io.umd.edu - robtex.com

io.umd.edu

DNSSEC⚠️ Not signed
NSns-1899.awsdns-45.co.uk ⭐
A2600:9000:5307:6b00::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront
PTRns-1899.awsdns-45.co.uk
A205.251.199.107🇺🇸 Amazon205.251.199.0/24 prefix
PTRns-1899.awsdns-45.co.uk
NSns-1189.awsdns-20.org
A2600:9000:5304:a500::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront
PTRns-1189.awsdns-20.org
A205.251.196.165🇺🇸 Amazon205.251.196.0/24 prefix
PTRns-1189.awsdns-20.org
NSns-239.awsdns-29.com
A2600:9000:5300:ef00::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront
PTRns-239.awsdns-29.com
A205.251.192.239🇺🇸 Amazon205.251.192.0/24 prefix
PTRns-239.awsdns-29.com
NSns-516.awsdns-00.net
A2600:9000:5302:400::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront
PTRns-516.awsdns-00.net
A205.251.194.4🇺🇸 Amazon205.251.194.0/24 prefix
PTRns-516.awsdns-00.net
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c09::1a🇺🇸 Google2607:f8b0:4004::/48
PTRbh-in-f26.1e100.net
A142.251.16.26🇺🇸 Google142.251.16.0/24
PTRbl-in-f26.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1a🇨🇱 Google2800:3f0:4003::/48
A108.177.123.27🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f27.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1b🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f27.1e100.net
A192.178.223.26🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c23::1b🇧🇪 Google2a00:1450:400c::/48
PTRyubrupd-in-f27.1e100.net
A172.253.157.27🇺🇸 Google172.253.0.0/16
PTRyubrupd-in-f27.1e100.net
TXTA664BC387AC9B5790AAD4CA5AA822363
TXTgoogle-site-verification=yavkojtKOy-6EZ_TvVQVjq7q2CCBJpcL10r3MmB-eqs
TXTstatus-page-domain-verification=08v5cw6sm9ym
TXTv=spf1 include:stspg-customer.com ~all
SOAns-1899.awsdns-45.co.ukawsdns-hostmaster@amazon.com serial=1

umd.edu

DNSSEC⚠️ Not signed
A94.247.142.1🇺🇸 CLOUDFLARESPECTRUM94.247.142.0/24
NSblox.net.umd.edu ⭐
NSns.ums.edu
NSns1.umd.edu
NSns2.umd.edu
MXmx1.umd.iphmx.com ⭐
MXmx2.umd.iphmx.com ⭐
TXTgoogle-site-verification=As2VzGueK-l938gHU7jCCGo0sAWM0eM7BulPwDSC0y0
TXTv=spf1 exists:%{ir}.%{v}._spf.umd_spf.aws.umd.edu include:_spf.salesforce.com...
TXTgoogle-site-verification=5uAJhrJvSIc6r3VJvDq27NdcbVU729HELEEZ0NTPG64
TXTsij7qofovndodvjgjhmgmkeof
TXTZOOM_verify_ew6uSDNaRmmn1nu_Ts6o3A
TXTgoogle-site-verification=FrrKt3ClQUFT5i_gwQAn-uQSoRI5Y_IpFExx1CmLOII
TXTapple-domain-verification=SfiuCrELsUoPhmWU
TXTfastly-domain-delegation-m4fSIJZih88QgWH5trzI-424811-08-05-2021
TXTonetrust-domain-verification=66ba66b7aa304397ba0a1d4f6c96bc5f
TXTadobe-idp-site-verification=0afdc0ecfe602686ab99e86db79056a241a666affe647a893...
TXTonetrust-domain-verification=a9c54d2106ba4d8f96921e94348534c7
TXTfacebook-domain-verification=lo5wiknocnhv9rxmhcau0qu15gcjfi
TXTatlassian-sending-domain-verification=50a6f41d-d743-40ab-ba5e-e6d14af52f1b
TXTgoogle-site-verification=e9un135MdekFdfk_VicDDfCP9wi1jb8Wmkmk1DF6OfE
TXTZOOM_verify_6gxpRSmmeH1pxxUo5Higlu
TXTgoogle-site-verification=SVI8jDKaHI6P96SE07flUYUA2OCriIIOWiX-3a0RnEQ
TXTe2ma-verification=x1ffb
TXTe2ma-verification=04bgb
TXTe2ma-verification=aaqab
TXTe2ma-verification=xcqab
TXTe2ma-verification=6yzbb
TXTbrevo-code:d71d84f4848e813d4acac38670ad3409
TXTe2ma-verification=sujfb
TXTe2ma-verification=tq1cb
TXTe2ma-verification=xqlbb
TXTe2ma-verification=eeefb
TXTe2ma-verification=my1ab
TXTe2ma-verification=oc1cb
TXTbrevo-code:d3c2d63793f4dd20304af345c67a8be4
TXTe2ma-verification=ycqab
TXTe2ma-verification=yxpfb
TXTe2ma-verification=btfcb
TXTe2ma-verification=s6ybb
TXTe2ma-verification=pgteb
TXTe2ma-verification=n5reb
TXTe2ma-verification=l81ab
TXTe2ma-verification=kwmbb
TXTe2ma-verification=wcqab
TXTe2ma-verification=0cqab
TXTe2ma-verification=e0gfb
TXTe2ma-verification=k5reb
TXTe2ma-verification=ecqab
TXTe2ma-verification=m5reb
TXTe2ma-verification=vlseb
TXTe2ma-verification=sdzcb
TXTe2ma-verification=ifycb
TXTe2ma-verification=99pab
TXTe2ma-verification=l5reb
TXTe2ma-verification=rxycb
TXTe2ma-verification=f7pab
TXTe2ma-verification=nabgb
TXTe2ma-verification=u9xfb
TXTe2ma-verification=ydveb
TXTe2ma-verification=oabgb
TXTe2ma-verification=6yzbb""
TXTdell-technologies-domain-verification=umd.edu_6b285755-75ed-4037-bb55-7910d99...
TXTatlassian-sending-domain-verification=ec03eaf2-7ed2-4d03-8333-820cad9e8a04
TXTjamf-site-verification=q_evM9Go1nzKC2ruEDnURA
TXTatlassian-domain-verification=jsp21SwhRd0VlqqwwG604raLVFkXj122oxaP875ixca1SyY...
TXTlogmein-verification-code=t7A67XAYgXcWS1d2nVXr7Dl6K
TXTbrevo-code:d7c5ea407d5638e935306c41b6cf0c69
TXTcursor-domain-verification-8sk7wz=1jFulrG3zid0VtQWYhZk8wrU4
TXTperplexity-ai-domain-verification-hnmv8k=AYYgnLHsTOBvmlPYklcBZ2fiR
TXTanthropic-domain-verification-2kekyx=Izdedg0KzNFDVDh88YGHCIyHI
TXT4D3F845C731B0955B3B0563F393D12E2
TXTFADAF9FB5B9EE2272ED1638D143C1745
TXTSFMC-ChwpRSjm7UAXQ3aO2a4TE_nHOhXyfCVMMj25jtqC
TXT00D70000000IZPh=1TBUY0000000001
TXTti2UA/gVAiO7gzONg0rdrMb6EOqcvvkfFTEbLj+egRTjB9H/rf0lfpBkf0NdaGjf9b4qrQq0xJcEr...
TXTgoogle-site-verification=2ZymRq4dY9_nbGLh9HhTm3Z5oBDEKi2yHyj9buDZmqc
TXT5a5def2dc4b8766dcbc4d2da3349c68a1f60d470238c9ad2c43757470df5b14e
TXTadobe-idp-site-verification=40a1e9b4-50fb-4c92-9399-1e76c80cdf87
TXTDynatrace-site-verification=3b9984ff-fa43-4c6c-a412-a04c9311d963__39f5p55j2q7...
TXTatlassian-domain-verification=hCFSb4vDaH3FZG2/DNZjaj2dLt7Yo8BAte5sP586KyW4DvP...
SOAblox.net.umd.eduhostmaster@umd.edu serial=2922837073
WOT: SAFE (86/100)
rank #614 globally
rank #30 in the tld

umd.edu

umd.eduis the official domain of the University of Maryland, College Park, the flagship public research university of the University System of Maryland, located in College Park, Maryland, USA.

Key facts

  • Owner / operator: University of Maryland, College Park
  • TLD:.edu— sponsored gTLD restricted to accredited U.S. post-secondary educational institutions
  • Primary purpose: University's official web presence — academics, admissions, research, student services
  • Status: active

History

YearEvent
1856Institution founded as Maryland Agricultural College
1920Renamed University of Maryland
2014Joined the Big Ten Conference, raising the university's national academic and athletic profile

Notable subdomains or services

  • cs.umd.edu— Department of Computer Science
  • lib.umd.edu— University Libraries portal
  • umiacs.umd.edu— University of Maryland Institute for Advanced Computer Studies
  • elms.umd.edu— ELMS/Canvas learning management system for students and faculty
  • grad.umd.edu— Graduate School
WOT: SAFE (89/100)
📈 Tranco rank: #2,342

Same first word

io.se
io.gov.mo
io.s3-website.eu-central-1.amazonaws.com
io.at
io.ai
io.s3-us-west-1.amazonaws.com
io.uz
io.si
io.s3-eu-west-1.amazonaws.com
io.ngrok.io
io.net
io.google
io.s3-website-eu-west-1.amazonaws.com
io.fr
io.events
io.systems
io.nl
io.net.nz
io.lu
io.co.nz
io.ge
io.com.au
io.watch
io.global.prod.fastly.net
io.fm
io.ru
io.s3-website.ap-south-1.amazonaws.com
io.su
io.io
io.sh
io.blogspot.com
io.com.my
io.je
io.art.br
io.sx.cn
io.s3-us-east-2.amazonaws.com
io.fi
io
io.pa
io.rs
io.gt
io.wtf
io.st
io.com
io.fox
io.ae
io.house
io.gs
io.vg
io.lt
io.co.uk
io.kommune.no
io.gd
io.ki
io.gl
io.readthedocs.io
io.cn
io.s3-website.eu-west-2.amazonaws.com
io.technology
io.city
io.com.es
io.domains
io.s3-website-us-west-1.amazonaws.com
io.games
io.cm
io.lv
io.no
io.web.tr
io.is
io.ws
io.ee
io.s3-website.us-east-2.amazonaws.com
io.company
io.solutions
io.me
io.net.pl
io.la
io.mk
io.s3-website-ap-northeast-1.amazonaws.com
io.net.eu.org
io.co.kr
io.com.tr
io.dev
io.ngrok.dev
io.s3-website-us-west-2.amazonaws.com
io.clinic
io.com.tw
io.security
io.farm
io.ac.nz
io.nu
io.nz
io.tl
io.cl
io.hu
io.lol
io.org.br
io.pl
io.software
io.builders
io.net.ua
io.tt
io.kz
io.ke
io.waw.pl
io.ac
io.to
io.kr
io.hn
io.org
io.s3.ap-south-1.amazonaws.com
io.s3.eu-west-3.amazonaws.com
io.edu.mx
io.hr
io.s3-website.ap-northeast-2.amazonaws.com
io.dk
io.co.za
io.co
io.gliwice.pl
io.vn
io.uy
io.com.ua
io.github.io
io.fish
io.s3.ap-northeast-2.amazonaws.com
io.s3-website-us-east-1.amazonaws.com
io.de
io.inf.br
io.com.mx
io.cr
io.tc
io.mt
io.com.br
io.cz
io.au
io.ms
io.ua
io.website.yandexcloud.net
io.herokuapp.com
io.ph
io.pe
io.services
io.webflow.io
io.s3.amazonaws.com
io.ventures
io.cc
io.vc
io.s3-website-ap-southeast-1.amazonaws.com
io.gallery
io.gy

Similar names

oi.com.pl
oi.by
oi.cz
oi.lv
oi.cx
oi.digital
oi.lt
oi.xyz
oi.in.ua
oi.wtf
oi.my
oi.no
oi.com.vn
oi.delivery
oi.cc
oi.co.za
oi.dk
oi.org
oi.ca
oi.fyi
oi.se
oi.ro
oi.co.id
oi.game
oi.vg
oi.com.hk
oi.sk
oi.net
oi.edu.eg
oi.kz
oi.rs
oi.to
oi.al
oi.mg
oi.co
oi.company
oi.biz
oi.hk
oi.uz
oi.vc
oi.com.ua
oi.edu.pl
oi.cl
oi.app
oi.email
oi.chat
oi.be
oi.waw.pl
oi.com.au
oi.run
oi.edu.sg
oi.ru
oi.sg
oi.fi

DNS History

9 records (9 active, 0 former)

NSns-1189.awsdns-20.orgns-1899.awsdns-45.co.ukns-239.awsdns-29.comns-516.awsdns-00.netMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.com
●NSns-1189.awsdns-20.org2026-07-08 → 2026-07-23 · 2 obs
● 2026-07-08 09:42:44
● 2026-07-23 16:17:22
●NSns-1899.awsdns-45.co.uk2026-07-08 → 2026-07-23 · 2 obs
● 2026-07-08 09:42:44
● 2026-07-23 16:17:22
●NSns-239.awsdns-29.com2026-07-08 → 2026-07-23 · 2 obs
● 2026-07-08 09:42:44
● 2026-07-23 16:17:22
●NSns-516.awsdns-00.net2026-07-08 → 2026-07-23 · 2 obs
● 2026-07-08 09:42:44
● 2026-07-23 16:17:22
●MXalt1.aspmx.l.google.com2026-07-08 → 2026-07-23 · 2 obs
● 2026-07-08 09:42:44
● 2026-07-23 16:17:22
●MXalt2.aspmx.l.google.com2026-07-08 → 2026-07-23 · 2 obs
● 2026-07-08 09:42:44
● 2026-07-23 16:17:22
●MXalt3.aspmx.l.google.com2026-07-08 → 2026-07-23 · 2 obs
● 2026-07-08 09:42:44
● 2026-07-23 16:17:22
●MXalt4.aspmx.l.google.com2026-07-08 → 2026-07-23 · 2 obs
● 2026-07-08 09:42:44
● 2026-07-23 16:17:22
●MXaspmx.l.google.com2026-07-08 → 2026-07-23 · 2 obs
● 2026-07-08 09:42:44
● 2026-07-23 16:17:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
eduf.edu-servers.net, e.edu-servers.net, m.edu-servers.net, k.edu-servers.net...-
umd.eduns1.umd.edu, ns2.umd.edu, ns.ums.edu3 records
io.umd.eduns-516.awsdns-00.net, ns-1189.awsdns-20.org, ns-239.awsdns-29.com, ns-1899.awsdns-45.co.uk-

✅ Authoritative Response

Server:205.251.192.239

NS records: ns-516.awsdns-00.net, ns-1189.awsdns-20.org, ns-239.awsdns-29.com, ns-1899.awsdns-45.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for umd.edu (unsigned zone)

⏱️ Timing

Total: 533ms | Queries: -

📄 Records

TypeCountSample Data
NS4ns-1189.awsdns-20.org, ns-1899.awsdns-45.co.uk...
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT4A664BC387AC9B5790AAD4CA5AA822363, google-site-verification=yavkojtKOy-6EZ_...
SOA1ns-1899.awsdns-45.co.uk awsdns-hostmaste

📌 Glue Records Collected

Total: 3

In-bailiwick: 2 (ns1.umd.edu, ns2.umd.edu)

Out-of-bailiwick: 1 (ns.ums.edu)

Analysis

Name Servers

io.umd.edu has four authoritative name servers: ns-239.awsdns-29.com, ns-516.awsdns-00.net, ns-1189.awsdns-20.org and ns-1899.awsdns-45.co.uk.

At least some of io.umd.edu's name servers are shared with other domains, for example omihome.net, laser.or.jp, id-estate.co.jp and two more.

It is common for these name servers to be used in conjunction with the name servers ns-779.awsdns-33.net, ns-1388.awsdns-45.org and ns-1853.awsdns-39.co.uk.

Four hostnames, each resolving to a pair of IP addresses: ns-239.awsdns-29.com directs to 205.251.192.239 and 2600:9000:5300:ef00::1; ns-516.awsdns-00.net directs to 205.251.194.4 and 2600:9000:5302:400::1; ns-1189.awsdns-20.org directs to 205.251.196.165 and 2600:9000:5304:a500::1; ns-1899.awsdns-45.co.uk directs to 205.251.199.107 and 2600:9000:5307:6b00::1.

Mail Servers

Five mail servers handle io.umd.edu: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

io.umd.edu shares mail servers — at least in part — with other domains, including intellidrive.com, gvwala.com, ajsw.com and two others.

These mail servers are frequently used alongside mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other.

Host names with two IP numbers:

aspmx.l.google.com has two IP addresses: 142.251.16.26 and 2607:f8b0:4004:c09::1a.

alt1.aspmx.l.google.com has two IP addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com has two IP addresses: 172.253.116.26 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com has two IP addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com has two IP addresses: 172.253.157.27 and 2a00:1450:400c:c23::1b.