iu12.org - robtex.com

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iu12.org

DNSSEC⚠️ Not signed
A104.17.71.73 Cloudflare
PTRip-104-17-71-73.defastlink.net
NSns11.constellix.com ⭐
A2600:180a:1001::1🇺🇸 Tiggee
PTRns11.constellix.com
A96.45.80.1🇺🇸 Tiggee
PTRns11.constellix.com
NSns21.constellix.com
A2600:180b:2001::1🇺🇸 Tiggee
PTRns21.constellix.com
A46.31.236.1🇺🇸 Tiggee
PTRns21.constellix.com
NSns31.constellix.com
A2600:180c:3001::1🇺🇸 Tiggee
PTRns31.constellix.com
A43.247.170.1🇯🇵 Tiggee
PTRns31.constellix.com
NSns41.constellix.net
A2600:180a:4001::1🇺🇸 Tiggee
PTRns41.constellix.net
A96.45.81.1🇺🇸 Tiggee
PTRns41.constellix.net
NSns51.constellix.net
A2600:180b:5001::1🇺🇸 Tiggee
PTRns51.constellix.net
A46.31.237.1🇺🇸 Tiggee
PTRns51.constellix.net
NSns61.constellix.net
A2600:180c:6001::1🇺🇸 Tiggee
PTRns61.constellix.net
A43.247.171.1🇯🇵 Tiggee
PTRns61.constellix.net
MXd132115a.ess.barracudanetworks.com ⭐
A209.222.82.252🇺🇸 Amazon
PTRmail.ess.barracuda.com
A209.222.82.253🇺🇸 Amazon
PTRmail.ess.barracuda.com
A209.222.82.255🇺🇸 Amazon
PTRmail.ess.barracuda.com
MXd132115b.ess.barracudanetworks.com(20)
A209.222.82.252🇺🇸 Amazon
PTRmail.ess.barracuda.com
A209.222.82.253🇺🇸 Amazon
PTRmail.ess.barracuda.com
A209.222.82.255🇺🇸 Amazon
PTRmail.ess.barracuda.com
TXTgoogle-site-verification=2cZBNlBdgm5nE4LvRL7fBFvndpw_fTFtcBn-6efkUZU
TXTv=spf1 ip4:208.67.140.35/32 ip4:208.67.140.28/32 ip4:204.14.15.26/32 ip4:208....
TXTwZZYKpQxKXJf9yTCxJ14cm5oa6GbEN3Ub5PnZ06EKONyfs7cITAOzabxAJEsKbAzc9Nx2Z/N/cumw...
TXT3P4-5TR-KW6
TXTMS=83EAB134EBBCCE255DEA6263C4D40720AF830B14
TXTapple-domain-verification=14GnFIWVE2jJ5XdH
TXTduo_sso_verification=T6kyzG8EKpLXw7MUA4dI96xa9YhosaWwfVRfEM0XzWDV2gT776ZIy4U1...
TXTteamviewer-sso-verification=8a44da4ba4a841beb98db77ed07a3cb8
TXTgoogle-gws-recovery-domain-verification=52063131
SOAns11.constellix.comdns@constellix.com 2015-01-02 #33

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️
NSa2.org.afilias-nst.info⚠️
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info⚠️
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1770954363

Up

mail.iu12.org
barracuda01.iu12.org

Same first word

iu12.org

Similar names

12iu.com

DNS History

17 records (9 active, 8 former)

20162017201820192020202120222023202420252026NSns11.constellix.comns21.constellix.comns31.constellix.comns41.constellix.netns51.constellix.netns61.constellix.netns1.comcastbusiness.netns2.comcastbusiness.netns3.comcastbusiness.netns4.comcastbusiness.netns5.comcastbusiness.netMXd132115a.ess.barracudanetworks.comd132115b.ess.barracudanetworks.combarracuda01.iu12.orgA104.17.71.73208.67.140.8852.206.191.232
○NSns1.comcastbusiness.net2015-08-23 → 2019-01-23 · 3 obs
● 2015-08-23 04:34:44
● 2019-01-23 15:43:10
○ 2026-02-15 16:45:24
●NSns11.constellix.com2026-02-15 → 2026-02-15 · 2 obs
○ 2019-01-23 15:43:10
● 2026-02-15 16:45:24
○NSns2.comcastbusiness.net2015-08-23 → 2019-01-23 · 3 obs
● 2015-08-23 04:34:44
● 2019-01-23 15:43:10
○ 2026-02-15 16:45:24
●NSns21.constellix.com2026-02-15 → 2026-02-15 · 2 obs
○ 2019-01-23 15:43:10
● 2026-02-15 16:45:24
○NSns3.comcastbusiness.net2015-08-23 → 2019-01-23 · 3 obs
● 2015-08-23 04:34:44
● 2019-01-23 15:43:10
○ 2026-02-15 16:45:24
●NSns31.constellix.com2026-02-15 → 2026-02-15 · 2 obs
○ 2019-01-23 15:43:10
● 2026-02-15 16:45:24
○NSns4.comcastbusiness.net2015-08-23 → 2019-01-23 · 3 obs
● 2015-08-23 04:34:44
● 2019-01-23 15:43:10
○ 2026-02-15 16:45:24
●NSns41.constellix.net2026-02-15 → 2026-02-15 · 2 obs
○ 2019-01-23 15:43:10
● 2026-02-15 16:45:24
○NSns5.comcastbusiness.net2015-08-23 → 2019-01-23 · 3 obs
● 2015-08-23 04:34:44
● 2019-01-23 15:43:10
○ 2026-02-15 16:45:24
●NSns51.constellix.net2026-02-15 → 2026-02-15 · 2 obs
○ 2019-01-23 15:43:10
● 2026-02-15 16:45:24
●NSns61.constellix.net2026-02-15 → 2026-02-15 · 2 obs
○ 2019-01-23 15:43:10
● 2026-02-15 16:45:24
○MXbarracuda01.iu12.org2015-08-23 → 2017-09-24 · 4 obs
● 2015-08-23 04:34:44
● 2017-09-24 02:59:26
○ 2017-09-27 22:32:20
○ 2026-02-15 16:45:24
●MXd132115a.ess.barracudanetworks.com2017-09-27 → 2026-02-15 · 3 obs
○ 2017-09-24 02:59:26
● 2017-09-27 22:32:20
● 2026-02-15 16:45:24
●MXd132115b.ess.barracudanetworks.com2017-09-27 → 2026-02-15 · 3 obs
○ 2017-09-24 02:59:26
● 2017-09-27 22:32:20
● 2026-02-15 16:45:24
●A104.17.71.732026-02-15 → 2026-02-15 · 2 obs
○ 2019-01-23 15:43:10
● 2026-02-15 16:45:24
○A208.67.140.882015-08-23 → 2018-03-10 · 4 obs
● 2015-08-23 04:34:44
● 2018-03-10 00:18:34
○ 2019-01-23 15:43:10
○ 2026-02-15 16:45:24
○A52.206.191.2322019-01-23 → 2019-01-23 · 3 obs
○ 2018-03-10 00:18:34
● 2019-01-23 15:43:10
○ 2026-02-15 16:45:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
iu12.orgns61.constellix.net, ns31.constellix.com, ns51.constellix.net, ns11.constellix.com...-

✅ Authoritative Response

Server: 43.247.170.1

NS records: ns61.constellix.net, ns31.constellix.com, ns51.constellix.net, ns11.constellix.com, ns41.constellix.net, ns21.constellix.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for iu12.org (unsigned zone)

⏱️ Timing

Total: 268ms | Queries: -

📄 Records

TypeCountSample Data
A1104.17.71.73
NS6ns31.constellix.com, ns41.constellix.net...
MX2d132115a.ess.barracudanetworks.com (pri:, d132115b.ess.barracudanetworks.com (pri:
TXT9google-site-verification=2cZBNlBdgm5nE4L, v=spf1 ip4:208.67.140.35/32 ip4:208.67.1...
SOA1ns11.constellix.com dns.constellix.com

AI analysis

iu12.org is parent of mail.iu12.org and barracuda01.iu12.org.

iu12.org points to a single IP: 104.17.71.73.

Other host names, for instance web.upsd.org, emsproxy.woboe.org, kinnelonpublicschools.org, dnusd.org and isd199.org share IP numbers with iu12.org.

iu12.org is delegated to six name servers: ns11.constellix.com, ns21.constellix.com, ns31.constellix.com, ns41.constellix.net, ns51.constellix.net and ns61.constellix.net.

iu12.org at least partially shares its name servers with other domains, for instance lustgrandmas.com, 470dip2.com, anvil.com, sepscience.com and schischek.at.

Hostnames with two IP numbers:

ns11.constellix.com points to 2600:180a:1001::1 and 96.45.80.1

ns21.constellix.com points to 2600:180b:2001::1 and 46.31.236.1

ns31.constellix.com points to 2600:180c:3001::1 and 43.247.170.1

ns41.constellix.net points to 2600:180a:4001::1 and 96.45.81.1

ns51.constellix.net points to 2600:180b:5001::1 and 46.31.237.1

ns61.constellix.net points to 2600:180c:6001::1 and 43.247.171.1

Two mail servers d132115a.ess.barracudanetworks.com and d132115b.ess.barracudanetworks.com handle iu12.org.

Host names with three IP numbers

Host d132115a.ess.barracudanetworks.com points to 209.222.82.252, 209.222.82.253 and 209.222.82.255

Host d132115b.ess.barracudanetworks.com points to 209.222.82.252, 209.222.82.253 and 209.222.82.255

Host names that point to 209.222.82.252: d132115a.ess.barracudanetworks.com and d132115b.ess.barracudanetworks.com

Host names that point to 209.222.82.253: d132115a.ess.barracudanetworks.com and d132115b.ess.barracudanetworks.com

Host names that point to 209.222.82.255: d132115a.ess.barracudanetworks.com and d132115b.ess.barracudanetworks.com