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Total

DNS

Email

Security

Network

100

Availability

Domainnationalacademies.org

IPv41

IPv60

MX records1

StatusActive

Domain technical report

National Academies of Sciences, Engineering, and Medicine

nationalacademies.org

Our work helps shape sound policies, inform public opinion, and advance the pursuit of science, engineering, and medicine.

Generated: 2026-08-08T20:41:58-05:00 · 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 policy0 / 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

63 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers16 / 35 pts · Security

4 of 9 evaluated headers detected.

✓

PTR reverse DNS30 / 30 pts · Network

PTR: cyrus.nas.edu

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 response40 / 40 pts · Availability

HTTP/1.1 200 OK

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)

144.171.1.16

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

1 record(s)

10 nas-edu.mail.protection.outlook.com.

TXT

14 record(s)

"2k21m18pt835k3xhpbscl75qyn3n2c0y"
"mandrill_verify.wAm47ZJdVGKprDi-iZkOxQ"
"v=spf1 mx ip4:198.244.61.9 ip4:198.244.59.95 ip4:77.32.186.167 ip4:204.141.43.101 ip4:142.0.180.66 include:sendgrid.net include:servers.mcsv.net include:spf.mandrillapp.com include:spf.protection.outlook.com include:49197025.spf07.hubspotemail.net -all"
"_vqu0g50l4ocz3so0yuziml5yzv6mo0u"
"333e69769d3c40df9430574c920fe360"
"mandrill_verify.PAOzPVpO5KAb_7WePZebSQ"
"nxj2yfj8898pvgbv8pq938pf48dk43zq"
"w3xnqqk33cz8wkmf36ms662x9hs73qr0"
"ylcw299yp8f3917dynkv1qkyr2c4k8nk"
"MS=ms46445049"
"2A921FCEBABA0B14034B59C17B9E9292EC513E8A"
"MS=ms34821908"
"0dfgbd9gccd436ntmxtgjftjkylrbx2b"
"google-site-verification=ARj1MldYEfQxsA2EDn8Lt-EkHIYFZ-5KC8RqidR2rzs"

NS

6 record(s)

a1-44.akam.net.
a16-67.akam.net.
a28-67.akam.net.
a5-65.akam.net.
a6-66.akam.net.
a11-64.akam.net.

SOA

1 record(s)

berkshire.nas.edu. hostmaster.berkshire.nas.edu. 1785557702 21600 3600 2592000 360

CAA

0 record(s)

—

Not configured

DS

2 record(s)

8995 8 1 C2F39A08364511F44CA88A4CFC9505FD33DE6B3D
8995 8 2 39E5AD0B49172175BA72D7AFB65B6AFD666F34B55E00E81850043F8F 89EA852D

DNSKEY

4 record(s)

256 3 8 AwEAAezbKlwb6N0N5AiRjVaBhYw9mylIxeuLYroyCU+LrQyhMpRzP8fB 9C3Xg3CNnNY2sQVyASPS9fWp8szBySWnonQT2rmTCVZZ5JSPKjqHhhrz gQv4OOGlIw4CWcU8zWVUfrn8NJc6ziWwmT/ALVz93Bg++FZ1O2g2603o 7KSTpd1TKNuMSPpbC9Xwz8eQCiZfpAVFwTUtEV18p3olAs6WAuHHTciM okdnttUf8YHOO6wAjFYKr7eXXXPWlShr4LNlQYT4iobmOHIkTNbsCe0i eoLUqd6c5NIidBBuROP5bEmcmJayc4or4pOfISHmpkCNlJSOjWJQQR2A YGj4ECbC8SM=
256 3 8 AwEAAeCYFDt+Sh13fSc8B9l9PdqAZygxvREUmHWiYqFtiQFxSfqThqVJ Bp1zahYVHmRmiKe3a1Kxy1XIO9e8jH46rx4eJL9ggrldJH2vZTp9dmQm 1hg3fhrPGnEwoERYN+gZL4D4yXwnfsNoov6LDPPl1fXl15uzsvo1Y2Gc darsNhct5+pejWnmE5D51/Iz1vAwhZnqtZ5UOnlf5x9ZX2dRh/KzX6o3 ZrUxFMPcdkobgNlZBjAIfvZxrkv2rX8rSlo6eG9A7dA7vx2kaOggxTIe 4O7bOfOZ2F4KXYEI1hwLxEkj/SqcCP5qArHRWjic9IeMoFXudvqnE0Wc P86I/I1WXKc=
256 3 8 AwEAAb2hfMI5zOaDPfyW2i20Ar0Jv5EBmQv/ENl/GMUkKbl9G5zdMywi 5WG+lvZlTtqJmMsVZl6K86R5Oqoagw/uJmU69w87aSuHelNHvhgfhk29 19HO1KBt3hzg1NMLUo15zpZwcorVHWjgtxZ6OTgujELn27FtLDshZD/J OTs+Bvj+2rXYFlT/iLfjPmgnPfIOi14p+tdvaLOVe/eAnhc6o4L5FAfP 2owpUrjFXuIgKXeNED8zXZE1MBFNhgrsJ4qDueiMkQFD18yxqN14C+jA UytyVemlw7Fh2Y4+VSA0VhBnu9Kq5y4rWCeMsnAvpxqmBdzHmlSurMOM twTgXy29iJU=
257 3 8 AwEAAblj12hIF+bYyR2DiiEtx1K26vJ7KG7dn+qCmdoSoTqXOL0zG2fQ DLCfzzbelDWhgD/auv1634HmL8ooAV/yeDQkPDi7gAIPQFFrFDpJ+Qia xW9d9PIkjACNTlX/pXkgGh+2ft0bjnFqcWwY28qpmfQN8FFkQr4wiAA9 LIVuyoemz9oTu2Pj9xN3WwkWNUuFkV0elduLNdBni78YbtlpOrGbWsJY h9eLvl/VZq2+J7jVNgJDOouC0ckugb22Xgz2uARcU9slZ3lKdg5zjFPo pVSoQcZW/KDBEPz0Rm7hvTkztMU0F/gV3FGJYaseMh5jAxEKiCwct5Sn peQoPDyGphHlABtC5fWP4hc6UoKiqm0cI7S6SD7tnWJ/6brOzxr48phQ sBvxCm/VTv8Ce7zXpxr1Na57RvzODmUx4xLBPwJfY7tdSgusuYWagy6d 5H2rUVzWnVG+h0MCZZZ8XSnqPt2JcTCcw1MJ3wwuxolk/Q+P96+IhVCr h5FLVxiAHIEOPRZ+MtP9aZYQdNWVdFJdbgqZkdT6+NG7cbYeUi8oQq9J QfIGQqanhfTSiOtEy/0megOHmyDFT36UZI55MSmVsxmVr9/wfSxbOlbk QncBfDSAIllTniOXd6TAjW551XnWSCl7myiuotE6g0f1gc9DpDHDnu/h 4kOza3zjU0NGrLOZ

RRSIG

9 record(s)

NS 8 2 360 20260831031506 20260801031506 14251 nationalacademies.org. BqPbat41uE/2vx03/HuPvyY2L6Ogo6wGySY6xvIwmAfB8K4ztCIK5KwS QNAHfFqztRO73m8aw+pBvGyeKBQgqXCc5gJMDP83/idZSYqrcBUg3qn2 uPCzSHB275A33+9agmmiAyvxJnbMZGTp05r6dQsJwf8uLc2IdtoIjKra cUWubLgWq9qiYL1U5BpAJ8fN1PkLOf9yXUy+iAGq04eoS4Zp4B+ZbDcA 6cC0SBLBtsnxMk1AwDCaj35vgZFryJ8H16bjHbyDS8lbeVbwuUDRDkVM 0pCJMna3vBIyuj54HYVQabXJRUhc/3Bs/gLg6Isnta7terV+0fu0ygao N0D0aQ==
MX 8 2 360 20260831031506 20260801031506 14251 nationalacademies.org. oR7o80MfjhqvPU5NW4ZBsBVRnu1rursJuMHA2Zw6VvooAYDWKTczSTp9 jMPi7DlWos/8gNfrNa1+lTwTVLs2MSjHt6jTFJm41fH6R1SfVWGWsHaS 60J1PsEPbv5Dg6vWfNwrKj0aOmOoo+YifItk9jFuUVzdUewDJIV7yslg TLjhQbxdTaGFpnLxaKjOnxWRZLMEpG5Q5wX+rN3Pg6mniY9jNGBOGZjr GeeGUIQ6m5t5XOuAgqriAd7+vcgWfMdWgbFLFDIFwSJf2go7tuLvDGfa lVUpWq28JILPiHr23q1JEFRzwuQe4BYtdvY8JfhamMate7scF4xBPT2I DHVWwQ==
TXT 8 2 360 20260831031506 20260801031506 14251 nationalacademies.org. bQ+hx0Mq6w1KfaqEKFjegNckoOEgiz5ozrwVEbOYw2iMdaT0hOw6joFi f104mvSSTssBa6cKNx8OIwHViBUcBX2PiEB5kj5cXejSP96Zo+p7c9tI mu/xExNL6P5xU54VM7hWAbdM0aN2VF95sw5VHmSes30h18vSQxApuENn np3qY0Njc8W1bVvomkVVEVT/huwhiIl52fYQz3jLTiZrypjfBjrlKT+x GiYyuigrj6E2j0ABi63g5OTRK6z2TAuIO/v/ZbnhmPutiljZbaKdc07I NGiV53gixxwtdcrbGV6x1cCJIsXbK5D+ioYf/fmq9dI5TZkXKFpFo3Je +cYuVw==
SOA 8 2 360 20260831031506 20260801031506 14251 nationalacademies.org. pU49u3hfgJpXREfVCnYOoMBnIJL1k7ZzJyw4+vpIzAsyj7xTbB840Pn1 iQLKN9AEEEEEePZsLOA/FB5mEKmXTdGomudyU4ZhdqUoUbB6MjW4Q+Af 3MSG1hT7qDeon6p0/1n5ITh7j38Oc2LvTdVCtA0iqAKvqZ5yWi4/vaXe Y4nmXlgnVpUPRk32XBu6iJ9NyWn5mYwx5HJ1uNrsyJV/EDR0mFNV7tHy Pvm0Lp+tyFo7Tvvtwyc40JQFI5G7wRNR07806OqxhX13kZStOlzxcXAs tShYQUvlbgMR3sypjDxGPQxbeXClub4fawc7IAPBceO7ntgktA5X39ol 1vWqJQ==
DNSKEY 8 2 360 20260831031506 20260801031506 8995 nationalacademies.org. hQ4skzWxufQo/abWPzLEaVa9fGiGCVjLUpZR4aYR7NYyGJAZuF6sESYU FQVuQf2ETdnLSmE4TbfdTLxwxlTRxmuUrPfKO1QnI8srvGljvQcKP3Ax S8FDK1VPSesal6zzz26cANvVlBtoShcNw0CXz1blz0huTEAbg8V7r6rs Zf1RX7HA9yaUWmuQYF1/Rrj7UfWEgDfeiOq09aY1mG8uSXdy2XoPvkzE E7DcQsdJrubG41Zz5UqkPzmUBJntEj0wduOVvZ0Rr7GmR9yarIkww3hl Ju3hvRGP/nvZHKoAOdZAtamnvh3GziHRqAdQ6o7lBGYBcMpYzD05bSh1 bpEWGV6V/cRGaI0u/7DXQXMlDSmsGIpd5VOlqKyt5N9p+Z5Ovb8LDo3R vTlL3jFxE6U52suf72P5au9aDVKihOlkA/IE161TouLGk6gQ9Z3/wovL Q9lb41VmkR6MEr+9v2lT/bwcKN6LkbzSu7FRtubs7/LkYRds3RmMihgy 9QSStiurZHLFwkACWGOTzJT/Q55Xczuzweph1Sbs0cbqgB0hBdsTmCok 1MvkGSFN/s5dFEVFVrOxXRvdxxBjrlxYEWYCT+9wKKAoHap/SbfebYpF FeKZrFU409YEgVpGrnLj/HzR+klZGzpmatDRqdC2a97aGxYblVqfLCxx 90Hm/ZxgK0A=
DNSKEY 8 2 360 20260831031506 20260801031506 14251 nationalacademies.org. lczVhIgwFFduM3/qk2IMMm3Yjz4YUEwMsJm7rMhr+6KeLygOEAussSSL DngaZEW6RTHrARGbIky6jR6LK6Inzy/VhOk4AVM18tVw6nz4B/0umPhF HR5ZFbyTvo7Ns8oS6n7kWwjVpOgOGqD9N9Kw0EvyNT4bSqHQt2inpiRP eVDpzkZMiFn9PATXFXY5LZijb4GzIFFAU1ZqmGadjAOQnjKvMgi+UlaU eYBrydtUVcfK3S8LCp50g8AZ1YdFVmIvyHS+miOlRpIYIM4S4I5SKPXm ZWH/Bp0nTES1WuXYiXAAhNPhveZu6xj6BMuzfJU5id5ylaGbTKI7KBQM p/9XUg==
A 8 2 360 20260831031506 20260801031506 14251 nationalacademies.org. vAz6WJSFm6MlzDR1TDaPmZYmn13LCQmpZkCUMnsr0rLnSphGiV/N8V29 dnRoPKgsHARkXuilNtOVE8BbUPt9gwuirBUKjMrfrbRC5NzePt2/w/w4 16/CqLpuLKohp92vy+xmFl66zw+TO7UD4pUa6g1tbU8BLIybUAMq41Qr SFc1BsUBZeTJ663/433hE9q/sXNWawum/0ZMJTmbZwa4/spoEfBy88eG tKK7xVrBBJpJW0MIjp3c6foBAM/0tUQaNgUHRphHea8/JQmsdMY1+VxJ 2NQDL9m+e2XpQFCzK36dniBF9aF6b0jgmajZY1JgMzj1+eGsXHZ/Z06n 1g8Tjw==
DS 8 2 3600 20260822152352 20260801142352 44925 org. bIjd/gGrATlp+0ymSeS+P9+w9yOPWT6tQZaNfhYC3odvrgsVJu45cavI z02wWiARAc210WcM7OOJay9YEJqE0onR2LojSVbfAs0L1Yyey4K/W1Vd 2kpDh1zxO5mONBqI1Xur0OidtQk7zDxOo3gsP2Sk3PEI3KvpCVpvN0qm cXU=
NSEC3PARAM 8 2 0 20260831031506 20260801031506 14251 nationalacademies.org. uZigKG0GoWcTpbyQEc+BnNHOQjFg4hzjUtymUWD55vNtUZNkXCssdR9L uX83Ylvpkt2fhAGU/E9gtInwrIIZaTu5PPKyf4EfHSYGfUhNOjwFhKX+ /FjC4M7Tivg1+MPU3f5Jsp/VnGiFs0RAIKuCRAmqUkW4QuRV8tqTTH76 l/+px/FBVV+ydFZTiKkRD4y25DXNBQNaM31x0a1B4mTFGeMhJiKoDIOj TOqRITUbyVV46g1pDzG1ljut8dIVhBHdVo6gPSfASy5uqONZP/GsxLIm agoJTz5sketrbr7+KAThYIjG3OZT0q9Cc55Bu5qhb/QttGLN3EMM31Pw Hxw5Pw==

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 mx ip4:198.244.61.9 ip4:198.244.59.95 ip4:77.32.186.167 ip4:204.141.43.101 ip4:142.0.180.66 include:sendgrid.net include:servers.mcsv.net include:spf.mandrillapp.com include:spf.protection.outlook.com include:49197025.spf07.hubspotemail.net -all

DMARC

Configured

v=DMARC1;p=none

DKIM

Selector selector1

v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw8ExcDCtGBfmlle9CQawo80kBWzp00r+5oTQbX7FeU3JqUycfolt0gRfs5S1unFYMaQbDNIHYgIyOwlvR/gQImifee5GK6M9QYkDWcmajlpidiB7RHqNMfUlXovrqgIks3Lu9RXWYxBIJYYjARJDET3lL8wsf48hDraZbrNGbnc7tpkfoA9Oy/ZEdjFoo5cinpqlBIJJmcamf1pDDbOSCJry9pca6pWm4APOg0+Q60YIlQFPKUnDsaaWkmW8KR2uT2ZFfIN1BCTHxKemaUVynbuQuFyF9zMIw28w8hXJiXRGtzCPjjrQVM5eJSe0dqoNffFmxbfvXVUP3T/gYx+RtQIDAQAB;

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

National Academies of Sciences, Engineering, and Medicine

Description

Our work helps shape sound policies, inform public opinion, and advance the pursuit of science, engineering, and medicine.

Final URL

https://www.nationalacademies.org/

HTTP status

206

HTTP

Status

HTTP/1.1 200 OK

Final URL

https://www.nationalacademies.org/

Version

Server

BigIP

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

DigiCert Inc

www.nationalacademies.org

Valid from

2026-03-26T19:00:00-05:00

Valid until

2026-10-11T18:59:59-05:00

Days remaining

Protocol

TLSv1.2

Cipher

ECDHE-RSA-AES128-GCM-SHA256

Security headers

4 active

✓

HSTSImplemented

—

Content Security PolicyNot detected

✓

X-Content-Type-OptionsImplemented

✓

X-Frame-OptionsImplemented

✓

Referrer PolicyImplemented

—

Permissions PolicyNot detected

—

Cross-Origin-Opener-PolicyNot detected

—

Cross-Origin-Embedder-PolicyNot detected

—

Cross-Origin-Resource-PolicyNot detected

DNS propagationComparison across public resolvers

Public resolver comparison

Consistent

✓

Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

144.171.1.16

61,50 ms

Cloudflare

1.1.1.1

144.171.1.16

64,74 ms

Quad9

9.9.9.9

144.171.1.16

172,69 ms

OpenDNS

208.67.222.222

144.171.1.16

147,37 ms

AdGuard

94.140.14.14

144.171.1.16

75,54 ms

IP, geolocation and ASNAssociated network information

144.171.1.16

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

nas-edu.mail.protection.outlook.com

Port 25: Closed/unreachable - 23.5 ms - 
Port 465: Closed/unreachable - 4034.1 ms - 
Port 587: Closed/unreachable - 4005.1 ms -

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