issk.dk

Records from scan: 2026-10-08 07:42:40 · 19314ms total · last checked 2026-10-16 16:20 (unchanged)

⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

5 records 284ms

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 291ms

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 298ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	issk-dk.mail.protection.outlook.com	2a01:111:f403:ca04::d 2a01:111:f403:ca09::20 2a01:111:f403:ca48::8 2a01:111:f403:ca48::c 52.101.181.153 52.101.181.156 52.101.68.21 52.101.73.153	mail-db6pr03cu00105.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-wa4pr05cu00104.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-as8pr05cu00401.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 → 40.104.116.56

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 342ms

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

📝 TXT Records#

3 records 783ms

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#

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#

365ms

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

🏷️ SOA#

1302ms

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#

284ms

291ms

298ms

AAAA

308ms

TXT

783ms

CAA

297ms

HTTPS

283ms

TLSA

651ms

SOA

1302ms

MTA-STS

307ms

DNSSEC

365ms

SRV

342ms

Total

19314ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 07:42:40 shown	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	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