sg-tech.dk

📜 Historical scan 2026-06-26 11:04:48 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sg-tech.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 26 March 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.155.3 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.onlinemail.io, mx2.onlinemail.io. The zone is DNSSEC-signed and validates, has no 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#

2 records 354ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 211ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.155.3	3600s	vm1488.enterprisecloud.nu	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

2 records 247ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.onlinemail.io	185.21.42.12	mx1.onlinemail.io	AS48854 team.blue Denmark A/S
20	3600s	mx2.onlinemail.io	46.36.208.16	mx2.onlinemail.io	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover-mf.onlinemail.io → 185.21.40.62
🔶 Autoconfig	autoconfig-mf.onlinemail.io → 185.21.40.62

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 580ms

TXT Record
v=spf1 a include:spf.curanet.dk ~all

✉️ SPF#

Policy	Record (sg-tech.dk)
~all (soft fail)	v=spf1 a include:spf.curanet.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 2026-10-12 10:33:00

www	93.191.155.3 (AS48854) (address records, no CNAME)
www vs bare domain	Same network sg-tech.dk: 93.191.155.3 (AS48854) www.sg-tech.dk: 93.191.155.3 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt 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#

333ms

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

🏷️ SOA#

238ms

Field	Value
Serial	2021111701
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-11 01:35:38

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2004-03-26
Expires	2027-03-31 (164d)

📋 WHOIS#

⏱️ Lookup Timing#

354ms

211ms

247ms

AAAA

227ms

TXT

580ms

CAA

214ms

HTTPS

215ms

TLSA

156ms

SOA

238ms

MTA-STS

247ms

DNSSEC

333ms

SRV

256ms

Total

1341ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-08-26 16:53:52	574ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-26 11:04:48 shown	1341ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-26 03:22:24	583ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 11:45:33	1046ms	2 NS 1 A 2 MX	🔒 Secure