smithsonian.org - robtex.com

smithsonian.org

DNSSEC🔒 Signed (DS record present)
A160.111.244.22🇺🇸 SmithsonianAS160.111.240.0/20 Smithsonian Owned Prefix
PTRcontributingmembership.com
PTRcooperhewittdesignmuseum.com
PTRgivenmaahc.com
PTRseriouslyamazing.com
PTRsmithsonianat8.com
PTRsmithsonianauctions.com
PTRsmithsoniancampaign.com
PTRsmithsoniancraft2wear.com
PTRsmithsonianmembership.com
PTRsmithsonsociety.com
PTRsupportsmithsonian.com
PTRsi.edu
PTRsmithsonian.gov
PTRgivenmaahc.net
PTRrightonrhythm.net
PTRsi-exhibit.net
PTRsi-exhibits.net
PTRsmithsonian.net
PTRsmithsoniancraft2wear.net
PTRcontributingmembership.org
PTRcooperhewittdesignmuseum.org
PTRcooperhewitteducation.org
PTRdesignonline.org
PTRhirshhorn.org
PTRnationaldesignmuseum.org
PTRnationalportraitgallery.org
PTRportraitgallery.org
PTRreynoldscenter.org
PTRsjmo.org
PTRsmithsonian.org
PTRsmithsonianapa.org
PTRsmithsonianat8.org
PTRsmithsonianauctions.org
PTRsmithsoniancampaign.org
PTRsmithsoniancraft2wear.org
PTRsmithsoniandesign.org
PTRsmithsonianinstitute.org
PTRsmithsonianjazz.org
PTRsmithsonianjazzmasterworksorchestra.org
PTRsmithsonianmembership.org
PTRsmithsonianonline.org
PTRsmithsonianwomenscommittee.org
PTRsmithsonsociety.org
PTRstoriesfrommainstreet.org
PTRstri.org
PTRsummerdesigninstitute.org
PTRsupportsmithsonian.org
PTRsmithsonian-institution.us
PTRsmithsonian.us
PTRsmithsonianinstitution.us
PTRwww.contributingmembership.com
PTRwww.givenmaahc.com
PTRwww.seriouslyamazing.com
PTRwww.smithsonianat8.com
PTRwww.smithsonianauctions.com
PTRwww.smithsoniancampaign.com
PTRwww.smithsonianmembership.com
PTRwww.smithsonsociety.com
PTRwww.supportsmithsonian.com
PTRaag.si.edu
PTRaccessible.si.edu
PTRafricanamerican.si.edu
PTRafricanamericanart.si.edu
PTRafricanart.si.edu
PTRamericanenterprise.si.edu
PTRamericansall.si.edu
PTRarmoryshow.si.edu
PTRbecomeapilot.si.edu
PTRbeta.si.edu
PTRbhl.si.edu
PTRcivilwar150.si.edu
PTRcommunityofgardens.si.edu
PTRconservationcommons.si.edu
PTRdiscovery.si.edu
PTRdonatenow.si.edu
PTReducate.si.edu
PTRevents.si.edu
PTRexpert.si.edu
PTRface2face.si.edu
PTRfuelcells.si.edu
PTRfutureaapast.si.edu
PTRgiving.si.edu
PTRhistorywired.si.edu
PTRhmsg.si.edu
PTRimages.si.edu
PTRinnovationsinflight.si.edu
PTRintern.si.edu
PTRjoin.si.edu
PTRkusama.si.edu
PTRlab.si.edu
PTRlightingtheway.si.edu
PTRmarshcollection.si.edu
PTRminerals.si.edu
PTRnaa.si.edu
PTRnasm.si.edu
PTRnatzoo.si.edu
PTRndm.si.edu
PTRnewsdesk.si.edu
PTRnmaahcdesign.si.edu
PTRnmai.si.edu
PTRnmaistore.si.edu
PTRnpm.si.edu
PTRocio.si.edu
PTRopensi.si.edu
PTRpaleoindian.si.edu
PTRpanda.si.edu
PTRpersoon.si.edu
PTRqualys.si.edu
PTRripley.si.edu
PTRscbi.si.edu
PTRscienceeducation.si.edu
PTRscienceservice.si.edu
PTRseec.si.edu
PTRshutterbugs.si.edu
PTRsihr.si.edu
PTRsla.si.edu
PTRsmithsonian.si.edu
PTRsmithsonianfacilities.si.edu
PTRsoartogether.si.edu
PTRsrv005992.si.edu
PTRsupport.si.edu
PTRtmon.si.edu
PTRtreebanding.si.edu
PTRvoom.si.edu
PTRwritteninbone.si.edu
PTRwww.smithsonian.museum
PTRwww.givenmaahc.net
PTRwww.paleoglot.net
PTRwww.rightonrhythm.net
PTRwww.si-exhibit.net
PTRwww.si-exhibits.net
PTRwww.smithsonian.net
PTRwww.smithsoniancraft2wear.net
PTRwww.contributingmembership.org
PTRwww.cooperhewittdesignmuseum.org
PTRwww.cooperhewitteducation.org
PTRwww.designonline.org
PTRwww.hirshhorn.org
PTRwww.jazzmasterworks.org
PTRwww.nationaldesignmuseum.org
PTRwww.nationalportraitgallery.org
PTRwww.paleoglot.org
PTRwww.portraitgallery.org
PTRwww.reynoldscenter.org
PTRwww.sjmo.org
PTRadvance.smithsonian.org
PTRinvention.smithsonian.org
PTRkids.smithsonian.org
PTRwww.smithsonian.org
PTRwww.smithsonianat8.org
PTRwww.smithsonianauctions.org
PTRwww.smithsoniancampaign.org
PTRwww.smithsoniandesign.org
PTRwww.smithsonianinstitute.org
PTRwww.smithsonianjazz.org
PTRwww.smithsonianjazzmasterworksorchestra.org
PTRwww.smithsonianmembership.org
PTRwww.smithsonianonline.org
PTRwww.smithsonianwomenscommittee.org
PTRwww.smithsonsociety.org
PTRwww.storiesfrommainstreet.org
PTRwww.summerdesigninstitute.org
PTRwww.supportsmithsonian.org
PTRwww.smithsonian.us
PTRblog.aaa.si.edu
PTRcivilwardiary.aaa.si.edu
PTRkorean-ceramics.asia.si.edu
PTRwww.decostop.si.edu
PTRwww.donatenow.si.edu
PTRwww.face2face.si.edu
PTRcollections.mnh.si.edu
PTRcampaign.nmaahc.si.edu
PTRwww.nmaahcdesign.si.edu
PTRwww.nmafa.si.edu
PTRm.nmai.si.edu
PTRmobile.nmai.si.edu
PTRwww.nmai.si.edu
PTRwww.nmaistore.si.edu
PTRwww.sla.si.edu
PTRwww.tmon.si.edu
PTRwww.invention.smithsonian.org
PTRwww.civilwardiary.aaa.si.edu
NSa26-66.akam.net ⭐
A2600:1480:b800::42🇺🇸 Akamai2600:1480:b800::/48 Technologies
PTRa26-66.akam.net
A23.74.25.66🇺🇸 Akamai23.74.25.0/24 Technologies
PTRa26-66.akam.net
NSa1-88.akam.net
A2600:1401:2::58🇺🇸 Akamai2600:1401:2::/48 Technologies
PTRa1-88.akam.net
PTRns1-88.akam.net
A193.108.91.88🇳🇱 Akamai193.108.91.0/24 Technologies
PTRa1-88.akam.net
PTRns1-88.akam.net
NSa11-67.akam.net ⚠️ Not in parent delegation
A2600:1480:1::43🇺🇸 Akamai2600:1480:1::/48 Technologies
PTRa11-67.akam.net
PTRns4-67.akam.net
A84.53.139.67🇳🇱 Akamai84.53.139.0/24 Technologies
PTRa11-67.akam.net
PTRns4-67.akam.net
NSa24-67.akam.net
A2600:1480:9800::43🇺🇸 Akamai2600:1480:9800::/48 Technologies
PTRa24-67.akam.net
A2.16.130.67🇳🇱 Akamai2.16.130.0/24 Technologies
PTRa24-67.akam.net
NSa28-65.akam.net
A2600:1480:d800::41🇺🇸 Akamai2600:1480:d800::/48 Technologies
PTRa28-65.akam.net
A95.100.173.65🇳🇱 Akamai95.100.173.0/24 Technologies
PTRa28-65.akam.net
NSa9-64.akam.net
A2a02:26f0:117::40🇳🇱 Akamai2a02:26f0:117::/48 Technologies
PTRa9-64.akam.net
PTRns5-64.akam.net
A184.85.248.64🇺🇸 Akamai184.85.248.0/24 Technologies
PTRa9-64.akam.net
PTRasia4.akam.net
PTRns5-64.akam.net
MXsmithsonian-org.mail.protection.outlook.com ⭐
A2a01:111:f403:c902::3🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-sj0pr03cu01703.inbound.protection.outlook.com
A2a01:111:f403:c92c::4🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-dm6pr05cu00404.inbound.protection.outlook.com
A2a01:111:f403:f90a::1🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-bn8pr03cu00201.inbound.protection.outlook.com
A2a01:111:f403:f90f::🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-sa9pr04cu00100.inbound.protection.outlook.com
A52.101.9.14🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-bl0pr03cu00206.inbound.protection.outlook.com
A52.101.9.26🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-bl0pr02cu00702.inbound.protection.outlook.com
A52.101.10.10🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-bn8pr05cu00102.inbound.protection.outlook.com
A52.101.42.16🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-co1pr05cu00300.inbound.protection.outlook.com
TXTv=spf1 ip4:160.111.0.0/16 include:spf.protection.outlook.com include:spf.tick...
TXTMS=ms76417896
SOAa26-66.akam.netocio-noc@si.edu serial=745142023

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=1771291736
rank #275843 globally
rank #21252 in the tld
WOT: SAFE (98/100)
📈 Tranco rank: #625,418

PTR for

22.244.111.160.in-addr.arpa

Subdomains

airandspace.smithsonian.org
www.smithsonian.org
advance.smithsonian.org
craft2wear.smithsonian.org
kids.smithsonian.org
invention.smithsonian.org

Same first word

smithsonian.gov
smithsonian.cn
smithsonian.museum
smithsonian.us
smithsonian.net
smithsonian.org
smithsonian.com

Similar names

mathisonins.com

DNS History

12 records (8 active, 4 former)

200920112013201520172019202120232025NSa1-88.akam.neta11-67.akam.neta24-67.akam.neta26-66.akam.neta28-65.akam.neta9-64.akam.netsi-names1.si.edusi-names2.si.eduMXsmithsonian-org.mail.protection.outlook.comA160.111.244.22160.111.252.2242620:0:b0:2100::224
●NSa1-88.akam.net2026-02-20 → 2026-03-13 · 3 obs
○ 2021-11-10 13:10:08
● 2026-02-20 02:20:56
● 2026-03-13 15:17:18
●NSa11-67.akam.net2026-02-20 → 2026-03-13 · 3 obs
○ 2021-11-10 13:10:08
● 2026-02-20 02:20:56
● 2026-03-13 15:17:18
●NSa24-67.akam.net2026-02-20 → 2026-03-13 · 3 obs
○ 2021-11-10 13:10:08
● 2026-02-20 02:20:56
● 2026-03-13 15:17:18
●NSa26-66.akam.net2026-02-20 → 2026-03-13 · 3 obs
○ 2021-11-10 13:10:08
● 2026-02-20 02:20:56
● 2026-03-13 15:17:18
●NSa28-65.akam.net2026-02-20 → 2026-03-13 · 3 obs
○ 2021-11-10 13:10:08
● 2026-02-20 02:20:56
● 2026-03-13 15:17:18
●NSa9-64.akam.net2026-02-20 → 2026-03-13 · 3 obs
○ 2021-11-10 13:10:08
● 2026-02-20 02:20:56
● 2026-03-13 15:17:18
○NSsi-names1.si.edu2008-11-25 → 2021-11-10 · 7 obs
● 2008-11-25 04:52:52
● 2015-12-16 08:21:50
○ 2016-03-29 22:49:12
● 2016-06-29 20:15:20
● 2021-11-10 13:10:08
○ 2026-02-20 02:20:56
○ 2026-03-13 15:17:18
○NSsi-names2.si.edu2008-11-25 → 2021-11-10 · 6 obs
● 2008-11-25 04:52:52
● 2016-03-29 22:49:12
○ 2016-06-29 20:15:20
● 2021-11-10 13:10:08
○ 2026-02-20 02:20:56
○ 2026-03-13 15:17:18
●MXsmithsonian-org.mail.protection.outlook.com2019-12-26 → 2026-03-13 · 2 obs
● 2019-12-26 12:45:42
● 2026-03-13 15:17:18
●A160.111.244.222015-12-16 → 2026-03-13 · 3 obs
○ 2015-08-15 16:26:04
● 2015-12-16 08:21:50
● 2026-03-13 15:17:18
○A160.111.252.2242008-11-25 → 2015-08-15 · 4 obs
● 2008-11-25 04:52:52
● 2015-08-15 16:26:04
○ 2015-12-16 08:21:50
○ 2026-03-13 15:17:18
○A2620:0:b0:2100::2242015-08-15 → 2015-08-15 · 4 obs
○ 2008-11-25 04:52:52
● 2015-08-15 16:26:04
○ 2015-12-16 08:21:50
○ 2026-03-13 15:17:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
smithsonian.orga1-88.akam.net, a24-67.akam.net, a26-66.akam.net, a28-65.akam.net...-

✅ Authoritative Response

Server: 193.108.91.88

NS records: a1-88.akam.net, a24-67.akam.net, a26-66.akam.net, a28-65.akam.net, a9-64.akam.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 774ms | Queries: -

📄 Records

TypeCountSample Data
A1160.111.244.22
NS6a24-67.akam.net, a9-64.akam.net...
MX1smithsonian-org.mail.protection.outlook.
TXT2MS=ms76417896, v=spf1 ip4:160.111.0.0/16 include:spf.pr
SOA1a26-66.akam.net ocio-noc.si.edu

Analysis

Hierarchy

smithsonian.org is the parent of airandspace.smithsonian.org, www.smithsonian.org, advance.smithsonian.org, craft2wear.smithsonian.org, kids.smithsonian.org and several other host names.

IP Addresses

smithsonian.org points to a single IP: 160.111.244.22.

Other host names, for instance accessible.si.edu, www.smithsonsociety.org, contributingmembership.org, smithsoniancraft2wear.com and smithsonian-institution.us share IP numbers with smithsonian.org.

Name Servers

smithsonian.org is delegated to six name servers: a1-88.akam.net, a11-67.akam.net, a24-67.akam.net, a26-66.akam.net, a28-65.akam.net and a9-64.akam.net.

smithsonian.org at least partially shares its name servers with other domains, for instance quickbookstrial.com, findquickbookssupport.com, insuremytesla.fi, yasisland.ae and deerejohntoys.com.

These name servers are commonly used with a18-64.akam.net, a22-65.akam.net, a7-67.akam.net, a1-29.akam.net, a5-66.akam.net, dns2.mastercard.com, a12-64.akam.net, dns1.mastercard.com, a3-67.akam.net and a9-67.akam.net.

Hostnames with two IP numbers:

a1-88.akam.net points to 2600:1401:2::58 and 193.108.91.88

a11-67.akam.net points to 2600:1480:1::43 and 84.53.139.67

a24-67.akam.net points to 2600:1480:9800::43 and 2.16.130.67

a26-66.akam.net points to 2600:1480:b800::42 and 23.74.25.66

a28-65.akam.net points to 2600:1480:d800::41 and 95.100.173.65

a9-64.akam.net points to 2a02:26f0:117::40 and 184.85.248.64

Mail Servers

smithsonian.org is served by a single mail server, smithsonian-org.mail.protection.outlook.com.

The host name smithsonian-org.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:c902::3, 2a01:111:f403:c92c::4, 2a01:111:f403:f90a::1, 2a01:111:f403:f90f::, 52.101.9.14, 52.101.9.26, 52.101.10.10 and 52.101.42.16.