grouponmail.dk DNS records

🖥️ Nameservers3 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 Records2 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 Records1 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 Records1 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 Records1 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

🔗 TLSA / DANE

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

🔐 DNSSEC109ms

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	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 — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

59ms

A

52ms

MX

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
2026-08-27 09:17:35	854ms	3 NS 2 A 1 MX	🔓 Insecure	View
2026-07-28 12:23:20	2930ms	3 NS 2 A 1 MX	🔓 Insecure	View
2026-07-22 01:57:58	10005ms	3 NS 2 A 1 MX	🔓 Insecure	View
2026-07-20 18:27:56	1069ms	3 NS 2 A 1 MX	🔓 Insecure	View
2026-07-01 16:25:20	993ms	3 NS 2 A 1 MX	🔓 Insecure	View
2026-06-22 13:50:56	1102ms	3 NS 2 A 0 MX	🔓 Insecure	View
2026-06-22 13:25:00	1597ms	3 NS 2 A 1 MX	🔓 Insecure	View
2026-06-22 07:41:16	792ms	3 NS 2 A 1 MX	🔓 Insecure	View
2026-06-22 00:55:08	568ms	3 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 10:42:46	781ms	3 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 10:38:27	924ms	3 NS 2 A 0 MX	🔓 Insecure	View