rgs.dk

📜 Historical scan 2026-06-21 12:45:20 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rgs.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 30 May 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.61.221.108 is hosted by Hiper A/S (AS203953) in Denmark. Mail is handled by rgs-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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#

4 records 45ms

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 Records#

1 records 47ms

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 Records#

1 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	rgs-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::a 2a01:111:f403:ca04::f 2a01:111:f403:ca09::3 52.101.68.10 52.101.68.12 52.101.68.25 52.101.73.4	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db8pr02cu00101.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 → 40.99.150.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 121ms

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

📝 TXT Records#

1 records 202ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-13 04:53:10

www	NXDOMAIN
www vs bare domain	www does not resolve rgs.dk: 217.61.221.108 (AS203953) www.rgs.dk: no address (all like this)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.rgs.dk	89HUeKLrIVMfvFPNDWL4E0EpjVlm1oqVSTc0OOCnZcY
TXT	_acme-challenge.rgs.dk	RJ6IasB7UYtpNHOpdLhkhfH0QBVfMOOkA0tCyDgD1Cs
TXT	_acme-challenge.rgs.dk	Rtuk2tE-lXhFwZY7MWoSjC99oNVhCwq2ajp3F9yR9Iw
TXT	_acme-challenge.rgs.dk	YydoNcoGoFRKcrFykfIqsQVlELFvf_VU_dADIa93uAk
TXT	_acme-challenge.rgs.dk	cu0mUqhaZqfXYc5jqlOcnDtU63o-NPtAUuEdYaPRVtU

🔗 TLSA / DANE#

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

🔐 DNSSEC#

105ms

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

🏷️ SOA#

48ms

Field	Value
Serial	2026052902
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-06 18:01:53

Field	Value
Registrar	Simply.com A/S
Registered	2000-05-30
Expires	2027-06-30 (252d)

📋 WHOIS#

⏱️ Lookup Timing#

45ms

47ms

AAAA

47ms

TXT

202ms

CAA

87ms

HTTPS

43ms

TLSA

141ms

SOA

48ms

MTA-STS

50ms

DNSSEC

105ms

SRV

121ms

Total

635ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 04:53:10	1400ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-06 17:33:08	952ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-01 15:29:41	1062ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-29 15:12:37	2112ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-08 19:53:35	1755ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-27 18:49:49	4667ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-22 06:47:12	1179ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 12:45:20 shown	635ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 23:32:56	1129ms	4 NS 1 A 1 MX	🔒 Secure