grouponmail.dk

📜 Historical scan 2026-06-22 00:55:08  ·  ← 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 registered on 25 January 2013 (WHOIS) and 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   33ms
NameserverIP addressesPTRASN / 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   58ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.18.0.52 600s — AS13335 Cloudflare, Inc. 104.16.0.0/14 — —
104.18.1.52 600s — AS13335 Cloudflare, Inc. 104.16.0.0/14 — —

📧 MX Records#

1 records   37ms
PriorityTTLMail ServerIP addressesPTRASN
0 600s .  Null MX — domain accepts no email (RFC 7505)

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover104.18.1.52
🔶 Autoconfig104.18.0.52

🔷 AAAA Records (IPv6)#

2 records   42ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700::6812:134 600s — AS13335 Cloudflare, Inc. 2606:4700:0:0:0:0:0:0/41 — —
2606:4700::6812:34 600s — AS13335 Cloudflare, Inc. 2606:4700:0:0:0:0:0:0/41 — —

🔐 HTTPS Records#

1 records   35ms
PriorityTargetSvcParams
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   185ms
TXT Record
v=spf1 -all

✉️ SPF#

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

📨 DMARC#

PolicyRecord (_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
www104.18.0.52 104.18.1.52 2606:4700::6812:134 2606:4700::6812:34 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.grouponmail.dk lE4mkjc_gk8PAE7lRkGE2ZN31_6gIQESWO44uEkB8w8
TXT _acme-challenge.grouponmail.dk u7OONqqGR7Ij7gNvJarcMIQvcKBq1dpMlKmy9dkEapk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

87ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

31ms
FieldValue
Serial2407392387
Primary NS (MNAME)blue.foundationdns.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-20 21:20:38
FieldValue
RegistrarMarkMonitor Inc.
Registered2013-01-25
Expires2027-01-31 (102d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
33ms
A
58ms
MX
37ms
AAAA
42ms
TXT
185ms
CAA
32ms
HTTPS
35ms
TLSA
77ms
SOA
31ms
MTA-STS
34ms
DNSSEC
87ms
SRV
71ms
Total
568ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 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 shown 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
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