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82
Total
80
DNS
70
Email
77
Security
85
Network
100
Availability
Domainigvita.com
IPv41
IPv61
MX records4
StatusActive
Domain technical report

Ilya Grigorik

igvita.com

Distinguished Engineer and Technical Advisor to the CEO at Shopify, on a mission to make commerce better for everyone.

Generated: 2026-08-08T21:35:54-05:00 · Cached result

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IPv41
IPv61
MX4
NS2

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

1 IPv4 address(es) detected.

✓
IPv6 (AAAA)10 / 10 pts · Dns

1 IPv6 address(es) detected.

✓
Name server redundancy20 / 20 pts · Dns

2 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

4 MX record(s).

✓
SPF25 / 25 pts · Mail

SPF policy published.

✓
DMARC25 / 25 pts · Mail

DMARC policy published.

!
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

77 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers12 / 35 pts · Security

3 of 9 evaluated headers detected.

✓
PTR reverse DNS30 / 30 pts · Network

PTR: li161-99.members.linode.com

i
IPv4 diversity20 / 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 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

1 record(s)
173.230.151.99

AAAA

1 record(s)
2600:3c01::f03c:91ff:fedf:810c

CNAME

0 record(s)
—

Not configured

MX

4 record(s)
0 aspmx.l.google.com.
10 alt2.aspmx.l.google.com.
20 aspmx2.googlemail.com.
10 alt1.aspmx.l.google.com.

TXT

5 record(s)
"v=spf1 include:aspmx.googlemail.com ~all"
"brave-ledger-verification=4e833e367f0c14901ac0ba5f98be024f99b1d43a2f7894cd2e70fea4062c2ec6"
"google-site-verification=tcVjrGqEVQNjzw4THvd3o9gyFnXPuIpgzKYCj1_c61Y"
"keybase-site-verification=4kBjfHTArv4jgNOEUD9i6jyALkVcGoT67I5C0Beuzw0"
"yandex-verification: b2aae86a23d88a31"

NS

2 record(s)
ns52.domaincontrol.com.
ns51.domaincontrol.com.

SOA

1 record(s)
ns51.domaincontrol.com. dns.jomax.net. 2022032200 28800 7200 604800 3600

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

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:aspmx.googlemail.com ~all

DMARC

Configured
v=DMARC1; p=none; rua=mailto:igrigorik@gmail.com;

DKIM

Not found
—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Ilya Grigorik
Description
Distinguished Engineer and Technical Advisor to the CEO at Shopify, on a mission to make commerce better for everyone.
Final URL
https://ilya.grigorik.com/
HTTP status
206

HTTP

Status
HTTP/2 200
Final URL
https://ilya.grigorik.com/
Version
3
Server
openresty
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Let's Encrypt
CN
igvita.com
Valid from
2026-07-27T21:13:54-05:00
Valid until
2026-10-25T21:13:53-05:00
Days remaining
77
Protocol
TLSv1.2
Cipher
ECDHE-RSA-AES256-GCM-SHA384

Security headers

3 active
✓
HSTSImplemented
—
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

Consistent
✓
Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency
Google
8.8.8.8
173.230.151.99
101,58 ms
Cloudflare
1.1.1.1
173.230.151.99
100,44 ms
Quad9
9.9.9.9
173.230.151.99
92,00 ms
OpenDNS
208.67.222.222
173.230.151.99
120,06 ms
AdGuard
94.140.14.14
173.230.151.99
85,17 ms

IP, geolocation and ASNAssociated network information

173.230.151.99

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

aspmx.l.google.com

Port 25: Closed/unreachable - 22 ms - 220 mx.google.com ESMTP 586e51a60fabf-459f1f68875si5377822fac.146 - gsmtp
Port 465: Closed/unreachable - 4018.5 ms - 
Port 587: Closed/unreachable - 4021 ms -

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