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Total

DNS

Email

Security

Network

Availability

Domaincorning.com

IPv41

IPv60

MX records1

StatusActive

Domain technical report

Access Denied

corning.com

Generated: 2026-08-09T18:17:02-05:00 · Cached result

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IPv41

IPv60

MX1

NS2

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

1 IPv4 address(es) detected.

IPv6 (AAAA)0 / 10 pts · Dns

0 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 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 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

150 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 DNS0 / 30 pts · Network

PTR not detected.

IPv4 diversity20 / 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/2 403

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)

103.41.69.163

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

1 record(s)

10 corning-com.mail.protection.outlook.com.

TXT

28 record(s)

"successfactors-site-verification=YTBmNDNmY2MxNTNiODk5NjQ5N2ZkMTlmMDVkZTQzNzYzYjZmMzk5NWI2MTQzYmU3NjJjZjgwYTg3YjVlYmYzMQ=="
"workplace-domain-verification=Km35h4ef138yEgks6E5V4KlXexAPcq"
"cloudflare_dashboard_sso=43f5093a654e6ce1a7dbb77bddc28afd"
"ciscocidomainverification=5712966beeda6475fa223c8eda755b0cfb692e4e47779c48b46583bb02af3666"
"google-site-verification=6W8FnwUhmxm_Mtq5H3Y2ZXYWmSimPcQt0xfP7Lsd-Rs"
"docusign=73b36634-090f-42c2-bb64-f727b84ab70f"
"docusign=405d2237-a94b-4bb3-a7b2-e1398a194f13"
"_709t2vqtjfhbizmbzppb93u1fywt1f6"
"xcfb91frsjxsq69g2dz38f1hr8jv0qzc"
"_no8jp5446osj8l1zliqalao09tov7la"
"_7pxbq35pyf9m66ix3ait3kqgrps5eil"
"amazonses:UFHNc8ECj0tTPt2wp02ndjfgmUt432RO1Q8N/PoCkPM="
"aa31e3139f0a4e98bee011d1448ceed1"
"_m0lwmauk8c6weigg7cfcl8g2tzxejvb"
"google-site-verification=7BQ_kLJ_vs_9JZ0xPv9jPX7R_VtbUQd0iNjM50KSXdQ"
"apple-domain-verification=Ay4hIMnnSke71wxI"
"MS=ms30076675"
"v=spf1 include:_spf-dc4.sapsf.com include:everbridge.net include:spf.protection.outlook.com include:_spf.salesforce.com include:mktomail.com include:ipreomail.com -all"
"onetrust-domain-verification=95521d9ceccc47f193c403683c22938c"
"google-site-verification=bdk0GuUJYu4cnr8Ax2OTtMbeqIaCwRXsPmlbpjW-ISQ"
"atlassian-domain-verification=yN9XbuCKFP1mILHv7wnqR2n/gJd3lOC5ZZF/RH9xM2NPvBTFNWFe67989pQ/E6K3"
"lfp4sjwhq1xk1xtpgxyytt8wbsj04k9y"
"airtable-verification=af60552cb483ecca7f198741c0748331"
"slack-domain-verification=A2KKzi9WQGVbzGZ9ImbUs6LYCSzCJRRkJS2KEOyf"
"adobe-idp-site-verification=09f2de5e52bdea045e27ee583d25377435a8707f8931858f7d92b1da51788940"
"jamf-site-verification=vDEV2KHhKGqsKp6LbSy5Hw"
"docker-verification=dedd3e09-5c4d-4c12-bcd1-d499069350e7"
"ibmid=19ab3968-155b-4942-9100-5988165b0938"

NS

2 record(s)

renan.ns.cloudflare.com.
amalia.ns.cloudflare.com.

SOA

1 record(s)

amalia.ns.cloudflare.com. dnsadmin.corning.com. 2411766820 10000 1200 604800 1800

CAA

11 record(s)

0 issuewild "ssl.com"
0 issue "pki.goog; cansignhttpexchanges=yes"
0 issue "letsencrypt.org"
0 issue "digicert.com; cansignhttpexchanges=yes"
0 issuewild "comodoca.com"
0 issuewild "digicert.com; cansignhttpexchanges=yes"
0 issuewild "letsencrypt.org"
0 issue "ssl.com"
0 issuewild "pki.goog; cansignhttpexchanges=yes"
0 issuevmc "digicert.com"
0 issue "comodoca.com"

DS

1 record(s)

2371 13 2 071A000909F26BD2EB21E31AF2B2EF3F97DA86527CA2A014E9D1492B 7E5FED21

DNSKEY

2 record(s)

257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+ KkxLbxILfDLUT0rAK9iUzy1L53eKGQ==
256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8 KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==

RRSIG

0 record(s)

—

Not configured

NSEC

1 record(s)

\000.corning.com. A NS SOA PTR HINFO MX TXT AAAA LOC SRV NAPTR CERT SSHFP RRSIG NSEC DNSKEY TLSA SMIMEA HIP CDS CDNSKEY OPENPGPKEY SVCB HTTPS URI CAA

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:_spf-dc4.sapsf.com include:everbridge.net include:spf.protection.outlook.com include:_spf.salesforce.com include:mktomail.com include:ipreomail.com -all

DMARC

Configured

v=DMARC1;p=reject;rua=mailto:itsecurity@corning.com;

DKIM

Selector selector1

v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzz7gt7MVL975YWvJQnH6OkkIXqXX5VIN6yT9H6a7ctKYkJsiiFJG7tB90ambeTm3MyNM/SB4mwtvfsDzzvS2/AF2fDb/JMlHDPR5mfFhg1FNBnNQbOFue0hVYbGyrpM2n3ivTIt9bmTuE9iD/zAIVKuvvtiS41kpS6zzNJTqOV4cdOGclIzTcdbR2xe/6nHcyGUQwepoxacMggLrJWyD1VGx45UkavFzCGUQm7kRb3unZFemBIEvP2+R6JbIgFWGaYGYcYHRg4N0xiokU4H79Rs/Gae8UD/wUMU0v5BmrQcTH8N5FmkN05BA+gP3l/XLyFdrqk8sve2p27wMPTigIQIDAQAB;

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Access Denied

Description

Final URL

https://corning.com/

HTTP status

403

HTTP

Status

HTTP/2 403

Final URL

https://corning.com/

Version

Server

AkamaiGHost

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

DigiCert Inc

www.corning.com

Valid from

2026-01-04T18:00:00-06:00

Valid until

2027-01-06T17:59:59-06:00

Days remaining

150

Protocol

TLSv1.3

Cipher

TLS_AES_256_GCM_SHA384

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

103.41.69.163

75,91 ms

Cloudflare

1.1.1.1

103.41.69.163

55,14 ms

Quad9

9.9.9.9

103.41.69.163

51,16 ms

OpenDNS

208.67.222.222

103.41.69.163

30,25 ms

AdGuard

94.140.14.14

103.41.69.163

43,73 ms

IP, geolocation and ASNAssociated network information

103.41.69.163

Identified

success

Yes

country

United States

country_code

region

Massachusetts

city

Boston

latitude

42.3588336

longitude

-71.0578303

asn

213120

organization

Akamai Technologies, Inc.

isp

Akamai International B.V.

timezone

America/New_York

Visitor information

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

corning-com.mail.protection.outlook.com

Port 25: Closed/unreachable - 20.6 ms - 
Port 465: Closed/unreachable - 4029.3 ms - 
Port 587: Closed/unreachable - 4014 ms -

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