groupon.dk

📜 Historical scan 2026-06-25 19:08:08 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

groupon.dk is a .dk domain served by 3 nameservers (blue.foundationdns.com, blue.foundationdns.net, blue.foundationdns.org). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.18.28.160 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by .. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 45ms

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 Records#

2 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.18.28.160	600s	—	AS13335	Cloudflare, Inc.	104.16.0.0/14	—	—
104.18.29.160	600s	—	AS13335	Cloudflare, Inc.	104.16.0.0/14	—	—

📧 MX Records#

1 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	. Null MX — domain accepts no email (RFC 7505)

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.18.29.160
🔶 Autoconfig	104.18.28.160

🔷 AAAA Records (IPv6)#

2 records 66ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700::6812:1ca0	600s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—
2606:4700::6812:1da0	600s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—

🔐 HTTPS Records#

1 records 48ms

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 Records#

1 records 186ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-13 03:17:11

www	104.18.28.160 104.18.29.160 2606:4700::6812:1ca0 2606:4700::6812:1da0 (AS13335) (address records, no CNAME)
www vs bare domain	Same network groupon.dk: 104.18.28.160 104.18.29.160 2606:4700::6812:1ca0 2606:4700::6812:1da0 (AS13335) www.groupon.dk: 104.18.28.160 104.18.29.160 2606:4700::6812:1ca0 2606:4700::6812:1da0 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

104ms

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

🏷️ SOA#

32ms

Field	Value
Serial	2406764769
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 yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

45ms

34ms

51ms

AAAA

66ms

TXT

186ms

CAA

22ms

HTTPS

48ms

TLSA

92ms

SOA

32ms

MTA-STS

27ms

DNSSEC

104ms

SRV

85ms

Total

1030ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 03:17:10	2550ms	3 NS 2 A 1 MX	🔓 Insecure
2026-09-18 08:34:10	822ms	3 NS 2 A 1 MX	🔓 Insecure
2026-09-15 17:15:04	2451ms	3 NS 2 A 1 MX	🔓 Insecure
2026-09-06 09:36:54	653ms	3 NS 2 A 1 MX	🔓 Insecure
2026-08-27 06:39:06	624ms	3 NS 2 A 1 MX	🔓 Insecure
2026-08-14 21:23:51	9038ms	3 NS 2 A 1 MX	🔓 Insecure
2026-07-20 20:40:02	1161ms	3 NS 2 A 1 MX	🔓 Insecure
2026-06-30 10:59:47	1059ms	3 NS 2 A 1 MX	🔓 Insecure
2026-06-25 19:08:08 shown	1030ms	3 NS 2 A 1 MX	🔓 Insecure
2026-06-19 19:35:17	10938ms	3 NS 2 A 1 MX	🔓 Insecure
2026-06-19 18:57:09	3197ms	3 NS 2 A 1 MX	🔓 Insecure
2026-06-17 10:38:10	923ms	3 NS 2 A 0 MX	🔓 Insecure