r2groupholding.dk DNS records

🖥️ Nameservers2 records 330ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 406ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.135	3600s	webcluster8.webpod11-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 319ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	r2groupholding-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca04::b 2a01:111:f403:ca09::7 2a01:111:f403:ca09::f 52.101.68.0 52.101.68.32 52.101.73.12 52.101.73.2	mail-du0pr03cu00102.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 1326ms

TXT Record
MS=ms91487546
v=spf1 include:spf.protection.outlook.com include:spf.myhosting.dk -all

✉️ SPF

Policy	Record (r2groupholding.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.myhosting.dk -all

📨 DMARC

Policy	Record (_dmarc.r2groupholding.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc_agg@vali.email

📬 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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.r2groupholding.dk	r2groupholding.dk.acme.service.one.com

🔗 TLSA / DANE

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

🔐 DNSSEC2298ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA381ms

Field	Value
Serial	2025032701
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

330ms

A

406ms

MX

319ms

AAAA

361ms

TXT

1326ms

CAA

317ms

HTTPS

293ms

TLSA

1073ms

SOA

381ms

MTA-STS

485ms

DNSSEC

2298ms

SRV

509ms

Total

9979ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-04 11:44:01	9979ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 22:04:54	833ms	2 NS 1 A 1 MX	⚠️ Bogus	View
2026-06-19 12:50:48	1068ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 03:17:53	1098ms	2 NS 1 A 1 MX	🔒 Secure	View