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Total

DNS

Email

Security

Network

Availability

Domainsendgrid.net

IPv46

IPv60

MX records2

StatusActive

Domain technical report

404 Not Found

sendgrid.net

Generated: 2026-08-08T22:36:38-05:00 · Cached result

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IPv46

IPv60

MX2

NS6

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

6 IPv4 address(es) detected.

IPv6 (AAAA)0 / 10 pts · Dns

0 IPv6 address(es) detected.

✓

Name server redundancy20 / 20 pts · Dns

6 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 policy5 / 5 pts · Dns

Certificate authority restriction.

DNS propagation0 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

2 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

126 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: ec2-3-220-122-174.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 response0 / 40 pts · Availability

HTTP/1.1 404 Not Found

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

6 record(s)

3.220.122.174
18.224.219.179
54.158.174.185
3.231.179.208
3.20.87.51
3.20.194.73

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

2 record(s)

10 mx.sendgrid.net.
20 mx2.sendgrid.net.

TXT

11 record(s)

"6ifgg010qg6mquqt5lodun8qds"
"v=spf1 ip4:167.89.0.0/17 ip4:208.117.48.0/20 ip4:50.31.32.0/19 ip4:198.37.144.0/20 ip4:198.21.0.0/21 ip4:192.254.112.0/20 ip4:168.245.0.0/17 ip4:149.72.0.0/16 ip4:159.183.0.0/16 ip4:134.128.64.0/19 ip4:134.128.96.0/19 include:ab.sendgrid.net ~all"
"5m3r13nvilmq8tgf5foh6ki1uv"
"google-site-verification=1UEf8ey-RibUjY6gnpqIZFjWNqMknmeyeHz1zTmj0DE"
"i52uk89q4nfe1mpgqv5qsmsj3j."
"yahoo-verification-key=TrufSXS+dfythA5AIMbLUnkX38rjr1HR93gbqHUSY74="
"p8bnb2lp424dkl3c4io1aemiei"
"l8bqrl0r33q4joeb79q8uuj009"
"utjqqjvmeadmlva41ectre9gd3"
"mailru-verification: 2e3995fa8a7d00e0"
"cemmvnbghpsb500d7c19e35fgm"

NS

6 record(s)

ns13.dnsmadeeasy.com.
ns14.dnsmadeeasy.com.
ns12.dnsmadeeasy.com.
ns15.dnsmadeeasy.com.
ns10.dnsmadeeasy.com.
ns11.dnsmadeeasy.com.

SOA

1 record(s)

ns10.dnsmadeeasy.com. dns.dnsmadeeasy.com. 2011298717 14400 600 1728000 180

CAA

3 record(s)

0 issue "godaddy.com"
0 issue "letsencrypt.org"
0 issue "amazonaws.com"

SSHFP

0 record(s)

—

Not configured

SPF

Configured

v=spf1 ip4:167.89.0.0/17 ip4:208.117.48.0/20 ip4:50.31.32.0/19 ip4:198.37.144.0/20 ip4:198.21.0.0/21 ip4:192.254.112.0/20 ip4:168.245.0.0/17 ip4:149.72.0.0/16 ip4:159.183.0.0/16 ip4:134.128.64.0/19 ip4:134.128.96.0/19 include:ab.sendgrid.net ~all

DMARC

Configured

v=DMARC1; p=reject; sp=reject; rua=mailto:dmarc_agg@vali.email; rf=afrf; pct=100

DKIM

Selector s1

k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwzNsUhqO6qMM/botbDwUHE/zCmOmgl66HSOVP44Xc6/XG5UlgaYleREQHLjxYGpZVPPwHpotux3BquJY8RloNy+mCnVAfx9xsqE+ENCU5/Qr9AbeFLO/ckUARaNUlSaLuxs70Cs2raA+RL3I5Info7doju0Fy1RUyHOZMGmGbmRSFaZd6VQ3qjmv+IT8AOYjiOqr/Izr8FW4PUkqKSY+120gZexOW7kBhHesWdsS9YjDePXCZ40uwKr5y9NMs+hQG4rnrMoCMS4QUCqucpL/saG4kUt+ocEISWx7dOIZR22AU4CfVzJsc1iFA7e8HWPUj5nWKDLlR1zjr7YFA6n43wIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

404 Not Found

Description

Final URL

https://sendgrid.net/

HTTP status

404

HTTP

Status

HTTP/1.1 404 Not Found

Final URL

https://sendgrid.net/

Version

Server

nginx

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

GoDaddy.com, Inc.

*.sendgrid.net

Valid from

2026-05-29T06:43:01-05:00

Valid until

2026-12-13T05:43:01-06:00

Days remaining

126

Protocol

TLSv1.2

Cipher

ECDHE-RSA-AES128-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

Review

Differences detected

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

44.228.207.192, 44.245.147.253, 52.39.173.225

34,57 ms

Cloudflare

1.1.1.1

18.224.219.179, 3.20.194.73, 3.20.87.51, 3.220.122.174, 3.231.179.208, 54.158.174.185

18,93 ms

Quad9

9.9.9.9

44.228.207.192, 44.245.147.253, 52.39.173.225

23,24 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

mx.sendgrid.net

Port 25: Closed/unreachable - 8.6 ms - 
Port 465: Closed/unreachable - 4021.9 ms - 
Port 587: Closed/unreachable - 4020 ms -

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