issk.dk

📜 Historical scan 2026-07-18 16:07:55 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

issk.dk is a .dk domain served by 5 nameservers (ns1.d-n-s.dk, ns2.d-n-s.dk, ns3.d-n-s.dk and 2 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 52.142.195.141 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by issk-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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#

5 records 554ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.d-n-s.dk	185.215.92.135	—	AS209959 Mark Weber Andersen
ns2.d-n-s.dk	185.215.92.136	—	AS209959 Mark Weber Andersen
ns3.d-n-s.dk	185.215.92.137	—	AS209959 Mark Weber Andersen
ns4.d-n-s.dk	185.215.92.138	—	AS209959 Mark Weber Andersen
ns5.d-n-s.dk	185.215.92.139	—	AS209959 Mark Weber Andersen

🌍 A Records#

1 records 524ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
52.142.195.141	3600s	web346.mwahost.com	AS8075	Microsoft Corporation	52.136.0.0/13	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

1 records 550ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	issk-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::2 2a01:111:f403:ca04::5 2a01:111:f403:ca09::3 52.101.68.0 52.101.68.36 52.101.68.39 52.101.73.8	mail-db7pr03cu00401.inbound.protection.outlook.com mail-du2pr03cu00102.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 40.104.116.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 583ms

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

📝 TXT Records#

3 records 702ms

TXT Record
DNS-Service by D-N-S.DK
MS=ms97505498
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.issk.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc@issk.dk; ruf=mailto:dmarc@issk.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#

latest probe, not this scan · checked 2026-10-08 07:42:40

www CNAME	issk.dk (all on issk.dk) → 52.142.195.141 (AS8075)
www vs bare domain	Same network issk.dk: 52.142.195.141 (AS8075) www.issk.dk: 52.142.195.141 (AS8075)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

9063ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

24ms

Field	Value
Serial	2025030400
Primary NS (MNAME)	ns1.d-n-s.dk
Responsible (RNAME)	hostmaster@d-n-s.dk
Refresh	7200s
Retry	120s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

554ms

524ms

550ms

AAAA

549ms

TXT

702ms

CAA

547ms

HTTPS

544ms

TLSA

183ms

SOA

24ms

MTA-STS

553ms

DNSSEC

9063ms

SRV

583ms

Total

24858ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 07:42:40	19314ms	5 NS 1 A 1 MX	🔓 Insecure
2026-10-07 07:39:53	21299ms	5 NS 0 A 1 MX	❓ Unknown
2026-10-01 04:51:39	1058ms	5 NS 1 A 1 MX	🔓 Insecure
2026-09-25 09:06:41	7285ms	5 NS 1 A 1 MX	🔓 Insecure
2026-08-27 09:51:03	5112ms	5 NS 1 A 1 MX	🔓 Insecure
2026-08-25 23:38:47	12356ms	5 NS 1 A 1 MX	🔓 Insecure
2026-07-29 11:13:47	16753ms	5 NS 1 A 1 MX	🔓 Insecure
2026-07-22 18:29:22	18833ms	5 NS 1 A 1 MX	🔓 Insecure
2026-07-18 16:07:55 shown	24858ms	5 NS 1 A 1 MX	🔓 Insecure
2026-07-10 00:16:17	10507ms	5 NS 1 A 1 MX	🔓 Insecure
2026-06-25 12:47:27	2558ms	5 NS 1 A 1 MX	🔓 Insecure
2026-06-23 20:14:33	899ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 23:24:36	4778ms	5 NS 1 A 1 MX	🔓 Insecure