rgs.dk DNS records

🖥️ Nameservers4 records 109ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records1 records 130ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.61.221.108	14400s	xd93ddd6c.customers.hiper-net.dk	AS203953	Hiper A/S	217.61.216.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 111ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	rgs-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca09::3 2a01:111:f403:ca09::4 2a01:111:f403:ca09::f 52.101.68.15 52.101.68.27 52.101.73.1 52.101.73.4	mail-du2pr03cu00102.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am0pr83cu00404.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 → 52.98.207.232

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 538ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records1 records 238ms

TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (rgs.dk)
-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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.rgs.dk	89HUeKLrIVMfvFPNDWL4E0EpjVlm1oqVSTc0OOCnZcY

🔗 TLSA / DANE

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

🔐 DNSSEC187ms

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

🏷️ SOA0ms

Field	Value
Serial	2026080602
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

109ms

A

130ms

MX

111ms

AAAA

118ms

TXT

238ms

CAA

84ms

HTTPS

96ms

TLSA

159ms

SOA

0ms

MTA-STS

133ms

DNSSEC

187ms

SRV

538ms

Total

1755ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-08 19:53:35	1755ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 18:49:49	4667ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 06:47:12	1179ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 12:45:20	635ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 23:32:56	1129ms	4 NS 1 A 1 MX	🔒 Secure	View