reolgruppen.dk DNS records

🖥️ Nameservers2 records 69ms

Nameserver	IP addresses	PTR	ASN / ISP
rudy.ns.cloudflare.com	108.162.193.229 172.64.33.229 173.245.59.229 2606:4700:58::adf5:3be5 2803:f800:50::6ca2:c1e5 2a06:98c1:50::ac40:21e5	rudy.ns.cloudflare.com rudy.ns.cloudflare.com rudy.ns.cloudflare.com rudy.ns.cloudflare.com rudy.ns.cloudflare.com rudy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
tessa.ns.cloudflare.com	108.162.194.229 162.159.38.229 172.64.34.229 2606:4700:50::a29f:26e5 2803:f800:50::6ca2:c2e5 2a06:98c1:50::ac40:22e5	tessa.ns.cloudflare.com tessa.ns.cloudflare.com tessa.ns.cloudflare.com tessa.ns.cloudflare.com tessa.ns.cloudflare.com tessa.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.99	300s	linux7.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	reolgruppen-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::8 2a01:111:f403:ca04::c 2a01:111:f403:ca09::6 52.101.68.10 52.101.68.25 52.101.73.16 52.101.73.28	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00204.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 → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 230ms

TXT Record
MS=ms96719673
v=spf1 include:mailgun.org ~all
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (reolgruppen.dk)
~all (soft fail)	v=spf1 include:mailgun.org ~all
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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)

🔐 DNSSEC100ms

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

🏷️ SOA0ms

Field	Value
Serial	2411499942
Primary NS (MNAME)	rudy.ns.cloudflare.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

69ms

A

44ms

MX

42ms

AAAA

47ms

TXT

230ms

CAA

56ms

HTTPS

32ms

TLSA

368ms

SOA

0ms

MTA-STS

76ms

DNSSEC

100ms

SRV

91ms

Total

1018ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 23:12:15	1018ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-08 00:29:05	2184ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-16 04:58:50	1095ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-15 02:10:11	1617ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-20 05:19:08	867ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 14:42:33	997ms	2 NS 1 A 1 MX	🔓 Insecure	View