techcircle.dk

📜 Historical scan 2026-09-28 17:19:37 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

techcircle.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 14 February 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.63.97.17 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by techcircle-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#

3 records 27ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.63.97.17	3600s	—	AS3292	TDC Holding A/S	87.62.0.0/15	🇩🇰 Denmark	—

📧 MX Records#

1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	techcircle-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca38::8 2a01:111:f403:ca48::10 2a01:111:f403:ca48::c 52.101.103.143 52.101.103.162 52.101.185.114 52.101.68.39	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-miypr03cu00202.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-db7pr03cu00607.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 → 52.98.154.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 135ms

TXT Record
google-site-verification=m-NyXa57F8peeT_Q3e2YpeaLUgXX92_xXx7QOm4Eyq8
MS=ms10745100
v=spf1 include:7783119.spf01.hubspotemail.net include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (techcircle.dk)
-all (hard fail)	v=spf1 include:7783119.spf01.hubspotemail.net include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.techcircle.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-13 11:44:48

www	37.49.142.141 (AS31027) (address records, no CNAME)
www vs bare domain	Different networks techcircle.dk: 87.63.97.17 (AS3292) www.techcircle.dk: 37.49.142.141 (AS31027) (all like this)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 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#

123ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026092800
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-03 18:33:41

Field	Value
Registrar	Simply.com A/S
Registered	2023-02-14
Expires	2027-02-13 (119d)

📋 WHOIS#

⏱️ Lookup Timing#

27ms

32ms

35ms

AAAA

37ms

TXT

135ms

CAA

21ms

HTTPS

29ms

TLSA

1039ms

SOA

0ms

MTA-STS

49ms

DNSSEC

123ms

SRV

46ms

Total

1654ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 11:44:48	1178ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-03 17:51:52	1219ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-28 17:19:37 shown	1654ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-25 16:34:54	649ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-15 02:40:59	880ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-09 14:46:18	1328ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-17 16:31:38	844ms	3 NS 1 A 1 MX	🔓 Insecure