iu13.org - robtex.com

iu13.org

DNSSEC⚠️ Not signed
A2606:4700:7::a29f:862a🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A2606:4700:7::a29f:872a🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A162.159.134.42Cloudflare162.159.128.0/19 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A162.159.135.42Cloudflare162.159.128.0/19 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NScloudflare-dns.iu13.org ⭐
A2400:cb00:2049:1::a29f:ab2🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.10.178Cloudflare162.159.10.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NScloudflare-dns.iu13.com
A2400:cb00:2049:1::a29f:bac🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.11.172Cloudflare162.159.11.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NScloudflare-dns.iu13.net
A2400:cb00:2049:1::c629:de98🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A198.41.222.152Cloudflare198.41.222.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcf-198-41-222-152.cloudflare.com
NScloudflare-dns.iu13.us
A2400:cb00:2049:1::a29f:9be🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.9.190Cloudflare162.159.9.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
MXiu13-org.mail.protection.outlook.com ⭐
A2a01:111:f403:c903::3🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-mw2pr02cu00503.inbound.protection.outlook.com
A2a01:111:f403:c91d::🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-mw2pr04cu00100.inbound.protection.outlook.com
A2a01:111:f403:f90d::1🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-sn1pr0501cu00301.inbound.protection.outlook.com
A2a01:111:f403:f913::1🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-cy5pr05cu00101.inbound.protection.outlook.com
A52.101.40.2🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-cy1pr05cu00402.inbound.protection.outlook.com
A52.101.41.21🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sj2pr05cu00305.inbound.protection.outlook.com
A52.101.41.183🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-byapr04cu00307.inbound.protection.outlook.com
A52.101.50.7🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-co1pr21cu00207.inbound.protection.outlook.com
TXT_2th442pknd990ssllao3jyuo385607x
TXTbw=Mr6hq7zR2c1JV4QoI3bpAhyfpAS4g6WqVr9ZpeXwbZFg
TXTtwilio-domain-verification=db665f3766353f0801e67aa37f30f1f6
TXTv=spf1 ip4:206.82.16.65 ip4:206.82.16.66 include:spf.protection.outlook.com i...
SOAcloudflare-dns.iu13.orgdns@cloudflare.com serial=2397745794

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=1773551953
rank #754156 globally
rank #58226 in the tld
WOT: SAFE (60/100)
📈 Tranco rank: #253,333

Subdomains

ns2.iu13.org
delorean.iu13.org
ns1.iu13.org
cloudflare-dns.iu13.org
cpvpn.iu13.org
softwaresales.iu13.org
powerschool.iu13.org
myiu.iu13.org
support.iu13.org
foundation.iu13.org
gremlin.iu13.org
tock.iu13.org
tick.iu13.org
info.iu13.org
redirects.iu13.org

Same first word

iu13.org
iu13.net
iu13.us
iu13.com

Similar names

ui31.com
31ui.com
ui13.com
13ui.com

DNS History

16 records (9 active, 7 former)

20162017201820192020202120222023202420252026NScloudflare-dns.iu13.comcloudflare-dns.iu13.netcloudflare-dns.iu13.orgcloudflare-dns.iu13.usdns.iu13.netns1.iu13.orgns2.iu13.orgMXiu13-org.mail.protection.outlook.comd21723a.ess.barracudanetworks.comd21723b.ess.barracudanetworks.comgremlin.iu13.orgA162.159.134.42162.159.135.422606:4700:7::a29f:862a2606:4700:7::a29f:872a192.240.181.161
●NScloudflare-dns.iu13.com2026-02-15 → 2026-03-16 · 3 obs
○ 2017-10-04 17:41:30
● 2026-02-15 12:17:42
● 2026-03-16 10:21:56
●NScloudflare-dns.iu13.net2026-02-15 → 2026-03-16 · 3 obs
○ 2017-10-04 17:41:30
● 2026-02-15 12:17:42
● 2026-03-16 10:21:56
●NScloudflare-dns.iu13.org2026-02-15 → 2026-03-16 · 3 obs
○ 2017-10-04 17:41:30
● 2026-02-15 12:17:42
● 2026-03-16 10:21:56
●NScloudflare-dns.iu13.us2026-02-15 → 2026-03-16 · 3 obs
○ 2017-10-04 17:41:30
● 2026-02-15 12:17:42
● 2026-03-16 10:21:56
○NSdns.iu13.net2016-11-17 → 2017-10-04 · 5 obs
○ 2016-10-19 20:34:36
● 2016-11-17 20:27:48
● 2017-10-04 17:41:30
○ 2026-02-15 12:17:42
○ 2026-03-16 10:21:56
○NSns1.iu13.org2015-08-14 → 2017-10-04 · 6 obs
● 2015-08-14 02:57:06
● 2016-10-19 20:34:36
○ 2016-11-17 20:27:48
● 2017-10-04 17:41:30
○ 2026-02-15 12:17:42
○ 2026-03-16 10:21:56
○NSns2.iu13.org2015-08-14 → 2017-10-04 · 4 obs
● 2015-08-14 02:57:06
● 2017-10-04 17:41:30
○ 2026-02-15 12:17:42
○ 2026-03-16 10:21:56
○MXd21723a.ess.barracudanetworks.com2015-08-14 → 2017-10-04 · 4 obs
● 2015-08-14 02:57:06
● 2017-10-04 17:41:30
○ 2026-02-15 12:17:42
○ 2026-03-16 10:21:56
○MXd21723b.ess.barracudanetworks.com2015-08-14 → 2017-10-04 · 4 obs
● 2015-08-14 02:57:06
● 2017-10-04 17:41:30
○ 2026-02-15 12:17:42
○ 2026-03-16 10:21:56
○MXgremlin.iu13.org2015-08-14 → 2017-01-26 · 4 obs
● 2015-08-14 02:57:06
● 2017-01-26 20:36:58
○ 2017-05-16 03:15:18
○ 2026-03-16 10:21:56
●MXiu13-org.mail.protection.outlook.com2026-02-15 → 2026-03-16 · 3 obs
○ 2017-10-04 17:41:30
● 2026-02-15 12:17:42
● 2026-03-16 10:21:56
●A162.159.134.422026-02-15 → 2026-03-16 · 3 obs
○ 2017-10-04 17:41:30
● 2026-02-15 12:17:42
● 2026-03-16 10:21:56
●A162.159.135.422026-02-15 → 2026-03-16 · 3 obs
○ 2017-10-04 17:41:30
● 2026-02-15 12:17:42
● 2026-03-16 10:21:56
○A192.240.181.1612015-08-14 → 2017-10-04 · 4 obs
● 2015-08-14 02:57:06
● 2017-10-04 17:41:30
○ 2026-02-15 12:17:42
○ 2026-03-16 10:21:56
●A2606:4700:7::a29f:862a2026-02-15 → 2026-03-16 · 3 obs
○ 2017-10-04 17:41:30
● 2026-02-15 12:17:42
● 2026-03-16 10:21:56
●A2606:4700:7::a29f:872a2026-02-15 → 2026-03-16 · 3 obs
○ 2017-10-04 17:41:30
● 2026-02-15 12:17:42
● 2026-03-16 10:21:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, b0.org.afilias-nst.org, d0.org.afilias-nst.org-
iu13.orgcloudflare-dns.iu13.us, cloudflare-dns.iu13.org, cloudflare-dns.iu13.net, cloudflare-dns.iu13.com2 records

✅ Authoritative Response

Server: 162.159.11.172

NS records: cloudflare-dns.iu13.us, cloudflare-dns.iu13.org, cloudflare-dns.iu13.net, cloudflare-dns.iu13.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for iu13.org (unsigned zone)

⏱️ Timing

Total: 844ms | Queries: -

📄 Records

TypeCountSample Data
A2162.159.135.42, 162.159.134.42
AAAA22606:4700:7::a29f:862a, 2606:4700:7::a29f:872a
NS4cloudflare-dns.iu13.com, cloudflare-dns.iu13.net...
MX1iu13-org.mail.protection.outlook.com (pr
TXT4_2th442pknd990ssllao3jyuo385607x, bw=Mr6hq7zR2c1JV4QoI3bpAhyfpAS4g6WqVr9Zp...
SOA1cloudflare-dns.iu13.org dns.cloudflare.c

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (cloudflare-dns.iu13.org, cloudflare-dns.iu13.org)

Analysis

Hierarchy

iu13.org is a parent of ns2.iu13.org, delorean.iu13.org, ns1.iu13.org, cloudflare-dns.iu13.org, cpvpn.iu13.org and several other host names.

IP Addresses

iu13.org resolves to four IP numbers: 2606:4700:7::a29f:862a, 2606:4700:7::a29f:872a, 162.159.134.42 and 162.159.135.42.

other host names for instance bingaragorge.com.au, pccompass.com, excavatorfinance.com, teaset.co.uk and ehrnet.com share IP numbers with iu13.org.

Name Servers

iu13.org is delegated to four name servers: cloudflare-dns.iu13.com, cloudflare-dns.iu13.net, cloudflare-dns.iu13.org and cloudflare-dns.iu13.us.

iu13.org at least partially shares name servers with other domains, for instance 243.199.67.in-addr.arpa, rtmsd.com, pequeavalley.org, hempfieldsd.org and acschools.org.

Host names with two IP numbers:

Host name cloudflare-dns.iu13.com points to: 2400:cb00:2049:1::a29f:bac and 162.159.11.172.

Host name cloudflare-dns.iu13.net points to: 2400:cb00:2049:1::c629:de98 and 198.41.222.152.

Host name cloudflare-dns.iu13.org points to: 2400:cb00:2049:1::a29f:ab2 and 162.159.10.178.

Host name cloudflare-dns.iu13.us points to: 2400:cb00:2049:1::a29f:9be and 162.159.9.190.

Mail Servers

iu13.org is handled by a single mail server, iu13-org.mail.protection.outlook.com.

iu13.org shares the same mail server setup as other domains, for example iu13.net.

Host name iu13-org.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c903::3, 2a01:111:f403:c91d::, 2a01:111:f403:f90d::1, 2a01:111:f403:f913::1, 52.101.40.2, 52.101.41.21, 52.101.41.183 and 52.101.50.7.