rudestrand.dk

Records from scan: 2026-10-07 17:42:26 · 1051ms total · last checked 2026-10-18 16:51 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rudestrand.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 9 March 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.20.205.28 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by rudestrand-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 32ms

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

🌍 A Records#

1 records 27ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.20.205.28	3600s	linux357.unoeuro.com	AS48854	team.blue Denmark A/S	185.20.204.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	rudestrand-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:c967::a 2a01:111:f403:ca04::a 2a01:111:f403:ca09::24 52.101.103.140 52.101.181.156 52.101.68.39 52.101.73.126	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-cpjpr05cu00102.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-wa4pr05cu00104.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am8pr83cu00106.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 → 52.98.154.136
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 52ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records#

5 records 132ms

TXT Record
_globalsign-domain-verification=vxbpB0aOyEaEBEpxEsMHjWtYmhD9CW5UZhiG2AnN4Y
8sq1ps6ksumo8h2iq8q4a0vbs6
MS=ms20051422
ubivox-site-verification=M0PJ4_ADKFO5mXZRMkkzSdu7V
v=spf1 include:spf.protection.outlook.com include:uxmail.io -all

✉️ SPF#

Policy	Record (rudestrand.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:uxmail.io -all

📨 DMARC#

Policy	Record (_dmarc.rudestrand.dk)
p=quarantine	v=DMARC1; p=quarantine; adkim=r; aspf=r; rua=mailto:security@rudestrand.dk;

📬 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#

checked 2026-10-07 17:42:26

www	185.20.205.28 (AS48854) (address records, no CNAME)
www vs bare domain	Same network rudestrand.dk: 185.20.205.28 (AS48854) www.rudestrand.dk: 185.20.205.28 (AS48854)
Wildcard	Yes: any name under the zone resolves
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

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-rudestrand-dk._domainkey.rudestrandhojskole.k-v1.dkim.mail.microsoft	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

53ms

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

🏷️ SOA#

29ms

Field	Value
Serial	2026100200
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 2026-10-02 08:09:13

Field	Value
Registrar	Simply.com A/S
Registered	2023-03-09
Expires	2027-03-08 (140d)

📋 WHOIS#

⏱️ Lookup Timing#

32ms

27ms

46ms

AAAA

32ms

TXT

132ms

CAA

31ms

HTTPS

36ms

TLSA

657ms

SOA

29ms

MTA-STS

46ms

DNSSEC

53ms

SRV

52ms

Total

1051ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 17:42:26 shown	1051ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-02 07:57:27	1079ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-30 07:44:07	665ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-27 22:37:28	1061ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-25 10:09:42	1410ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-17 14:23:49	2354ms	3 NS 1 A 1 MX	🔒 Secure