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Total

DNS

Email

Security

Network

100

Availability

Domainshmoop.com

IPv42

IPv60

MX records5

StatusActive

Domain technical report

Homework Help & Study Guides For Students | Shmoop

shmoop.com

The cozy home of your favorite free study guides and the most helpful study tools around! Check out our new digs and get the help you need!

Generated: 2026-08-11T10:52:37-05:00 · Cached result

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IPv42

IPv60

MX5

NS4

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

2 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 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

5 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

181 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: ec2-44-214-85-33.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

2 record(s)

44.214.85.33
54.159.240.117

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

5 record(s)

10 alt2.aspmx.l.google.com.
10 alt1.aspmx.l.google.com.
20 aspmx3.googlemail.com.
0 aspmx.l.google.com.
20 aspmx2.googlemail.com.

TXT

13 record(s)

"MS=5FA793AD75C70AB74C566F1A7C420C7BCACF0DF8"
"google-site-verification=ATvQ8sqYvjRBODX0oIarND8cIHMQJpBxS3qc8XUVr_Y"
"MS=ms27848326"
"apple-domain-verification=F0Js2NkAKw72T11c"
"v=spf1 include:_spf.google.com include:spf.mailengine1.com include:spf.mandrillapp.com include:servers.mcsv.net include:spfva.shmoop.com include:amazonses.com include:_spf.psm.knowbe4.com ~all"
"google-site-verification=IIvTLC-SgUleEo1zKxmjosvL65IYsuB-a_qsYgyDqFU"
"google-site-verification=-wVZLD8XYz7gyZQNYove_nyfqmACSp5LZ5OiwLgDu8Y"
"ppe-44d8fc8afa4748860bb4e80069d2a62cae06d859"
"google-site-verification=tHqUXLdEfYufYPw2ZsEq46bmI_q6FebLM6VQcT1p8p8"
"google-site-verification=Te_ZKbzLWyJq-IlhKghM7w31l1A_COJfKYXX1xUGuo8'"
"ZOOM_verify_ss6W4zF-QGKllJzU4HYvHw"
"asv=f9ef196d0d459997427e4d3eb50586ce"
"'google-site-verification=qYgsr52eC6kKkkK-R9H23wzkFC6O5Ujfi6-oGn-1u3o"

NS

4 record(s)

ns-718.awsdns-25.net.
ns-1136.awsdns-14.org.
ns-1854.awsdns-39.co.uk.
ns-389.awsdns-48.com.

SOA

1 record(s)

ns-1136.awsdns-14.org. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400

CAA

0 record(s)

—

Not configured

DS

1 record(s)

40181 13 2 22583394CE85FBCBAE25DBCBA09F405D6B64F3614D31B39A1F2CFF61 CA8FDB5E

DNSKEY

3 record(s)

257 3 13 Y4GvcO9ymcBz8gsZHXZ5CnKH+AjkG0Os013AqzVpWreHLqrODx5uGhWu 55vevT2FWSZna9O+FBSnc6YEXS0U5g==
256 3 13 GkN622/FZs0Ljmipp3RMpXv5Be5Ck+3iMam7YN4osa3ktKQGRtrALntT e7ClwACROQiJ11l9z7D+N6u6R0Go9A==
256 3 13 KnyE7iCAosGYVs2NYt7qaAtEF1Sc849igJVSN/uvq4s+xMxRpM0Kvlhz uKqcqBnJsPsaqPl9KM/ccQPsAFGbIw==

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 include:_spf.google.com include:spf.mailengine1.com include:spf.mandrillapp.com include:servers.mcsv.net include:spfva.shmoop.com include:amazonses.com include:_spf.psm.knowbe4.com ~all

DMARC

Configured

v=DMARC1; p=none;

DKIM

Selector google

v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCXtOKlwVtP93GFalXMg/ZJLS2KgVgK2Yqv1cehZVs4lexIOdUSKB0t9Z5WHqZF49BX+5wOk5T4BhT9d8BHSpNRgQLL9anBv3tG6kLWYXJ98UhkKcR8cu8oHZvM5EiF5F1uwF0zoe+GOAQc9xyuxdBaBlfwDvYHP7LGsfsmnUnJIQIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Homework Help & Study Guides For Students | Shmoop

Description

The cozy home of your favorite free study guides and the most helpful study tools around! Check out our new digs and get the help you need!

Final URL

https://www.shmoop.com/

HTTP status

200

HTTP

Status

HTTP/2 200

Final URL

https://www.shmoop.com/

Version

Server

nginx

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Amazon

shmoop.com

Valid from

2026-01-10T18:00:00-06:00

Valid until

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

Days remaining

181

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

44.214.85.33, 54.159.240.117

72,84 ms

Cloudflare

1.1.1.1

44.214.85.33, 54.159.240.117

57,97 ms

Quad9

9.9.9.9

44.214.85.33, 54.159.240.117

67,09 ms

OpenDNS

208.67.222.222

44.214.85.33, 54.159.240.117

98,62 ms

AdGuard

94.140.14.14

44.214.85.33, 54.159.240.117

82,21 ms

IP, geolocation and ASNAssociated network information

44.214.85.33

No data

success

country

region

city

asn

organization

isp

54.159.240.117

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

alt2.aspmx.l.google.com

Port 25: Closed/unreachable - 0.8 ms - 
Port 465: Closed/unreachable - 4002.8 ms - 
Port 587: Closed/unreachable - 4018.3 ms -

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