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Total

DNS

Email

Security

Network

Availability

Domainsi.edu

IPv41

IPv60

MX records1

StatusActive

Domain technical report

Smithsonian request verification

si.edu

Generated: 2026-08-08T18:23:33-05:00 · Cached result

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IPv41

IPv60

MX1

NS6

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

1 IPv4 address(es) detected.

IPv6 (AAAA)0 / 10 pts · Dns

0 IPv6 address(es) detected.

✓

Name server redundancy20 / 20 pts · Dns

6 NS record(s); 2 or more required.

✓

SOA record10 / 10 pts · Dns

Authoritative zone record.

✓

DNSSEC chain15 / 15 pts · Dns

DS and DNSKEY detected.

✓

CAA policy5 / 5 pts · Dns

Certificate authority restriction.

✓

DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

1 MX record(s).

✓

SPF25 / 25 pts · Mail

SPF policy published.

✓

DMARC25 / 25 pts · Mail

DMARC policy published.

✓

DKIM20 / 20 pts · Mail

A DKIM selector was verified.

MTA-STS0 / 5 pts · Mail

Mail transport policy.

TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓

Valid TLS certificate55 / 55 pts · Security

34 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers27 / 35 pts · Security

7 of 9 evaluated headers detected.

✓

PTR reverse DNS30 / 30 pts · Network

PTR: storiesfrommainstreet.org

IPv4 diversity20 / 35 pts · Network

Two or more IPv4 addresses receive full points.

IPv6 connectivity0 / 35 pts · Network

AAAA availability.

✓

DNS resolution40 / 40 pts · Availability

At least one address family must resolve.

HTTP response0 / 40 pts · Availability

HTTP/2 403

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)

160.111.244.22

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

1 record(s)

0 si-edu.mail.protection.outlook.com.

TXT

64 record(s)

"0aaea9bca148850c1b6f223e7f57a777232e5a319343f6d8989514c236f298fa"
"04a376ab7769590c9661fc0941631e28f4055d41005260b40fff3c87d8df9869"
"7d4550321c0161253c3ea5ccec6c837f8bcf7be735038aa9f653a72d98eec4bc"
"canva-site-verification=_s6Cq2oLPbhyDq31iu-b-A"
"39433829e8c04de67882088be1ceb6eb7300dd8d405217affb631c652d2c92bd"
"f625192959685de445110b63c95ea6f12e17d96e36e9c3e9e0a938c30a4f43ba"
"airtable-verification=3f1db8793cf1be25596af7e99e060d41"
"494983b036c42cf817dacb5fc919f629c3786991041ddc257fc4014ce1c7886b"
"31802817b6579c3d802ca2f1680d394b657eb4788178951026ace15baafb5588"
"openai-domain-verification=dv-eu9pCkdZuzJSXWszEh1cs3BG"
"b3885056fb9ee4649ca08b2d7f5aee42ad8524f090e1d4bc1ebf388f41695af4"
"f32a1ad19f5e57b68f5bba3bcac88ad61fd110d2eefe9cc12cc05c8bbecf5031"
"520551a893da3ebec689738534dcc320a2265c162236dbde97b39a026cd87fb6"
"google-site-verification=kanYvoMvgHV_OzXszl4r6hoaRhJ-RSmcKHmMNYbJLM0"
"adobe-idp-site-verification=ebf44aa1f4d5c71b36a262511b68415832b6f2ad1b7411c528806154df4cc7a6"
"docusign=1c9206b6-fcd1-4754-8bb5-dc9f864d2d2e"
"3e449f3017316ed138f1d4a6d4be9346a440a6100bb1f1e749992ae4430a7e74"
"14cdba3c0c616a8ce86008cf5436804e406cdff63a73d44cdb943331fe716c5d"
"4f91259469ca9960db5699179cb910796852693ba7df70b60545f79373c5d0e2"
"b81949f9493326bea1ceae862c879b1a6688f02762ade1c2211702ebb1d5af05"
"v=spf1 ip4:160.111.0.0/16 ip4:67.231.156.100 ip4:67.231.148.101 include:spf1.si.edu include:spf.protection.outlook.com include:mailsenders.netsuite.com -all"
"atlassian-domain-verification=WsqpJRrIShm2l9mzMRIOQjdSiHChgFqqfOMIUH4B3EDLiaodZLfVZsitwXvvOuzo"
"d2c638e312f5d2bf17a1c5295c39c1b51200c5caff4fafe25ac4f7345d4825aa"
"4aa7b65339612a9a90d4cebadbb570d0ea68be025de69c1f11a1a14207cfdedb"
"082b9cc317ff878149172c86c461af33b77e375cf70a4eea971a25418ef906d5"
"ae526ed1432cc584889cd7864aeb421535f15c4446220a7fef0084779b769e72"
"apple-domain-verification=OQGHn6kF8gOnAiWs"
"v=spf2.0/pra ?all"
"7ad39b33bb809dff48ffc936a730927bc47c1b0ce9ef0e5956ffcd3707c7207e"
"6dee22b4868a2c91e999fd11037713c59d89df90570f080386c6719737c39527"
"atlassian-domain-verification=/lJYot74zjF1VwfCEfyelSmp2V3z5QnHGSWtBhaZzLjy3KajAZuREvkSONV5/oY5"
"ae4702faaef4287671c09ea00d6ee406f27390cef064da2f1ea20268e56d92c2"
"02903de83f211f7c1c93dbbfaf24f4de1222fb631d64214c20f5aa76f0cbb2b1"
"103981a55790ab5e79fa42a3be5ec1f1af9688531c1d7201da7b423e1a9afe98"
"270f64f6d25ce95f3dee98221993750128f27e3c77866485b5a589f4d00ec863"
"jamf-site-verification=_2xGbG2MJiUanzZxmwyiBA"
"f0afb2e46e0da6455ff974d8d351d6ed3a5520b5fa607284d71e8624f07608a0"
"9d9f681dca718bea2c480bb46cd0c1ecca4329b3f9e21616bc836d45916defc9"
"MS=ms11507808"
"8b581bbbb2fffb6a643e039a6eac27e87f1fb3cc77a63dbf46a1945364b84f1f"
"pardot980712=40b77e6a8c3cb064ca443f8d3483406a462ed6e8096c597515102540924fa4ed"
"google-site-verification=9-OyClmReEWU6t3ri7R65zaHcE5ONk80xgeIHMjgg08"
"f27120e7e7d9fde4b8b1d550a8676808f32423c68f65bf080257153124065865"
"b5619ec13807b9baa5d942538745a66b67dbf3c844edbd82f227cbf539fecd83"
"onetrust-domain-verification=733d52d8e41444d097693c749e597ec9"
"97bf4b9ed60aea1d02f2aeaafc4a2941a8a5c647a0792a8165ea444a7cc34ca7"
"2fa42e7886b78a66bd2e4010268ee32d674f9966c27c327bece432e50daa5ef4"
"Foxit-domain-verification=90c4cab4414ce9a2004043298dd584ce"
"18aa19c7c343e9bdc9c2a6bb9cda5dabb4355c68d8e5932ccd6381651e126505"
"e85d3013c9c7b3189294607235b7649ecb79aca52fea7d56cd63f8ff0bdd3759"
"060016681f61e250780cb31c60e8e9c59232b1a6a96c84f4e6df6241169a80d2"
"d0979ba3450a12a765a08ae0190e39832ff0175cade82a341307a3291532e19d"
"a37dc5ea443ef274ee1bbf4d014c312e4a36bf28c28204b033f914f932bd45dc"
"82bfa18d46385ec9599afca5ae30e6f718c8383c062699c76e894b62e9df8e79"
"69590cb29bef8c8cc7c9b2e65dc042877bf1f8d8ad89d454339a554f4a6657bf"
"docusign=13c4cb8d-4a47-4283-811e-e667bdd84098"
"99150e590fc6c7a503eddbc238c57319e437e396766bafb797c36d78f4fc3fe1"
"pardot1004652=926ad95006c2c225fb35c6cf36285e8b112f6756b832538f471e4cbf886f11c0"
"D9Pafp4mPMV7Vt+wH+GSYi35FnsBm9zZQA6TLxStwyHV3JFiCPPQGVSJM7UzuvWz/KrphLEsXbc/bs5vKq+iHQ=="
"google-site-verification=h1dnhf4Bz-gK562okiF7P9C6hy5xTOc_7v-4ChAOpHo"
"1209cfa51bcf735615577b69ddaddc125e40063092c69453ef8b2c90e9db5aa1"
"faeacb31d37c71bd733abb60f275e2b68b82f977fa17f48f377fd0824dfea1d1"
"asv=84f6dfbd71d6cbaaa0ed4810076c50f6"
"085b91e4eb1a7a8572dcf79376104572dd8caf625df8797c2459f62dbd6f8757"

NS

6 record(s)

a28-65.akam.net.
a11-67.akam.net.
a1-88.akam.net.
a26-66.akam.net.
a24-67.akam.net.
a9-64.akam.net.

SOA

1 record(s)

a26-66.akam.net. ocio-noc.si.edu. 787305118 1200 180 1209600 1800

CAA

5 record(s)

0 issue "sectigo.com"
0 issue "digicert.com"
0 issue "letsencrypt.org"
0 issue "ssl.com"
0 issue "pki.goog; cansignhttpexchanges=yes"

DS

1 record(s)

7096 13 2 30F299D6F21BB273CB617671F557145F9047F5628EA8F2D5FA5A16DD 3995072E

DNSKEY

2 record(s)

257 3 13 ZWNrjO6jVzVdSfufMeYCQCKpPPXoRkLYmkTXtt6aveHONLl3U3MZjBYl r26j05eJ3+mbMCv1BgSrBS/0qbGzPw==
256 3 13 ISzpsfk4hNlnkuc1zsgFE4cqJd4mokilxFABtMS5DRDaS4oCbav2+xhK YnjJrEJ7xNy9G48FjwJPB1pNtNo3nA==

RRSIG

5 record(s)

SOA 13 2 3600 20260823231248 20260808221248 59756 si.edu. h3B8L/L0zz/aYLWwx/C8eyf3UW3DfhG5p655b/bpFwuLG1TDLW+6BOeX Dt/qEJogX01/NWznMGODcgw/Za8Owg==
NS 13 2 3600 20260811053001 20260727051405 59756 si.edu. 0W/ClpMvmanlPx7ehg/ns1/4QWqghNHWT7kyk2P3Eb/9NrQW9pSRGPil rHtoN1zjeegZKuzuBNGVwrFkZN9yaA==
TXT 13 2 3600 20260813201759 20260729201622 59756 si.edu. erqc8Gdb3Fc8MpEEYVzMfInk0YX+LjvhzxxlFnmZyAAjkupDDxaXUCS2 OvrGQbms6hGZgi13veqAArGAATnmJg==
A 13 2 300 20260811052536 20260727042741 59756 si.edu. 5we1BzWSillZoL70bMscI2ybvxoADS4CyNLJjIo5V5BPfBCZgKXjGj+m u2SRLBONZKwJkgBBSuKJhGHMU29tDg==
MX 13 2 3600 20260811050142 20260727041843 59756 si.edu. Z428knSrhJ78j+Xv7Y252kXMaQwlL6BosajFYGD+2gYqfpRszOKYbroc dOrxLkTqwPuUO8BXIh1xFDNgYi26XQ==

NSEC

0 record(s)

—

Not configured

NSEC3

0 record(s)

—

Not configured

SRV

0 record(s)

—

Not configured

NAPTR

0 record(s)

—

Not configured

TLSA

0 record(s)

—

Not configured

SSHFP

0 record(s)

—

Not configured

SPF

Configured

v=spf1 ip4:160.111.0.0/16 ip4:67.231.156.100 ip4:67.231.148.101 include:spf1.si.edu include:spf.protection.outlook.com include:mailsenders.netsuite.com -all

DMARC

Configured

v=DMARC1; p=reject; fo=1; rua=mailto:5e661d18@mxtoolbox.dmarc-report.com,mailto:dmarc@si.edu,mailto:reports@dmarc.cyber.dhs.gov; ruf=mailto:5e661d18@forensics.dmarc-report.com,mailto:dmarc@si.edu; adkim=r; aspf=r; pct=100;

DKIM

Selector default

v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDf3px0BX68c5Ndt4fsjjhIauO0XimgTnf7isoP19qlbIBoPO7GY3Gp7QkE9XEmIBSlkOqs+RkZ8gQq8HXPqAD36rnylthB9ZZnwhXMmpJ5Ibvxc2BvaXAxi0BVUT3g0UIeakxB5vWohjDj4aZ2QXCfodMGari/QdQHwvdYF04tbwIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Smithsonian request verification

Description

Final URL

https://www.si.edu/

HTTP status

403

HTTP

Status

HTTP/2 403

Final URL

https://www.si.edu/

Version

Server

cloudflare

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Internet2

*.si.edu

Valid from

2025-08-10T19:00:00-05:00

Valid until

2026-09-11T18:59:59-05:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_128_GCM_SHA256

Security headers

7 active

—

HSTSNot detected

—

Content Security PolicyNot detected

✓

X-Content-Type-OptionsImplemented

✓

X-Frame-OptionsImplemented

✓

Referrer PolicyImplemented

✓

Permissions PolicyImplemented

✓

Cross-Origin-Opener-PolicyImplemented

✓

Cross-Origin-Embedder-PolicyImplemented

✓

Cross-Origin-Resource-PolicyImplemented

DNS propagationComparison across public resolvers

Public resolver comparison

Consistent

✓

Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

160.111.244.22

72,87 ms

Cloudflare

1.1.1.1

160.111.244.22

50,75 ms

Quad9

9.9.9.9

160.111.244.22

39,46 ms

OpenDNS

208.67.222.222

160.111.244.22

33,40 ms

AdGuard

94.140.14.14

160.111.244.22

73,99 ms

IP, geolocation and ASNAssociated network information

160.111.244.22

No data

success

country

region

city

asn

organization

isp

Visitor information

Visitor

216.73.217.62

reverse

country

country_code

region

city

latitude

longitude

isp

organization

asn

timezone

browser

Other

language

user_agent

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

is_bot

Yes

cloudflare

SMTPEmail port connectivity

si-edu.mail.protection.outlook.com

Port 25: Closed/unreachable - 24.3 ms - 
Port 465: Closed/unreachable - 4020.8 ms - 
Port 587: Closed/unreachable - 4045 ms -

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