sit.dk

📜 Historical scan 2026-09-25 23:23:19 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sit.dk is a .dk domain served by 3 nameservers (ns01.hosit.dk, ns02.hosit.dk, ns03.hosit.dk). It 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 mx10.check4spam.dk, mx30.check4spam.dk. 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#

3 records 37ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.hosit.dk	193.104.202.31	ns01.hosit.dk	AS50346 It Forum Gruppen A/s
ns02.hosit.dk	87.116.23.114	ns02.hosit.dk	AS31027 GlobalConnect A/S
ns03.hosit.dk	152.115.55.201	ns04.hosit.dk	AS31027 GlobalConnect A/S

🌍 A Records#

1 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.42.106	60s	prolinux5.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

2 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	86400s	mx10.check4spam.dk	149.13.75.27 2001:978:2:7::162:100	fe1-r3-in.fra02.l.antispamcloud.com fe1-r3-in.fra02.l.antispamcloud.com	AS16633 N-able Technologies, Inc. AS174 Cogent Communications, LLC
10	86400s	mx30.check4spam.dk	154.59.104.23 2001:978:2:2c::137:100	fe2-r3-in.ams14.l.antispamcloud.com fe2-r3-in.ams14.l.antispamcloud.com	AS174 Cogent Communications, LLC AS174 Cogent Communications, LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover-redirect.hosit.dk → 193.104.202.113

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 64ms

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

📝 TXT Records#

4 records 172ms

TXT Record
google-site-verification=LrXwC0JXYPVaadWSUFt61NHggAicpF6PLNfRjpXTit8
google-site-verification=xuFSceA0YNCsouFH8ty3tWw97sFjpJFkiqf_cpAauI8
MS=ms94441929
v=spf1 include:spf.hosit.dk include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.sit.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:cuxnlidd@ag.eu.dmarcadvisor.com; adkim=s; aspf=s;

📬 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 2026-10-09 09:56:27

www CNAME	sit.dk (all on sit.dk) → 185.21.42.106 (AS48854)
www vs bare domain	Same network sit.dk: 185.21.42.106 (AS48854) www.sit.dk: 185.21.42.106 (AS48854)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

73ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026061302
Primary NS (MNAME)	ns01.hosit.dk
Responsible (RNAME)	support@sit.dk
Refresh	28800s
Retry	7200s
Expire	1814400s
Minimum (neg-cache TTL)	86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

37ms

43ms

34ms

AAAA

41ms

TXT

172ms

CAA

33ms

HTTPS

38ms

TLSA

115ms

SOA

0ms

MTA-STS

57ms

DNSSEC

73ms

SRV

64ms

Total

596ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 02:05:36	566ms	3 NS 1 A 2 MX	🔓 Insecure
2026-09-25 23:23:19 shown	596ms	3 NS 1 A 2 MX	🔓 Insecure
2026-08-27 17:48:27	822ms	3 NS 1 A 2 MX	🔓 Insecure
2026-06-20 06:25:53	928ms	3 NS 1 A 2 MX	🔓 Insecure
2026-06-17 23:09:07	848ms	3 NS 1 A 2 MX	🔓 Insecure