WAPDNS.com

Analyze any domain

Get a complete DNS, email, SSL, HTTP and network analysis in seconds.

59
Total
70
DNS
20
Email
73
Security
70
Network
60
Availability
Domaincolab.research.google.com
IPv44
IPv64
MX records1
StatusActive
Domain technical report

Google Colab

colab.research.google.com

Generated: 2026-08-09T00:49:38-05:00 · Cached result

JSONCSVPDFVisit site
IPv44
IPv64
MX1
NS1

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

4 IPv4 address(es) detected.

✓
IPv6 (AAAA)10 / 10 pts · Dns

4 IPv6 address(es) detected.

!
Name server redundancy0 / 20 pts · Dns

1 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 propagation0 / 10 pts · Dns

Agreement between public resolvers.

✓
MX records20 / 20 pts · Mail

1 MX record(s).

!
SPF0 / 25 pts · Mail

SPF policy not found.

!
DMARC0 / 25 pts · Mail

DMARC policy not found.

!
DKIM0 / 20 pts · Mail

No tested DKIM selector responded.

!
MTA-STS0 / 5 pts · Mail

Mail transport policy.

!
TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓
Valid TLS certificate55 / 55 pts · Security

64 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers8 / 35 pts · Security

2 of 9 evaluated headers detected.

!
PTR reverse DNS0 / 30 pts · Network

PTR not detected.

✓
IPv4 diversity35 / 35 pts · Network

Two or more IPv4 addresses receive full points.

✓
IPv6 connectivity35 / 35 pts · Network

AAAA availability.

✓
DNS resolution40 / 40 pts · Availability

At least one address family must resolve.

!
HTTP response0 / 40 pts · Availability

HTTP/2 405

✓
HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

5 record(s)
colab-alv.research.google.com.
216.239.34.180
216.239.36.180
216.239.38.180
216.239.32.180

AAAA

5 record(s)
colab-alv.research.google.com.
2001:4860:4802:38::180
2001:4860:4802:34::180
2001:4860:4802:32::180
2001:4860:4802:36::180

CNAME

1 record(s)
colab-alv.research.google.com.

MX

1 record(s)
colab-alv.research.google.com.

TXT

1 record(s)
colab-alv.research.google.com.

NS

1 record(s)
colab-alv.research.google.com.

SOA

1 record(s)
colab-alv.research.google.com.

CAA

1 record(s)
colab-alv.research.google.com.

DS

1 record(s)
colab-alv.research.google.com.

DNSKEY

1 record(s)
colab-alv.research.google.com.

RRSIG

0 record(s)
—

Not configured

NSEC

0 record(s)
—

Not configured

NSEC3

1 record(s)
colab-alv.research.google.com.

SRV

1 record(s)
colab-alv.research.google.com.

NAPTR

1 record(s)
colab-alv.research.google.com.

TLSA

1 record(s)
colab-alv.research.google.com.

SSHFP

1 record(s)
colab-alv.research.google.com.

SPF

Not configured
—

Not configured

DMARC

Not configured
—

Not configured

DKIM

Not found
—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Google Colab
Description
Final URL
https://colab.research.google.com/
HTTP status
200

HTTP

Status
HTTP/2 405
Final URL
https://colab.research.google.com/
Version
3
Server
TornadoServer/6.5.7
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Google Trust Services
CN
misc-sni.google.com
Valid from
2026-07-20T13:06:29-05:00
Valid until
2026-10-12T13:06:28-05:00
Days remaining
64
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384

Security headers

2 active
—
HSTSNot detected
—
Content Security PolicyNot detected
✓
X-Content-Type-OptionsImplemented
✓
X-Frame-OptionsImplemented
—
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

Review
!
Differences detected

5 public resolvers queried.

ResolverServerResultLatency
Google
8.8.8.8
216.239.32.180, 216.239.34.180, 216.239.36.180, 216.239.38.180
55,12 ms
Cloudflare
1.1.1.1
172.253.112.100, 172.253.112.101, 172.253.112.102, 172.253.112.113, 172.253.112.138, 172.253.112.139
45,83 ms
Quad9
9.9.9.9
216.239.32.180, 216.239.34.180, 216.239.36.180, 216.239.38.180
55,06 ms
OpenDNS
208.67.222.222
216.239.32.180, 216.239.34.180, 216.239.36.180, 216.239.38.180
49,52 ms
AdGuard
94.140.14.14
216.239.32.180, 216.239.34.180, 216.239.36.180, 216.239.38.180
108,59 ms

IP, geolocation and ASNAssociated network information

216.239.34.180

No data
success
No
country
region
city
asn
organization
isp

216.239.36.180

No data
success
No
country
region
city
asn
organization
isp

216.239.38.180

No data
success
No
country
region
city
asn
organization
isp

216.239.32.180

No data
success
No
country
region
city
asn
organization
isp

Visitor information

Visitor
ip
216.73.217.62
reverse
country
country_code
region
city
latitude
longitude
isp
organization
asn
timezone
browser
Other
os
Other
language
user_agent
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
is_bot
Yes
cloudflare
No

SMTPEmail port connectivity

colab-alv.research.google.com

Port 25: Closed/unreachable - 4033 ms - 
Port 465: Closed/unreachable - 4005.4 ms - 
Port 587: Closed/unreachable - 4017.7 ms -

Recently analyzed domains

View all →
apnic.net95asso.fr4uol.de83fl.us4www.news.bbc.co.uk4mn.us4bc.ca4chiba.jp4active24.cz95googletagmanager.com66