management4u.dk

📜 Historical scan 2026-08-03 23:15:21 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

management4u.dk is a .dk domain served by 3 nameservers (ns4.hostonline.dk, ns5.hostonline.dk, ns6.hostonline.dk). It was registered on 11 January 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.195.185.220 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by mx01.dandomain.dk. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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#

3 records 61ms

Nameserver	IP addresses	PTR	ASN / ISP
ns4.hostonline.dk	217.195.185.243 2a02:188:6004:14::10	ns4.hostonline.dk ns4.hostonline.dk	AS31027 GlobalConnect A/S AS31027 GlobalConnect A/S
ns5.hostonline.dk	217.195.185.244 2a02:188:6004:14::11	ns5.hostonline.dk ns5.hostonline.dk	AS31027 GlobalConnect A/S AS31027 GlobalConnect A/S
ns6.hostonline.dk	85.191.126.85	ns6.hostonline.dk	AS204274 AURA Fiber A/S

🌍 A Records#

1 records 76ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.195.185.220	3600s	webhotel12.hostonline.dk	AS31027	GlobalConnect A/S	217.195.176.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 75ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx01.dandomain.dk	212.237.249.50	mx1.dandomain.dk	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscoverredirect.hostonline.dk → 217.195.185.209

🔷 AAAA Records (IPv6)#

1 records 75ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:188:6004:10::28	3600s	webhotel12.hostonline.dk	AS31027	GlobalConnect A/S	2a02:188:0:0:0:0:0:0/30	🇩🇰 Denmark	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 498ms

TXT Record
v=spf1 include:_spf.hostonline.dk -all

✉️ SPF#

Policy	Record (management4u.dk)
-all (hard fail)	v=spf1 include:_spf.hostonline.dk -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 2026-10-14 21:12:24

www CNAME	management4u.dk (all on management4u.dk) → 217.195.185.220 2a02:188:6004:10::28 (AS31027)
www vs bare domain	Same network management4u.dk: 217.195.185.220 2a02:188:6004:10::28 (AS31027) www.management4u.dk: 217.195.185.220 2a02:188:6004:10::28 (AS31027)
Wildcard	No
Denial of existence	NSEC3 · 10 iterations · 8-byte salt · opt-out RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

182ms

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

🏷️ SOA#

59ms

Field	Value
Serial	2026073102
Primary NS (MNAME)	ns4.hostonline.dk
Responsible (RNAME)	hostmaster@hostonline.dk
Refresh	86400s
Retry	7200s
Expire	3600000s
Minimum (neg-cache TTL)	172800s

📋 Registration#

WHOIS fetched 2026-10-05 08:20:27

Field	Value
Registrar	TS COMPUTER ApS
Registered	2011-01-11
Expires	2027-01-31 (104d)

📋 WHOIS#

⏱️ Lookup Timing#

61ms

76ms

75ms

AAAA

75ms

TXT

498ms

CAA

101ms

HTTPS

121ms

TLSA

110ms

SOA

59ms

MTA-STS

60ms

DNSSEC

182ms

SRV

161ms

Total

17364ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 21:12:24	3484ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-09 05:19:26	1997ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-04 04:06:49	387ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-30 03:50:19	911ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-25 01:59:58	3311ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-21 00:45:54	1352ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-11 13:41:53	1484ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-04 09:50:07	3234ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-30 07:01:58	1246ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-28 01:29:37	781ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-26 12:00:14	1739ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-20 20:35:02	4426ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-15 13:39:58	960ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-11 02:52:21	10969ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-10 01:43:58	3303ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-03 23:15:21 shown	17364ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-01 02:54:52	2804ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-26 20:09:08	945ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-21 13:28:16	766ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-17 18:59:57	8914ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-11 22:55:26	9654ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-06 21:06:03	2474ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-03 12:19:16	623ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-23 05:33:29	516ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 03:13:47	634ms	2 NS 1 A 1 MX	🔒 Secure