h-administration.dk

📜 Historical scan 2026-06-26 17:55:06 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

h-administration.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 20 December 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.42.106 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by hadministration-dk0c.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#

2 records 35ms

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 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.42.106	3600s	prolinux5.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 63ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	hadministration-dk0c.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca09::5 2a01:111:f403:ca09::c 2a01:111:f403:ca09::e 52.101.68.21 52.101.68.39 52.101.73.1 52.101.73.2	mail-du0pr03cu00102.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am3pr04cu00501.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 → 40.104.116.8

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 77ms

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

📝 TXT Records#

2 records 124ms

TXT Record
MS=ms82243586
v=spf1 ip4:82.163.161.240 ip4:82.163.160.196 ip4:213.237.51.217 include:spf.protection.outlook.com include:spf.onlinemail.io include:web.shared.mysmtp.com -all

✉️ SPF#

Policy	Record (h-administration.dk)
-all (hard fail)	v=spf1 ip4:82.163.161.240 ip4:82.163.160.196 ip4:213.237.51.217 include:spf.protection.outlook.com include:spf.onlinemail.io include:web.shared.mysmtp.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 2026-10-08 23:21:09

www	185.21.41.135 (AS48854) (address records, no CNAME)
www vs bare domain	Same network h-administration.dk: 185.21.41.135 (AS48854) www.h-administration.dk: 185.21.41.135 (AS48854)
Wildcard	No
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: 8/10 · policy: -all

warn 8 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

149ms

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

🏷️ SOA#

34ms

Field	Value
Serial	2025051201
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 2026-10-17 21:23:30

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2017-12-20
Expires	2026-12-31 (74d)

🔗 Same registrant#

2 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
bg-admin.dk	ONE.COM A/S
h-invest.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

36ms

63ms

AAAA

35ms

TXT

124ms

CAA

34ms

HTTPS

50ms

TLSA

244ms

SOA

34ms

MTA-STS

81ms

DNSSEC

149ms

SRV

77ms

Total

727ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 23:21:09	1389ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 21:13:21	778ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 18:59:21	1138ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 17:55:06 shown	727ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 09:47:32	1197ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 16:41:59	1932ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 09:59:31	1880ms	2 NS 1 A 1 MX	🔒 Secure