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Total

DNS

Email

Security

Network

100

Availability

Domainascd.org

IPv43

IPv60

MX records1

StatusActive

Domain technical report

ASCD

ascd.org

We create practical, timely, affordable professional learning to help educators and instructional leaders provide students with a modern, equitable, and quality education.

Generated: 2026-08-09T18:30:44-05:00 · Cached result

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IPv43

IPv60

MX1

NS4

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

3 IPv4 address(es) detected.

IPv6 (AAAA)0 / 10 pts · Dns

0 IPv6 address(es) detected.

✓

Name server redundancy20 / 20 pts · Dns

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

✓

SOA record10 / 10 pts · Dns

Authoritative zone record.

DNSSEC chain0 / 15 pts · Dns

Both DS and DNSKEY are required.

✓

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

183 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers8 / 35 pts · Security

2 of 9 evaluated headers detected.

✓

PTR reverse DNS30 / 30 pts · Network

PTR: ec2-3-82-75-80.compute-1.amazonaws.com

✓

IPv4 diversity35 / 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/2 200

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

3 record(s)

3.82.75.80
3.212.12.152
34.202.247.222

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

1 record(s)

0 ascd-org.mail.protection.outlook.com.

TXT

10 record(s)

"docusign=5a93951d-3b2e-4a96-b16d-07643a666657"
"google-site-verification=ZJtIyLPXJpmg2BrNzcNeBhpf7Yp0abh5ZRA2PNqqg9M"
"v=spf1 ip4:52.61.91.9 ip4:52.0.20.102 ip4:52.2.238.96 ip4:40.92.0.0/15 ip4:67.94.7.0/24 ip4:62.225.15.98 ip4:52.222.73.83 ip4:52.222.62.51 ip4:52.222.75.85 ip4:160.1.62.192 ip4:15.200.21.50 ip4:52.20.146.34 ip4:50.31.57.204 ip4:104.47.55.110 ip4:104.47.58" ".110 ip4:216.33.126.11 ip4:40.107.0.0/16 ip4:52.100.0.0/14 ip4:104.47.0.0/17 ip4:217.7.197.202 ip4:3.93.157.0/24 ip4:52.222.89.228 ip4:15.200.44.248 include:_spf0000000.ascd.org ~all"
"facebook-domain-verification=cwpwe80xa8i34r8p1dym5i34c9flkp"
"MS=ms87712948"
"lucid-verification=8ck@Q6!6sVYQ#FE%Q0Gw"
"smartsheet-site-validation=a4s8HNBHow8WAd5GbwFmrPld3DWhzNvN"
"google-site-verification=pelCzFDIzufLZqrxRgW6sTxuxtVpFPo-iJWbpPw01tg"
"CCxI1uBGTpRfBPBDME2Ai9hFhi/8xYuPT4l5DKrTIoNGYITnVqr4itlfBk2F7eWNErCNVaJv5Yqb75yDHqyNyA=="
"solarwinds-service0desk-verification=a84c39ba70b1ee8e76143d608a7aa17b"

NS

4 record(s)

ns-990.awsdns-59.net.
ns-1501.awsdns-59.org.
ns-339.awsdns-42.com.
ns-1767.awsdns-28.co.uk.

SOA

1 record(s)

ns-1501.awsdns-59.org. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400

CAA

1 record(s)

0 issuewild "amazon.com"

DS

0 record(s)

—

Not configured

DNSKEY

0 record(s)

—

Not configured

RRSIG

0 record(s)

—

Not configured

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 ip4:52.61.91.9 ip4:52.0.20.102 ip4:52.2.238.96 ip4:40.92.0.0/15 ip4:67.94.7.0/24 ip4:62.225.15.98 ip4:52.222.73.83 ip4:52.222.62.51 ip4:52.222.75.85 ip4:160.1.62.192 ip4:15.200.21.50 ip4:52.20.146.34 ip4:50.31.57.204 ip4:104.47.55.110 ip4:104.47.58.110 ip4:216.33.126.11 ip4:40.107.0.0/16 ip4:52.100.0.0/14 ip4:104.47.0.0/17 ip4:217.7.197.202 ip4:3.93.157.0/24 ip4:52.222.89.228 ip4:15.200.44.248 include:_spf0000000.ascd.org ~all

DMARC

Configured

v=DMARC1; p=none; sp=none; rua=mailto:dmarc@ascd.org; ruf=mailto:dmarc@ascd.org; rf=afrf; pct=100; ri=86400

DKIM

Selector selector1

v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC3qXCXiGMw6T1L0MdOFMXm1x8ftzqNgT+LP7N4WWapbcRP1Iic6EPbZsrn2l9QIATCZF1TjbZxgPPlBpM0pNkmFNk+2mZQ38B8RMh7vlD5aVVE+00tTaAB6JDaDBp+5Hlu9TAtU3T9HMnfKIWbb3d9wbZPUWCb5v6MdoIUyAmQbwIDAQAB; n=1024,1453310691,1469035491

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

ASCD

Description

We create practical, timely, affordable professional learning to help educators and instructional leaders provide students with a modern, equitable, and quality education.

Final URL

https://ascd.org/

HTTP status

200

HTTP

Status

HTTP/2 200

Final URL

https://ascd.org/

Version

Server

nginx/1.30.3

X-Powered-By

Next.js

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Amazon

*.ascd.org

Valid from

2026-01-09T18:00:00-06:00

Valid until

2027-02-08T17:59:59-06:00

Days remaining

183

Protocol

TLSv1.3

Cipher

TLS_AES_128_GCM_SHA256

Security headers

2 active

✓

HSTSImplemented

—

Content Security PolicyNot detected

✓

X-Content-Type-OptionsImplemented

—

X-Frame-OptionsNot detected

—

Referrer PolicyNot detected

—

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

3.212.12.152, 3.82.75.80, 34.202.247.222

84,37 ms

Cloudflare

1.1.1.1

3.212.12.152, 3.82.75.80, 34.202.247.222

93,46 ms

Quad9

9.9.9.9

3.212.12.152, 3.82.75.80, 34.202.247.222

30,51 ms

OpenDNS

208.67.222.222

3.212.12.152, 3.82.75.80, 34.202.247.222

29,38 ms

AdGuard

94.140.14.14

3.212.12.152, 3.82.75.80, 34.202.247.222

283,07 ms

IP, geolocation and ASNAssociated network information

3.82.75.80

Identified

success

Yes

country

United States

country_code

region

District of Columbia

city

Washington

latitude

38.89511

longitude

-77.03637

asn

14618

organization

Amazon Data Services Northern Virginia

isp

Amazon.com, Inc.

timezone

America/New_York

3.212.12.152

Identified

success

Yes

country

United States

country_code

region

District of Columbia

city

Washington

latitude

38.89511

longitude

-77.03637

asn

14618

organization

Amazon Data Services Northern Virginia

isp

Amazon.com, Inc.

timezone

America/New_York

34.202.247.222

Identified

success

Yes

country

United States

country_code

region

District of Columbia

city

Washington

latitude

38.89511

longitude

-77.03637

asn

14618

organization

Amazon Technologies Inc.

isp

Amazon.com, Inc.

timezone

America/New_York

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

ascd-org.mail.protection.outlook.com

Port 25: Closed/unreachable - 45.3 ms - 
Port 465: Closed/unreachable - 4077.2 ms - 
Port 587: Closed/unreachable - 4021.2 ms -

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