math.siu.edu - robtex.com

math.siu.edu

DNSSEC⚠️ Not signed
A131.230.21.130🇺🇸 AS15119131.230.0.0/16
PTRplesk-sites1.web.siu.edu
MXmath-siu-edu.mail.protection.outlook.com ⭐
A52.101.10.2🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-bn8pr03cu00202.inbound.protection.outlook.com
A52.101.41.21🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sj2pr05cu00305.inbound.protection.outlook.com
A52.101.41.28🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sj0pr03cu01504.inbound.protection.outlook.com
A52.101.41.54🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sj2pr05cu00506.inbound.protection.outlook.com
TXTv=spf1 a mx ip4:131.230.0.0/16 include:spf.protection.outlook.com include:sen...

siu.edu

DNSSEC⚠️ Not signed
A131.230.21.130🇺🇸 AS15119131.230.0.0/16
NSns1.siu.edu ⭐
NSns3.siu.edu
NSns4.siu.edu
NSns5.siu.edu
MXsiu-edu.mail.protection.outlook.com ⭐
TXTHoxTnhzvBYZ82oYiTjotA/8BUKC/NJEHjQL5Yvtwo15uaVyH+vsDHa5xmjKxnwtDtJloUn2AHIlLs...
TXTMS=ms20230666
TXTv=spf1 a mx ip4:131.230.0.0/16 include:spf.protection.outlook.com include:sen...
TXTapple-domain-verification=UWcwBIUNhBK-htVraea_MSmuyduELwRhhWx2MFJw2OE
TXTe2ma-verification=19bbb
TXTe2ma-verification=702eb
TXTapple-domain-verification=wLe0m12b2Z4EunYa
TXTadobe-idp-site-verification=8e699fe7391a61d469bd007a3295c397905fb566b98db27d3...
SOAns1.siu.edunetwork-engineering@siu.edu 2026-03-27 #3
WOT: SAFE (85/100)
rank #7178 globally
rank #234 in the tld
WOT: SAFE (85/100)
📈 Tranco rank: #16,718

Subdomains

cartan.math.siu.edu
www.math.siu.edu
chanoir.math.siu.edu
sfde.math.siu.edu
ws109078.math.siu.edu
lambert.math.siu.edu
galileo.math.siu.edu
lagrange.math.siu.edu
ws109110.math.siu.edu
ws109019.math.siu.edu

Same first word

math.ma
math.run
math.im
math.bet
math.business
math.art
math.ir
math.bio
math.group
math.academy
math.world
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math.pro
math.wtf
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Similar names

tahm.com
htma.net
amth.de
athm.cn
ahtm.com
htma.cn
ahmt.cl
tham.com.au
maht.com
hatm.ru
htam.org
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mhat.cn
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hmat.ru
hamt.dk
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tham.de
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tmha.net
tham.cl
ahmt.ru
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maht.org
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athm.com
thma.no
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tamh.org
hamt.org
amht.org.uk
tham.co.th
tmha.cn
hamt.de
tmah.com
mhat.net
ahmt.me
amht.ru
amth.com
hamt.ru
mhta.de
htam.com.tw
tahm.org
hmat.org
hmat.cn
thma.org.tw
athm.co
mhat.tv
mhta.co.uk
mtha.co.zw
htma.co.uk
htma.hu

DNS History

12 records (2 active, 10 former)

20162017201820192020202120222023202420252026NSaux.science.siu.eduns1.siu.eduns3.siu.eduns4.siu.eduns5.siu.eduMXmath-siu-edu.mail.protection.outlook.comcos-siu-edu.mail.protection.outlook.commx0a-00276001.pphosted.commx0b-00276001.pphosted.comA131.230.21.130131.230.21.36131.230.92.21
○NSaux.science.siu.edu2015-09-01 → 2017-07-29 · 4 obs
● 2015-09-01 05:32:16
● 2017-07-29 13:32:54
○ 2026-03-05 17:06:52
○ 2026-03-28 09:20:50
○NSns1.siu.edu2015-09-01 → 2017-07-29 · 4 obs
● 2015-09-01 05:32:16
● 2017-07-29 13:32:54
○ 2026-03-05 17:06:52
○ 2026-03-28 09:20:50
○NSns3.siu.edu2015-09-01 → 2017-07-29 · 4 obs
● 2015-09-01 05:32:16
● 2017-07-29 13:32:54
○ 2026-03-05 17:06:52
○ 2026-03-28 09:20:50
○NSns4.siu.edu2015-09-01 → 2017-07-29 · 4 obs
● 2015-09-01 05:32:16
● 2017-07-29 13:32:54
○ 2026-03-05 17:06:52
○ 2026-03-28 09:20:50
○NSns5.siu.edu2016-11-14 → 2017-07-29 · 5 obs
○ 2015-09-01 05:32:16
● 2016-11-14 08:10:06
● 2017-07-29 13:32:54
○ 2026-03-05 17:06:52
○ 2026-03-28 09:20:50
○MXcos-siu-edu.mail.protection.outlook.com2017-07-29 → 2017-07-29 · 4 obs
○ 2017-01-03 06:05:24
● 2017-07-29 13:32:54
○ 2026-03-05 17:06:52
○ 2026-03-28 09:20:50
●MXmath-siu-edu.mail.protection.outlook.com2015-09-01 → 2026-03-28 · 5 obs
● 2015-09-01 05:32:16
● 2017-01-03 06:05:24
○ 2017-07-29 13:32:54
● 2026-03-05 17:06:52
● 2026-03-28 09:20:50
○MXmx0a-00276001.pphosted.com2017-07-29 → 2017-07-29 · 4 obs
○ 2017-01-03 06:05:24
● 2017-07-29 13:32:54
○ 2026-03-05 17:06:52
○ 2026-03-28 09:20:50
○MXmx0b-00276001.pphosted.com2017-07-29 → 2017-07-29 · 4 obs
○ 2017-01-03 06:05:24
● 2017-07-29 13:32:54
○ 2026-03-05 17:06:52
○ 2026-03-28 09:20:50
●A131.230.21.1302026-03-05 → 2026-03-28 · 3 obs
○ 2017-07-29 13:32:54
● 2026-03-05 17:06:52
● 2026-03-28 09:20:50
○A131.230.21.362016-11-14 → 2017-07-29 · 5 obs
○ 2016-10-14 14:53:30
● 2016-11-14 08:10:06
● 2017-07-29 13:32:54
○ 2026-03-05 17:06:52
○ 2026-03-28 09:20:50
○A131.230.92.212015-09-01 → 2016-10-14 · 4 obs
● 2015-09-01 05:32:16
● 2016-10-14 14:53:30
○ 2016-11-14 08:10:06
○ 2026-03-28 09:20:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
edue.edu-servers.net, b.edu-servers.net, i.edu-servers.net, f.edu-servers.net...-
siu.eduns1.siu.edu, ns4.siu.edu, ns3.siu.edu, ns5.siu.edu4 records

✅ Authoritative Response

Server:13.91.40.67

NS records: ns1.siu.edu, ns4.siu.edu, ns3.siu.edu, ns5.siu.edu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for siu.edu (unsigned zone)

⏱️ Timing

Total: 253ms | Queries: -

📄 Records

TypeCountSample Data
A1131.230.21.130
MX1math-siu-edu.mail.protection.outlook.com
TXT1v=spf1 a mx ip4:131.230.0.0/16 include:s

📌 Glue Records Collected

Total: 4

In-bailiwick: 4 (ns1.siu.edu, ns4.siu.edu, ns3.siu.edu...)

Analysis

Hierarchy

math.siu.edu is the parent of cartan.math.siu.edu, www.math.siu.edu, chanoir.math.siu.edu, sfde.math.siu.edu, ws109078.math.siu.edu and a few other host names.

IP Addresses

math.siu.edu resolves to one IP number: 131.230.21.130.

other host names including musicaltheater.siuc.edu, www.science.siu.edu, theater.siu.edu, brakes.siu.edu and logo.siu.edu share IP numbers with math.siu.edu.

Mail Servers

math.siu.edu is handled by a single mail server, math-siu-edu.mail.protection.outlook.com.

The host name math-siu-edu.mail.protection.outlook.com resolves to four IP numbers: 52.101.10.2, 52.101.41.21, 52.101.41.28 and 52.101.41.54.