resoluthr.dk

Records from scan: 2026-10-09 10:28:32 · 1454ms total · last checked 2026-10-17 04:18 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

resoluthr.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 27 November 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.20.205.17 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by resoluthr-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 53ms

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 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.20.205.17	3600s	linux348.unoeuro.com	AS48854	team.blue Denmark A/S	185.20.204.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	resoluthr-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca21::a 2a01:111:f403:ca48::8 2a01:111:f403:ca48::e 52.101.103.140 52.101.181.153 52.101.68.29 52.101.91.162	mail-db9pr02cu00204.inbound.protection.outlook.com mail-maspr04cu00102.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-matpr04cu00302.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	185.20.205.17

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 149ms

TXT Record
MS=ms57785073
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.resoluthr.dk)
p=reject	v=DMARC1;p=reject;sp=reject;pct=100;adkim=s;aspf=s;rua=mailto:dmarc_agg@vali.email;fo=1

📬 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 2026-10-09 10:28:32

www	185.20.205.17 (AS48854) (address records, no CNAME)
www vs bare domain	Same network resoluthr.dk: 185.20.205.17 (AS48854) www.resoluthr.dk: 185.20.205.17 (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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

154ms

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

🏷️ SOA#

39ms

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 2026-10-03 06:25:25

Field	Value
Registrar	Simply.com A/S
Registered	2023-11-27
Expires	2026-11-26 (40d)

📋 WHOIS#

⏱️ Lookup Timing#

53ms

38ms

42ms

AAAA

35ms

TXT

149ms

CAA

31ms

HTTPS

36ms

TLSA

646ms

SOA

39ms

MTA-STS

52ms

DNSSEC

154ms

SRV

49ms

Total

1454ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 10:28:32 shown	1454ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-03 06:09:27	1422ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-28 05:18:56	991ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-17 19:57:40	760ms	3 NS 1 A 1 MX	🔒 Secure