grouponmail.dk

📜 Historical scan 2026-08-27 09:17:35 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

grouponmail.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 104.18.0.52 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 59ms

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 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.18.0.52	300s	—	AS13335	Cloudflare, Inc.	104.16.0.0/14	—	—
104.18.1.52	300s	—	AS13335	Cloudflare, Inc.	104.16.0.0/14	—	—

📧 MX Records#

1 records 63ms

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

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.18.1.52
🔶 Autoconfig	104.18.1.52

🔷 AAAA Records (IPv6)#

2 records 47ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700::6812:134	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	🇺🇸 United States	—
2606:4700::6812:34	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	🇺🇸 United States	—

🔐 HTTPS Records#

1 records 43ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.18.0.52,104.18.1.52 ipv6hint=2606:4700::6812:34,2606:4700::6812:134

📝 TXT Records#

1 records 268ms

TXT Record
v=spf1 -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.grouponmail.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 2026-10-12 00:59:15

www	104.18.0.52 104.18.1.52 2606:4700::6812:134 2606:4700::6812:34 (AS13335) (address records, no CNAME)
www vs bare domain	Same network grouponmail.dk: 104.18.0.52 104.18.1.52 2606:4700::6812:134 2606:4700::6812:34 (AS13335) www.grouponmail.dk: 104.18.0.52 104.18.1.52 2606:4700::6812:134 2606:4700::6812:34 (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#

109ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2410699178
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#

59ms

52ms

63ms

AAAA

47ms

TXT

268ms

CAA

64ms

HTTPS

43ms

TLSA

67ms

SOA

0ms

MTA-STS

86ms

DNSSEC

109ms

SRV

94ms

Total

854ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-28 08:28:24	646ms	3 NS 2 A 1 MX	🔓 Insecure
2026-09-27 02:50:22	630ms	3 NS 2 A 1 MX	🔓 Insecure
2026-09-26 02:35:23	704ms	3 NS 2 A 1 MX	🔓 Insecure
2026-09-20 10:43:53	678ms	3 NS 2 A 1 MX	🔓 Insecure
2026-08-27 09:17:35 shown	854ms	3 NS 2 A 1 MX	🔓 Insecure
2026-07-28 12:23:20	2930ms	3 NS 2 A 1 MX	🔓 Insecure
2026-07-22 01:57:58	10005ms	3 NS 2 A 1 MX	🔓 Insecure
2026-07-20 18:27:56	1069ms	3 NS 2 A 1 MX	🔓 Insecure
2026-07-01 16:25:20	993ms	3 NS 2 A 1 MX	🔓 Insecure
2026-06-22 13:50:56	1102ms	3 NS 2 A 0 MX	🔓 Insecure
2026-06-22 13:25:00	1597ms	3 NS 2 A 1 MX	🔓 Insecure
2026-06-22 07:41:16	792ms	3 NS 2 A 1 MX	🔓 Insecure
2026-06-22 00:55:08	568ms	3 NS 2 A 1 MX	🔓 Insecure
2026-06-17 10:42:46	781ms	3 NS 2 A 0 MX	🔓 Insecure
2026-06-17 10:38:27	924ms	3 NS 2 A 0 MX	🔓 Insecure