ithuset.dk

Records from scan: 2026-09-30 18:44:58 · 936ms total · last checked 2026-10-16 12:40 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ithuset.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 27 January 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.19 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by ithuset-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#

2 records 33ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.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.curanet.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 23ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.19	3600s	linux12.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	ithuset-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::9 2a01:111:f403:ca09::20 2a01:111:f403:ca48::10 52.101.103.140 52.101.103.36 52.101.185.21 52.101.91.21	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-miypr05cu00104.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-matpr05cu00105.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 → 52.98.149.152
🔶 Autoconfig	185.21.40.19

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 138ms

TXT Record
apple-domain-verification=GKuhpzlKERgmEffG
v=spf1 include:spf.mailjet.com ip4:89.221.162.141 ip4:93.176.79.75 ip4:92.62.195.66 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (ithuset.dk)
-all (hard fail)	v=spf1 include:spf.mailjet.com ip4:89.221.162.141 ip4:93.176.79.75 ip4:92.62.195.66 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.ithuset.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc@ithuset.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 2026-10-10 00:02:04

www	185.21.40.19 (AS48854) (address records, no CNAME)
www vs bare domain	Same network ithuset.dk: 185.21.40.19 (AS48854) www.ithuset.dk: 185.21.40.19 (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

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-ithuset-dk._domainkey.jaydk20002890.onmicrosoft.com	RSA · ~2048 bit
selector2	selector2-ithuset-dk._domainkey.jaydk20002890.onmicrosoft.com	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#

72ms

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

🏷️ SOA#

28ms

Field	Value
Serial	2026020601
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-07 06:29:24

Field	Value
Registrar	CURANET A/S
Registered	1998-01-27
Expires	2027-03-31 (165d)

📋 WHOIS#

⏱️ Lookup Timing#

33ms

23ms

29ms

AAAA

37ms

TXT

138ms

CAA

37ms

HTTPS

26ms

TLSA

363ms

SOA

28ms

MTA-STS

34ms

DNSSEC

72ms

SRV

55ms

Total

936ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 18:44:58 shown	936ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 09:29:25	852ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 10:16:33	1289ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 14:00:17	3608ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 22:51:28	1164ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 03:35:38	2748ms	2 NS 1 A 1 MX	🔒 Secure