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Total

DNS

Email

Security

Network

100

Availability

Domainrobbast.nl

IPv44

IPv60

MX records0

StatusActive

Domain technical report

Rob Bast | Nerd for Hire

robbast.nl

Rob Bast, Nerd for Hire.

Generated: 2026-08-10T03:19:49-05:00 · Cached result

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IPv44

IPv60

MX0

NS3

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

4 IPv4 address(es) detected.

IPv6 (AAAA)0 / 10 pts · Dns

0 IPv6 address(es) detected.

✓

Name server redundancy20 / 20 pts · Dns

3 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 propagation10 / 10 pts · Dns

Agreement between public resolvers.

MX records0 / 20 pts · Mail

0 MX record(s).

✓

SPF25 / 25 pts · Mail

SPF policy published.

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

47 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers0 / 35 pts · Security

0 of 9 evaluated headers detected.

✓

PTR reverse DNS30 / 30 pts · Network

PTR: cdn-185-199-108-153.github.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

4 record(s)

185.199.108.153
185.199.109.153
185.199.110.153
185.199.111.153

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

0 record(s)

—

Not configured

TXT

2 record(s)

"v=spf1 ip4:83.87.70.79 ip4:77.72.148.2 include:_spf.transip.email ~all"
"keybase-site-verification=NMFFQVN1B1Cp_OrJWUjc_HCdYIJnxAt0nf7SSkQbgiM"

NS

3 record(s)

ns0.transip.net.
ns1.transip.nl.
ns2.transip.eu.

SOA

1 record(s)

ns0.transip.net. hostmaster.transip.nl. 2024041200 86400 1800 2419200 300

CAA

1 record(s)

0 issue "letsencrypt.org"

DS

1 record(s)

15206 13 2 BEAEA85F92FB058BA913994F218CB65449CC5BA64AE9570EA4A8D369 9C57B9C5

DNSKEY

2 record(s)

256 3 13 XrLbcmMZnEOfuE4KbmxYFSj1OUsL51wLsHoGpUNzxwJ6Mtq/LmhFq7Lb 2C2ZXfKZC1OL+jQ8sx+v7vKHEbVklg==
257 3 13 W8MvGxorQk1T0VuHis/oPP3zjBE4ILS7uX6OyZoJR8bmm/vKBmQaI9Nx KWwCl2evId4mmXabVdwEwPims8Zccw==

RRSIG

6 record(s)

SOA 13 2 3600 20260820000000 20260730000000 62734 robbast.nl. raWGM1KZPRsauWYu5GXixV+lwnBg7dw29Gzcqan5xEGKnKcZjnz9vHQa XS4UrvZSs6Bkihw8BAoMTPbOCtJ4XA==
NS 13 2 86400 20260820000000 20260730000000 62734 robbast.nl. 33mh9HHek6LYBrHUf1cdAW3aW2eDzvLZ1Ah/nagpxxSYhX2XEIqeVX0j LlEBN228Lfh/sEkYqhhF9rPRhesCmA==
TXT 13 2 300 20260820000000 20260730000000 62734 robbast.nl. kGpl7bNXuYgZ7tgAbP+mYdnNw63dKOAzV48OwR5PvbBX6MkoRajHYNgC 32UBCpPXBbG/UekNd3nTB+10WGMjQw==
A 13 2 300 20260820000000 20260730000000 62734 robbast.nl. gyU4lDtd52lrCw9XbZWX7YZMywkqtDJAGmsgP/nTT0LHeWm58IIyjDm+ y7wjAilXRAWP/BSAffIKpASr4pVBOQ==
DS 13 2 3600 20260902123617 20260805220821 467 nl. OiVrVegT+IXfMNKuc7AYl0RMGUFt5R+hHbt5ko677HeaF33GWLZGRzYJ 0GwaIirENWVlvtRzir3iVLv66U1T4A==
CAA 13 2 300 20260820000000 20260730000000 62734 robbast.nl. fuU3yLAYhIyLMNtrptqen4QgLYnJK0eF/hi3DQiK1JPRzHNDoNiwSZ27 YXIPYq5oZk/Jk2eFtVoKQmIXfdzOAg==

SPF

Configured

v=spf1 ip4:83.87.70.79 ip4:77.72.148.2 include:_spf.transip.email ~all

DMARC

Not configured

—

Not configured

DKIM

Not found

—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Rob Bast | Nerd for Hire

Description

Rob Bast, Nerd for Hire.

Final URL

https://robbast.nl/

HTTP status

206

HTTP

Status

HTTP/2 200

Final URL

https://robbast.nl/

Version

Server

GitHub.com

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Let's Encrypt

robbast.nl

Valid from

2026-06-28T08:57:52-05:00

Valid until

2026-09-26T08:57:51-05:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_128_GCM_SHA256

Security headers

0 active

—

HSTSNot detected

—

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

185.199.108.153, 185.199.109.153, 185.199.110.153, 185.199.111.153

257,56 ms

Cloudflare

1.1.1.1

185.199.108.153, 185.199.109.153, 185.199.110.153, 185.199.111.153

253,45 ms

Quad9

9.9.9.9

185.199.108.153, 185.199.109.153, 185.199.110.153, 185.199.111.153

249,62 ms

OpenDNS

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

robbast.nl

Port 25: Closed/unreachable - 0.9 ms - 
Port 465: Closed/unreachable - 4019 ms - 
Port 587: Closed/unreachable - 4018.1 ms -

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