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Total

DNS

Email

Security

Network

100

Availability

Domaingroupon.com

IPv42

IPv62

MX records5

StatusActive

Domain technical report

Groupon® Official Site - Find Local Deals Near You

groupon.com

Save up to 70% on 1,000s of local restaurants, shopping, events & more. Find great deals on the best activities & things to do. Download the Groupon App today.

Generated: 2026-08-09T01:39:41-05:00 · Cached result

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IPv42

IPv62

MX5

NS3

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

2 IPv4 address(es) detected.

✓

IPv6 (AAAA)10 / 10 pts · Dns

2 IPv6 address(es) detected.

✓

Name server redundancy20 / 20 pts · Dns

3 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 propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

5 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

80 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers12 / 35 pts · Security

3 of 9 evaluated headers detected.

PTR reverse DNS0 / 30 pts · Network

PTR not detected.

✓

IPv4 diversity35 / 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

2 record(s)

104.18.13.36
104.18.12.36

AAAA

2 record(s)

2606:4700::6812:d24
2606:4700::6812:c24

CNAME

0 record(s)

—

Not configured

MX

5 record(s)

10 alt4.aspmx.l.google.com.
1 aspmx.l.google.com.
5 alt1.aspmx.l.google.com.
5 alt2.aspmx.l.google.com.
10 alt3.aspmx.l.google.com.

TXT

27 record(s)

"wiz-domain-verification=9d76786c3d81a543b60161ace1e1120754fde8e8eeff8557f4485b91ed25d267"
"globalsign-domain-verification=07WHb9OL1L7B1k5wLxz01dFkpFgFWPGNxL93IiiHnn"
"google-site-verification=bnYwipU3W9slwXzZwDq3c6zaiWpD_KiGUlJdiftfjgI"
"apple-domain-verification=6GOjopirIpRHnCxT"
"tiktok-developers-site-verification=KWAw5A9Ic1U0eTYagaheMcBqlmXsMU2Z"
"google-site-verification=i-sWGZhjAmu9-vW3J4n2RYoqr1x-pQT_hk5nShG6BGE"
"ppm5gp7f3c7tx01z9cnp88mf7vc669x3"
"MS=6FE1E7D0B585AC075F50EBE6B4BC4DC37B798AF1"
"globalsign-domain-verification=KfYynP6bj8PVQh409sknWuRVsdadYnMNb29qHr13B7"
"DirectFedAuthUrl=https://groupon.okta.com/app/groupon_pwcfederationnew_1/exk21ltiwdvA79rc61d8/sso/saml"
"atlassian-domain-verification=QIfugBKln2pS3/MW3aIctIDOP9Ncfh00zbGGrwInj4mS0CedhCHkC4gWdkx8raJa"
"google-site-verification=hkhcfNz4uIPjSMGt9ZJL-lR-UOD_6JzHDGlrjDGM2Mo"
"mandrill_verify.esh2KjqaJCaa1-KA4qm7fg"
"adobe-idp-site-verification=525ae05e-61ea-42e0-aa5c-7b772b5d1440"
"wiz-domain-verification=38911e92baad6466216aae3a3acce51e6363effe4b7e2316053fdbe8664e4d72"
"google-site-verification=6HK6n1AXDMT6VC3cCX4qjVMGjj6tX12Y74c3mfBeNL4"
"anthropic-domain-verification-5hb58r=jkWl7775XAHDiS2fMwqD6RAoz"
"twilio-domain-verification=1d755492596c51fc65fb4fbc19d64c2a"
"google-site-verification=LAePzEVB8hoONUKTNFcykITZmgGLjByjqDkC7mwiTU4"
"docker-verification=84154f8d-f1e0-4e55-b66f-6981b74cc7dc"
"onetrust-domain-verification=ff5b22486baf4fe0b8b50034143076d2"
"google-site-verification=S5RW3bm-ZPLySg_MzGpW4t-JNHgyKYrnGZKtM_a3f_4"
"google-site-verification=pbR_15RIr57-XDPO7GMJBjnwDXcPgT-Oa1-OHfMRJGE"
"pardot991802=3376ec1e838ee9e4f3b5f904c854546d2a22b266ef397d629313eee9c5bc2114"
"v=spf1 include:spf.groupon.com include:_spf.google.com include:_spf.salesforce.com include:mail.zendesk.com include:amazonses.com ~all"
"cloudflare_dashboard_sso=470ba9cd4b208e366b18f40fbbf0690f"
"facebook-domain-verification=c60imsb8lu41f5g3ajiga3ule9yhha"

NS

3 record(s)

blue.foundationdns.net.
blue.foundationdns.com.
blue.foundationdns.org.

SOA

1 record(s)

blue.foundationdns.com. dns.cloudflare.com. 2411317878 10000 2400 604800 1800

CAA

0 record(s)

—

Not configured

DS

1 record(s)

2371 13 2 F43C76687EB9BB310DF21EC0239D0EEF2FBA88F65BB3F29EA3194FC8 8C57E30C

DNSKEY

2 record(s)

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

RRSIG

6 record(s)

SOA 13 2 1800 20260810073931 20260808053931 34505 groupon.com. UWuR+Jh0z0w1VE12x5TGQk8PFLNRXi3cz4F8BQ+KZ9P1iZrm1OFVCjZy C6pAZKWMd0JABdCeH6pvn3Pcppayhw==
NS 13 2 300 20260810073928 20260808053928 34505 groupon.com. hVAgWb/NC0Taa2vhTndKXSfUkWWURktFbTqpNmUTcGFthMAOPwtnPot0 9RNHe6mp8/2TDcMWFHRJl9EnwBzS6Q==
TXT 13 2 120 20260810073931 20260808053931 34505 groupon.com. ZKBQy2E5Q9ygb8ybdHl/GTsXPEw0rreBSKQLigPyxv5FmHts1pOHvYYZ kAugIasINM0zuInfqq/NCWIf4vLRfg==
MX 13 2 300 20260810073931 20260808053931 34505 groupon.com. 2GOAxCD0g85O1y24brh3up1lD2+a/YNVRsL82zAFSEUa3NeC1gvDfBsG R80CK05wavaBDoy0pspe3xOdNNS5hw==
AAAA 13 2 300 20260810073931 20260808053931 34505 groupon.com. uPCH30inupb7eh+TaQjA2sfHzTptN0bPHA40mTiJKsj0CpcoopeMf78N /sAE18vFd0+hsanzZjVHtjSdmv4Auw==
DS 13 2 86400 20260815021712 20260808010712 41446 com. +KXLx5gphPTxF6Tl9CdoOuQiJDXwVwomEx8UoWKFY1LacXWrcq9HUQ0w z4s5O8AqJCLzTcmXp2YdPwIoIINQZw==

NSEC

1 record(s)

\000.groupon.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.groupon.com include:_spf.google.com include:_spf.salesforce.com include:mail.zendesk.com include:amazonses.com ~all

DMARC

Configured

v=DMARC1; p=reject; sp=reject; fo=1; rua=mailto:dmarc_rua@groupon.com; ruf=mailto:dmarc_ruf@groupon.com; rf=afrf; pct=100

DKIM

Selector google

v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCS2xOXWvMKKa6R8JHlfAG5qDjmKZsIa6OUW43qWXdY4OmFQ5l8qoyTnvzHVtLmIN+EAuBipP70PsyI3xlgfcg/G/n4ozKas4uaWtDxr55bXMQM4fTt+6u5FuU91GmNlvAHUy9H4LX3CsvqWUOtjrc5XTScW/8G5ozEBEshDk7sNwIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Groupon® Official Site - Find Local Deals Near You

Description

Save up to 70% on 1,000s of local restaurants, shopping, events & more. Find great deals on the best activities & things to do. Download the Groupon App today.

Final URL

https://www.groupon.com/

HTTP status

200

HTTP

Status

HTTP/2 200

Final URL

https://www.groupon.com/

Version

Server

cloudflare

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Google Trust Services

groupon.com

Valid from

2026-07-30T04:31:40-05:00

Valid until

2026-10-28T05:31:34-05:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_256_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

104.18.12.36, 104.18.13.36

65,35 ms

Cloudflare

1.1.1.1

104.18.12.36, 104.18.13.36

46,06 ms

Quad9

9.9.9.9

104.18.12.36, 104.18.13.36

35,20 ms

OpenDNS

208.67.222.222

104.18.12.36, 104.18.13.36

35,86 ms

AdGuard

94.140.14.14

104.18.12.36, 104.18.13.36

63,79 ms

IP, geolocation and ASNAssociated network information

104.18.13.36

No data

success

country

region

city

asn

organization

isp

104.18.12.36

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

alt4.aspmx.l.google.com

Port 25: Closed/unreachable - 0.9 ms - 
Port 465: Closed/unreachable - 4021.2 ms - 
Port 587: Closed/unreachable - 4021 ms -

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