groupon.dk

📜 Historical scan 2026-06-19 19:35:17 · ← 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 327ms

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 242ms

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 Records#

1 records 251ms

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

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.18.29.160
🔶 Autoconfig	104.18.28.160

🔷 AAAA Records (IPv6)#

2 records 462ms

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	—	—
2606:4700::6812:1da0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—

🔐 HTTPS Records#

1 records 247ms

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 1152ms

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#

616ms

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

🏷️ SOA#

294ms

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#

327ms

242ms

251ms

AAAA

462ms

TXT

1152ms

CAA

243ms

HTTPS

247ms

TLSA

1358ms

SOA

294ms

MTA-STS

464ms

DNSSEC

616ms

SRV

462ms

Total

10938ms

🕐 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	1030ms	3 NS 2 A 1 MX	🔓 Insecure
2026-06-19 19:35:17 shown	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