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Total

DNS

Email

Security

Network

100

Availability

Domainsendgrid.com

IPv412

IPv60

MX records1

StatusActive

Domain technical report

SendGrid Email API and Email Marketing Campaigns | Twilio

sendgrid.com

SendGrid's trusted email API and marketing campaigns platform is now available through Twilio.com.

Generated: 2026-08-09T10:47:10-05:00 · Cached result

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IPv412

IPv60

MX1

NS6

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

12 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

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

203 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers19 / 35 pts · Security

5 of 9 evaluated headers detected.

✓

PTR reverse DNS30 / 30 pts · Network

PTR: ec2-44-209-50-213.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 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

12 record(s)

44.209.50.213
54.83.169.232
44.206.70.112
3.136.127.8
54.243.224.74
3.142.214.154
18.221.40.15
54.237.12.3
18.217.167.55
52.2.178.113
18.189.137.195
3.147.218.147

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

1 record(s)

0 smtp.google.com.

TXT

16 record(s)

"ms2jsau3o1f4h802lr68bsb256"
"postman-domain-verification=06c6947dd936dddbbfe7a7e5a71b5c984a44e5ce0cadd7a8174320c42fd2f5e2f10e18590d5fbaa5f574df473f2a841a8fc6bcb4fed1ec15254845ba5aad1ab1"
"status-page-domain-verification=989qbtpx3q0r"
"facebook-domain-verification=jotjcwyly7se4q6c3xsysztxo287s9"
"anthropic-domain-verification-gjxs4q=b0anOdwQdQOCAOZGbpSFZUrIz"
"48ed3283-0038-4458-8cb0-d2e7d0a4b860"
"loaderio=dc99536e3eb902ffc82885541e224e7c"
"facebook-domain-verification=dfv1zm6tx7ues6olt99mpc58vh49qj"
"google-site-verification=-BR0U2prX8YJz74uUQygVn22zPdt86Jc5FVd5ZX6xXo"
"efd3d1covh2tjg32cohdkjof71"
"8mqpm5f9vltr3jvue71slj2j31"
"MS=ms77173225"
"dcacl5d6qbb453nflucim3hi48"
"knp3gmub9ht14m0lg24j0e5rq1"
"google-site-verification=gZJHxa9fylVS3VZ3Zl8jPTZesFDJi28bh5PQJujhez8"
"v=spf1 include:sendgrid.com._nspf.vali.email include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email include:stspg-customer.com ip4:167.89.60.95 ip4:50.31.36.205 ~all"

NS

6 record(s)

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

SOA

1 record(s)

ns10.dnsmadeeasy.com. dns.dnsmadeeasy.com. 2011112069 14400 600 1728000 180

CAA

6 record(s)

0 issue "sectigo.com"
0 issue "globalsign.com"
0 issue "letsencrypt.org"
0 issue "symantec.com"
0 issue "godaddy.com"
0 issue "amazon.com"

SSHFP

0 record(s)

—

Not configured

SPF

Configured

v=spf1 include:sendgrid.com._nspf.vali.email include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email include:stspg-customer.com ip4:167.89.60.95 ip4:50.31.36.205 ~all

DMARC

Configured

v=DMARC1; p=reject; sp=reject; pct=100; adkim=r; aspf=r; rua=mailto:dmarc_agg@vali.email,mailto:dmarc_rua@sendgrid.com; ruf=mailto:dmarc@sendgrid.com; fo=1; rf=afrf; ri=86400

DKIM

Selector s1

k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2LaY8C3pdtdkSF6C+TTYw0bIKAHt70oFeM5IAHb0aLVY7mSWmjWmPHtV6MGbr4n35ABRKpobn40DJGLU7NmjaT54TDTLLsU2DjEFi+p6VQtHdqprrbFNXt5YmQmnYdsHQ0gSe/nyb6PwoX5q92HexVxfT4/etJ+WKnOf4rk2vZplVoeiaxT5Cxench8SzFLa9u1UrJTdFHkWuVl3aR64Up2bOfR3u9uXjkvMXwX0NdjsZeF0GXi1fqUQXg8s7VriECC2TiioWcB0AWPJoGeNfgGO7O6Oj1mdLPQQJrxqzManJrKp43yS9cO+GVXCf92hPTb93nrAWQjehoRbS/rCrQIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

SendGrid Email API and Email Marketing Campaigns | Twilio

Description

SendGrid's trusted email API and marketing campaigns platform is now available through Twilio.com.

Final URL

https://www.twilio.com/en-us/sendgrid

HTTP status

206

HTTP

Status

HTTP/2 200

Final URL

https://www.twilio.com/en-us/sendgrid

Version

Server

nginx

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

GoDaddy.com, Inc.

*.sendgrid.com

Valid from

2026-02-16T03:24:34-06:00

Valid until

2027-02-28T11:29:00-06:00

Days remaining

203

Protocol

TLSv1.3

Cipher

TLS_AES_128_GCM_SHA256

Security headers

5 active

✓

HSTSImplemented

✓

Content Security PolicyImplemented

✓

X-Content-Type-OptionsImplemented

✓

X-Frame-OptionsImplemented

✓

Referrer PolicyImplemented

—

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

100.20.185.186, 35.167.223.169, 44.231.22.184, 44.241.218.131, 52.40.26.206, 54.187.184.92, 54.188.166.107, 54.213.9.126, 54.245.161.235

61,45 ms

Cloudflare

1.1.1.1

18.189.137.195, 18.217.167.55, 18.221.40.15, 3.136.127.8, 3.142.214.154, 3.147.218.147, 44.206.70.112, 44.209.50.213, 52.2.178.113, 54.237.12.3, 54.243.224.74, 54.83.169.232

52,73 ms

Quad9

9.9.9.9

18.189.137.195, 18.217.167.55, 18.221.40.15, 3.136.127.8, 3.142.214.154, 3.147.218.147, 44.206.70.112, 44.209.50.213, 52.2.178.113, 54.237.12.3, 54.243.224.74, 54.83.169.232

56,75 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

smtp.google.com

Port 25: Closed/unreachable - 53.7 ms - 220 mx.google.com ESMTP 46e09a7af769-7f35b5a8342si6212071a34.30 - gsmtp
Port 465: Closed/unreachable - 4030.7 ms - 
Port 587: Closed/unreachable - 4007.4 ms -

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