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Total

DNS

Email

Security

Network

100

Availability

Domainbigmarker.com

IPv41

IPv60

MX records1

StatusActive

Domain technical report

BigMarker - Modern, No-Download Webinar Software

bigmarker.com

BigMarker combines powerful webinar software with robust marketing features to create the world’s first end-to-end webinar solution.

Generated: 2026-08-10T21:54:26-05:00 · Cached result

JSON CSV PDF Visit site

IPv41

IPv60

MX1

NS4

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

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 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

155 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers4 / 35 pts · Security

1 of 9 evaluated headers detected.

✓

PTR reverse DNS30 / 30 pts · Network

PTR: ec2-3-235-65-215.compute-1.amazonaws.com

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)

3.235.65.215

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

1 record(s)

0 bigmarker-com.mail.protection.outlook.com.

TXT

2 record(s)

"v=spf1 redirect=bigmarker.com.hosted.spf-report.com"
"hubspot-developer-verification=ZGVkODczODctMDM1Zi00NDRiLTg2OGEtOWJkMDYyYzcwZTI0"

NS

4 record(s)

ns-1376.awsdns-44.org.
ns-48.awsdns-06.com.
ns-1924.awsdns-48.co.uk.
ns-757.awsdns-30.net.

SOA

1 record(s)

ns-757.awsdns-30.net. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400

CAA

0 record(s)

—

Not configured

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

2 record(s)

100 1 443 sipdir.online.lync.com.
100 1 5061 sipfed.online.lync.com.

NAPTR

0 record(s)

—

Not configured

TLSA

0 record(s)

—

Not configured

SSHFP

0 record(s)

—

Not configured

SPF

Configured

v=spf1 redirect=bigmarker.com.hosted.spf-report.com

DMARC

Configured

v=DMARC1; p=quarantine;pct=25; rua=mailto:2ddf4956@mxtoolbox.dmarc-report.com; ruf=mailto:2ddf4956@forensics.dmarc-report.com;

DKIM

Selector selector1

v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCukz8O3OwBGc0ylK39kaE+9VZk1PynQp5IYZB8qJiIkWZOjPA3jVH3+xLpUsbY6jwJThCjZDx+XJS1jDrnGL7NBp+SS1YDA+h+9TO5X9xUZSyZX3TBJQBxX4oVUCg9m2P5vxSCD4TSFk7Fy3we10QX32KPJJHTCR0ZyoU7En2rhwIDAQAB; n=1024,1453593608,1469318408

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

BigMarker - Modern, No-Download Webinar Software

Description

BigMarker combines powerful webinar software with robust marketing features to create the world’s first end-to-end webinar solution.

Final URL

https://www.bigmarker.com/

HTTP status

200

HTTP

Status

HTTP/1.1 200 OK

Final URL

https://www.bigmarker.com/

Version

Server

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

GoDaddy.com

*.bigmarker.com

Valid from

2026-06-29T06:05:08-05:00

Valid until

2027-01-13T05:05:08-06:00

Days remaining

155

Protocol

TLSv1.3

Cipher

TLS_AES_256_GCM_SHA384

Security headers

1 active

✓

HSTSImplemented

—

Content Security PolicyNot detected

—

X-Content-Type-OptionsNot detected

—

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

3.235.65.215

63,77 ms

Cloudflare

1.1.1.1

3.235.65.215

57,72 ms

Quad9

9.9.9.9

3.235.65.215

87,28 ms

OpenDNS

208.67.222.222

3.235.65.215

54,79 ms

AdGuard

94.140.14.14

3.235.65.215

92,23 ms

IP, geolocation and ASNAssociated network information

3.235.65.215

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

bigmarker-com.mail.protection.outlook.com

Port 25: Closed/unreachable - 20.7 ms - 
Port 465: Closed/unreachable - 4056.5 ms - 
Port 587: Closed/unreachable - 4019.2 ms -

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