blisudl.dk

📜 Historical scan 2026-10-20 21:10:18 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

blisudl.dk is a .dk domain served by 3 nameservers (ns4.hostonline.dk, ns5.hostonline.dk, ns6.hostonline.dk). It was registered on 25 September 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.195.185.213 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by blisudl-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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 104ms

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 84ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.195.185.213	3600s	webhotel05.hostonline.dk	AS31027	GlobalConnect A/S	217.195.176.0/20	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 79ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	blisudl-dk.mail.protection.outlook.com	2a01:111:f403:ca21::e 2a01:111:f403:ca38::a 2a01:111:f403:ca3c::a 2a01:111:f403:ca48::c 52.101.185.21 52.101.68.27 52.101.68.39 52.101.91.159	mail-matpr04cu00306.inbound.protection.outlook.com mail-wa4pr05cu00102.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-matpr04cu00207.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 → 52.98.149.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 138ms

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

📝 TXT Records#

1 records 303ms

TXT Record
v=spf1 a mx include:spf.protection.outlook.com include:_spf.hostonline.dk -all

✉️ SPF#

Policy	Record (blisudl.dk)
-all (hard fail)	v=spf1 a mx include:spf.protection.outlook.com include:_spf.hostonline.dk -all

📨 DMARC#

Policy	Record (_dmarc.blisudl.dk)
p=reject	v=DMARC1; p=reject; aspf=r;

📬 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 2026-10-24 14:46:24

www CNAME	blisudl.dk (all on blisudl.dk) → 217.195.185.213 (AS31027)
www vs bare domain	Same network blisudl.dk: 217.195.185.213 (AS31027) www.blisudl.dk: 217.195.185.213 (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: 7/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

227ms

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

🏷️ SOA#

66ms

Field	Value
Serial	2026102002
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 2026-10-16 18:18:26

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2017-09-25
Expires	2027-09-30 (340d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

104ms

84ms

79ms

AAAA

85ms

TXT

303ms

CAA

92ms

HTTPS

125ms

TLSA

770ms

SOA

66ms

MTA-STS

154ms

DNSSEC

227ms

SRV

138ms

Total

2336ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-24 14:46:23	1085ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-20 21:10:18 shown	2336ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-19 16:27:54	1195ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-15 13:05:32	1234ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-10 07:46:36	2063ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-06 01:37:24	2754ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-01 01:05:30	2362ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-25 23:39:03	3354ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-22 03:03:34	1251ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-17 18:17:15	3148ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-11 09:21:02	2150ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-05 18:00:30	4189ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-04 03:17:46	912ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-26 09:12:46	2867ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-21 06:22:32	9526ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-16 03:45:49	1598ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-12 00:46:57	9975ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-06 13:45:36	1424ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-27 22:57:45	17203ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-22 19:51:06	25171ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-18 08:11:15	3229ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-14 06:22:02	1849ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-08 13:28:46	56948ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-03 11:44:09	1331ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-28 04:35:02	1626ms	3 NS 1 A 1 MX	🔒 Secure