†’ 2026-04-03 Β· 2 obs
● 2015-06-08 07:24:30
● 2026-04-03 06:40:18

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org-
rhnet.orgforty.monroe.edu, ns2.monroe.edu-

βœ… Authoritative Response

Server:199.190.222.66

NS records: forty.monroe.edu, ns2.monroe.edu

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rhnet.org (unsigned zone)

⏱️ Timing

Total: 311ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A310.12.13.28, 10.12.13.31...
NS5dc2.instruct.rhnet.org, dc1.instruct.rhnet.org...
SOA1dc1.instruct.rhnet.org hostmaster

Analysis

Hierarchy

instruct.rhnet.org has children dc2.instruct.rhnet.org, dc3.instruct.rhnet.org and dc1.instruct.rhnet.org.

IP Addresses

instruct.rhnet.org resolves to three IP numbers: 10.12.13.28, 10.12.13.30 and 10.12.13.31.

Other host names including dc3.instruct.rhnet.org, dc1.instruct.rhnet.org and dc2.instruct.rhnet.org share IP numbers with instruct.rhnet.org.

Name Servers

instruct.rhnet.org delegates to five name servers: forty.monroe.edu, ns2.monroe.edu, dc1.instruct.rhnet.org, dc2.instruct.rhnet.org and dc3.instruct.rhnet.org.

instruct.rhnet.org shares some name servers with other domains, for example 126.226.216.in-addr.arpa, tupperlakecsd.net, wheatland.k12.ny.us, 122.226.216.in-addr.arpa and menands.org.

These name servers are commonly used with dns2.neric.org, dns3.neric.org, mum.neric.org, ns1-auth.sprintlink.net and ns1.monroe.edu.

Host names with one IP number:

- forty.monroe.edu points to: 199.190.222.66

- ns2.monroe.edu points to: 199.190.222.115

- dc1.instruct.rhnet.org points to: 10.12.13.30

- dc2.instruct.rhnet.org points to: 10.12.13.28

- dc3.instruct.rhnet.org points to: 10.12.13.31