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Total

DNS

Email

Security

Network

100

Availability

Domaindiscover.com

IPv41

IPv60

MX records2

StatusActive

Domain technical report

Discover - Personal Banking, Credit Cards & Loans

discover.com

Discover offers online banking, reward credit cards, home equity loans, and personal loans to help meet your financial needs.

Generated: 2026-08-09T07:52:21-05:00 · Cached result

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IPv41

IPv60

MX2

NS6

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

6 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 policy0 / 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

171 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers16 / 35 pts · Security

4 of 9 evaluated headers detected.

✓

PTR reverse DNS30 / 30 pts · Network

PTR: a23-213-114-86.deploy.static.akamaitechnologies.com

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 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)

23.213.114.86

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

2 record(s)

10 mxb-001d7a03.gslb.pphosted.com.
10 mxa-001d7a03.gslb.pphosted.com.

TXT

18 record(s)

"adobe-idp-site-verification=7f07dde30af8df4fd20d31d40218629bf64f7526c0167389c85b97afe9fbfba6"
"google-site-verification=VbNflIwyH0KM0Td8gC-bDXZKnC8cZ6IpYurg5LRs65o"
"jamf-site-verification=_KaTb5rtYKzVLTIrdhYvjQ"
"segment-site-verification=rGSHgJVcEYlpxLyjEyTPWbUGz5v9VQ6V"
"segment-site-verification=4buUSoY7ujgHSrmewrfwcxWf6YtjSQAJ"
"mongodb-site-verification=eTTHxouNWqnRHzQEjrqlvYEITei4I1tB"
"atlassian-domain-verification=ZRP73NoVRbStETwopgeDhJUz4YP/WitUqaGB2j8LbZ0eBBhnDYtpHVaCFCfG1lsj"
"smartsheet-site-validation=Iv9fVsrnPZvM4cBbmLjkfbHVhq2K0_2i"
"_g388o34hath14j4pf1ekm9iaceu58vo"
"onetrust-domain-verification=64cd9b1790f24b6290cd627d4e90c9bc"
"google-site-verification=Ck4DD5rX8PTce9sLBn5-bOTFRXuqZ4ri3HndolHcLvs"
"v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all"
"onetrust-domain-verification=0c4765e5156f4e78b36dc2f1d305673a"
"miro-verification=83418712c8125e0254c79b098863f8659af6930c"
"cisco-ci-domain-verification=272cdfb51736fedef16cfe09950f59b883d3a08d89829f5a8956f7aa4b719fc9"
"_d6aqcjzs5txrqj0125eswqllz7mm1d0"
"_1h7bzdi6q327dia70hkvwtglrqxeals"
"liveramp-site-verification=jX1k2k5MDwCmq1tnItOg2-YG2a_PyoJqBChf0Sz9MIk"

NS

6 record(s)

a5-67.akam.net.
a1-23.akam.net.
a4-64.akam.net.
a8-66.akam.net.
a3-64.akam.net.
a6-65.akam.net.

SOA

1 record(s)

a1-23.akam.net. techadmin.discover.com. 2780200339 1200 180 1209600 60

CAA

0 record(s)

—

Not configured

DS

2 record(s)

31548 13 2 59233A46B4F03D2730DBCD52C724D4FCC82DD15B01ADC0216934BE77 930EFE03
37241 13 2 2A0B4782B732AEC9B761739792BFFA29BD2FB2164309F19E68758B48 243C6C02

DNSKEY

4 record(s)

257 3 13 AM/6ACkvQF+0v2NcgKOrx3E2bWss9udFUb3BInpDBcLRUWe7nirDe+sP N/VXm65AtV8kscJ+CZVFl8yg34ftCw==
257 3 13 5JXUuiVtyvRIfpVoaQndR1GsetcMGI9GNuRWlt8KLF4hhj1DlMYi7OnQ c3ckwC+aJuCAzWrPV6wZGkRfQMAR/Q==
256 3 13 wJI0+2dImomfTXiPrshfG6EZ99FnGoaffma0Ejd5+FYUTmmU6zSF/N7q /lAvgTVqq/BLF+LbXQjYNV654WY0mQ==
256 3 13 Z2EemDpuBx8MDBo6zIdZfvNNzDqY9OC/z6u5AOxjiBnMABc7q4CUfytL Gcyfipyn1byOBPXnLyHQGQNmSXhswQ==

RRSIG

3 record(s)

NS 13 2 86400 20260811162726 20260808152726 48947 discover.com. azt+s/0E7IhdYOFUaKPy8wK5IR+U3FvC7kG4jZ35SiMa+hexeep7E6zp 7m5MNNCW56DxxXa1QwUsEVv8aFe3KA==
SOA 13 2 3600 20260811162726 20260808152726 48947 discover.com. CCZyjfUmwFqQbSPKBtM5eUJ1SCPYCmJz4ADTZNUb1PLBJLcGYNFdg4kr jchEIi0rHAn6oOUTeRFBWL9aBbKa/Q==
DS 13 2 86400 20260816023142 20260809012142 41446 com. YRhlQVdSBE6ExGYtr/OBBSQRK+nf5Elnf4rXFdjqgQkMNViLhsA5wSoc kvn2SYoV9qHOi28YB3sE6jnwXdFbBA==

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:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all

DMARC

Configured

v=DMARC1; p=quarantine; rua=mailto:dmarc_agg@vali.email,mailto:dmarc_rua@discover.com; ruf=mailto:dmarc_ruf@discover.com; fo=1

DKIM

Selector default

v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxf6SCaZIEsIu62n2voxAV0JLNF5Z4/Fhxy/0wuoja7FT1I9irGP7hmF7UdRLu1smWmfdAOJTFXmLmX53ct1ShwWy77fZKkxFBQ6qnwrBMhhKnTPJ9CrUQ3Sgu6mT24K50kd6QB3v86UXdQRGA82HLqMA0YefzXEvwdPAxr7bbVmzlaeo2yoQxlz7UGUsd/44Fy48BtVun1mbdtevD2ZCcFp0O3ZZhNUagGKWQVdsEEJWoGTMNSdk08U37oMrdyTlNmJNgQTGpCYpbw/q9Qd8p5HaY5hC7VD5YhTcAgh0QjY1kUnY+CwVm7xAtXBs5WdB5EmUOq+87omnrvG1K22EVQIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Discover - Personal Banking, Credit Cards & Loans

Description

Discover offers online banking, reward credit cards, home equity loans, and personal loans to help meet your financial needs.

Final URL

https://www.discover.com/

HTTP status

206

HTTP

Status

HTTP/2 200

Final URL

https://www.discover.com/

Version

Server

Apache

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

DigiCert Inc

www.discover.com

Valid from

2026-07-12T19:00:00-05:00

Valid until

2027-01-27T17:59:59-06:00

Days remaining

171

Protocol

TLSv1.3

Cipher

TLS_AES_256_GCM_SHA384

Security headers

4 active

✓

HSTSImplemented

✓

Content Security PolicyImplemented

✓

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

Review

Differences detected

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

23.213.114.86

71,00 ms

Cloudflare

1.1.1.1

23.213.114.86

43,96 ms

Quad9

9.9.9.9

23.51.162.97

162,50 ms

OpenDNS

208.67.222.222

23.213.114.86

32,85 ms

AdGuard

94.140.14.14

104.90.81.188

58,65 ms

IP, geolocation and ASNAssociated network information

23.213.114.86

No data

success

country

region

city

asn

organization

isp

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

mxb-001d7a03.gslb.pphosted.com

Port 25: Closed/unreachable - 28.7 ms - 
Port 465: Closed/unreachable - 21.6 ms - 
Port 587: Closed/unreachable - 44.9 ms -

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