math.ohio-state.edu - robtex.com

math.ohio-state.edu

DNSSEC⚠️ Not signed
A164.107.176.6🇺🇸 OSU-AS159164.107.0.0/16 164.107.0.0/16
NSns5.net.ohio-state.edu ⭐ ⚠️ Not in parent delegation
A2620:0:1a10:40a8::15🇺🇸 OSU-AS1592620:0:1a10::/48 2620:0:1a10::/48
A128.146.1.15🇺🇸 OSU-AS159128.146.0.0/16 128.146.0.0/16
PTRns5.net.ohio-state.edu
NSns4.net.ohio-state.edu ⚠️ Not in parent delegation
A2620:0:1a10:40a9::15🇺🇸 OSU-AS1592620:0:1a10::/48 2620:0:1a10::/48
A128.146.48.15🇺🇸 OSU-AS159128.146.0.0/16 128.146.0.0/16
NSns4.oar.net ⚠️ Not in parent delegation
A2610:a8:2004::2🇺🇸 OARNET-12610:a8::/32 2610:A8::/32
PTRns4.oar.net
PTRclevb-ns4.eng.oar.net
A199.18.199.2🇺🇸 OARNET-1199.18.0.0/16 OARnet
PTRns4.oar.net
NSns5.oar.net ⚠️ Not in parent delegation
A2610:a8:2005::2🇺🇸 OARNET-12610:a8::/32 2610:A8::/32
PTRns5.oar.net
PTRdytnq-ns5.eng.oar.net
A199.218.199.2🇺🇸 OARNET-1199.218.0.0/16 OARnet
PTRns5.oar.net
NSns6.oar.net ⚠️ Not in parent delegation
A2610:a8:2006::2🇺🇸 OARNET-12610:a8::/32 2610:A8::/32
PTRns6.oar.net
PTRclmbn-ns6.eng.oar.net
A157.134.199.2🇺🇸 OARNET-1157.134.0.0/16 OARnet
PTRns6.oar.net
NSns7.oar.net ⚠️ Not in parent delegation
A2610:a8:2007::2🇺🇸 OARNET-12610:a8::/32 2610:A8::/32
PTRns7.oar.net
PTRclmbn-ns7.eng.oar.net
A206.244.199.2🇺🇸 OARNET-1206.244.0.0/16 OARnet 206.244.0.0/16
PTRns7.oar.net
MXmxa-002cfd01.gslb.pphosted.com ⭐
A148.163.151.149🇺🇸 Proofpoint148.163.148.0/22
PTRmx0a-002cfd01.pphosted.com
MXmxb-002cfd01.gslb.pphosted.com ⭐
A148.163.155.97🇺🇸 Proofpoint148.163.152.0/22
PTRmx0b-002cfd01.pphosted.com
TXTX7GP1otArRiLtKhOGt7I/fkdPUYpPMGkJA0JhmiCa7ilFDtFiqZXxCaTLE3+HintBepfytWIjDvVw...
TXTEtZtegyxVsgTWUP+CUSwosN3wpmmzq+C0Kw9fuKEMWL8FggXUk6QNSENakElAPXtzpJBCd/wPaiDr...
TXTv=spf1 ip4:140.254.92.25 include:osu.edu ~all
TXTwdko2zGXtyp6typS+PxREY9nl3ydS/NGkoTSO68hV2jVf0ETRpkVB+p16U6MWTR4sbIQmHkYTBZmL...
SOAns5.net.ohio-state.eduhostmaster@osu.edu serial=690871646

ohio-state.edu

DNSSEC⚠️ Not signed
NSns5.net.ohio-state.edu ⭐
NSns4.net.ohio-state.edu
NSns4.oar.net ⚠️ Not in parent delegation
NSns5.oar.net ⚠️ Not in parent delegation
NSns6.oar.net ⚠️ Not in parent delegation
NSns7.oar.net ⚠️ Not in parent delegation
MXmxa-002cfd01.gslb.pphosted.com ⭐
MXmxb-002cfd01.gslb.pphosted.com ⭐
TXTv=spf1 include:osu.edu -all
TXTMS=ms49767532
TXTms=ms68436720
TXTiOS-enroll=https://cio-ldmscsa-prd.it.ohio-state.edu/rtc/cio-ldms10-prd/MDM/a...
TXTandroid-enroll=https://cio-ldmscsa-prd.it.ohio-state.edu/rtc/cio-ldms10-prd/M...
TXTv=msv1 t=A89FDA91-83F4-4248-8B72-7A8D72482707
TXTgoogle-site-verification=51XJuzzcj60BR0dF5-oJQn975s8CpB0Bkp7hI1g5zXI
SOAns5.net.ohio-state.eduhostmaster@osu.edu serial=690872205
WOT: SAFE (89/100)
rank #2845 globally
rank #125 in the tld
WOT: SAFE (89/100)
📈 Tranco rank: #7,901

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DNS History

21 records (9 active, 12 former)

2008201020122014201620182020202220242026NSns4.net.ohio-state.eduns4.oar.netns5.net.ohio-state.eduns5.oar.netns6.oar.netns7.oar.netns0.net.ohio-state.eduns1.math.ohio-state.eduns1.math.osu.eduns1.net.ohio-state.eduns2.net.ohio-state.eduphyas1.mps.ohio-state.eduphyas2.mps.ohio-state.eduphyws1.asc.ohio-state.eduMXmxa-002cfd01.gslb.pphosted.commxb-002cfd01.gslb.pphosted.commail.math.ohio-state.edumath-ohiostate-edu02c.mail.protection.outlook.comA164.107.176.6140.254.92.30164.107.177.10
○NSns0.net.ohio-state.edu2016-04-10 → 2016-10-17 · 5 obs
○ 2016-01-20 12:00:36
● 2016-04-10 19:25:34
● 2016-10-17 23:36:18
○ 2026-02-15 06:59:12
○ 2026-04-24 02:48:48
○NSns1.math.ohio-state.edu2007-12-02 → 2007-12-02 · 3 obs
● 2007-12-02 05:38:34
○ 2015-07-01 13:54:44
○ 2026-04-24 02:48:48
○NSns1.math.osu.edu2015-07-01 → 2016-01-20 · 5 obs
○ 2007-12-02 05:38:34
● 2015-07-01 13:54:44
● 2016-01-20 12:00:36
○ 2016-04-10 19:25:34
○ 2026-04-24 02:48:48
○NSns1.net.ohio-state.edu2007-12-02 → 2007-12-02 · 3 obs
● 2007-12-02 05:38:34
○ 2015-07-01 13:54:44
○ 2026-04-24 02:48:48
○NSns2.net.ohio-state.edu2007-12-02 → 2007-12-02 · 3 obs
● 2007-12-02 05:38:34
○ 2015-07-01 13:54:44
○ 2026-04-24 02:48:48
●NSns4.net.ohio-state.edu2016-04-10 → 2026-04-24 · 3 obs
○ 2016-01-20 12:00:36
● 2016-04-10 19:25:34
● 2026-04-24 02:48:48
●NSns4.oar.net2016-10-17 → 2026-04-24 · 3 obs
○ 2016-04-10 19:25:34
● 2016-10-17 23:36:18
● 2026-04-24 02:48:48
●NSns5.net.ohio-state.edu2016-04-10 → 2026-04-24 · 3 obs
○ 2016-01-20 12:00:36
● 2016-04-10 19:25:34
● 2026-04-24 02:48:48
●NSns5.oar.net2016-10-17 → 2026-04-24 · 3 obs
○ 2016-04-10 19:25:34
● 2016-10-17 23:36:18
● 2026-04-24 02:48:48
●NSns6.oar.net2016-10-17 → 2026-04-24 · 3 obs
○ 2016-04-10 19:25:34
● 2016-10-17 23:36:18
● 2026-04-24 02:48:48
●NSns7.oar.net2016-10-17 → 2026-04-24 · 3 obs
○ 2016-04-10 19:25:34
● 2016-10-17 23:36:18
● 2026-04-24 02:48:48
○NSphyas1.mps.ohio-state.edu2007-12-02 → 2016-01-20 · 4 obs
● 2007-12-02 05:38:34
● 2016-01-20 12:00:36
○ 2016-04-10 19:25:34
○ 2026-04-24 02:48:48
○NSphyas2.mps.ohio-state.edu2007-12-02 → 2016-01-20 · 4 obs
● 2007-12-02 05:38:34
● 2016-01-20 12:00:36
○ 2016-04-10 19:25:34
○ 2026-04-24 02:48:48
○NSphyws1.asc.ohio-state.edu2015-07-01 → 2016-01-20 · 5 obs
○ 2007-12-02 05:38:34
● 2015-07-01 13:54:44
● 2016-01-20 12:00:36
○ 2016-04-10 19:25:34
○ 2026-04-24 02:48:48
○MXmail.math.ohio-state.edu2007-12-02 → 2007-12-02 · 3 obs
● 2007-12-02 05:38:34
○ 2015-07-01 13:54:44
○ 2026-04-24 02:48:48
○MXmath-ohiostate-edu02c.mail.protection.outlook.com2015-07-01 → 2016-10-17 · 5 obs
○ 2007-12-02 05:38:34
● 2015-07-01 13:54:44
● 2016-10-17 23:36:18
○ 2026-02-15 06:59:12
○ 2026-04-24 02:48:48
●MXmxa-002cfd01.gslb.pphosted.com2026-02-15 → 2026-04-24 · 3 obs
○ 2016-10-17 23:36:18
● 2026-02-15 06:59:12
● 2026-04-24 02:48:48
●MXmxb-002cfd01.gslb.pphosted.com2026-02-15 → 2026-04-24 · 3 obs
○ 2016-10-17 23:36:18
● 2026-02-15 06:59:12
● 2026-04-24 02:48:48
○A140.254.92.302007-12-02 → 2007-12-02 · 3 obs
● 2007-12-02 05:38:34
○ 2015-07-01 13:54:44
○ 2026-04-24 02:48:48
●A164.107.176.62026-02-15 → 2026-04-24 · 3 obs
○ 2016-10-17 23:36:18
● 2026-02-15 06:59:12
● 2026-04-24 02:48:48
○A164.107.177.102015-07-01 → 2016-10-17 · 5 obs
○ 2007-12-02 05:38:34
● 2015-07-01 13:54:44
● 2016-10-17 23:36:18
○ 2026-02-15 06:59:12
○ 2026-04-24 02:48:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
edum.edu-servers.net, e.edu-servers.net, g.edu-servers.net, b.edu-servers.net...-
ohio-state.eduns4.net.ohio-state.edu, ns5.net.ohio-state.edu, ns4.oar.net, ns5.oar.net...4 records

✅ Authoritative Response

Server:128.146.1.15

NS records: ns4.net.ohio-state.edu, ns5.net.ohio-state.edu, ns4.oar.net, ns5.oar.net, ns6.oar.net, ns7.oar.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ohio-state.edu (unsigned zone)

⏱️ Timing

Total: 430ms | Queries: -

📄 Records

TypeCountSample Data
A1164.107.176.6
NS6ns7.oar.net, ns4.net.ohio-state.edu...
MX2mxb-002cfd01.gslb.pphosted.com (pri: 10), mxa-002cfd01.gslb.pphosted.com (pri: 10)
TXT4v=spf1 ip4:140.254.92.25 include:osu.ed, X7GP1otArRiLtKhOGt7I/fkdPUYpPMGkJA0JhmiC...
SOA1ns5.net.ohio-state.edu hostmaster.osu.ed

📌 Glue Records Collected

Total: 4

In-bailiwick: 4 (ns4.net.ohio-state.edu, ns4.net.ohio-state.edu, ns5.net.ohio-state.edu...)

Analysis

IP Addresses

math.ohio-state.edu points to a single IP: 164.107.176.6.

Other host names, for instance ohiostatepress.org, ling.ohio-state.edu, biosci.ohio-state.edu, stat.ohio-state.edu and econ.ohio-state.edu share IP numbers with math.ohio-state.edu.

Name Servers

math.ohio-state.edu is delegated to six name servers: ns4.oar.net, ns5.oar.net, ns6.oar.net, ns7.oar.net, ns4.net.ohio-state.edu and ns5.net.ohio-state.edu.

math.ohio-state.edu at least partially shares its name servers with other domains, for instance freenet.richland.oh.us, 158.162.132.in-addr.arpa, csccfoundation.org, 218.199.in-addr.arpa and genesisphysicians.org.

These name servers are commonly used together with ns0.oar.net, exdns1.nwoca.org, nwdns0.nwoca.org, ocdns1.cc.oberlin.edu, ocdns2.cc.oberlin.edu, ns2.noacsc.org, ns0.neonet.org and extdnsprd.uis.kent.edu.

Hostnames with two IP numbers:

ns4.oar.net points to 2610:a8:2004::2 and 199.18.199.2

ns5.oar.net points to 2610:a8:2005::2 and 199.218.199.2

ns6.oar.net points to 2610:a8:2006::2 and 157.134.199.2

ns7.oar.net points to 2610:a8:2007::2 and 206.244.199.2

ns4.net.ohio-state.edu points to 2620:0:1a10:40a9::15 and 128.146.48.15

ns5.net.ohio-state.edu points to 2620:0:1a10:40a8::15 and 128.146.1.15

Mail Servers

Two mail servers mxa-002cfd01.gslb.pphosted.com and mxb-002cfd01.gslb.pphosted.com handle math.ohio-state.edu.

math.ohio-state.edu uses the same mail server setup as other domains such as mps.ohio-state.edu, psy.ohio-state.edu, ath.ohio-state.edu, cob.osu.edu and cob.ohio-state.edu.

math.ohio-state.edu shares some mail servers with other domains, including jgippm.ohio-state.edu, stat.ohio-state.edu, es.osu.edu, osu.edu and osc.edu.

Host names with a single IP:

mxa-002cfd01.gslb.pphosted.com resolves to 148.163.151.149.

mxb-002cfd01.gslb.pphosted.com resolves to 148.163.155.97.