groupon.dk DNS records

🖥️ Nameservers3 records 53ms

Nameserver	IP addresses	PTR	ASN / ISP
blue.foundationdns.com	108.162.198.1 162.159.60.1 172.64.40.1 2606:4700:57::6ca2:c601 2803:f800:52::a29f:3c01 2a06:98c1:56::ac40:2801	blue.foundationdns.com blue.foundationdns.com blue.foundationdns.com blue.foundationdns.com blue.foundationdns.com blue.foundationdns.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
blue.foundationdns.net	108.162.198.31 162.159.60.31 172.64.40.31 2606:4700:57::6ca2:c61f 2803:f800:52::a29f:3c1f 2a06:98c1:56::ac40:281f	blue.foundationdns.net blue.foundationdns.net blue.foundationdns.net blue.foundationdns.net blue.foundationdns.net blue.foundationdns.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
blue.foundationdns.org	108.162.198.61 162.159.60.61 172.64.40.61 2606:4700:57::6ca2:c63d 2803:f800:52::a29f:3c3d 2a06:98c1:56::ac40:283d	blue.foundationdns.org blue.foundationdns.org blue.foundationdns.org blue.foundationdns.org blue.foundationdns.org blue.foundationdns.org	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.18.28.160	300s	—	AS13335	Cloudflare, Inc.	104.16.0.0/14	—	—
104.18.29.160	300s	—	AS13335	Cloudflare, Inc.	104.16.0.0/14	—	—

📧 MX Records1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	104.18.28.160
🔶 Autoconfig	104.18.29.160

🔷 AAAA Records (IPv6)2 records 43ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700::6812:1ca0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	🇺🇸 United States	—
2606:4700::6812:1da0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	🇺🇸 United States	—

🔐 HTTPS Records1 records 49ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.18.28.160,104.18.29.160 ipv6hint=2606:4700::6812:1ca0,2606:4700::6812:1da0

📝 TXT Records1 records 215ms

TXT Record
v=spf1 -all

✉️ SPF

Policy	Record (groupon.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.groupon.dk)
p=reject	v=DMARC1; p=reject; sp=reject; fo=1; rua=mailto:dmarc_rua@groupon.com; ruf=mailto:dmarc_ruf@groupon.com; rf=afrf; pct=100

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC73ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2412169927
Primary NS (MNAME)	blue.foundationdns.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

53ms

A

49ms

MX

40ms

AAAA

43ms

TXT

215ms

CAA

47ms

HTTPS

49ms

TLSA

63ms

SOA

0ms

MTA-STS

64ms

DNSSEC

73ms

SRV

75ms

Total

624ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 06:39:06	624ms	3 NS 2 A 1 MX	🔓 Insecure	View
2026-08-14 21:23:51	9038ms	3 NS 2 A 1 MX	🔓 Insecure	View
2026-07-20 20:40:02	1161ms	3 NS 2 A 1 MX	🔓 Insecure	View
2026-06-30 10:59:47	1059ms	3 NS 2 A 1 MX	🔓 Insecure	View
2026-06-25 19:08:08	1030ms	3 NS 2 A 1 MX	🔓 Insecure	View
2026-06-19 19:35:17	10938ms	3 NS 2 A 1 MX	🔓 Insecure	View
2026-06-19 18:57:09	3197ms	3 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 10:38:10	923ms	3 NS 2 A 0 MX	🔓 Insecure	View