osvald.dk

📜 Historical scan 2026-06-24 08:44:11 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

osvald.dk is a .dk domain served by 2 nameservers (ns1.aveo.dk, ns2.aveo.dk). It was registered on 29 October 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.28 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by osvald-dk.f-v1.mx.microsoft. The zone is DNSSEC-signed but currently fails validation, publishes a 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#

2 records 43ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.aveo.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.aveo.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 74ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.28	3600s	vm1413.enterprisecloud.nu	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	osvald-dk.f-v1.mx.microsoft	2a01:111:f403:ca04:: 2a01:111:f403:ca04::b 2a01:111:f403:ca04::d 2a01:111:f403:ca09::6 52.101.68.3 52.101.68.5 52.101.73.19 52.101.73.2	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-as9pr07cu00302.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	185.21.40.28

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 250ms

TXT Record
v=spf1 include:spf.smtp2go.com include:spf.protection.outlook.com include:spf.curanet.dk -all

✉️ SPF#

Policy	Record (osvald.dk)
-all (hard fail)	v=spf1 include:spf.smtp2go.com include:spf.protection.outlook.com include:spf.curanet.dk -all

📨 DMARC#

Policy	Record (_dmarc.osvald.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarcmail@osvald.dk!10m; ruf=mailto:dmarcmail@osvald.dk!10m; rf=afrf; pct=100; ri=86400

📬 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 2026-10-10 13:32:45

www	185.21.40.28 (AS48854) (address records, no CNAME)
www vs bare domain	Same network osvald.dk: 185.21.40.28 (AS48854) www.osvald.dk: 185.21.40.28 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.osvald.dk	SMHtG6AEPEQpwbEDPi3wuMLD4dCP5HAXvaLOotvyqYs

🔗 TLSA / DANE#

6 records 151ms

Service / Owner	Type	Cert association
SMTP _25._tcp.osvald-dk.f-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	5F88694615E4C61686E106B84C3338C6…
SMTP _25._tcp.osvald-dk.f-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	133086C7B822371A4A3304F1661A7880…
SMTP _25._tcp.osvald-dk.f-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	6EBFF927297A5B3AAF5EAE672252C36A…
SMTP _25._tcp.osvald-dk.f-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	A6C267923B26A4A9617EDA73D8DB4FBC…
SMTP _25._tcp.osvald-dk.f-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	C495D9E40F7E625BE22F83CC64305182…
SMTP _25._tcp.osvald-dk.f-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	38D895F5105BC2545822C17A2444F4B0…

🔐 DNSSEC#

64ms

Check	Result
Validation Status	⚠️ Bogus
AD Flag (resolver validates)	✗ Not set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	broken trust chain resolving 'osvald.dk/DS/IN': 127.0.0.1#53

🏷️ SOA#

56ms

Field	Value
Serial	2026031901
Primary NS (MNAME)	ns1.aveo.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-06 18:12:32

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1997-10-29
Expires	2026-12-31 (73d)

📋 WHOIS#

⏱️ Lookup Timing#

43ms

74ms

38ms

AAAA

43ms

TXT

250ms

CAA

37ms

HTTPS

42ms

TLSA

151ms

SOA

56ms

MTA-STS

83ms

DNSSEC

64ms

SRV

167ms

Total

944ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-07-04 14:45:43	1425ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 08:44:11 shown	944ms	2 NS 1 A 1 MX	⚠️ Bogus
2026-06-23 07:45:02	1049ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 02:45:05	4888ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 22:15:14	1163ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 19:06:45	827ms	2 NS 1 A 1 MX	🔒 Secure